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Satsuma Pharmaceuticals, Inc. - Quarter Report: 2023 March (Form 10-Q)

10-Q

 

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

 

FORM 10-Q

 

(Mark One)

QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2023

OR

TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from _____________ to ____________

Commission File Number: 001-39041

 

Satsuma Pharmaceuticals, Inc.

(Exact Name of Registrant as Specified in its Charter)

 

 

Delaware

81-3039831

(State or other jurisdiction of

incorporation or organization)

(I.R.S. Employer
Identification No.)

4819 Emperor Boulevard, Suite 340

Durham, NC

27703

(Address of principal executive offices)

(Zip Code)

 

Registrant’s telephone number, including area code: (650) 410-3200

 

Securities registered pursuant to Section 12(b) of the Act:

 

Title of each class

 

Trading

Symbol(s)

 

Name of each exchange on which registered

Common stock, par value $0.0001

 

STSA

 

Nasdaq Global Market

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes No

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

 

Large accelerated filer

Accelerated filer

 

 

 

 

Non-accelerated filer

Smaller reporting company

 

 

 

 

 

 

 

 

 

 

 

Emerging growth company

 

 

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes No

As of May 8, 2023, the registrant had 33,152,498 shares of common stock, $0.0001 par value per share, outstanding.

 

 

 


FORWARD-LOOKING STATEMENTS

This Quarterly Report on Form 10-Q contains forward-looking statements. We intend such forward-looking statements to be covered by the safe harbor provisions for forward-looking statements contained in Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. Any statements contained in this Quarterly Report on Form 10-Q that are not statements of historical facts may be deemed to be forward-looking statements. In some cases, you can identify forward-looking statements by terminology such as “aim,” “anticipate,” “assume,” “believe,” “contemplate,” “continue,” “could,” “due,” “estimate,” “expect,” “goal,” “intend,” “may,” “objective,” “plan,” “predict,” “potential,” “positioned,” “seek,” “should,” “target,” “will,” “would,” and other similar expressions that are predictions of or indicate future events and future trends, or the negative of these terms or other comparable terminology. These forward-looking statements include, but are not limited to, statements about:

the implementation of our strategic plans for our business and STS101, including our reduction in force and any changes to senior management;
our expectations related to the Merger Agreement, including our ability to complete the pending transaction as contemplated by the Merger Agreement, the parties’ ability to satisfy the conditions to the consummation of the Offer and the other conditions set forth in the Merger Agreement, the expected timetable for completing the transaction, and the potential benefits of the transaction for the Company;
our intentions and our ability to conclude the Offer and Merger, as announced on April 16, 2023, with SNBL whereby SNBL will acquire Satsuma and assume responsibility for completing development of and commercializing STS101;
the timing or likelihood of the acceptance and the approval of our STS101 New Drug Application (NDA) by the United States Food and Drug Administration (FDA);
expectations with regard to the data to be derived from our completed clinical trials and timing of expected data announcements;
expectations regarding the potential market size and size of the potential patient populations for STS101, if approved for commercial use;
commercialization, marketing and manufacturing plans and expectations;
the pricing and reimbursement of STS101, if approved;
the scope of protection we are able to establish and maintain for intellectual property rights covering STS101, including the projected terms of patent protection;
estimates of our expenses, future revenue, capital requirements, our needs for additional financing and our ability to obtain additional capital;
our future financial performance; and
developments and projections relating to our competitors and our industry, including competing therapies and procedures.

These forward-looking statements are based on management’s current expectations, estimates, forecasts and projections about our business and the industry in which we operate and management’s beliefs and assumptions and are not guarantees of future performance or development and involve known and unknown risks, uncertainties and other factors that are in some cases beyond our control. As a result, any or all of our forward-looking statements in this Quarterly Report on Form 10-Q may turn out to be inaccurate and you should not rely upon forward-looking statements as predictions of future events. Factors that may cause actual results to differ materially from current expectations include, among other things, those listed under the section of this Quarterly Report on Form 10-Q titled “Risk Factors” and elsewhere in this Quarterly Report on Form 10-Q. Moreover, we operate in a very competitive and rapidly changing environment. New risks emerge from time to time and it is not possible for our management to predict all risks, nor can we assess the impact of all factors on our business or the extent to which any factor, or combination of factors, may cause actual results to differ materially from those contained in any forward-looking statements we may make. These forward-looking statements speak only as of the date of this Form Quarterly Report on 10-Q. Except as required by law, we assume no obligation to update or revise these forward-looking statements for any reason, even if new information becomes available in the future. You should, however, review the factors and risks we describe in the reports we will file from time to time with the SEC after the date of this Quarterly Report on Form 10-Q.

 

 

i


SUMMARY OF MATERIAL RISKS ASSOCIATED WITH OUR BUSINESS

 

Below is a summary of the principal factors that make an investment in our common stock speculative or risky. This summary does not address all of the risks that we face. Additional discussion of the risks summarized in this risk factor summary, and other risks that we face, can be found below under the heading “Risk Factors” and should be carefully considered, together with other information in this Quarterly Report on Form 10-Q and our other filings with the Securities and Exchange Commission (SEC) before making investment decisions regarding our common stock.

The Offer and Merger are subject to a number of conditions beyond our control. Failure to complete the Offer and the Merger within the expected time frame, or at all, could have a material adverse effect on our business, operating results, financial condition and our share price.
We do not plan to independently commercialize STS101 in the event that our STS101 new drug application (NDA), which we submitted to the FDA in March 2023, is approved. If we are unable to timely complete the Offer and Merger we would likely terminate development of STS101, withdraw our NDA and pursue other strategic alternatives, such as dissolution and wind-down. Moreover, we have incurred significant losses since our inception, and we anticipate that we will continue to incur significant losses for the foreseeable future, which, together with our limited operating history, make it difficult to assess our prospects.
We would require substantial additional financing to continue operations. We do not plan to raise additional financing as we believe it is unlikely that we would be able to raise substantial additional funds on favorable terms. If we are unable to timely complete the Offer and Merger on favorable terms we will likely be forced to terminate development of STS101, withdraw our NDA and pursue other strategic alternatives, such as dissolution and wind-down.
Our financial condition raises substantial doubt as to our ability to continue as a going concern.
There can be no assurance that we can timely complete the Offer and Merger, or any other transaction, prior to exhausting our financial resources or that the terms of any such other transaction will be favorable.
The terms of the Merger Agreement and CVR Agreement provide that significant payments to our stockholders are contingent upon the monetization of STS101 and/or achievement of certain milestones. The failure of STS101 to achieve any such milestones, and any failure to receive such payments, would have a material adverse impact on the consideration ultimately received by our stockholders.
We, or SNBL, may fail to timely obtain regulatory approval for STS101 under applicable regulatory requirements. The denial or delay of any such approval would prevent or delay commercialization of STS101 and could adversely affect potential economic returns to us and our stockholders.
STS101 may cause undesirable side effects or have other properties that could delay or prevent its regulatory approval, limit the commercial profile of an approved label, or result in significant negative consequences following marketing approval, if any.
Even if STS101 obtains regulatory approval, it may fail to achieve broad market acceptance.
Even if STS101 obtains regulatory approval, the ability of the party that ultimately commercializes STS101, whether that is SNBL or a third party (the Commercializing Party), to market and promote STS101 may be limited by FDA-approved labeling.
We face significant competition in an environment of rapid technological and scientific change, and STS101, if approved, will face significant competition. The failure of STS101 to effectively compete may prevent STS101, if approved, from achieving significant market penetration. Many competitors in the migraine field have significant resources that may be greater than those of the Commercializing Party and as a result the Commercializing Party may not be able to successfully compete.
The successful commercialization of STS101 by the Commercializing Party will depend in part on the extent to which governmental authorities, private health insurers, and other third-party payors provide coverage, adequate reimbursement levels and implement pricing policies favorable for it. Failure to obtain or maintain coverage and adequate reimbursement for STS101, if approved, could limit the ability of the Commercializing Party to market it and thereby decrease its ability to generate revenue.
We have relied, and we anticipate the Commercializing Party would need to continue to rely, on qualified third parties to supply all components of STS101, and to manufacture supplies of STS101 for commercial sale. As a result, the successful development and commercialization of STS101 is dependent on the supply chain we have established, comprising multiple third parties, most of which are sole source suppliers, for the manufacture of STS101. Should problems arise with any of these suppliers, or if they fail to comply with applicable regulatory requirements or to supply sufficient quantities at acceptable quality levels or prices, or at all, it would materially and adversely affect our potential future economic prospects.

 

ii


Table of Contents

 

Page

PART I.

FINANCIAL INFORMATION

Item 1.

Financial Statements (unaudited)

1

Condensed Balance Sheets

1

Condensed Statements of Operations and Comprehensive Loss

2

Condensed Statements of Stockholders’ Equity

3

Condensed Statements of Cash Flows

4

Notes to Unaudited Interim Condensed Financial Statements

5

Item 2.

Management’s Discussion and Analysis of Financial Condition and Results of Operations

14

Item 3.

Quantitative and Qualitative Disclosures About Market Risk

21

Item 4.

Controls and Procedures

21

PART II.

OTHER INFORMATION

 

Item 1.

Legal Proceedings

22

Item 1A.

Risk Factors

22

Item 2.

Unregistered Sales of Equity Securities and Use of Proceeds

65

Item 3.

Defaults Upon Senior Securities

65

Item 4.

Mine Safety Disclosures

65

Item 5.

Other Information

65

Item 6.

Exhibits

66

Signatures

67

 

 

 

 

iii


PART I—FINANCIAL INFORMATION

Item 1. Financial Statements (Unaudited).

SATSUMA PHARMACEUTICALS, INC.

Condensed Balance Sheets

(in thousands, except share and per share amounts)

(unaudited)

 

 

 

March 31,

 

 

December 31,

 

 

 

2023

 

 

2022

 

Assets

 

 

 

 

 

 

Cash and cash equivalents

 

$

19,526

 

 

$

16,429

 

Short-term marketable securities

 

 

21,844

 

 

 

36,052

 

Prepaid expenses and other current assets

 

 

2,005

 

 

 

2,328

 

Total current assets

 

 

43,375

 

 

 

54,809

 

Operating lease right-of-use asset

 

 

82

 

 

 

108

 

Other non-current assets

 

 

22

 

 

 

22

 

Total assets

 

$

43,479

 

 

$

54,939

 

Liabilities

 

 

 

 

 

 

Accounts payable

 

$

874

 

 

$

1,911

 

Accrued and other current liabilities

 

 

4,841

 

 

 

6,066

 

Operating lease liability

 

 

116

 

 

 

138

 

Total current liabilities

 

 

5,831

 

 

 

8,115

 

Total liabilities

 

 

5,831

 

 

 

8,115

 

Commitments and contingencies (Note 7)

 

 

 

 

 

 

Stockholders’ equity

 

 

 

 

 

 

Preferred stock, $0.0001 par value, 10,000,000 shares authorized as of March 31, 2023 and December 31, 2022; no shares issued and outstanding as of March 31, 2023 and December 31, 2022

 

 

 

 

 

 

Common stock, $0.0001 par value, 300,000,000 shares authorized as of March 31, 2023 and December 31, 2022; 33,152,498 shares issued and outstanding as of March 31, 2023 and December 31, 2022

 

 

3

 

 

 

3

 

Additional paid-in-capital

 

 

259,735

 

 

 

258,642

 

Accumulated other comprehensive loss

 

 

(5

)

 

 

(30

)

Accumulated deficit

 

 

(222,085

)

 

 

(211,791

)

Total stockholders’ equity

 

 

37,648

 

 

 

46,824

 

Total liabilities and stockholders’ equity

 

$

43,479

 

 

$

54,939

 

 

The accompanying notes are an integral part of these unaudited condensed financial statements.

1


SATSUMA PHARMACEUTICALS, INC.

Condensed Statements of Operations and Comprehensive Loss

(in thousands, except share and per share amounts)

(unaudited)

 

 

 

Three Months Ended March 31,

 

 

 

 

2023

 

 

2022

 

 

Operating expenses

 

 

 

 

 

 

 

Research and development

 

$

7,459

 

 

$

11,556

 

 

General and administrative

 

 

3,309

 

 

 

3,990

 

 

Total operating expenses

 

$

10,768

 

 

$

15,546

 

 

Loss from operations

 

 

(10,768

)

 

 

(15,546

)

 

Interest income

 

 

474

 

 

 

40

 

 

Interest expense

 

 

 

 

 

(11

)

 

Net loss

 

$

(10,294

)

 

$

(15,517

)

 

Unrealized gain (loss) on marketable securities

 

 

25

 

 

 

(79

)

 

Comprehensive loss

 

$

(10,269

)

 

$

(15,596

)

 

Net loss per share attributable to common stockholders, basic and diluted

 

$

(0.31

)

 

$

(0.49

)

 

Weighted-average shares used in computing net loss per share attributable to common stockholders, basic and diluted

 

 

33,152,498

 

 

 

31,545,564

 

 

 

The accompanying notes are an integral part of these unaudited condensed financial statements.

2


SATSUMA PHARMACEUTICALS, INC.

Condensed Statements of Stockholders’ Equity

(in thousands, except share amounts)

(unaudited)

 

 

 

 

Common Stock

 

 

Additional
Paid-In

 

 

Accumulated
Other
Comprehensive

 

 

Accumulated

 

 

Total
Stockholders’

 

 

 

Shares

 

 

Amount

 

 

Capital

 

 

Income (Loss)

 

 

Deficit

 

 

Equity

 

Balances at January 1, 2023

 

 

33,152,498

 

 

$

3

 

 

$

258,642

 

 

$

(30

)

 

$

(211,791

)

 

$

46,824

 

Stock-based compensation

 

 

 

 

 

 

 

 

1,093

 

 

 

 

 

 

 

 

 

1,093

 

Net loss

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(10,294

)

 

 

(10,294

)

Other comprehensive income

 

 

 

 

 

 

 

 

 

 

 

25

 

 

 

 

 

 

25

 

Balances at March 31, 2023

 

 

33,152,498

 

 

$

3

 

 

$

259,735

 

 

$

(5

)

 

$

(222,085

)

 

$

37,648

 

 

 

 

 

Common Stock

 

 

Additional
Paid-In

 

 

Accumulated
Other
Comprehensive

 

 

Accumulated

 

 

Total
Stockholders’

 

 

 

Shares

 

 

Amount

 

 

Capital

 

 

Loss

 

 

Deficit

 

 

Equity

 

Balances at January 1, 2022

 

 

31,545,564

 

 

$

3

 

 

$

243,115

 

 

$

(42

)

 

$

(141,736

)

 

$

101,340

 

Stock-based compensation

 

 

 

 

 

 

 

 

1,239

 

 

 

 

 

 

 

 

 

1,239

 

Net loss

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(15,517

)

 

 

(15,517

)

Other comprehensive loss

 

 

 

 

 

 

 

 

 

 

 

(79

)

 

 

 

 

 

(79

)

Balances at March 31, 2022

 

 

31,545,564

 

 

$

3

 

 

$

244,354

 

 

$

(121

)

 

$

(157,253

)

 

$

86,983

 

 

The accompanying notes are an integral part of these unaudited condensed financial statements.

3


SATSUMA PHARMACEUTICALS, INC.

Condensed Statements of Cash Flows

(in thousands)

(unaudited)

 

 

 

Three Months Ended March 31,

 

 

 

2023

 

 

2022

 

Cash flows from operating activities

 

 

 

 

 

 

Net loss

 

$

(10,294

)

 

$

(15,517

)

Adjustments to reconcile net loss to net cash used in operating activities

 

 

 

 

 

 

Depreciation

 

 

 

 

 

92

 

Amortization of operating lease right-of-use asset

 

 

37

 

 

 

37

 

Non-cash interest expense, and amortization of debt discount and issuance costs

 

 

 

 

 

3

 

Amortization of premiums / (accretion of discounts), net on marketable securities

 

 

(249

)

 

 

253

 

Stock-based compensation

 

 

1,093

 

 

 

1,239

 

Changes in assets and liabilities

 

 

 

 

 

 

Prepaid expenses and other assets

 

 

323

 

 

 

1,178

 

Accounts payable

 

 

(1,037

)

 

 

339

 

Accrued and other current liabilities

 

 

(1,225

)

 

 

(1,900

)

Operating lease liabilities, net

 

 

(33

)

 

 

(41

)

Net cash used in operating activities

 

 

(11,385

)

 

 

(14,317

)

Cash flows from investing activities

 

 

 

 

 

 

Purchases of marketable securities

 

 

(1,430

)

 

 

(1,989

)

Proceeds from maturities of marketable securities

 

 

15,912

 

 

 

22,354

 

Purchases of property and equipment

 

 

 

 

 

(24

)

Net cash provided by investing activities

 

 

14,482

 

 

 

20,341

 

Cash flows from financing activities

 

 

 

 

 

 

Repayment of debt

 

 

 

 

 

(500

)

Net cash used in financing activities

 

 

 

 

 

(500

)

Net increase in cash and cash equivalents

 

 

3,097

 

 

 

5,524

 

Cash and cash equivalents

 

 

 

 

 

 

Cash and cash equivalents, at beginning of period

 

 

16,429

 

 

 

15,835

 

Cash and cash equivalents, at end of period

 

$

19,526

 

 

$

21,359

 

Supplemental disclosure of cash flow information:

 

 

 

 

 

 

Cash paid for interest

 

$

 

 

$

11

 

Supplemental non-cash investing and financing activities:

 

 

 

 

 

 

Operating lease right-of-use asset recorded on the adoption of ASC 842

 

$

 

 

$

80

 

Operating lease right-of-use assets obtained in exchange for new lease liabilities

 

$

11

 

 

$

201

 

Purchases of property and equipment in accounts payable and accrued and other current liabilities

 

$

 

 

$

39

 

 

The accompanying notes are an integral part of these unaudited condensed financial statements.

4


 

SATSUMA PHARMACEUTICALS, INC.

Notes to Unaudited Interim Condensed Financial Statements

Note 1. Organization and Summary of Significant Accounting Policies

Description of the Business

Satsuma Pharmaceuticals, Inc. (the “Company”) is a development-stage biopharmaceutical company developing a novel therapeutic for the acute treatment of migraine. The Company’s product candidate, STS101, is a drug-device combination of a proprietary dry-powder formulation of dihydroergotamine mesylate, or DHE, which can be quickly and easily self-administered by a proprietary pre-filled, single-use, nasal delivery device. The Company, headquartered in South San Francisco, was incorporated in 2016 in the state of Delaware.

At-the-Market Equity Offering

In October 2020, the Company entered into a sales agreement (the “SVB Sales Agreement”) with SVB Securities LLC (formerly known as SVB Leerink LLC) (“SVB”) to sell shares of its common stock, from time to time, through an at-the-market (“ATM”) equity offering program under which SVB acted as its sales agent and pursuant to which the Company could sell common stock for aggregate gross sales proceeds of up to $50.0 million. The issuance and sale of shares of common stock by the Company pursuant to the SVB Sales Agreement was deemed an ATM offering under the Securities Act of 1933, as amended. SVB was entitled to compensation for its services equal to up to 3.0% of the gross proceeds of any shares of common stock sold through SVB under the SVB Sales Agreement. In September 2022, the Company issued and sold 1,538,461 shares of common stock under the SVB Sales Agreement. The shares were sold at a price of $6.50 per share for aggregate net proceeds of approximately $9.7 million, after deducting sales commission of $0.3 million payable by the Company. Prior to the quarter ended September 30, 2022, the Company had not issued any shares of common stock under the SVB Sales Agreement. In October 2022, the Company terminated the SVB Sales Agreement and the offer and sale of shares under the SVB Sales Agreement prospectus supplement filed in October 2020.

In November 2022, the Company entered into an At-the-Market Sales Agreement (the “Virtu Sales Agreement”), with Virtu Americas LLC (“Virtu”), to sell shares of its common stock, from time to time, through an ATM equity offering program under which Virtu will act as its sales agent and pursuant to which the Company may sell common stock for aggregate gross sales proceeds of up to $100.0 million. The issuance and sale of shares of common stock by the Company pursuant to the Virtu Sales Agreement is deemed an ATM offering under the Securities Act of 1933, as amended. Virtu is entitled to compensation for its services equal to up to 3.0% of the gross proceeds of any shares of common stock sold through Virtu under the Virtu Sales Agreement. As of March 31, 2023, no shares of common stock have been sold pursuant to this agreement.

Liquidity

 

The Company is subject to risks and uncertainties common to early-stage companies in the biopharmaceutical industry, including, but not limited to, risks of clinical delays or failure, development by competitors of new technological innovations, protection of proprietary technology, dependence on key personnel, reliance on contract manufacturing organizations (“CMOs”) and contract research organizations (“CROs”), compliance with government regulations and the need to obtain additional financing to fund operations. STS101 is an investigational product candidate that will require completion of clinical development prior to any submission for regulatory approval and commercialization, if approved. These efforts require significant amounts of additional capital, adequate personnel, infrastructure, and extensive compliance and reporting.

The Company has incurred significant losses and negative cash flows from operations in all periods since its inception and had an accumulated deficit of $222.1 million as of March 31, 2023. The Company has historically financed its operations primarily through its initial public offering (“IPO”), private placements of its equity securities, an ATM equity offering and borrowings under its former long-term debt facility. The Company has no products approved for sale, and the Company has not generated any revenue since its inception. The Company expects to incur significant additional operating losses over at least the next several years. There can be no assurance that in the event the Company requires additional financing, such financing will be available on terms which are favorable or at all. Failure to generate sufficient cash flows from operations or raise additional capital to support its operations would have a material adverse effect on the Company’s ability to achieve its intended business objectives.

5


 

The Company has suffered recurring losses from operations that raise substantial doubt about its ability to continue as a going concern. As a result of the reported topline results from the STS101 SUMMIT Phase 3 efficacy trial, the Company does not plan to invest in commercialization of STS101. The Company will continue to look for strategic alternatives and does not plan on raising additional funds. As of March 31, 2023, the Company had cash, cash equivalents and marketable securities of $41.4 million. The Company’s management believes that the Company’s cash, cash equivalents and marketable securities may not be sufficient to continue as a going concern for a period of one year from the issuance date of these unaudited interim condensed financial statements and as such, substantial doubt exists about the Company’s ability to continue as a going concern. Failure to manage discretionary spending may adversely impact the Company’s ability to achieve its intended business objectives and have an adverse effect on its results of operations and future prospects.

The accompanying unaudited interim condensed financial statements have been prepared assuming that the Company will continue as a going concern, which contemplates the realization of assets and the settlement of liabilities and commitments in the normal course of business. The accompanying unaudited interim condensed financial statements do not reflect any adjustments relating to the recoverability and reclassifications of assets and liabilities that might be necessary if the Company is unable to continue as a going concern.

During the quarter ended December 31, 2022, the Company recorded an impairment loss of $11.7 million consisting of $6.7 million impairment loss to write down the property and equipment to its fair market value, $2.2 million impairment loss to write off prepaid expenses and other current assets related to purchases of property and equipment, and $2.8 million impairment loss to accrue non-cancelable future payments related to purchases of the property and equipment. The impairment loss was a result of the reported topline results from the STS101 SUMMIT Phase 3 efficacy trial and the plan not to invest in commercialization of STS101.

On April 16, 2023, the Company entered into an Agreement and Plan of Merger (the “Merger Agreement”) with Shin Nippon Biomedical Laboratories, Ltd., a Japanese corporation (the “Parent” or “SNBL”) and SNBL23 Merger Sub, Inc., a Delaware corporation and a direct wholly owned subsidiary of the Parent (the “Purchaser”).

The Merger Agreement provides that, upon the terms and subject to the conditions thereof, as promptly as practicable (but in no event more than fifteen (15) business days after the date of the Merger Agreement), Purchaser will commence a tender offer (the “Offer”) to acquire (upon the terms and subject to the conditions of the Merger Agreement) any and all of the issued and outstanding shares of common stock, par value $0.0001 per share, of the Company (the “Company Common Stock”) in exchange for (i) an amount in cash equal to $0.91, without interest and less applicable withholding taxes (the “Per Share Price”), and (ii) one contingent value right per share of Company Common Stock (a “CVR”) representing the right to receive, subject to the terms and conditions of the Contingent Value Rights Agreement, substantially in the form attached to the Merger Agreement (the “CVR Agreement”), the consideration set forth in the CVR Agreement (the CVRs together with the aggregate Per Share Price paid in accordance with the Merger Agreement, the “Offer Consideration”). The Merger Agreement includes a remedy of specific performance and is not subject to a financing condition. As soon as practicable following the completion of the Offer, upon the terms and subject to the conditions of the Merger Agreement, Purchaser will be merged with and into the Company, with the Company surviving as a wholly owned subsidiary of Parent (the “Merger”). The Merger Agreement contemplates that the Merger will be effected pursuant to Section 251(h) of the General Corporation Law of the State of Delaware (the “DGCL”), which permits completion of the Merger without a vote of the holders of the Company Common Stock upon the acquisition by Purchaser of a majority of the aggregate number of the shares of Company Common Stock.

Subject to the terms and conditions of the Merger Agreement, if certain conditions are satisfied and the Offer closes, Parent, following the satisfaction of such conditions, would acquire any remaining shares by virtue of the Merger, with the Company surviving the Merger as a wholly-owned subsidiary of Parent. If the Merger is consummated, the Company will cease to be a publicly-traded company. The consummation of the transaction is subject to customary closing conditions, including the Company’s stockholders tendering a minimum number of shares of Company Common Stock in the Offer.

Concurrently with the execution of the Merger Agreement, the Parent entered into a tender and support agreement (the “Support Agreement”) with certain stockholders and directors of the Company (the “Supporting Persons”), who in the aggregate own approximately 18.8% of the Company Common Stock, pursuant to which such Supporting Persons have agreed, among other things, to tender their shares of Company Common Stock in the Offer and to vote against certain matters at meetings of the Company’s stockholders which are intended to or would reasonably be expected to impede, delay or prevent, in any material respect, the Offer or the Merger.

 

6


 

Basis of Presentation

The unaudited interim condensed financial statements and accompanying notes have been prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”), as defined by the Financial Accounting Standards Board, or the FASB.

Unaudited Interim Financial Information

The accompanying condensed balance sheet as of March 31, 2023, the condensed statements of operations and comprehensive loss, the condensed statements of stockholders’ equity and the condensed statements of cash flows for the three months ended March 31, 2023 and 2022 are unaudited. The unaudited interim condensed financial statements have been prepared on the same basis as the audited annual financial statements and, in the opinion of management, reflect all adjustments, which include only normal recurring adjustments, necessary for the fair statement of the Company’s financial position as of March 31, 2023 and the results of its operations and its cash flows for the three months ended March 31, 2023 and 2022. The financial data and other information disclosed in these notes related to the three months ended March 31, 2023 and 2022 are also unaudited. The results for the three months ended March 31, 2023 are not necessarily indicative of results to be expected for the year ending December 31, 2023, any other interim periods, or any future year or period. The balance sheet as of December 31, 2022 included herein was derived from the audited financial statements as of that date. Certain disclosures have been condensed or omitted from the unaudited interim condensed financial statements.

The accompanying interim unaudited condensed financial statements should be read in conjunction with the audited financial statements and the related notes thereto for the year ended December 31, 2022, which are included in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2022 filed with the Securities and Exchange Commission, or the SEC, on March 28, 2023.

Use of Estimates

The preparation of unaudited interim condensed financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the unaudited interim condensed financial statements and the reported amounts of income and expenses during the reporting period. Such estimates include the accrual of research and development expenses, impairment of property and equipment and the fair value of stock-based awards. The Company evaluates its estimates and assumptions on an ongoing basis using historical experience and other factors, including the impact of the COVID-19 pandemic and related impacts on the global economy which may delay the enrollment of subjects for our clinical trials and may disrupt our supply chain for development and manufacturing activities, and adjust those estimates and assumptions when facts and circumstances dictate. Actual results could differ materially from those estimates and assumptions.

Concentration of Credit Risk

The Company has no significant off-balance sheet concentrations of credit risk. Financial instruments that potentially subject the Company to a concentration of credit risk consist of cash, cash equivalents and marketable securities. Substantially all the Company’s cash, cash equivalents and marketable securities are held by Silicon Valley Bank, and the Company historically has relied primarily on Silicon Valley Bank for commercial banking services. On March 10, 2023, the California Department of Financial Protection and Innovation closed Silicon Valley Bank and appointed the Federal Deposit Insurance Corporation ("FDIC") as receiver. On March 12, 2023, the U.S. Department of the Treasury, the Federal Reserve and the FDIC released a joint statement confirming that all depositors of Silicon Valley Bank would have access to all of their money after only one business day of closure, including funds held in uninsured deposit accounts. The Company received full access to the funds in its deposit and money market accounts on March 13, 2023. In light of actions by the federal government to fully protect deposit accounts, the Company has not experienced any credit losses on its deposits of cash or cash equivalents. The Company invests its cash equivalents in marketable securities and money market funds.

Credit Losses - Marketable Securities

For marketable securities in an unrealized loss position, the Company will periodically assess its portfolio for impairment. The assessment first considers the intent or requirement to sell the marketable security. If either of these criteria are met, the amortized cost basis will be written down to fair value through earnings.

If not met, the Company evaluates whether the decline resulted from credit losses or other factors by considering the extent to which fair value is less than amortized cost, any changes to the rating of the marketable security by a rating agency, and any adverse conditions specifically related to the marketable security, among other factors. If this assessment indicates that a credit loss exists, the present value of cash flows expected to be collected from the marketable security is compared to the amortized cost basis of the

7


 

marketable security. If the present value of cash flows expected to be collected is less than the amortized cost basis, a credit loss exists and an allowance for credit losses is recorded, limited by the amount that the fair value is less than the amortized cost basis. Any impairment that has not been recorded through an allowance for credit losses is recognized in other comprehensive loss.

Impairment of Long-Lived Assets

Long-lived assets consist of property and equipment. The Company reviews property and equipment for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset or asset group may not be recoverable or that the useful life is shorter than the Company had originally estimated. Recoverability is measured by comparison of the carrying amount of the asset or asset group to the future undiscounted cash flows which the asset or asset group is expected to generate. If the asset or asset group is considered to be impaired, the impairment to be recognized is measured by the amount by which the carrying amount of the asset or asset group exceeds the fair value of the asset or asset group. If the useful life is shorter than originally estimated, the Company amortizes the remaining carrying value over the new shorter useful life.

In November 2022, the Company reported topline results from the STS101 SUMMIT Phase 3 efficacy trial. Although topline data showed numerical differences in favor of STS101 5.2 mg versus placebo on the pre-specified co-primary endpoints of freedom from pain and freedom from most bothersome symptom at two hours post-administration, these differences did not achieve statistical significance. This significant change was a triggering event which resulted in an evaluation of impairment of the Company's property and equipment which were designed for future use in production of STS101 after the commercialization. The Company evaluated the recoverability of the property and equipment by comparing their carrying amount to the future undiscounted cash flows expected to be generated by the assets to determine if the carrying value was not recoverable. The recoverability test indicated that the Company's property and equipment were impaired. As a result, the Company recognized an impairment loss of $11.7 million for the quarter ended December 31, 2022.

Recent Accounting Pronouncements

New Accounting Pronouncements Adopted

In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments - Credit Losses (Topic 326), to provide financial statement users with more useful information about expected credit losses, which was subsequently updated by ASU 2019-04, Codification Improvements to Topic 326, Financial Instrument - Credit Losses, Topic 815, Derivatives and Hedging, and Topic 825, Financial Instruments, and ASU 2019-05, Financial Instruments - Credit Losses (Topic 326): Targeted Transition Relief. The amendment updates the guidance for measuring and recording credit losses on financial assets measured at amortized cost by replacing the “incurred loss” model with an “expected loss” model. Accordingly, these financial assets will be presented at the net amount expected to be collected. The amendment also requires that credit losses related to available-for-sale debt securities be recorded as an allowance through net income rather than reducing the carrying amount under the current, other-than-temporary-impairment model. In November 2019, the FASB issued ASU No. 2019-10, according to which, the new standard is effective for public business entities that meet the definition of an SEC filer, excluding entities eligible to be smaller reporting companies (“SRC”) as defined by the SEC, for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years. For all other entities, the new standard is effective for fiscal years beginning after December 15, 2022, and interim periods within that fiscal year. The Company adopted this ASU effective January 1, 2023. The adoption of this ASU did not have a material effect on the Company’s financial statements and related disclosures.

2.
Fair Value Measurements

The Company applies fair value accounting for all financial assets and liabilities and non-financial assets and liabilities that are recognized or disclosed at fair value in the unaudited interim condensed financial statements on a recurring basis. Fair value is an exit price, representing the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants. As such, fair value is a market-based measurement that should be determined based on assumptions that market participants would use in pricing an asset or liability. As a basis for considering such assumptions, a three-tier fair value hierarchy has been established, which prioritizes the inputs used in measuring fair value as follows:

Level 1—Observable inputs, such as quoted prices in active markets for identical assets or liabilities at the measurement date.

Level 2—Observable inputs other than Level 1 prices such as quoted prices for similar assets or liabilities, quoted prices in markets that are not active, or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities.

8


 

Level 3—Unobservable inputs which reflect management’s best estimate of what market participants would use in pricing the asset or liability at the measurement date. Consideration is given to the risk inherent in the valuation technique and the risk inherent in the inputs to the model.

In determining fair value, the Company utilizes valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs to the extent possible as well as considers counterparty credit risk in its assessment of fair value.

As of March 31, 2023, financial assets measured and recognized at fair value were as follows (in thousands):

 

 

 

Fair Value Measurements at March 31, 2023

 

 

 

Level 1

 

 

Level 2

 

 

Level 3

 

 

Total

 

Assets

 

 

 

 

 

 

 

 

 

 

 

 

U.S. government bonds

 

$

13,876

 

 

$

 

 

$

 

 

$

13,876

 

U.S. government agency bonds

 

 

 

 

 

1,444

 

 

 

 

 

 

1,444

 

Corporate bonds

 

 

 

 

 

6,446

 

 

 

 

 

 

6,446

 

Asset backed securities

 

 

 

 

 

78

 

 

 

 

 

 

78

 

Marketable securities

 

 

13,876

 

 

 

7,968

 

 

 

 

 

 

21,844

 

Money market funds (1)

 

 

19,463

 

 

 

 

 

 

 

 

 

19,463

 

Total fair value of assets

 

$

33,339

 

 

$

7,968

 

 

$

 

 

$

41,307

 

 

(1)
Included in cash and cash equivalents on the balance sheet.

 

 

 

Fair Value Measurements at March 31, 2023

 

 

 

Amortized
Cost

 

 

Gross
Unrealized
Gains

 

 

Gross
Unrealized
Losses

 

 

Estimate
Fair
Value

 

Assets

 

 

 

 

 

 

 

 

 

 

 

 

U.S. government bonds

 

$

13,883

 

 

$

1

 

 

$

(8

)

 

$

13,876

 

U.S. government agency bonds

 

 

1,443

 

 

 

1

 

 

 

 

 

 

1,444

 

Corporate bonds

 

 

6,445

 

 

 

1

 

 

 

 

 

 

6,446

 

Asset backed securities

 

 

78

 

 

 

 

 

 

 

 

 

78

 

Marketable securities

 

 

21,849

 

 

 

3

 

 

 

(8

)

 

 

21,844

 

Money market funds (1)

 

 

19,463

 

 

 

 

 

 

 

 

 

19,463

 

Total fair value of assets

 

$

41,312

 

 

$

3

 

 

$

(8

)

 

$

41,307

 

 

(1)
Included in cash and cash equivalents on the balance sheet.

As of December 31, 2022, financial assets measured and recognized at fair value were as follows (in thousands):

 

 

 

Fair Value Measurements at December 31, 2022

 

 

 

Level 1

 

 

Level 2

 

 

Level 3

 

 

Total

 

Assets

 

 

 

 

 

 

 

 

 

 

 

 

U.S. government bonds

 

$

18,703

 

 

$

 

 

$

 

 

$

18,703

 

Corporate bonds

 

 

 

 

 

16,941

 

 

 

 

 

 

16,941

 

Asset backed securities

 

 

 

 

 

408

 

 

 

 

 

 

408

 

Marketable securities

 

 

18,703

 

 

 

17,349

 

 

 

 

 

 

36,052

 

Money market funds (1)

 

 

16,384

 

 

 

 

 

 

 

 

 

16,384

 

Total fair value of assets

 

$

35,087

 

 

$

17,349

 

 

$

 

 

$

52,436

 

 

(1)
Included in cash and cash equivalents on the balance sheet

 

9


 

 

 

Fair Value Measurements at December 31, 2022

 

 

 

Amortized
Cost

 

 

Gross
Unrealized
Gains

 

 

Gross
Unrealized
Losses

 

 

Estimate
Fair
Value

 

Assets

 

 

 

 

 

 

 

 

 

 

 

 

U.S. government bonds

 

$

18,724

 

 

$

2

 

 

$

(23

)

 

$

18,703

 

Corporate bonds

 

 

16,947

 

 

 

1

 

 

 

(7

)

 

 

16,941

 

Asset backed securities

 

 

411

 

 

 

 

 

 

(3

)

 

 

408

 

Marketable securities

 

 

36,082

 

 

 

3

 

 

 

(33

)

 

 

36,052

 

Money market funds (1)

 

 

16,384

 

 

 

 

 

 

 

 

 

16,384

 

Total fair value of assets

 

$

52,466

 

 

$

3

 

 

$

(33

)

 

$

52,436

 

 

(1)
Included in cash and cash equivalents on the balance sheet.

There were no financial liabilities measured and recognized at fair value as of March 31, 2023 and December 31, 2022. The unrealized losses for marketable securities related to changes in interest rates. No allowance for credit losses was recorded as of March 31, 2023 and December 31, 2022, and no impairment losses were recognized for the three months ended March 31, 2023.

3.
Balance Sheet Components

Property and Equipment, Net

Depreciation is computed using the straight-line method. Depreciation expense was $0 and $0.1 million for the three months ended March 31, 2023 and 2022, respectively.

In 2022, the Company performed a recoverability test for its property and equipment when it was determined that it was more likely than not that the carrying value of the long-lived assets would not be recoverable. As a result, the Company recognized a non-cash impairment loss of $6.7 million in the quarter ended December 31, 2022, to write down the property and equipment to its fair market value, which was determined to be nil as of December 31, 2022. The Company determined that prepaid expenses and other current assets of $2.2 million related to purchases of property and equipment were impaired as of December 31, 2022. The Company recognized a non-cash impairment loss of $2.2 million in the quarter ended December 31, 2022, to write off prepaid expenses and other current assets related to purchases of property and equipment. Additionally, as of December 31, 2022, the Company had non-cancelable future payments of $2.8 million related to purchases of the property and equipment. The Company recognized a non-cash impairment loss of $2.8 million in the quarter ended December 31, 2022, and recorded a $2.8 million accrued impairment loss in accrued and other current liabilities on the Company's balance sheets.

Accrued and Other Current Liabilities

Accrued and other current liabilities consisted of the following (in thousands):

 

 

 

March 31,

 

 

December 31,

 

 

 

2023

 

 

2022

 

Accrued salaries and benefits

 

$

460

 

 

$

536

 

Accrued severance payments

 

 

1,310

 

 

 

 

Accrued research and development expenses

 

 

1,661

 

 

 

2,630

 

Accrued impairment loss

 

 

965

 

 

 

2,765

 

Accrued professional services

 

 

392

 

 

 

66

 

Other

 

 

53

 

 

 

69

 

Total

 

$

4,841

 

 

$

6,066

 

 

4.
Debt

On October 26, 2018, the Company entered into a Loan and Security Agreement (the “Loan Agreement”) with Silicon Valley Bank. The Loan Agreement provided for loan advances of up to $10.0 million. The first advance (the “Term A Loan”) of $5.0 million was available for draw down by the Company as of the effective date of the Loan Agreement. The remaining $5.0 million under the facility was never drawn down and is no longer available for draw. Interest on the loan advances were payable monthly at a floating per annum rate equal to the greater of 1.5% above the prime rate or 6.5%. Upon the occurrence of an event of default, interest would increase to 5.0% above the rate that is otherwise applicable. The maturity date of the loan advances was May 1, 2022. The effective interest rate of the Term Loan approximated its stated interest rates.

10


 

The Company incurred debt issuance costs of $0.1 million, which was presented as reduction of the Term A Loan advance balance. Debt issuance cost and final payment of $0.3 million was recognized as additional interest expense using the effective interest method over the term of the loan.

On May 3, 2022, the Company repaid its entire obligation under the Loan Agreement amounting to $0.4 million, including outstanding loan amount of $0.2 million and final payment of $0.2 million.

5.
Stock-Based Compensation

A summary of stock option activity for the three months ended March 31, 2023 is set forth below:

 

 

 

 

 

 

Outstanding Options

 

 

 

Shares
Available for
Grant

 

 

Number of
Shares

 

 

Weighted
Average
Exercise
Price

 

 

Weighted-
Average
Remaining
Contractual
Term (Years)

 

Balance, January 1, 2023

 

 

665,900

 

 

 

5,292,403

 

 

$

6.84

 

 

 

7.9

 

Options cancelled

 

 

86,744

 

 

 

(86,744

)

 

$

4.21

 

 

 

 

Balance, March 31, 2023

 

 

752,644

 

 

 

5,205,659

 

 

$

6.88

 

 

 

7.6

 

Exercisable as of March 31, 2023

 

 

 

 

 

2,554,076

 

 

$

8.72

 

 

 

6.4

 

Vested and expected to vest, March 31, 2023

 

 

 

 

 

5,205,659

 

 

$

6.88

 

 

 

7.6

 

 

The weighted-average grant-date fair value of options granted during the three months ended March 31, 2022 was $3.42 per share. No stock options were granted during the three months ended March 31, 2023.

As of March 31, 2023, the total unrecognized stock-based compensation expense for stock options was $5.8 million, which is expected to be recognized over a weighted-average period of 2.2 years.

The total fair value of options vested for the three months ended March 31, 2023 and 2022 was $1.2 million and $1.2 million, respectively.

2019 Employee Share Purchase Plan

In September 2019, the Company adopted the 2019 Employee Share Purchase Plan (“ESPP”), which became effective on the day of effectiveness of the Company’s registration statement on Form S-1 filed in connection with its IPO. As of March 31, 2023, 724,258 shares under the ESPP remain available for purchase. The offering period and purchase period is determined by the board of directors. As of March 31, 2023, no new offerings had been authorized.

Stock-Based Compensation Expense

Total stock-based compensation expense recorded related to options granted to employees and non-employees was as follows (in thousands):

 

 

 

Three Months Ended March 31,

 

 

 

2023

 

 

2022

 

Research and development

 

$

318

 

 

$

436

 

General and administrative

 

 

775

 

 

 

803

 

 

$

1,093

 

 

$

1,239

 

 

11


 

 

6.
Net Loss Per Share Attributable to Common Stockholders

The following table sets forth the computation of basic and diluted net loss per share attributable to common stockholders (in thousands, except share and per share data):

 

 

 

Three Months Ended March 31,

 

 

 

2023

 

 

2022

 

Numerator:

 

 

 

 

 

 

Net loss attributable to common stockholders

 

$

(10,294

)

 

$

(15,517

)

Denominator:

 

 

 

 

 

 

Weighted-average shares used in computing net loss per share attributable to common stockholders, basic and diluted

 

 

33,152,498

 

 

 

31,545,564

 

Net loss per share attributable to common stockholders, basic and diluted

 

$

(0.31

)

 

$

(0.49

)

 

The following outstanding shares of potentially dilutive securities were excluded from the computation of diluted net loss per share attributable to common stockholders for the period presented because including them would have been antidilutive:

 

 

 

March 31,

 

 

 

2023

 

 

2022

 

Options to purchase common stock

 

 

5,205,659

 

 

 

3,214,903

 

Shares committed under ESPP

 

 

 

 

 

28,746

 

Total

 

 

5,205,659

 

 

 

3,243,649

 

 

7.
Commitments and Contingencies

Operating Leases

Operating lease cost consists of the following (in thousands):

 

 

 

Three Months Ended March 31,

 

 

 

2023

 

 

2022

 

Operating lease cost

 

$

40

 

 

$

39

 

Short-term lease cost

 

 

38

 

 

 

33

 

Total lease cost

 

$

78

 

 

$

72

 

 

The maturities of operating lease liabilities as of March 31, 2023 are as follows (in thousands):

 

 

 

March 31, 2023

 

2023 (remaining nine months)

 

$

130

 

Total undiscounted lease payments

 

 

130

 

Less: imputed interest

 

 

14

 

Total operating lease liability

 

 

116

 

Less: current portion

 

 

116

 

Operating lease liability, net of current portion

 

$

 

 

As of March 31, 2023, the remaining term for the operating lease in North Carolina was 0.6 years, and the discount rate used to measure the lease liability for such operating lease upon recognition was 9.8%. During the three months ended March 31, 2023 and 2022, cash paid for amounts included in operating lease liabilities of less than $0.1 million and less than $0.1 million, respectively, was included in cash flows from operating activities on the condensed statements of cash flows.

8.
Income Taxes

For the three months ended March 31, 2023 and 2022, the Company did not record an income tax provision. The U.S. federal and California deferred tax assets generated from the Company’s net operating losses have been fully reserved, as the Company believes it is more likely than not the benefit will not be realized.

12


 

9.
Workforce Reduction

On March 27, 2023, the Company's board of directors approved a plan to reduce its workforce by 9 employees, or approximately 36% of its total headcount as of such date (the "Workforce Reduction"), in order to preserve cash and maximize the value of STS101 for a potential strategic transaction partner. In connection with the Workforce Reduction, the position of Detlef Albrecht, M.D., the Company's Chief Medical Officer, with the Company was eliminated. During the three months ended March 31, 2023, the Company incurred aggregate charges in connection with the Workforce Reduction of approximately $1.3 million, which related primarily to severance payments and related continuation of benefits costs, all of which resulted in cash expenditures, along with the payment of approximately $0.2 million in accrued benefits including paid-time-off.

13


 

Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations.

The following discussion and analysis of our financial condition and results of operations should be read in conjunction with our financial statements and related notes appearing elsewhere in this Quarterly Report on Form 10-Q and with our audited financial statements and notes thereto for the year ended December 31, 2022, included in our Annual Report on Form 10-K, filed with the U.S. Securities and Exchange Commission, or SEC, on March 28, 2023. Some of the information contained in this discussion and analysis or set forth elsewhere in this Quarterly Report on Form 10-Q, including information with respect to our plans and strategy for our business, includes forward looking statements that involve risks and uncertainties. As a result of many factors, including those factors set forth in the “Risk Factors” section of this Quarterly Report on Form 10-Q and the Form 10-K, our actual results could differ materially from the results described, in or implied, by these forward-looking statements. Please also see the section of this Quarterly Report on Form 10-Q titled “Forward-Looking Statements.”

Pending Transaction

On April 16, 2023, we entered into an Agreement and Plan of Merger (the “Merger Agreement”) with Shin Nippon Biomedical Laboratories, Ltd., a Japanese corporation (“Parent” or “SNBL”) and SNBL23 Merger Sub, Inc., a Delaware corporation and a direct wholly owned subsidiary of Parent (“Purchaser”).

The Merger Agreement provides that, upon the terms and subject to the conditions thereof, as promptly as practicable (but in no event more than fifteen (15) business days after the date of the Merger Agreement), Purchaser will commence a tender offer (the “Offer”) to acquire (upon the terms and subject to the conditions of the Merger Agreement) any and all of the issued and outstanding shares of common stock, par value $0.0001 per share, of the Company (the “Company Common Stock”) in exchange for (i) an amount in cash equal to $0.91, without interest and less applicable withholding taxes (the “Per Share Price”), and (ii) one contingent value right per share of Company Common Stock (a “CVR”) representing the right to receive, subject to the terms and conditions of the CVR Agreement, substantially in the form attached to the Merger Agreement (the “CVR Agreement”), the consideration set forth in the CVR Agreement (the CVRs together with the aggregate Per Share Price paid in accordance with the Merger Agreement, the “Offer Consideration”). The Merger Agreement includes a remedy of specific performance and is not subject to a financing condition. As soon as practicable following the completion of the Offer, upon the terms and subject to the conditions of the Merger Agreement, Purchaser will be merged with and into the Company, with the Company surviving as a wholly owned subsidiary of Parent (the “Merger”). The Merger Agreement contemplates that the Merger will be effected pursuant to Section 251(h) of the General Corporation Law of the State of Delaware (the “DGCL”), which permits completion of the Merger without a vote of the holders of the Company Common Stock upon the acquisition by Purchaser of a majority of the aggregate number of the shares of Company Common Stock.

Subject to the terms and conditions of the Merger Agreement, if certain conditions are satisfied and the Offer closes, Parent, following the satisfaction of such conditions, would acquire any remaining shares by virtue of a merger of Purchaser with and into the Company (the “Merger”), with the Company surviving the Merger as a wholly-owned subsidiary of Parent. If the Merger is consummated, the Company will cease to be a publicly-traded company. The consummation of the transaction is subject to customary closing conditions, including the Company’s stockholders tendering a minimum number of shares of Company Common Stock in the Offer.

Overview

We are a development-stage biopharmaceutical company developing a novel therapeutic product for the acute treatment of migraine. Our product candidate, STS101, is a drug-device combination of a proprietary dry-powder formulation of dihydroergotamine mesylate, or DHE, which is designed to be quickly and easily self-administered with a proprietary pre-filled, single-use, nasal delivery device. DHE products have long been recommended as a first-line therapeutic option for the acute treatment of migraine and have significant advantages over other therapeutics for many patients. However, broad use has been limited by invasive and burdensome administration and/or sub-optimal clinical performance of available injectable and liquid nasal spray products. STS101 is specifically designed to deliver the clinical advantages of DHE while overcoming these shortcomings. If we can timely complete the Offer and Merger, continue development of STS101, and if SNBL can obtain regulatory approval for and successfully commercialize STS101, we believe STS101 has the potential to be an important and differentiated option for the acute treatment of migraine that can address the unmet needs of many people living with migraines.

In January 2023, we completed our STS101 clinical development program in which a total of more than 1,600 subjects have treated more than 10,000 migraine attacks with STS101. The STS101 clinical development program included multiple Phase 1 clinical trials, two Phase 3 placebo-controlled efficacy trials (the EMERGE and SUMMIT trials) and a long-term, open-label safety trial (the ASCEND trial). We believe the results of our STS101 clinical development program are supportive of the efficacy and safety of STS101. We have also worked to establish, in collaboration with our contract manufacturing partners, the ability to manufacture

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commercial quantities of STS101 utilizing proprietary processes, custom mold tooling that we own, and custom, automated filling, assembly and packaging equipment that we own.

In May 2022, we completed meetings with the Food and Drug Administration (FDA) related to our clinical data and chemistry, manufacturing and controls (CMC) for our planned new drug application (NDA) for STS101. The purpose of these meetings was to discuss and confirm required nonclinical, clinical and CMC content of the STS101 NDA. In November 2022, we announced topline results from our STS101 SUMMIT Phase 3 efficacy trial showing numerical differences in favor of STS101 versus placebo on the pre-specified co-primary endpoints of freedom from pain and freedom from most bothersome symptom (from among photophobia, phonophobia and nausea) at the two-hour post-administration timepoint. However, these differences did not achieve statistical significance (p-value <0.05). In addition, we announced that we do not plan to invest in commercializing STS101 and that we will actively explore alternatives to maximize value for shareholders, while minimizing cash expenditures.

In January 2023, we completed our STS101 ASCEND Phase 3 long-term, open-label safety trial. During the course of the trial, more than 446 subjects treated more than 9,000 attacks with more than 10,500 doses of STS101, with some subjects treating their migraines with STS101 for up to 18 months. STS101 demonstrated a favorable safety and tolerability profile in the ASCEND trial, consistent with clinical experience to date.

In March 2023, we filed an NDA for STS101 with the FDA, and if the FDA accepts the NDA for substantive review, we anticipate the FDA action date for the STS101 NDA will be in January 2024. As has been our longstanding plan, we are seeking FDA approval of STS101 under the 505(b)(2) regulatory pathway that allows us to reference some of the information required for STS101 approval from studies not conducted by Satsuma. Based on written feedback provided to us by the FDA, we believe the results of our completed Phase 1 pharmacokinetic (PK) clinical trials and our ASCEND Phase 3 long-term safety trial are sufficient, in combination with information referenced from studies not conducted by Satsuma, to support FDA approval of STS101.

The FDA has communicated to us in multiple meetings that a pivotal efficacy trial, such as the STS101 SUMMIT Phase 3 trial, which we completed and announced results from in November 2022, is not required for approval of STS101, as the efficacy of STS101 may be established via a “pharmacokinetic bridge” to the 505(b)(2) DHE reference products, D.H.E. 45 (DHE injectable solution) and Migranal (DHE liquid nasal spray). The FDA has also communicated to us that the results of the SUMMIT trial may be considered for inclusion in the STS101 prescribing information if the study is adequate and well-controlled and has results supportive of efficacy. We believe that the SUMMIT trial was adequate and well-controlled and that the results from the trial provide a totality of evidence that is supportive of the efficacy of STS101 in the acute treatment of migraine despite STS101 not having demonstrated statistical superiority over placebo on the co-primary endpoints at the two-hour post-administration timepoint. We further believe that STS101 can address unmet needs of many people with migraine, and that the results of the SUMMIT trial, if included in the prescribing information for STS101, if approved by FDA, would provide important treatment information to physicians and patients.

The clinical portion of our STS101 NDA is supported primarily by clinical trial results, generated with investigational product that incorporates our second-generation, nasal delivery device, from (i) the Phase 1 comparative PK study of STS101 that we completed in June 2021; and (ii) the STS101 Phase 3 ASCEND long-term, open-label safety trial that we completed in January 2023.

We believe our second-generation nasal device, which we introduced into the then-ongoing ASCEND trial in January 2021, in conjunction with improved instructions for STS101 use and training of subjects in our clinical trials, effectively addressed the under-delivery issue first identified with our first-generation delivery device shortly following our announcement of results from the EMERGE Phase 3 efficacy trial in September 2020. Based on our discussions with the FDA, we believe the data in our NDA support approval of STS101 incorporating this second-generation delivery device.

In November 2022 we announced that we do not plan to invest in commercializing STS101 and that we would actively explore alternatives to maximize value for shareholders, while minimizing cash expenditures. Based on the following factors, we revised our business plan and strategy in order to maximize value for our stockholders:

results of the Phase 3 SUMMIT trial, in which STS101 did not achieve statistical superiority to placebo on the co-primary outcome measures;
our belief, based on review of the SUMMIT trial results in their entirety and our primary market research conducted subsequent to announcement of the SUMMIT trial results, that STS101, if approved and successfully commercialized, has the potential to be an important and differentiated option for the acute treatment of migraine that can address the unmet needs of many people living with migraines;
the significant decrease in our stock price that occurred following our announcement of the SUMMIT trial results;
current and anticipated future capital market conditions; and

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our projected need for substantial additional capital were we to continue to develop STS101 through potential regulatory approval and pursue independent commercialization of STS101.

Accordingly, key elements of our revised business plan and strategy are as follows:

seek to complete the Offer and Merger on favorable terms under which SNBL will financially support and assume responsibility for completing development of and commercializing STS101;
minimize cash expenditures and continue to invest in and advance the STS101 development program only to the extent necessary to maintain its viability until such time as we may be able to complete the Offer and Merger. To this end, in March 2023, we filed an NDA with the FDA for STS101, and if the FDA accepts the NDA for substantive review, we anticipate the FDA action date for the STS101 NDA will be in January 2024; and
seek no further funding, as such funding, if available at all, would likely not be available on terms that would be acceptable or favorable to us.

There can be no assurance that we will be able to successfully execute our revised business plan and strategy, and in the event we are unable to timely complete the Offer and Merger on acceptable terms, we may be forced to discontinue development of STS101, withdraw the STS101 NDA and pursue other strategic alternatives, such as dissolution and wind-down.

Our net losses were $10.3 million and $15.5 million for the three months ended March 31, 2023 and 2022, respectively. As of March 31, 2023 we had an accumulated deficit of $222.1 million.

Since our inception in June 2016, we have invested substantially all of our efforts and financial resources in the development of STS101 for the acute treatment of migraine. We have incurred significant operating losses to date and we expect our operating expenses will decrease significantly as we complete the clinical development of STS101, refine the manufacturing processes and seek regulatory approval of STS101 with the filing of an NDA. In addition, until the completion of the Offer and Merger, we expect to continue to incur costs associated with operating as a public company and to maintain, protect and enforce our intellectual property portfolio.

In November 2022, we entered into an At-the-Market Sales Agreement (the “Virtu Sales Agreement”), with Virtu Americas LLC (“Virtu”), to sell shares of our common stock, from time to time, through an ATM equity offering program under which Virtu will act as its sales agent and pursuant to which we may sell common stock for aggregate gross sales proceeds of up to $100.0 million. The issuance and sale of shares of common stock by us pursuant to the Virtu Sales Agreement is deemed an ATM offering under the Securities Act of 1933, as amended. Virtu is entitled to compensation for its services equal to up to 3.0% of the gross proceeds of any shares of common stock sold through Virtu under the Virtu Sales Agreement. As of March 31, 2023, no shares of common stock have been sold pursuant to Virtu Sales Agreement.

We do not have any products approved for sale and have not generated any product revenue since our inception. Our ability to generate revenues will depend on the successful development of STS101 and eventual commercialization of STS101 by a third party. We do not intend to seek further funding, as we believe such funding, if available at all, would likely not be available on terms that would be acceptable or favorable to us.

As of March 31, 2023, we had cash, cash equivalents and marketable securities of $41.4 million. We believe our cash, cash equivalents and marketable securities would be insufficient to enable us to fund current operations for a period of one year or more from the issuance date of this Quarterly Report on Form 10-Q were we to continue to pursue development and commercialization of STS101. We believe that this raises substantial doubt about our ability to continue as a going concern. See “Organization and Summary of Significant Accounting Policies—Liquidity” in Note 1 to our condensed financial statements included elsewhere in this Quarterly Report on Form 10-Q for additional information on our assessment. If we are unable to timely complete the Offer and Merger on acceptable terms, we may be forced to discontinue development of STS101, withdraw the STS101 NDA and pursue other strategic alternatives, such as dissolution and wind-down.

 

Workforce Reduction

 

On March 27, 2023, our board of directors approved a plan to reduce our workforce by 9 employees, or approximately 36% of our headcount as of such date (the "Workforce Reduction"), in order to preserve cash and maximize the value of STS101 for a potential strategic transaction partner. In connection with the Workforce Reduction, the position of Detlef Albrecht, M.D., our Chief Medical Officer, with the Company was eliminated. We incurred aggregate charges in connection with the Workforce Reduction of

16


 

approximately $1.3 million, which relate primarily to severance payments and related continuation of benefits costs, all of which resulted in cash expenditures, along with the payment of approximately $0.2 million in accrued benefits including paid-time-off.

The foregoing estimates of the charges and expenditures that we expect to incur in connection with the Workforce Reduction, and the timing thereof, are subject to several assumptions and the actual amounts incurred may differ materially from these estimates. In addition, we may incur other charges or cash expenditures not currently contemplated due to unanticipated events that may occur, including in connection with the implementation of the Workforce Reduction.

As requested by Parent, the Company will terminate the employment of each of John Kollins, President and Chief Executive Officer of the Company, and Tom O’Neil, Chief Financial Officer of the Company, effective as of the closing of the Offer and the Merger (and subject to the occurrence of the closing of the Offer and Merger). Prior to the closing, such executive officers shall remain in their current positions with their current compensation. In connection to the Merger and in accordance with the Merger Agreement, each of the directors of the Company will resign as directors of the Company, effective as of the closing of the Offer and the Merger (and subject to the occurrence of the closing of the Offer and Merger).

Components of Operating Results

Operating Expenses

Research and Development Expenses

All of our research and development expenses consist of expenses incurred in connection with the development of STS101 for the acute treatment of migraine. These expenses include:

payroll and personnel-related expenses, including salaries, annual cash bonuses, employee benefit costs and stock-based compensation expenses for our research and product development employees;
fees paid to third parties to conduct preclinical and clinical studies and other research and development activities, including contract research organizations, or CROs, contract manufacturing organizations, or CMOs, consultants, and other service providers; and
costs for licenses and allocated overhead, including rent, equipment, depreciation, information technology costs and utilities.

We expense both internal and external research and development expenses as they are incurred. We have entered into various agreements with third party vendors and CMOs. Our research and development accruals are estimated based on the level of services performed, progress of the studies, including the phase or completion of events or tasks, and contracted costs. The estimated costs of research and development provided, but not yet invoiced, are included in accrued and other current liabilities on the balance sheet. If the actual timing of the performance of services or the level of effort varies from the original estimates, we adjust the accrual accordingly. Payments made to CROs and CMOs under these arrangements in advance of the performance of the related services are recorded as prepaid expenses and other current assets until the services are rendered. Nonrefundable payments made prior to the receipt of goods or services that will be used or rendered for future research and development activities are deferred and capitalized as prepaid expenses and other current assets on our balance sheet. The capitalized amounts are recognized as expense as the goods are delivered or the related services are performed.

As we continue the development of STS101, we expect that we and Parent, subsequent to the anticipated consummation of the Offer and Merger, will incur significantly lower research and development expenses due to decreased clinical trial expenses and as a result of the workforce reduction announced in March 2023. We expect that future research and development expenses will be incurred as we refine the STS101 manufacturing processes and seek regulatory approval of STS101. Predicting the timing or the cost to complete validation of commercial manufacturing and supply processes is difficult, and delays may occur because of many factors, including factors outside of our control. For example, if the FDA or other regulatory authorities were to require us to conduct clinical trials beyond those completed or if we experience delays in manufacturing with any of our CMOs, we could be required to expend significant additional financial resources and time on the completion of clinical development. Furthermore, we are unable to predict with certainty when or if STS101 will receive regulatory approval.

General and Administrative Expenses

General and administrative expenses consist principally of payroll and personnel expenses, including salaries, annual cash bonuses, benefits, and stock-based compensation expenses, professional fees for legal, consulting, accounting and tax services, directors and officers insurance, allocated overhead, including rent, equipment, depreciation, information technology costs, and

17


 

utilities, and other general operating expenses not otherwise classified as research and development expenses including expenses associated with pre-commercialization activities.

We anticipate that general and administrative expenses will decrease as the result of the workforce reduction announced in March 2023, and effective as of the closing of the Offer and the Merger (and subject to the occurrence of the closing of the Offer and Merger), and termination of pre-commercialization activities due to our decision not to pursue independent commercialization STS101. These costs consist of personnel costs, including salaries, benefits and stock-based compensation expenses, consulting, until the closing of the Offer and the Merger, legal and accounting services associated with maintaining compliance with stock exchange listing and Securities and Exchange Commission, or SEC, requirements, investor relations costs and director and officer insurance premiums associated with being a public company.

Interest Income

Interest income consists primarily of interest earned on our cash, cash equivalents and marketable securities.

Interest Expense

Interest expense consisted primarily of interest related to our long-term debt and accretion of debt discount, debt issuance costs and final payment.

Results of Operations

Comparison of the Three Months Ended March 31, 2023 and 2022

The following table summarizes our results of operations for the periods indicated (in thousands, except percentages):

 

Three Months Ended March 31,

 

 

 

 

 

2023

 

 

2022

 

 

Change

 

 

Change %

 

Operating expenses:

 

 

 

 

 

 

 

Research and development

$

7,459

 

 

$

11,556

 

 

$

(4,097

)

 

 

(35

)%

General and administrative

 

3,309

 

 

 

3,990

 

 

 

(681

)

 

 

(17

)%

Loss from operations

 

(10,768

)

 

 

(15,546

)

 

 

4,778

 

 

 

(31

)%

Interest income

 

474

 

 

 

40

 

 

 

434

 

 

 

1,085

%

Interest expense

 

 

 

 

 

(11

)

 

 

11

 

 

 

(100

)%

Net loss

$

(10,294

)

 

$

(15,517

)

 

$

5,223

 

 

 

(34

)%

Research and Development Expenses

Research and development expenses decreased from the three months ended March 31, 2022 to the three months ended March 31, 2023 primarily due to a decrease of $5.7 million in clinical trial costs, which was the net of a decrease of $4.6 million for the SUMMIT efficacy trial and $1.2 million for the ASCEND safety trial, offset by increase of $0.1 million for NDA preparation work, as well as a decrease of $0.2 million in payroll and personnel expenses partially offset by an increase of $0.9 million in severance payments due to the Workforce Reduction, and an increase of $0.9 million in manufacturing activities.

General and Administrative Expenses

General and administrative expenses decreased from the three months ended March 31, 2022 to the three months ended March 31, 2023 primarily due to a decrease of $0.2 million of payroll and personnel expenses, including salaries, benefits and stock-based compensation expenses, and a decrease of $0.8 million due to decreased pre-commercialization activity, partly offset by an increase of $0.3 million in severance payments due to the Workforce Reduction.

Interest Income

Interest income increased from the three months ended March 31, 2022 to the three months ended March 31, 2023 primarily as a result of the higher interest yields in the three months ended March 31, 2023, partly offset by a decrease in average balances of our cash, cash equivalents and marketable securities in the three months ended March 31, 2023.

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Liquidity and Capital Resources

Sources of Liquidity

We have historically financed our operations primarily through the issuance of common stock in our IPO, and private placements of equity securities and borrowings under our long-term debt facility. We have no products approved for sale, and we have not generated any revenue since inception. We expect to incur significant additional operating losses over at least the next several years.

In October 2020, we entered into the SVB Sales Agreement with SVB to sell shares of our common stock, from time to time, through an ATM equity offering program under which SVB acted as our sales agent and pursuant to which we could sell common stock for aggregate gross sales proceeds of up to $50.0 million. In September 2022, we received $9.7 million in net proceeds from the sale of shares of common stock pursuant to the SVB Sales Agreement. On October 26, 2022, we terminated the SVB Sales Agreement. As a result, the ATM equity offering facility under the SVB Sales Agreement is no longer available for use.

In November 2022, we entered into the Virtu Sales Agreement with Virtu to sell shares of our common stock, from time to time, through an ATM equity offering program under which Virtu will act as our sales agent and pursuant to which we may sell common stock for aggregate gross sales proceeds of up to $100.0 million.

In October 2018, we entered into the Loan Agreement with Silicon Valley Bank. The Loan Agreement provided for loan advances of up to $10.0 million. We drew down the first advance of $5.0 million as of the effective date of the Loan Agreement. The remaining $5.0 million under the facility was never drawn down and is no longer available for draw. Interest on the loan advances was payable monthly at a floating per annum rate equal to the greater of 1.5% above the prime rate and 6.5%. Upon the occurrence of an event of default, interest would increase to 5.0% above the rate that is otherwise applicable. Principal on the outstanding loan advance was repayable commencing on December 1, 2019 in 30 monthly payments through maturity. The maturity date of the loan advances was May 1, 2022.

In May 2022, we repaid our entire obligation under the Loan Agreement amounting to $0.4 million, including outstanding loan amount of $0.2 million and final payment of $0.2 million.

On March 10, 2023, the California Department of Financial Protection and Innovation closed Silicon Valley Bank and appointed the Federal Deposit Insurance Corporation ("FDIC") as receiver. On March 12, 2023, the U.S. Department of the Treasury, the Federal Reserve and the FDIC released a joint statement confirming that all depositors of Silicon Valley Bank would have access to all of their money after only one business day of closure, including funds held in uninsured deposit accounts. We received full access to the funds in our deposit and money market accounts on March 13, 2023. In light of actions by the federal government to fully protect deposit accounts, we believe that the impact on our liquidity is immaterial.

Future Funding Requirements

We have incurred net losses since our inception. Our net losses were $10.3 million and $15.5 million for the three months ended March 31, 2023 and 2022, respectively. We believe our cash, cash equivalents and marketable securities would be insufficient to enable us to fund current operations for a period of one year or more from the issuance date of this Quarterly Report on Form 10-Q were we to continue to pursue development and commercialization of STS101. We believe that this raises substantial doubt about our ability to continue as a going concern. See Note 1 to our condensed financial statements included elsewhere in this Quarterly Report on Form 10-Q for additional information on our assessment.

Based on our current plans and strategies, we anticipate our operating expenses will decrease as we do not plan to invest in commercializing STS101 and plan to complete the Offer and Merger. While less than historically incurred, on-going expenses will be required to continue development of STS101 to maintain its viability for SNBL.

We do not intend to pursue further funding and, instead, are seeking to complete the Offer and Merger with SNBL, who would fund further development and commercialization of STS101.

If we are unable to timely complete the Offer and Merger, we would likely terminate development of STS101, withdraw our NDA and pursue other strategic alternatives, such as dissolution and wind-down. See “Risk Factors” for additional risks associated with substantial capital requirements.

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Summary Statement of Cash Flows

The following table sets forth the primary sources and uses of cash and cash equivalents for each of the periods presented below (in thousands):

 

 

 

Three months ended March 31,

 

 

 

2023

 

 

2022

 

Net cash (used in) provided by:

 

 

 

 

 

 

Operating activities

 

$

(11,385

)

 

$

(14,317

)

Investing activities

 

 

14,482

 

 

 

20,341

 

Financing activities

 

 

 

 

 

(500

)

Net increase in cash and cash equivalents

 

$

3,097

 

 

$

5,524

 

Cash Flows Used in Operating Activities

Net cash used in operating activities was $11.4 million for the three months ended March 31, 2023. Cash used in operating activities was primarily due to the use of funds in our operations to develop STS101, which resulted in a net loss of $10.3 million, adjusted for a decrease in accrued and other current liabilities of $1.2 million, a decrease in accounts payable of $1.0 million, and net amortization of premiums and discounts on marketable securities of $0.2 million, which amounts were partially offset by a decrease in prepaid expenses and other assets of $0.3 million, and stock-based compensation expense of $1.1 million. The decrease in prepaid expenses and other assets, accrued and other current liabilities and accounts payable were primarily the result of the timing of payments to our vendors.

Net cash used in operating activities was $14.3 million for the three months ended March 31, 2022. Cash used in operating activities was primarily due to the use of funds in our operations to develop STS101, which resulted in a net loss of $15.5 million, adjusted for a decrease in accrued and other liabilities by $1.9 million, which amounts were partially offset by a decrease in prepaid expenses and other assets of $1.2 million, an increase in accounts payable of $0.3 million, stock-based compensation expense of $1.2 million, and net amortization of premiums and discounts on marketable securities of $0.3 million. The decrease in accrued and other liabilities and prepaid expenses and other assets and increase in accounts payable were primarily the result of the timing of payments to our vendors.

Cash Flows Provided by Investing Activities

Net cash provided by investing activities was $14.5 million for the three months ended March 31, 2023, which consisted of proceeds from maturities of marketable securities of $15.9 million, which amounts were partially offset by purchases of marketable securities of $1.4 million.

Net cash provided by investing activities was $20.3 million for the three months ended March 31, 2022, which consisted of proceeds from maturities of marketable securities of $22.4 million, which amounts were partially offset by purchases of marketable securities of $2.0 million.

Cash Flows Used in Financing Activities

Net cash used in financing activities was $0.5 million for the three months ended March 31, 2022, which primarily related to repayment of debt of $0.5 million.

Critical Accounting Policies, Significant Judgments and Estimates

Our unaudited interim condensed financial statements have been prepared in accordance with U.S. generally accepted accounting principles, or GAAP. The preparation of these unaudited interim condensed financial statements requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported expenses incurred during the reporting periods. Our estimates are based on our historical experience and on various other factors that we believe are reasonable under the circumstances, the results of which form the basis for making judgments about the carrying value of assets and liabilities that are not readily apparent from other sources.

Our critical accounting policies are described under the heading “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Critical Accounting Policies, Significant Judgments and Use of Estimates” in our Annual Report on Form 10-K for the year ended December 31, 2022. During the three months ended March 31, 2023, there were no material changes to our critical accounting policies from those discussed in the Annual Report on Form 10-K for the year ended December 31,

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2022. See Note 1 to the unaudited interim condensed financial statements appearing elsewhere in this Quarterly Report on Form 10-Q for related discussions on updates on recently issued accounting pronouncements.

JOBS Act Accounting Election

The Jumpstart Our Business Startups Act of 2012, or the JOBS Act, permits an “emerging growth company” such as us to take advantage of an extended transition period to comply with new or revised accounting standards applicable to public companies. We have elected to use this extended transition period under the JOBS Act. As a result, our financial statements may not be comparable to the financial statements of issuers who are required to comply with the effective dates for new or revised accounting standards that are applicable to public companies, which may make comparison of our financials to those of other public companies more difficult.

Recent Accounting Pronouncements

See “Organization and Summary of Significant Accounting Policies—Recent Accounting Pronouncements” in Note 1 to our unaudited interim condensed financial statements included elsewhere in this Quarterly Report on Form 10-Q.

Item 3. Quantitative and Qualitative Disclosures About Market Risk.

Interest Rate Sensitivity

As of March 31, 2023, we had cash, cash equivalents and marketable securities of $41.4 million, consisting of interest-bearing money market funds, investments in U.S. government agency bonds, corporate bonds and asset backed securities for which the fair value would be affected by changes in the general level of U.S. interest rates. However, due to the short-term maturities and the low-risk profile of our cash equivalents and marketable securities, an immediate 10% change in interest rates would not have a material effect on the fair value of our cash equivalents and marketable securities.

We do not believe that inflation, interest rate changes or exchange rate fluctuations have had a significant impact on our results of operations for any periods presented herein.

Item 4. Controls and Procedures.

Evaluation of Disclosure Controls and Procedures

Our management, with the participation of our Chief Executive Officer and Chief Financial Officer, evaluated, as of the end of the period covered by this Quarterly Report on Form 10-Q, the effectiveness of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”)). The term “disclosure controls and procedures,” as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act, means controls and other procedures of a company that are designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is accumulated and communicated to the company’s management, including its principal executive and principal financial officers, as appropriate, to allow timely decisions regarding required disclosure. Management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving their objectives and management necessarily applies its judgment in evaluating the cost-benefit relationship of possible controls and procedures. Due to the inherent limitations of control systems, not all misstatements may be detected. These inherent limitations include the realities that judgments in decision-making can be faulty and that breakdowns can occur because of a simple error or mistake. Based on that evaluation, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were effective at the reasonable assurance level as of March 31, 2023.

Changes in Internal Control over Financial Reporting

There were no changes in our internal control over financial reporting during the three months ended March 31, 2023, that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

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PART II—OTHER INFORMATION

Legal Proceedings

We are not currently involved in any litigation or legal proceedings that, in management’s opinion, are likely to have any material adverse effect on our company.

Item 1A. Risk Factors.

Our business involves significant risks, some of which are described below. You should carefully consider these risks, as well as the other information in this Quarterly Report on Form 10-Q, including our unaudited condensed financial statements and the related notes and “Management’s Discussion and Analysis of Financial Condition and Results of Operations.” The occurrence of any of the events or developments described below could have a material adverse effect on our business, results of operations, financial condition, prospects and stock price. Additional risks and uncertainties not presently known to us or that we currently deem immaterial may also impair our business operations.

Risks Related to the Offer and Merger

The Offer and Merger are subject to a number of conditions beyond our control. Failure to complete the Offer and the Merger within the expected time frame, or at all, could have a material adverse effect on our business, operating results, financial condition and our share price.

On April 16, 2023, we entered into the Merger Agreement, pursuant to which, and upon the terms and subject to the conditions thereof, Purchaser commenced the Offer to purchase each issued and outstanding share of common stock of the Company. Subject to the terms and conditions of the Merger Agreement, if certain conditions are satisfied and the Offer closes, Parent would acquire any remaining shares in connection with a merger of Purchaser with and into the Company, with the Company being the surviving corporation and a wholly-owned subsidiary of Parent. Consummation of the Offer is subject to certain conditions, including, the Company’s stockholders tendering a minimum number of shares of Company Common Stock in the Offer (the “Minimum Condition”), no governmental entity with competent jurisdiction having enacted, issued, promulgated, enforced or entered into any law or judgment that restrains, enjoins or otherwise prohibits the Merger (the “Governmental Entity Condition”) and us having a minimum net cash balance, as determined in accordance with the Merger Agreement (the “Net Cash Condition”).

We cannot predict whether and when the conditions to the Offer will be satisfied. If one or more of these conditions are not satisfied, and as a result, we do not complete the Offer and Merger, we would remain liable for significant transaction costs, and the focus of our management would have been diverted from seeking other potential strategic opportunities, in each case without realizing any benefits of the Offer and the Merger. Certain costs associated with the Offer and Merger have already been incurred or may be payable even if the Offer and Merger are not consummated. Finally, any disruptions to our business resulting from the announcement and pendency of the Offer and Merger, including any adverse changes in our relationships with our customers, partners, suppliers and employees, could continue or accelerate in the event that we fail to consummate the Offer and Merger.

Our share price may also fluctuate significantly based on announcements by SNBL, other third parties, or us regarding the Offer and Merger or based on market perceptions of the likelihood of the satisfaction of the Minimum Condition or other conditions to the consummation of the Offer and Merger. Such announcements may lead to perceptions in the market that the Offer and Merger may not be completed, which could cause our share price to fluctuate or decline. Other factors outside of our control, such as a governmental entity enacting legislation that prohibits the merger, could cause us not to satisfy the Governmental Entity Condition and thus the merger would not be consummated. Further, unforeseen and unexpected expenses could cause our net cash to be below the applicable threshold thus causing us to fail to satisfy the Net Cash Condition.

If we do not consummate the Offer and Merger, the price of our common stock may decline significantly from the current market price, which may reflect a market assumption that the Offer and Merger will be consummated. Any of these events could have

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a material adverse effect on our business, operating results and financial condition and could cause a decline in the price of our common stock.

The Offer consideration payable to holders of our common stock will not be adjusted for changes in our business, assets liabilities, prospects, outlook, financial condition or results of operations, or in the event of any change in our share price.

The Offer consideration payable to holders of our common stock will not be adjusted for changes in our business, assets, liabilities, prospects, outlook, financial condition or results of operations, or changes in the market price of, analyst estimates of, or projections relating to, our ordinary shares. For example, if we experienced an improvement in our business, assets, liabilities, prospects, outlook, financial condition or results of operations prior to the consummation of the Offer and Merger, there would be no adjustment to the amount of the proposed Offer consideration.

Our stockholders may not receive any payment on the CVRs and the CVRs may otherwise expire valueless.


If the Offer and the Merger are completed, the holders of our common stock will be entitled to receive one contingent value right per share of our common stock (a "CVR") representing the right to receive, subject to the terms and conditions of the contingent value rights agreement substantially in the form attached to the Merger Agreement (the "CVR Agreement"), additional payments based on the proceeds, subject to certain adjustments, received by Parent from (i) the sale, license or other grant of rights with respect to the STS101 program or any part thereof, (ii) the sale or disposition of all or substantially all of the business or assets of the Company (that exists immediately prior to the closing of the Merger), or (iii) the sale or disposition of all or substantially all of the equity of the Company or Purchaser. The CVRs will not be transferable, except in the limited circumstances specified in the CVR Agreement, will not have any voting or dividend rights, and interest will not accrue on any amounts potentially payable on the CVRs. Accordingly, the right of any of our stockholders to receive any future payment on or derive any value from the CVRs will be contingent solely upon the proceeds received by Parent, as outlined above, and if these events are not achieved for any reason within the time periods specified in the CVR Agreement, no payments will be made under the CVRs, and the CVRs will expire valueless.

The Merger Agreement contains provisions that could discourage a potential competing acquirer.

The Merger Agreement provides that, upon the terms and subject to the conditions thereof, the Company and its representatives cannot solicit or initiate discussions with third parties regarding other proposals to acquire the Company and we are subject to restrictions on our ability to respond to any such proposal, except as permitted under the terms of the Merger Agreement. In the event that we receive an acquisition proposal from a third party, we must notify Parent of such proposal and negotiate in good faith with Parent prior to terminating the Merger Agreement or effecting a change in the recommendation of our Board of Directors to our stockholders with respect to the Offer and Merger. The Merger Agreement also contains certain termination rights for Parent and us and further provides that, upon termination of the Merger Agreement under specified circumstances, including certain terminations in connection with an alternative business combination transaction as permitted by the terms of the Merger Agreement, we will be required to pay Parent a termination fee of $905,136. These provisions could discourage a potential third-party acquirer that might have an interest in acquiring all or a significant portion of us from considering or proposing that acquisition, even if it were prepared to pay consideration with a higher per share cash or market value than the market value proposed to be received or realized in the transaction. These provisions also might result in a potential third-party acquirer proposing to pay a lower price to our stockholders than it might otherwise have proposed to pay due to the added expense of the termination fee that may become payable in certain circumstances.

If the Merger Agreement is terminated and we determine to seek another business combination, we may not be able to negotiate a transaction with another party on terms comparable to, or better than, the terms of the Offer and Merger.

Stockholder litigation could prevent or delay the consummation of the Offer and Merger or otherwise negatively impact our business, operating results and financial condition.

We may incur additional costs in connection with the defense or settlement of existing and any future stockholder litigation in connection with the Offer and Merger. These lawsuits or other future litigation may adversely affect our ability to complete the Offer and Merger. We could incur significant costs in connection with any such litigation, including costs associated with the indemnification of our directors and officers. Furthermore, one of the conditions to the consummation of the Offer and Merger is the absence of any governmental order or law preventing the consummation of the Offer and Merger or making the consummation of the Offer and Merger illegal. Consequently, if a plaintiff were to secure injunctive or other relief prohibiting, delaying or otherwise

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adversely affecting our ability to complete the consummation of the Offer and Merger, then such injunctive or other relief may prevent the Offer and Merger from becoming effective within the expected time frame or at all.

Our executive officers and directors may have interests in the Offer and the Merger that are different from, or in addition to, those of our stockholders generally.

Our executive officers and directors may have interests in the Offer and the Merger that are different from, or are in addition to, those of our stockholders generally. These interests include direct or indirect ownership of our common stock and equity awards, the acceleration of equity awards upon consummation of the transactions and other interests. Such interests of our directors and executive officers are set forth in further detail in the Schedule 14D-9 filed by the Company with the SEC on May 5, 2023.

While the Offer and Merger is pending, we are subject to business uncertainties and contractual restrictions that could disrupt our business, and the Offer and Merger may impair our ability to attract and retain qualified employees or retain and maintain relationships with our suppliers and other business partners.

Whether or not the Offer and Merger are consummated, the Offer and Merger may disrupt our current plans and operations, which could have an adverse effect on our business and financial results. The pendency of the Offer and Merger may also divert management’s attention and our resources from ongoing business and operations and our employees and other key personnel may have uncertainties about the effect of the Offer and Merger, and the uncertainties may impact our ability to retain, recruit and hire key personnel while the Offer and Merger are pending or if it fails to close. Furthermore, if key personnel depart because of such uncertainties, or because they do not wish to remain with the combined company after the consummation of the Offer and Merger, our business and results of operations may be adversely affected. In addition, we cannot predict how our suppliers and other business partners will view or react to the Offer and Merger upon consummation. If we are unable to reassure our suppliers and other business partners to continue transacting business with us, our financial condition and results of operations may be adversely affected.

In addition, the Merger Agreement generally requires us to operate in the ordinary course of business consistent with past practice, pending consummation of the Offer and Merger, and restricts us from taking certain actions with respect to our business and financial affairs without Parent’s consent. Such restrictions will be in place until either the Offer and Merger are consummated or the Merger Agreement is terminated. These restrictions could restrict our ability to, or prevent us from, pursuing attractive business opportunities (if any) that arise prior to the consummation of the Offer and Merger. For these and other reasons, the pendency of the Offer and Merger could adversely affect our business, operating results and financial condition.

We have incurred, and will continue to incur, direct and indirect costs as a result of the Offer and Merger.

We have incurred, and will continue to incur, significant costs and expenses, including fees for professional services and other transaction costs, in connection with the Offer and Merger, including costs that we may not currently expect. We must pay substantially all of these costs and expenses whether or not the transaction is completed. If the Merger Agreement is terminated under specified circumstances, we would be required to pay to Parent a termination fee equal to $905,136. There are a number of factors beyond our control that could affect the total amount or the timing of these costs and expenses.

Risks Related to Our Business

We do not plan to independently commercialize STS101 in the event that our STS101 new drug application (NDA), which we submitted to the FDA in March 2023, is approved. If we are unable to timely complete the Offer and Merger we would likely terminate development of STS101, withdraw our NDA and pursue other strategic alternatives, such as dissolution and wind-down. Moreover, we have incurred significant losses since our inception, and we anticipate that we will continue to incur significant losses for the foreseeable future, which, together with our limited operating history, make it difficult to assess our prospects.

Biopharmaceutical product development is a highly speculative undertaking and involves a substantial degree of risk. We are a development-stage biopharmaceutical company, and we have only a limited operating history upon which you can evaluate our business and prospects. We have limited experience and have not yet demonstrated an ability to successfully overcome many of the risks and uncertainties frequently encountered by companies in new and rapidly evolving fields, particularly in the pharmaceutical industry.

We are focused on developing a single therapeutic product, STS101 (dihydroergotamine (DHE) nasal powder) for the acute treatment of migraine. We have no products approved for commercial sale, have not generated any revenue from product sales and have incurred losses in each year since our inception in June 2016. We do not plan to independently commercialize STS101 in the event that our STS101 new drug application (NDA), which we submitted to the FDA in March 2023, is approved, and we seek to

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complete the Offer and Merger. If we are unable to timely complete the Offer and Merger, we would likely terminate development of STS101, withdraw our NDA and pursue other strategic alternatives, such as dissolution and wind-down.

In November 2022, we announced topline data from the SUMMIT trial, which randomized approximately 1,600 migraine subjects to STS101 5.2 mg dose or placebo. Although STS101 showed favorable numerical differences versus placebo on the pre-specified co-primary endpoints of freedom from pain and freedom from most bothersome symptom (from among photophobia, phonophobia and nausea) at the two-hour, post-administration timepoint, these differences did not achieve statistical significance. In January 2023, we completed the ASCEND trial, and in March 2023 we submitted an NDA to the FDA seeking approval of STS101 for the acute treatment of migraine, with or without aura, via the 505(b)(2) regulatory pathway.

We have limited experience as a company in submitting applications for regulatory approvals, such as an NDA. We do not plan to independently commercialize STS101 and our plan is to complete the Offer and Merger. There can be no assurance that we will timely complete the Offer and Merger prior to exhausting our financial resources or that the terms of any such transaction will be favorable.

We have had significant operating losses since our inception. Our net losses for the three months ended March 31, 2023 and 2022 were approximately $10.3 million and $15.5 million, respectively. As of March 31, 2023, we had an accumulated deficit of 222.1 million. Substantially all of our losses have resulted from expenses incurred in connection with the development of STS101 and general and administrative costs associated with our operations.

We expect to continue to incur losses for the foreseeable future as we continue to develop STS101 and seek to complete the Offer and Merger. Our prior losses, combined with expected losses, have had and will continue to have an adverse effect on our stockholders’ equity and working capital.

Our financial condition raises substantial doubt as to our ability to continue as a going concern.

Our financial statements have been prepared assuming that we will continue to operate as a going concern, which contemplates the realization of assets and the satisfaction of liabilities in the normal course of business. We believe our cash, cash equivalents and marketable securities would be insufficient to enable us to fund current operations for a period of one year or more from the issuance date of this Annual Report on Form 10-K were we to continue to pursue development and commercialization of STS101. We expect to continue to incur net operating losses as we continue our development efforts and seek to complete the Offer and Merger.

These conditions raise substantial doubt about our ability to continue as a going concern. Additionally, our independent registered public accounting firm has included in its audit opinion for the year ended December 31, 2022 an explanatory paragraph that there is substantial doubt as to our ability to continue as a going concern. We do not believe that funding will be available to us, will be obtained on terms favorable to us or will provide us with sufficient funds to meet our objectives. We do not plan to raise additional financing, and our failure to complete the Offer and Merger may adversely impact our ability to achieve our intended business objectives and could force us to consider other strategic alternatives such as wind-down and dissolution. The reaction of investors to the inclusion of a going concern statement by our auditors and our potential inability to continue as a going concern may materially adversely affect our share price and our ability to timely complete the Offer and Merger. If we become unable to continue as a going concern, we may have to liquidate our assets and the values we receive for our assets in liquidation or dissolution could be significantly lower than the values reflected in our financial statements.

We would require substantial additional financing to continue operations. We do not plan to raise additional financing as we believe it is unlikely that we would be able to raise substantial additional funds on favorable terms. If we are unable to timely complete the Offer and Merger we will likely be forced to terminate development of STS101, withdraw our NDA and pursue other strategic alternatives, such as dissolution and wind-down.

We believe our cash, cash equivalents and marketable securities would be insufficient to enable us to fund current operations for a period of one year or more from the issuance date of this Annual Report on Form 10-K were we to continue to pursue development and commercialization of STS101. Accordingly, our financial statements have been prepared on a going concern basis, which contemplates the continuity of operations, realization of assets and the satisfaction of liabilities and commitments in the ordinary course of business. Our operating plans may change as a result of many factors currently unknown to us, and our resources may not be sufficient to fund operations until completion of the Offer and Merger. It is unlikely that adequate funding would be available to us on acceptable terms, or at all, particularly in light of the current economic uncertainty and potential local and/or global economic recession, and we may be forced to terminate development of STS101 or pursue other strategic alternatives such as dissolution and wind-down. We do not expect to provide any meaningful economic benefits to our stockholders unless we are able to timely complete the Offer and Merger.

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We do not plan to raise additional funds through the issuance of equity, equity-linked or debt securities, as those securities would likely have rights, preferences or privileges senior to those of our common stock, and our existing stockholders would likely experience significant dilution. Any debt financing secured by us in the future would likely require that a substantial portion of our operating cash flow and/or cash assets be devoted to the payment of interest and principal on such indebtedness, which would decrease available funds for other business activities, and likely involve restrictive covenants relating to our capital-raising activities and other financial and operational matters, which would make it more difficult for us to obtain additional capital and to pursue business opportunities. Because we believe that we would be unable to obtain additional financing on favorable terms, if at all, our ability to grow our business or respond to competitive pressures or unanticipated requirements is limited, which may seriously harm our business.

Our future capital requirements, our ability to complete any strategic transaction, and the potential economic benefits that may accrue to us pursuant to the Offer and Merger depend on many factors, including:

the cost, timing and outcome of regulatory review of STS101;
scope and costs of manufacturing development and commercial manufacturing activities;
the costs of preparing, filing and prosecuting patent applications, maintaining and enforcing our intellectual property rights and defending intellectual property-related claims;
any product liability or other lawsuits related to STS101;
our ability to retain qualified personnel, including personnel to support the continued development of STS101;
our ability to conclude the Offer and Merger;
the costs associated with being a public company until completion of the Offer and Merger; and
the timing, receipt and amount of payments, if any, generated by upfront, milestone or royalty payments under any strategic transaction that we or Parent may be able to conclude.

It is unlikely that additional funds would be available, should we need them, on terms that would be acceptable to us, or at all. If we are unable to timely complete the Offer and Merger, we would likely be required to:

terminate the STS101 development program and withdraw the STS101 NDA filing;
delay, limit, reduce or terminate our efforts to establish manufacturing capabilities or other activities that may be necessary for a third party to commercialize STS101; or
pursue other strategic alternatives, such as dissolution and wind-down.

To date, we have funded our operations through private placements of convertible preferred stock, a convertible promissory note, long-term debt, and common stock. We do not anticipate raising additional funds, and our current funds may not be sufficient for us to fund the company until such time as we are able to complete the Offer and Merger. Were we to change our plans and seek to raise additional funds, our ability to raise such funds will depend on financial, economic and other factors, many of which are beyond our control. If we raise additional funds by issuing equity securities, including pursuant to the Virtu Sales Agreement, our stockholders would likely suffer significant dilution and the terms of any financing may adversely affect the rights of our stockholders. In addition, as a condition to providing additional funds to us, future investors may demand, and may be granted, rights superior to those of existing stockholders. Debt financing, if available, is likely to involve restrictive covenants limiting our flexibility in conducting future business activities, and, in the event of insolvency, debt holders would be repaid before holders of our equity securities received any distribution of our corporate assets.

There can be no assurance that we can timely complete the Offer and Merger, or any other transaction, prior to exhausting our financial resources or that the terms of any such other transaction will be favorable.

 

It is likely that we will need to complete the Offer and Merger to continue the development of STS101. Despite our board of directors and management team having devoted and continuing to devote substantial time and resources to the consideration and implementation of the Offer and Merger, there is substantial risk that we may not be able to timely complete the Offer and Merger due to a variety of factors.. The failure to timely complete the Offer and Merger would likely materially and adversely affect our business and force us to terminate development of STS101, withdraw our NDA and consider other strategic alternatives, such as dissolution and wind-down. If we failed to timely complete the Offer and Merger, there would likely be significant risks associated with pursuing another transaction. For example, conditions in the financial markets may lead to an increased number of biotechnology companies that are also seeking to enter into strategic transactions, which may limit our ability to find a suitable transaction counterparty or

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negotiate favorable terms for any such transaction. Further, our current employees have limited experience with strategic transaction processes.

The terms of the Merger Agreement and CVR Agreement provide that significant payments to our stockholders are contingent upon the monetization of STS101 and/or achievement of certain milestones. The failure of STS101 to achieve any such milestones, and any failure to receive such payments, would have a material adverse impact on the consideration ultimately received by our stockholders.

Even if we are able to timely conclude the Merger, certain payments to our stockholders are contingent upon STS101 approval and SNBL achieving certain aggregate cumulative net proceeds as specified in the CVR Agreement. There can be no assurance that our STS101 NDA will be approved or that STS101 will achieve sufficient aggregate cumulative net proceeds such that our stockholders would be eligible to receive such contingent payments. Failure to receive such payments would have a material adverse impact on the consideration ultimately received by our stockholders.

We, or SNBL, may fail to timely obtain regulatory approval for STS101 under applicable regulatory requirements. The denial or delay of any such approval would prevent or delay commercialization of STS101 and could adversely affect potential economic returns to us and our stockholders.

We as a company have limited experience submitting an NDA or any other marketing application to the FDA or similar filings to comparable foreign regulatory authorities, and SNBL may also have similar limited experience. An NDA or other similar regulatory filing requesting approval to market a product candidate must include extensive preclinical and clinical data and supporting information to establish that the product candidate is safe, effective, pure and potent for each desired indication. The NDA or other similar regulatory filing must also include significant information regarding the chemistry, manufacturing and controls for the product. After receiving an NDA submission, the FDA conducts a preliminary review of the NDA and within 60 days of the receipt of the NDA submission either formally accepts the NDA submission for substantive review or issues a Refusal to File Letter detailing the deficiencies in the NDA submission that preclude the FDA from undertaking a substantive review.

The research, testing, manufacturing, labeling, approval, sale, marketing and distribution of pharmaceutical products are subject to extensive regulation by the FDA and other regulatory authorities in the United States and other countries, and such regulations differ from country to country. The FDA and applicable foreign regulatory authorities will no permit marketing of STS101 in the United States or in any foreign countries until it receives the requisite approval from the applicable regulatory authorities of such jurisdictions.

The FDA or any foreign regulatory bodies can delay, limit or deny approval of STS101 for many reasons, including:

the FDA could determine that our STS101 NDA, which we submitted in March 2023, is not sufficiently complete to permit a substantive review and issue a Refusal to File Letter to us or SNBL, the receipt of which would delay approval of STS101 and could adversely affect our ability to complete the Potential Offer and Merger and our ability to receive potential future economic benefits;
our inability, or the inability of SNBL, to demonstrate to the satisfaction of the FDA or the applicable foreign regulatory body that STS101 is safe and effective for the requested indication;
the FDA’s or the applicable foreign regulatory agency’s disagreement with our trial protocol or the interpretation of data from preclinical studies or clinical trials;
our inability, or the inability of SNBL, to demonstrate that the clinical and other benefits of STS101 outweigh any safety or other perceived risks;
the FDA’s or the applicable foreign regulatory agency’s requirement for additional preclinical studies or clinical trials;
the FDA’s or the applicable foreign regulatory agency’s non-approval of the formulation, labeling or specifications of STS101;
the FDA’s or the applicable foreign regulatory agency’s failure to approve our manufacturing processes and facilities or the facilities of third-party manufacturers upon which we rely;
the potential for approval policies or regulations of the FDA or the applicable foreign regulatory agencies to significantly change in a manner rendering our clinical data insufficient for approval; or
if the FDA determines that STS101 lies within the scope of the non-patent exclusivity for new clinical investigations granted to Impel Pharmaceuticals’ Trudhesa (DHE liquid nasal spray) and as a result postpones approving STS101 until after expiration of the Trudhesa non-patent exclusivity period on September 2, 2024. Although we do not believe that STS101 lies within the scope of the non-patent exclusivity granted for Trudhesa, we cannot be certain that the FDA will

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not determine otherwise and postpone final approval of STS101 until expiration of the Trudhesa non-patent exclusivity period on September 2, 2024.

Of the large number of pharmaceutical products in development, only a small percentage successfully complete the FDA or other regulatory bodies’ approval processes and are commercialized.

Even if STS101 eventually receives approval from the FDA or applicable foreign agencies, the FDA or the applicable foreign regulatory agency may grant approval contingent on the performance of costly additional clinical trials, which may be required after approval. The FDA or the applicable foreign regulatory agency also may approve STS101 for a more limited indication or a narrower patient population than we originally requested, and the FDA or applicable foreign regulatory agency, may not approve it with the labeling that we believe is necessary or desirable for its successful commercialization.

In addition, because migraine affects adolescents (12 to 17 years of age) and children (6 to 11 years of age), pediatric studies are required under the Federal Food, Drug, Cosmetic Act, or the FDCA. To address such requirements, we designed an initial pediatric study plan, or iPSP, consistent with the FDA guidance Migraine: Developing Drugs for Acute Treatment (February 2018). We have received agreement from the FDA on this plan, which the FDA has agreed may be initiated after completing development of STS101 for acute treatment of migraine in adults.

Any delay in obtaining, or inability to obtain, applicable regulatory approval would delay or prevent commercialization of STS101 and could materially adversely impact our prospects for economic return from the Merger.

Although STS101 has generally been well-tolerated in our clinical trials to date, with low adverse event rates reported, if unacceptable side effects arise in any STS101 trials that may be conducted in the future, the Commercializing Party, or the FDA, or the IRBs at the institutions in which STS101 studies are conducted could suspend or terminate any future STS101 clinical trials or the FDA or comparable foreign regulatory authorities could order cessation of clinical trials or deny approval of STS101 for its targeted indications.

Treatment-related side effects in STS101 clinical trials or in the use of approved DHE products could also affect subject recruitment or the ability or willingness of enrolled subjects to complete any STS101 clinical trials, and/or result in potential product liability claims. In addition, if undesirable side effects caused by other available DHE products or DHE products in development, the development and successful commercialization of STS101, if approved, could be negatively affected. The active pharmaceutical ingredient in STS101 (DHE) is contraindicated for patients with certain pre-existing conditions and the labels of approved DHE products warn against use by patients with cardiovascular risk factors. These contraindications and warnings could limit the use of STS101 following marketing approval, if approved, or cause undesirable side effects in individuals who use STS101 despite these warnings. For example, we received a single report of a treatment-related serious adverse event in an ASCEND trial participant. This adverse event was consistent with a side effect described in prescribing information for DHE and other vasoconstrictive agents, such as triptans. The adverse event occurred following the subject’s sixth use of study medication, and no further occurrences were reported with six subsequent uses of study medication by the subject. Investigation determined the subject’s medical history, which the subject did not disclose to the trial site, included DHE contraindications and fulfilled key trial exclusion criteria that are disqualifying for trial participation. In addition, approved DHE products carry a “black box” warning in their labels for a risk that the coadministration of DHE and certain other drugs, including specific antivirals and antibiotics, may result in elevated levels of DHE in the blood, potentially causing vasospasm that may result in inadequate blood flow to the extremities or the brain. While we believe that the coadministration of STS101 and certain other drugs does not result in clinically significant drug-drug interactions, the FDA may still require the label for STS101, if approved, to include such warning, and this could result in STS101 not achieving its full commercial potential. Treatment-related side effects in STS101 clinical trials or in the use of approved DHE products could also affect subject recruitment or the ability of enrolled subjects to complete any future STS101 clinical trials or result in potential product liability claims.

If STS101 receives marketing approval and undesirable side effects caused by STS101 or by other DHE products are subsequently identified, a number of potentially significant negative consequences could result, including:

regulatory authorities may withdraw their approval of STS101;
the Commercializing Party may be required to recall the STS101 or change the way it is administered to patients;
additional restrictions may be imposed on the marketing of the STS101 or the manufacturing processes for STS101 or any component thereof;
regulatory authorities may require the addition of labeling statements, such as a “black box” warning or a contraindication similar to those that are currently included with the labels of DHE products;
the Commercializing Party may be required to implement a Risk Evaluation and Mitigation Strategy beyond the creation of a Medication Guide outlining the risks of such side effects for distribution to patients;
we could be sued and held liable for harm caused to patients;

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STS101 may become less competitive; and
our reputation may suffer.

Any of the foregoing events could prevent STS101 from achieving or maintaining market acceptance, if approved, and adversely affect potential economic returns to us pursuant to the Merger.

Even if STS101 obtains regulatory approval, it may fail to achieve broad market acceptance.

Even if STS101 receives FDA or other regulatory approvals, its commercial success will depend significantly on the extent to which it is adopted, prescribed by physicians and used by patients. The degree of market acceptance of STS101, if approved, will depend on a number of factors, including:

the safety and efficacy of STS101 as compared to other available acute therapies for treatment of migraine;
patient satisfaction with the results and administration of STS101 and overall treatment experience, including, the ease and convenience of administration of STS101;
the clinical indications for which STS101 is approved and patient demand for approved products that treat those indications;
the ability to manufacture and release adequate commercial supplies on a timely basis;
the availability of coverage and adequate reimbursement from managed care plans, private insurers, government payors (such as Medicare and Medicaid) and other third-party payors for STS101;
the cost of treatment with STS101 in relation to alternative treatments and patients’ willingness to pay out-of-pocket for the product, if approved, in the absence of coverage and/or adequate reimbursement from third-party payors;
acceptance by physicians, operators of hospitals and clinics and patients of the product as a safe, effective and easy to administer treatment;
physician and patient willingness to adopt a new therapy over other available preventive and acute therapies for treatment of migraine;
the prevalence and severity of side effects;
limitations or warnings contained in the FDA-approved labeling for STS101, such as a “black box” warning or a contraindication similar to those that are currently included with the labels of DHE products;
the willingness of physicians, operators of hospitals and clinics and patients to utilize or adopt STS101 as a solution, particularly in light of STS101’s failure to demonstrate statistically significant effectiveness on the co-primary outcome measures in our EMERGE and SUMMIT trials;
the effectiveness of the STS101 sales, marketing and distribution efforts;
adverse publicity about STS101 or favorable publicity about competitive products;
patients’ willingness to take a dry-powder intranasal medication;
potential product liability claims; and
global economic, market and industry conditions, including economic slowdowns, recessions, inflationary pressures, rising interest rates, financial market fluctuations, and reduced credit availability.

We cannot assure you that STS101, if approved, will achieve broad market acceptance among physicians and patients. Any failure by STS101, if approved, to achieve market acceptance or commercial success could adversely affect potential economic returns to us pursuant to the Merger.

Even if STS101 obtains regulatory approval, the ability of the party that ultimately commercializes STS101, whether that is SNBL, us or a third party (the Commercializing Party), to market and promote STS101 may be limited by FDA-approved labeling.

The commercial success of STS101 will likely depend in part upon STS101 receiving sufficiently differentiated FDA-approved product labeling, as compared to other products for migraine. The failure to achieve FDA approval of product labeling containing differentiated information could impair its commercial prospects by preventing advertising and promotion of what we believe are the

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key features of STS101. As a result, this could impair adoption and prescribing by physicians, favorable pricing or adequate coverage, reimbursement levels by third-party payors and the ability of the Commercializing Party to facilitate broad product trial. This would make STS101 less competitive in the market and consequentially may adversely affect potential economic returns to us pursuant to the Merger.

We face significant competition in an environment of rapid technological and scientific change, and STS101, if approved, will face significant competition. The failure of STS101 to effectively compete may prevent STS101, if approved, from achieving significant market penetration. Many competitors in the migraine field have significant resources that may be greater than those of the Commercializing Party and as a result the Commercializing Party may not be able to successfully compete.

The biotechnology and pharmaceutical industries in particular are characterized by rapidly advancing technologies, intense competition and a strong emphasis on developing proprietary therapeutics. Numerous companies are engaged in the development, patenting, manufacturing and marketing of healthcare products competitive with STS101. The Commercializing Party will face competition from a number of sources, such as pharmaceutical companies, generic drug companies, biotechnology companies and academic and research institutions, many of which have greater financial resources, marketing capabilities, sales forces, manufacturing capabilities, research and development capabilities, clinical study expertise, intellectual property portfolios, experience in obtaining patents and regulatory approvals for drug candidates and other resources. Some of the companies that offer competing products also have a broad range of other product offerings, large direct sales forces and long-term customer relationships with target physicians for STS101, which could inhibit efforts to penetrate the market with STS101. Mergers and acquisitions in the pharmaceutical industry may result in even more resources being concentrated among a smaller number of competitors. Smaller or early-stage companies may also prove to be significant competitors, particularly through collaborative arrangements with large and established companies. These competitors also compete in recruiting and retaining qualified scientific and management personnel and establishing clinical study sites and patient registration for clinical studies, as well as in acquiring technologies complementary to, or necessary for, successful development and commercialization of STS101.

Certain alternative treatments offered by competitors may be available at lower prices and may offer greater efficacy or better safety profiles. Furthermore, currently approved products could be discovered to have application for treatment of migraines generally, which could give such products significant regulatory and market timing advantages over STS101. Competitors also may obtain FDA, EMA or other regulatory approval for their products more rapidly than STS101 obtains approval and may obtain orphan product exclusivity from the FDA for indications that may be targeted in the future with STS101, which could result in such competitors establishing a strong market position before STS101 is able to enter the market. Even if a generic product is less effective than STS101, it may be more quickly adopted by physicians and patients than STS101 based upon cost or convenience.

The successful commercialization of STS101 by the Commercializing Party will depend in part on the extent to which governmental authorities, private health insurers, and other third-party payors provide coverage, adequate reimbursement levels and implement pricing policies favorable for it. Failure to obtain or maintain coverage and adequate reimbursement for STS101, if approved, could limit the ability of the Commercializing Party to market it and thereby decrease its ability to generate revenue.

The availability of coverage and adequacy of reimbursement by managed care plans, governmental healthcare programs, such as Medicare and Medicaid, private health insurers and other third-party payors are essential for most patients to be able to afford medical services and pharmaceutical products that receive FDA approval. The Commercializing Party’s ability to achieve acceptable levels of coverage and reimbursement for STS101 by third-party payors will have an effect on the ability to successfully commercialize it. A decision by a third-party payor not to cover or separately reimburse for STS101, could reduce physician utilization if approved. Assuming there is coverage for STS101 by a third-party payor, the resulting reimbursement payment rates may not be adequate or may require co-payments that patients find unacceptably high. We cannot be sure that coverage and reimbursement in the United States, the European Union or elsewhere will be available for STS101 and any reimbursement that may become available may not be adequate or may be decreased or eliminated in the future.

Moreover, increasing efforts by governmental and other third-party payors in the United States and abroad to cap or reduce healthcare costs have resulted in increasing challenges to prices charged for pharmaceutical products and services, and many third-party payors may refuse to provide coverage and adequate reimbursement for particular drugs when an equivalent generic drug, biosimilar or a less expensive therapy is available. It is possible that a third-party payor may consider STS101 as substitutable and only offer to reimburse patients for the less expensive product, if any. For example, there are currently generic versions of both DHE liquid nasal spray products and DHE injectable products, with which STS101 may compete. Even if STS101 demonstrates improved efficacy or improved convenience of administration, pricing of existing third-party therapeutics may limit the amount that the Commercializing Party will be able to charge for it. These third-party payors may deny or revoke the reimbursement status of STS101, if approved, or establish prices for it at levels that are too low to enable the Commercializing Party to realize an appropriate return on

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its investment. If reimbursement is not available or is available only at limited levels, the Commercializing Party may not be able to successfully commercialize STS101.

No uniform policy for coverage and reimbursement for products exists among third-party payors in the United States. Therefore, coverage and reimbursement for products can differ significantly from payor to payor. As a result, the coverage determination process is often a time-consuming and costly process that may require the Commercializing Party to provide scientific and clinical support for the use of STS101 to each payor separately, with no assurance that coverage and adequate reimbursement will be applied consistently or obtained in the first instance. Furthermore, rules and regulations regarding reimbursement change frequently, in some cases on short notice, and we believe that changes in these rules and regulations are likely.

Outside the United States, international operations are generally subject to extensive governmental price controls and other market regulations, and we believe the increasing emphasis on cost-containment initiatives in Europe and other countries will likely put pressure on the pricing and usage of medical products. In many countries, the prices of medical products are subject to varying price control mechanisms as part of national health systems. Other countries allow companies to fix their own prices for medical products, but monitor and control company profits. Additional foreign price controls or other changes in pricing regulation could restrict the amount that the Commercializing Party is able to charge for STS101. Accordingly, in markets outside the United States, the reimbursement for STS101 may be reduced compared with the United States, may be insufficient to generate commercially-reasonable revenue and profits or may not be sufficient to justify commercialization of STS101 in such markets.

Our business is entirely dependent on the successful development, regulatory approval and commercialization of STS101, our only product candidate under development. Failure to successfully develop, receive regulatory approval for and commercialize STS101 would adversely affect potential economic returns to us pursuant to the Merger.

We have invested substantially all of our efforts and financial resources in the development of STS101 for the acute treatment of migraine, which has not been approved for sale or commercial use. Currently, STS101 is our only product candidate and we have not licensed, acquired, or invented any other product candidates for pre-clinical or clinical evaluation. This may make an investment in our company riskier than similar companies that have multiple product candidates in active development and that therefore may be able to better sustain a failure of a lead candidate. The success of our business, in particular our ability to provide future economic benefits to our stockholders pursuant to a potential strategic transaction, will depend entirely on the successful development, regulatory approval and commercialization, by the Commercializing Party, of STS101, which may never occur and which we do not plan to control under the Merger.

As we continue development of STS101 and pursue completion of the Offer and Merger, we will continue to incur significant development expenses, as we seek to advance STS101 toward manufacturing and regulatory approval, and prepare for commercialization of STS101, if approved, by the Commercializing Party. If we are unable to complete the Offer and Merger, we do not plan to advance STS101 through regulatory approval and, given that we do not plan to raise additional funds that would be required to successfully commercialize STS101, we would likely be forced to terminate development of STS101 and pursue other strategic alternatives, such as dissolution and wind-down. Moreover, our clinical development program for STS101 may not lead to regulatory approval from the FDA and similar foreign regulatory agencies if our STS101 NDA fails to convince the FDA that our clinical trials and the clinical trials of others that we have referenced in our 505(b)(2) NDA demonstrate that STS101 is safe and effective, and therefore STS101 may fail to be commercialized. The challenge of establishing STS101 as being safe and effective may be even more difficult given the failure of STS101 to demonstrate statistically significant effects as compared to placebo on the co-primary endpoints of our EMERGE and SUMMIT trials. Even if approved, STS101 may fail to obtain differentiated product labeling for STS101 as compared to other available products for migraine and, as a result, the commercial prospects for STS101 may be impaired. Any failure to obtain regulatory approval of STS101 would likely have a material and adverse impact on our ability to receive economic returns pursuant to the Merger. Even if STS101 successfully obtains regulatory approvals that permit marketing of the product, its revenue will be dependent, in part, upon the size of the markets in the territories regulatory approvals are granted. If the targeted markets or patient subsets are not as significant as we estimate, sales of STS101 may not generate significant revenues, even if approved, adversely affecting potential economic returns to us pursuant to the Merger.

The commercial success of STS101 may depend on a number of factors, including the following:

our ability to complete the Offer and Merger;
the capabilities, resources and performance of the Commercializing Party;
whether the FDA or similar foreign regulatory agencies require additional clinical trials or other studies beyond those planned to support approval of STS101;
the ability of our contract manufacturing partners to consistently manufacture STS101 on a timely basis;

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the Commercializing Party, as well as any third-party contractors, to remain in good standing with regulatory agencies and develop, validate and maintain commercially viable manufacturing processes that are compliant with current good manufacturing practices, or cGMPs;
the ability to demonstrate to the satisfaction of the FDA and similar foreign regulatory authorities the safety, efficacy and acceptable risk-benefit profile of STS101;
the prevalence, duration and severity of potential side effects or other safety issues experienced with STS101;
the timely receipt of necessary marketing approvals from the FDA and similar foreign regulatory authorities;
achieving and maintaining, and, where applicable, ensuring that third-party contractors achieve and maintain, compliance with our contractual obligations and with all regulatory requirements applicable to STS101;
the differentiation of STS101 from other available DHE products and other acute treatments of migraine, and the willingness of physicians, operators of hospitals and clinics and patients to adopt and utilize STS101;
the ability of the Commercializing Party to successfully develop a commercial strategy and thereafter commercialize STS101 in the United States and internationally, if approved for marketing, sale and distribution in such countries and territories, whether alone or in collaboration with a partner or partners;
the availability of coverage and adequate reimbursement from managed care plans, private insurers, government payors (such as Medicare and Medicaid and similar foreign authorities) and other third-party payors for STS101;
patients’ willingness to pay out-of-pocket for STS101 in the absence of coverage and/or adequate reimbursement from third-party payors;
the convenience of the administration of STS101;
acceptance by physicians, payors and patients of the benefits, safety and efficacy of STS101, if approved;
patient demand for STS101, if approved;
the ability to establish and enforce intellectual property rights in and to STS101; and
the ability to avoid third-party patent interference, intellectual property challenges or intellectual property infringement claims.

These factors, many of which are, or will be, beyond our control, could lead to significant delays or an inability to obtain regulatory approvals for or commercialize STS101. Even if regulatory approvals are obtained, the Commercializing Party may never be able to successfully commercialize STS101, adversely affecting potential economic returns to us pursuant to the Merger. In addition, disruptions caused by the COVID-19 pandemic may increase the likelihood that difficulties or delays are encountered in initiating, enrolling, conducting or completing future STS101 clinical trials.

While the scope of regulatory approval generally is similar in other countries, in order to obtain separate regulatory approval in other countries it is necessary to comply with numerous and varying regulatory requirements of such countries regarding safety and efficacy. Other countries also have their own regulations governing, among other things, requirements for nonclinical studies, clinical trials and commercial sales, as well as pricing and distribution of STS101, and the Commercializing Party may be required to expend significant resources to obtain regulatory approval and to comply with ongoing regulations in these jurisdictions. Regulatory approval in one country does not ensure regulatory approval in another, but a failure or delay in obtaining regulatory approval in one country may have a negative effect on the regulatory process in others.

STS101 failed to demonstrate a statistically significant difference as compared to placebo on either of the co-primary endpoints in our EMERGE and SUMMIT efficacy trials.

In September 2020, we announced topline data from the EMERGE Phase 3 efficacy trial. Although topline data showed numerical differences in favor of STS101 3.9 mg and 5.2 mg versus placebo on the pre-specified co-primary endpoints of freedom from pain and freedom from most bothersome symptom (from among photophobia, phonophobia and nausea) at two hours post-administration, these differences did not achieve statistical significance for either dose strength. Both dose strengths of STS101 did, however, demonstrate significant effects on both freedom from pain and most bothersome symptom by three hours post-dose and later time points. Both STS101 dose strengths were well-tolerated in the EMERGE efficacy trial, with low adverse event rates and no serious adverse events reported.

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In November 2022, we announced topline data from the SUMMIT Phase 3 efficacy trial. Although topline data showed numerical differences in favor of STS101 5.2 mg versus placebo on the pre-specified co-primary endpoints of freedom from pain and freedom from most bothersome symptom (from among photophobia, phonophobia and nausea) at the two-hours post-administration timepoint, these differences did not achieve statistical significance for either dose strength. Both dose strengths of STS101 did, however, demonstrate significant effects on both freedom from pain and most bothersome symptom by three hours post-dose and later time points. Both STS101 dose strengths were well-tolerated in the EMERGE efficacy trial, with low adverse event rates and no serious adverse events reported.

In addition, it may not be possible to obtain regulatory approval for and successfully commercialize STS101 without conducting further clinical trials in addition to those trials that we have completed. We do not plan to conduct any further STS01 clinical trials, any future clinical trials would need to be undertaken by the Commercializing Party, and there can be no assurance that the results of any future STS101 clinical trials will be sufficient to obtain regulatory approval or support successful commercialization.

Disruptions at the FDA and other government agencies caused by funding shortages or global health concerns could hinder their ability to hire, retain, or deploy key leadership and other personnel, or otherwise prevent products from being developed, approved, or commercialized in a timely manner or at all, which may adversely affect our business.

The ability of the FDA and other government agencies to review and approve new products can be affected by a variety of factors, including government budget and funding levels, ability to hire and retain key personnel and accept the payment of user fees, and statutory, regulatory, and policy changes. In addition, government funding of other government agencies that fund research and development activities is subject to the political process, which is inherently fluid and unpredictable. Disruptions at the FDA and other agencies, including a prolonged government shutdown, may cause significant regulatory delays and, therefore, delay our efforts to seek approvals and adversely affect our business. For example, over the last several years, the U.S. government has shut down several times, and certain regulatory agencies, such as the FDA, have had to furlough critical employees and stop critical activities.

Separately, in response to the global COVID-19 pandemic, the FDA postponed most inspections of domestic and foreign manufacturing facilities at various points. Even though the FDA has since resumed standard inspection operations where feasible, the FDA has continued to monitor and implement changes to its inspectional activities to ensure the safety of its employees and those of the firms it regulates as it adapts to the evolving COVID-19 pandemic, and any resurgence of the virus or emergence of new variants may lead to further inspectional delays. Regulatory authorities outside the United States may adopt similar restrictions or other policy measures in response to the COVID-19 pandemic. If a prolonged government shutdown occurs, or if global health concerns continue to prevent the FDA other regulatory authorities from conducting their regular inspections, reviews, or other regulatory activities, it could significantly impact the ability of the FDA and other regulatory authorities to timely review and process our regulatory submissions, which could have a material adverse effect on our business.

Clinical development involves a lengthy and expensive process with an uncertain outcome, and delays can occur for a variety of reasons outside of our control.

Clinical development is expensive and can take many years to complete, and its outcome is inherently uncertain. Failure can occur at any time during the clinical trial process. For example, in November 2022, we announced topline data from the SUMMIT trial. Although STS101 5.2 mg showed favorable numerical differences versus placebo on the pre-specified co-primary endpoints of freedom from pain and freedom from most bothersome symptom (from among photophobia, phonophobia and nausea) at the two-hour post-administration regulatory timepoint, these differences did not achieve statistical significance. We do not plan to undertake additional STS101 clinical trials, and the Commercializing Party may experience delays in initiating or completing future trials of STS101 that may be required for regulatory approvals or necessary for successful commercialization of STS101. Furthermore, we cannot be certain that any future studies or trials for STS101 will begin on time, not require redesign, enroll an adequate number of subjects on time or be completed on schedule, if at all. Clinical trials can be delayed or terminated for a variety of reasons, including delays or failures related to:

the COVID-19 pandemic, or other unforeseen events and public health emergencies, including its impact on the providers of healthcare services, such as the healthcare clinics and institutions where we conduct our ongoing clinical trials and may conduct planned clinical trials;
the FDA or comparable foreign regulatory authorities disagreeing as to the design or implementation of our clinical trials;
delays in obtaining regulatory authorization to commence a trial;
reaching agreement on acceptable terms with prospective contract research organizations, or CROs, and clinical trial sites, the terms of which can be subject to extensive negotiation and may vary significantly among different CROs and trial sites;

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obtaining institutional review board, or IRB, approval at each trial site;
recruiting an adequate number of suitable subjects to participate in a trial;
having subjects complete a trial or return for post-treatment follow-up;
clinical sites deviating from trial protocol or dropping out of a trial;
addressing subject safety concerns that arise during the course of a trial;
adding a sufficient number of clinical trial sites; or
obtaining sufficient quantities of STS101 for use in clinical trials from third-party suppliers on a timely basis.

The Commercializing Party may experience numerous adverse or unforeseen events during, or as a result of, any future preclinical studies and clinical trials that could delay or prevent its ability, or that of a partner or partners, to receive marketing approval for or successful commercialize STS101, including:

they may receive feedback from regulatory authorities that requires that the design of a future clinical trial be modified;
clinical trials of STS101 may produce negative or inconclusive results (for example, in the EMERGE and SUMMIT trials, STS101 did not achieve statistical significance versus placebo on pre-specified co-primary endpoints), and the sponsor may decide, or regulators may require the sponsor to conduct additional clinical trials or abandon development of STS101;
participants may drop out of clinical trials at a higher rate than anticipated;
clinical trial participants may not comply with study protocol procedures and instructions;
a sponsor or third-party contractors may fail to comply with regulatory requirements, fail to maintain adequate quality controls, or be unable to produce sufficient product supply to conduct and complete clinical trials of STS101 in a timely manner, or at all;
a sponsor or its investigators might have to suspend or terminate clinical trials of STS101 for various reasons, including non-compliance with regulatory requirements, a finding that STS101 has undesirable side effects or other unexpected characteristics, or a finding that the participants are being exposed to unacceptable health risks;
the cost of clinical trials of STS101 may be greater than anticipated;
the quality of STS101 or other materials necessary to conduct clinical trials of STS101 may be insufficient or inadequate;
regulators may revise the requirements for approving STS101, or such requirements may not be as anticipated; and
future collaborators may conduct clinical trials in ways they view as advantageous to them but that are sub-optimal for a sponsor.

We do not plan to conduct additional clinical trials or other testing of STS101 beyond those already completed or contemplated. If the Commercializing Party is required to conduct additional clinical trials or other testing of STS101 beyond those already completed or currently contemplated, including for purposes of demonstrating the potential efficacy of STS101, if such party or parties is unable to successfully complete clinical trials of STS101 or other testing, and if the results of these trials or tests are not positive or are only moderately positive or if there are safety concerns, our future economic prospects may be adversely affected due to:

unplanned costs being incurred;
delays in obtaining marketing approval for STS101 or not obtaining marketing approval at all;
obtaining marketing approval in some countries and not in others;
obtaining marketing approval for indications or patient populations that are not as broad as intended or desired;
obtaining marketing approval with labeling that includes significant use or distribution restrictions or safety warnings, including boxed warnings;
to the imposition of additional post-marketing testing requirements, which could be expensive and time consuming; or
having the treatment removed from the market after obtaining marketing approval.

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A sponsor could also encounter delays if a clinical trial is suspended or terminated by it, by the IRBs of the institutions in which such trials are being conducted or by the FDA or other regulatory authorities. Such authorities may suspend or terminate a clinical trial due to a number of factors, including failure to conduct the clinical trial in accordance with regulatory requirements or our clinical protocols, inspection of the clinical trial operations or trial site by the FDA or other regulatory authorities resulting in the imposition of a clinical hold, unforeseen safety issues or adverse side effects, failure to demonstrate a benefit from using a product candidate, changes in governmental regulations or administrative actions or lack of adequate funding to continue the clinical trial.

Further, conducting clinical trials in foreign countries, as the Commercializing Party could do for STS101, presents additional risks that may delay completion of clinical trials. These risks include the failure of enrolled subjects in foreign countries to adhere to clinical protocol as a result of differences in healthcare services or cultural customs, managing additional administrative burdens associated with foreign regulatory schemes, as well as political and economic risks relevant to such foreign countries.

Principal investigators for clinical trials may serve as scientific advisors or consultants to the sponsor from time to time and may receive cash or equity compensation in connection with such services. If these relationships and any related compensation result in perceived or actual conflicts of interest, or a regulatory authority concludes that the financial relationship may have affected the interpretation of the trial, the integrity of the data generated at the applicable clinical trial site may be questioned and the utility of the clinical trial itself may be jeopardized, which could result in the delay or rejection of the marketing application we submit. Any such delay or rejection could prevent or delay commercialization of STS101.

If any future clinical trials of STS101 are unsuccessful, delayed or terminated, its commercial prospects may be harmed, and the ability to generate revenues from sales of STS101 will be delayed or not realized at all. In addition, any delays in completing clinical trials may increase costs, slow down STS101 development and delay its approval process and jeopardize the ability of the Commercializing Party to commence product sales and generate revenues. Any of these occurrences, as well as many of the factors that cause, or lead to, a delay in the commencement or completion of clinical trials may also ultimately lead to the denial of regulatory approval of STS101. If STS101 generally proves to be ineffective, unsafe or commercially unviable, it could have materially and adversely affect our future economic prospects.

If the Commercializing Party encounters difficulties with completion of any future clinical trials, STS101 clinical development activities could be delayed or otherwise adversely affected.

The timely completion of clinical trials in accordance with their protocols depends, among other things, on a sponsor’s ability to enroll a sufficient number of subjects who remain in the study until its conclusion. A sponsor may experience difficulties in subject enrollment in any future clinical trials for a variety of reasons, including as a result of the availability of approved preventive and acute treatments for migraine. The enrollment of subjects depends on many additional factors, including:

the subject eligibility criteria defined in the protocol;
the general willingness of subjects to enroll in the trial;
the sample size of the subjects required for analysis of the trial’s primary endpoints;
the proximity of subjects to trial sites;
the design of the trial;
the ability to recruit clinical trial investigators with the appropriate competencies and experience;
clinicians’ and subjects’ perceptions as to the potential advantages of the product candidate being studied in relation to other available therapies, including any new therapies that may be approved for the indications we are investigating;
the clinical site’s ability to obtain and maintain subject consents;
subjects may elect not to participate in future trials of STS101 given STS101 did not achieve statistical significance versus placebo on pre-specified co-primary endpoints in the EMERGE and SUMMIT trials; and
clinical trial participants may not comply with study protocol procedures and instructions.

A sponsor’s clinical trials may also compete with other clinical trials for product candidates that seek to treat migraine, and this competition will reduce the number and types of subjects available to enroll in any future trials, because some subjects who might have opted to enroll in our trials may instead opt to enroll in a trial being conducted by one or more competitors. Since the number of qualified clinical investigators is limited, a sponsor may conduct some of its clinical trials at the same clinical trial sites that some of its competitors use, which will reduce the number of subjects who are available for its clinical trials in such clinical trial sites.

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Delays in subject enrollment may result in increased costs or may affect the timing or outcome of the planned clinical trials, which could prevent completion of these trials and adversely affect the ability of the Commercializing Party to advance or complete the development of STS101. Furthermore, the COVID-19 pandemic could significantly affect subject enrollment and completion in any future clinical trials to an extent that is not anticipated. Although subjects in our EMERGE, ASCEND, and SUMMIT trials, were generally able to complete their scheduled visits and we were able to collect the essential data from those visits, there can be no assurances that this will continue to be the case with any future clinical trials.

STS101 may cause undesirable side effects or have other properties that could delay or prevent its regulatory approval, limit the commercial profile of an approved label, or result in significant negative consequences following marketing approval, if any.

Further analysis of the results of our clinical trials, or the results of future STS101 clinical trials or nonclinical studies, may show that STS101 may cause undesirable side effects, which could result in the denial or revocation of regulatory approval by the FDA and other regulatory authorities. In light of widely publicized events concerning the safety risk of certain drug products, regulatory authorities, members of Congress, the Government Accounting Office, medical professionals and the general public have raised concerns about potential drug safety issues. These events have resulted in the withdrawal of drug products, revisions to drug labeling that further limit use of the drug products and establishment of risk management programs that may, for instance, restrict distribution of drug products. The increased attention to drug safety issues may result in a more cautious approach by the FDA to clinical trials. Data from clinical trials may receive greater scrutiny with respect to safety, which may make the FDA or other regulatory authorities more likely to terminate clinical trials before completion, or require longer or additional clinical trials that may result in substantial additional expense and a delay or failure in obtaining approval or approval for a more limited indication than originally sought.

STS101 is a drug-device combination product, which may result in additional regulatory risks.

Our finished drug product and nasal delivery device will be regulated as a drug-device combination product. There may be additional regulatory risks for drug-device combination products, and neither the drug formulation nor nasal delivery device incorporated in STS101 is utilized in any drug-device combination product that has undergone regulatory review for marketing approval. Delays in obtaining regulatory approval for STS101 may arise given the increased complexity of the review process when approval of the product and a delivery device is sought under a single marketing application. In the United States, each component of a combination product is subject to the requirements established by the FDA for that type of component, whether a drug, biologic or device. The delivery system device will be subject to FDA device requirements regarding design, performance and validation as well as human factors testing, among other things. We implemented several minor modifications to the second-generation STS101 delivery device to improve its performance and we cannot be certain these changes will not result in additional regulatory risks. Failure of the studies conducted by us to satisfy FDA requirements, or the failure of the Commercializing Party, or our third-party providers or suppliers to obtain or maintain regulatory approval could result in increased development costs, delays in or failure to obtain regulatory approval, and associated delays in STS101 reaching the market.

STS101 faces, and will continue to face, significant competition in an environment of rapid technological and scientific change and the failure of the Commercializing Party to effectively compete may prevent STS101, if approved, from achieving significant market penetration. Many competitors in the migraine field may have significantly greater resources than the Commercializing Party, and the Commercializing Party may not be able to successfully compete.

The pharmaceutical industry is highly competitive, with a number of established, large pharmaceutical companies, as well as many smaller companies. Many of these companies have greater financial resources, marketing capabilities and experience in obtaining regulatory approvals for product candidates. There are many pharmaceutical companies, biotechnology companies, public and private universities, government agencies and research organizations actively engaged in research and development of products which may target the same markets as STS101. For instance, companies actively marketing branded products or that have products in late-stage development for the acute treatment or prevention of migraine which may directly or indirectly compete with STS101 include, but are not limited to, Teva Pharmaceutical Industries, Eli Lilly, Novartis, Abbvie, Pfizer, Lundbeck, Amgen and a number of smaller companies, including Impel Pharmaceuticals, Axsome Therapeutics and Amneal Pharmaceuticals. As well, generic products for the acute treatment or prevention of migraine may directly or indirectly compete with STS101. We expect STS101 to compete on the basis of, among other things, product efficacy and safety, price, extent of adverse side effects experienced and ease of administration. One or more competitors may develop and commercialize competing products that incorporate technologies similar to the proprietary technologies incorporated in STS101 before STS101 can be successfully commercialized by the Commercializing

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Party, obtain approvals for such products from the FDA more rapidly than STS101, or develop alternative products or therapies that are safer, more effective and/or more cost effective than STS101.

The market in which STS101 will compete is currently dominated by generic triptan products, and also includes other DHE products, newer oral migraine-specific acute treatments and preventive treatments. The majority of the prescriptions written for the acute treatment of migraine are for generic triptans. There are seven FDA-approved triptan molecules available in branded and branded generic/generic oral dose forms, and two of these molecules are also available in injectable and/or liquid nasal spray dose forms that may have faster onset of action than oral dose forms.

With respect to DHE products, STS101 will compete with Bausch Health’s Migranal and several generic versions thereof, which are DHE liquid nasal spray products, as well as branded and generic DHE injectable products. In addition, in September 2021 Impel Pharmaceuticals received FDA approval for and subsequently commercially introduced a DHE liquid nasal spray product, utilizing the same liquid formulation and container closure system as Migranal, but with a different propellant-powered, single-use delivery device. There can be no assurance that STS101, if approved, will be able to successfully compete against such products.

STS101 face competition from newer oral migraine-specific acute treatments that have been approved by FDA and commercially introduced in 2020 such as Eli Lilly’s lasmiditan, a ditan, and two oral gepants, Abbvie’s ubrogepant and Pfizer’s rimegepant, and a nasally-administered gepant, Pfizer’s zavegepant. Because lasmiditan, ubrogepant, rimegepant and zavegepant are thought to act by mechanisms other than vasoconstriction, recommended use is not restricted to patients who do not have cardiovascular risk factors or disease, as is the case for triptan and ergot alkaloid products (including DHE) due to their vasoconstrictive actions. Although the labels for lasmiditan, ubrogepant and rimegepant do not limit use to patients without cardiovascular risk factors or disease, we believe these products have disadvantages. For example, lasmiditan has been reported to commonly cause central nervous system adverse events such as dizziness, somnolence and paresthesia, and the lasmiditan label includes warnings for driving impairment and operation of machinery for at least eight hours after taking a lasmiditan dose, central nervous system depression, serotonin syndrome, and medication overuse headache. Additionally, because lasmiditan has shown potential for abuse and dependence, the U.S. Drug Enforcement Agency, or DEA, has designated lasmiditan as a controlled substance; this designation imposes licensing and documentation requirements upon prescribers and as well restricts distribution. With ubrogepant, rimegepant, and zavegepant, reported efficacy is modest in comparison with efficacy historically reported with triptan and DHE products.

Many STS101 competitors have significantly greater financial, technical, manufacturing, marketing, sales and supply resources and experience than the Commercializing Party may have. If STS101 is successfully approved for marketing, the Commercializing Party will face competition based on many different factors, including the safety and effectiveness of STS101, the ease with which STS101 can be administered and the extent to which patients accept the nasal route of administration, the timing and scope of regulatory approvals for STS101, the availability and cost of manufacturing, marketing and sales capabilities, price, reimbursement coverage and patent position. Competing products could present superior treatment alternatives, including by being more effective, safer, less expensive or marketed and sold more effectively than STS101. Competitive products may make STS101 obsolete or noncompetitive. Such competitors could also recruit our employees, or the employees of the Commercializing Party, which could negatively impact our ability to realize potential economic returns pursuant to the Merger. For additional information regarding our competition, see "Business—Competition" in our Annual Report on Form 10-K for the year ended December 31, 2022.

We do not intend to independently commercialize STS101 and are seeking to complete the Offer and Merger pursuant to which the Commercializing Party would commercialize STS101, if approved. If such party does not have or is unable to establish sales capabilities on its own or through third parties, it may not be able to effectively market and sell STS101 in the United States and foreign jurisdictions, if approved, or generate product revenue, adversely affecting potential economic returns to us.

We do not intend to independently commercialize STS101 and are seeking to complete the Offer and Merger. In order to commercialize STS101, if approved, in the United States and foreign jurisdictions, the Commercializing Party must have or build marketing, sales, distribution, managerial and other non-technical capabilities or make arrangements with third parties to perform these services, and may not be successful in doing so. If STS101 receives regulatory approval, such party could be required to establish a sales organization in the United States with technical expertise and supporting marketing and distribution capabilities to commercialize it, which will be expensive and time consuming. They may have limited prior experience as a company in the marketing, sale and distribution of pharmaceutical products and there are significant risks involved in building and managing a sales organization, including the ability to hire, retain, and incentivize qualified individuals, generate sufficient sales leads, provide adequate training to sales and marketing personnel, and effectively manage a geographically dispersed sales and marketing team. Any failure or delay in the development of internal sales, marketing and distribution capabilities would adversely impact the commercialization of STS101. Such party may choose to collaborate with third parties that have direct sales forces and established distribution systems, either to augment their own sales force and distribution systems or in lieu of their own sales force and distribution systems. If such party is unable to enter into such arrangements on acceptable terms or at all, they may not be able to successfully commercialize STS101. If they are not successful in commercializing STS101, either on their own or through

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arrangements with one or more third parties, they may not be able to generate product revenue and our potential future economic prospects may be adversely affected.

We have relied, and we anticipate the Commercializing Party would need to continue to rely, on qualified third parties to supply all components of STS101, and to manufacture supplies of STS101 for commercial sale. As a result, the successful development and commercialization of STS101 is dependent on the supply chain we have established, comprising multiple third parties, most of which are sole source suppliers, for the manufacture of STS101. Should problems arise with any of these suppliers, or if they fail to comply with applicable regulatory requirements or to supply sufficient quantities at acceptable quality levels or prices, or at all, it would materially and adversely affect our potential future economic prospects.

We do not own or operate manufacturing facilities for clinical or commercial manufacture of either the proprietary dry-powder formulation of DHE component of STS101 or the proprietary pre-filled, single-use, nasal delivery device, including the drug substance and packaging. We have limited personnel with experience in drug-device product manufacturing and we lack the capabilities to manufacture either the drug or device components of STS101 on a clinical or commercial scale. We currently outsource all manufacturing and packaging of STS101 to third parties, and we do not plan to own or operate our own manufacturing and packaging facilities. There can be no assurance that unsatisfactory quality findings affecting product supplies utilized in our clinical trials will not be found, which could jeopardize regulatory approval of STS101. In particular, any replacement of any STS101third-party supplier could require significant effort and expertise because there may be a limited number of qualified replacements. In addition, issues may be encountered with transferring technology to a new third-party manufacturer, and regulatory delays could result were it necessary to move the manufacturing of STS101, or its components, from one third-party manufacturer to another. Some of the third parties on which we have relied and anticipate the Commercializing Party would need to continue to rely, may also be adversely impacted by COVID-19 or other unforeseen events and public health emergencies, and the foregoing challenges could be compounded as a result.

In addition, we do not currently have long-term commercial supply agreements with third-party manufacturers for either the formulation or device components of STS101 or the STS101 finished product. As a result of the foregoing, the Commercializing Party may be unable to enter into agreements for commercial supply with all third-party manufacturers, or may be unable to do so on acceptable terms. Even if these agreements are consummated, or for those agreements that we have already entered into, the various manufacturers utilized for STS101 will likely be single source suppliers to us for a significant period of time. The Commercializing Party may not be able to establish additional sources of supply for STS101 prior to commercialization. Certain of such suppliers are subject to regulatory requirements covering manufacturing, testing, quality control and record keeping relating to STS101, and are subject to pre-approval and ongoing inspections by the regulatory agencies. Failure by any suppliers to comply with applicable regulations may result in long delays and interruptions to manufacturing capacity while efforts to secure another supplier that meets all regulatory requirements are pursued.

Reliance on third-party manufacturers (the STS101 CMOs) entails risks to which we would not be subject if we manufactured STS101 ourselves, including:

reliance on the third parties for regulatory compliance, quality assurance and hazardous materials handling;
the possible breach of the manufacturing and quality agreements by the third parties because of factors beyond our control;
the possibility of termination or nonrenewal of the agreements by the third parties because of our breach of the manufacturing agreement or based on their own business priorities; and
with respect to any manufacturers with which we do not have a long-term agreement, the possibility that the manufacturer decides to stop supplying or changes the price or other terms of supply.

Any of these factors could cause the delay of required approvals or commercialization of STS101, could prevent successful commercialization of STS101, could cause the suspension of initiation or completion of future clinical trials and regulatory submissions, and could lead to higher product costs.

In addition, the facilities used by the STS101 CMOs to manufacture STS101 are subject to various regulatory requirements and may be subject to the inspection of the FDA or other regulatory authorities. We do not directly control manufacturing at the STS101 CMOs, and are completely dependent on them for compliance with current regulatory requirements. If the STS101 CMOs cannot successfully manufacture components of finished product that conforms to our specifications and the regulatory requirements of the FDA or comparable regulatory authorities in foreign jurisdictions, the Commercializing Party may not be able to rely on them for the manufacture of STS101. In addition, we have limited control over the ability of the STS101 CMOs to maintain adequate quality control, quality assurance and qualified personnel. If the FDA or a comparable foreign regulatory authority finds the facilities of the STS101 CMOs inadequate for the manufacture of STS101 or if such facilities are subject to enforcement action in the future or are otherwise inadequate, it may be necessary to find alternative manufacturing facilities, which would likely significantly and adversely impact future efforts to develop, obtain regulatory approval for or commercialize STS101 and the timing of any such approval and commercialization. We implemented several minor modifications to the STS101 delivery device to improve its performance and we

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cannot be certain these changes will not result in additional regulatory risks. In addition, if any of the STS101 CMOs are adversely impacted by COVID-19 or other unforeseen events and public health emergencies, or if such events impede the ability of the FDA or a comparable regulatory authority to inspect the facilities used by the STS101 CMOs to manufacture STS101, which could delay approval or commercialization of STS101.

The STS101 CMOs may experience manufacturing difficulties due to resource constraints or as a result of labor disputes or unstable political environments.

Additionally, due to COVID-19 pandemic the Commercializing Party may experience interruption of, or delays in completing manufacturing and manufacturing-related activities such as CMO qualification, production equipment manufacture, delivery and qualification, validation of manufacturing processes, manufacture and/or analytical characterization of our product candidate, completion of stability studies and/or manufacture of registration batches of our product candidate required for NDA submission. If the STS101 CMOs were to encounter any of these difficulties, the ability to provide STS101 to subjects in any future clinical trials, or to provide product for the treatment of patients once approved, would be jeopardized.

We have relied, and we anticipate the Commercializing Party would need to continue to rely, on third-party suppliers for materials used in the manufacture of STS101, and the loss of third-party suppliers or their inability to supply adequate key materials could harm our future economic prospects.

We currently do not have the ability to independently manufacture STS101. We have relied, and we anticipate the Commercializing Party would need to continue to rely, on third-party suppliers, most of which are sole source suppliers, for certain key materials required for the production of the DHE dry-powder formulation of STS101. Dependence on these third-party suppliers and the challenges that may be encountered in obtaining adequate supplies of these materials involve several risks, including limited control over pricing, availability, quality and delivery schedules. As a small company, our negotiation leverage is limited and we are likely to get lower priority than other companies or purchasers that are larger than we are. We cannot be certain that our suppliers will continue to provide the Commercializing Party with the quantities of these key materials required to satisfy the anticipated STS101 specifications and quality requirements. Some of these third parties may also be adversely impacted by COVID-19 or other unforeseen events and public health emergencies. Any supply interruption in limited or sole sourced key materials could materially harm the manufacture of STS101 until a new source of supply, if any, could be identified and qualified. It may not be possible to find a sufficient alternative supplier in a reasonable time or on commercially reasonable terms. Any performance failure on the part an STS101 supplier could delay the development and potential commercialization of STS101, including limiting supplies necessary for any future clinical trials and regulatory approvals, which could have a material adverse effect on our future economic prospects.

We have relied up on third parties in the conduct of all of our clinical trials. If it is determined these third parties did not successfully carry out their contractual duties or failed to comply with applicable regulatory requirements, regulatory approval for STS101 could be jeopardized.

The FDA and comparable foreign regulatory authorities in other jurisdictions require us to comply with regulations and standards, commonly referred to as good clinical practice, or GCP, requirements for conducting, monitoring, recording and reporting the results of clinical trials, in order to ensure that the data and results are scientifically credible and accurate and that the trial subjects are adequately informed of the potential risks of participating in clinical trials. We have relied on medical institutions, clinical investigators, contract laboratories and other third parties, such as CROs and consultants, to conduct GCP-compliant clinical trials of STS101 properly and on time. While we have agreements with these third parties, we monitor and control only certain aspects of their activities and have limited influence over their actual performance and the amount or timing of resources that they devote to our STS101 program. Third parties with whom we have contracted may also have relationships with other commercial entities, including our competitors, for whom they may also have concurrently conducted clinical trials or other drug development activities that could harm the competitive position of STS101. The third parties with whom we have contracted for execution of our clinical trials played a significant role in the conduct of these trials and the subsequent collection and analysis of data. Although we have relied on these third parties to conduct portions of our clinical trials, we remain responsible for ensuring that each of our clinical trials has been conducted in accordance with its investigational plan and protocol and applicable laws and regulations, and our reliance on these third parties does not relieve us of our regulatory responsibilities. Such monitoring could prove to be less reliable and could increase data privacy and cybersecurity risks.

If it is determined that the third parties conducting our clinical trials did not adequately perform their contractual duties or obligations, or if the quality or accuracy of the data they obtained is found to be compromised due to their failure to adhere to our protocols or to GCPs, or for any other reason, the FDA or other regulatory authorities could decide that clinical trial data collected by these third parties cannot be used to support the STS101 NDA or its potential approval. As a result, STS101 might not obtain regulatory approval in a timely fashion, or at all, adversely affecting our ability to receive economic benefits pursuant to any strategic transaction.

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Our recent reduction in force undertaken to better align our workforce with the needs of our business and focus more of our capital resources on our STS101 programs may not achieve its intended outcome.

In March 2023, we implemented a reduction in force affecting approximately 36% of our workforce in order to preserve cash and maximize the value of STS101 for a potential strategic transaction partner. The reduction in force may result in unintended consequences and costs, such as the loss of institutional knowledge and expertise, attrition beyond the intended number of employees, decreased morale among our remaining employees, and the risk that we may not achieve the anticipated benefits of the reduction in force. In addition, while positions have been eliminated, certain functions necessary to our operations remain, and we may be unsuccessful in distributing the duties and obligations of departed employees among our remaining employees. The reduction in workforce could also make it difficult for us to pursue, or prevent us from successfully completing the Offer and Merger or from continuing to advance development of STS101 while we pursue such strategic transaction, pursuing, or require us to incur additional and unanticipated costs to hire new personnel.

Further, as requested by Parent, the Company will terminate the employment of each of John Kollins, President and Chief Executive Officer of the Company, and Tom O’Neil, Chief Financial Officer of the Company, effective as of the closing of the Offer and the Merger (and subject to the occurrence of the closing of the Offer and Merger). In addition, in connection to the Merger and in accordance with the Merger Agreement, each of the directors of the Company will resign as directors of the Company, effective as of the closing of the Offer and the Merger (and subject to the occurrence of the closing of the Offer and Merger). If we are unable to realize the anticipated benefits from the reduction in force, or if we experience significant adverse consequences from the reduction in force, our ability to timely complete the Offer and Merger may be impaired, and we may be forced to terminate development of STS101, withdraw the NDA and pursue other strategic alternatives, such as dissolution and wind-down.

We may conduct additional clinical trials and consider additional headache indications for STS101 to enhance its commercial potential; however, these trials may not produce results necessary to enable additional commercial potential or enhancement of its label.

In addition to the pursuit of initial regulatory approval and successful commercialization of STS101 in the United States, we, or our partner or partners, may conduct additional clinical trials and consider additional headache indications for STS101 to expand its commercial potential, including by potentially conducting clinical programs outside the United States. However, any positive results from our ongoing, planned or future clinical trials of STS101 and results from clinical testing by third parties of other DHE products and product candidates, may not be predictive of the results of any such additional clinical trials. Therefore, there can be no assurance that we will ever be successful enhancing the commercial potential of STS101 or expanding its label.

The Offer and Merger may not have a successful outcome, which would materially and adversely affect our potential future economic prospects.

In pursuing the completion of the Offer and Merger, we may not be able to timely conclude a transaction on terms that are favorable. Moreover, the transaction may be expensive, complex and time-consuming to negotiate, document and implement and closing could be subject to approvals by our stockholders and governmental authorities, which are not assured, may be abandoned or terminated for numerous reasons at any point in the transaction process prior to closing, which could result in us incurring transaction expenses that cannot be recouped and force us to terminate development of STS101, withdraw our NDA and pursue other strategic alternatives, such as dissolution and wind-down. Furthermore, SNBL may not be successful in its efforts to further develop, obtain regulatory approval for or commercialize STS101, we may never receive any future contingent milestone or royalty payments under such a transaction. Further, the terms of any strategic transaction which we are able to conclude may not be favorable to us.
The future success of STS101 will depend heavily on the post-closing efforts and activities of SNBL, in the event we are able to conclude such a transaction. The risks of relying upon SNBL are numerous and may include risks that:
they will have significant discretion in determining the efforts and resources that they will apply to the STS101 program;
they may elect not pursue development and commercialization of STS101 based on future clinical trial results, changes in their strategic focus due to their acquisition of competitive products or their internal development of competitive products, availability of funding or other external factors, such as a business combination that diverts resources or creates competing priorities;

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they may delay future clinical trials, provide insufficient funding for a future clinical trial program, stop a future clinical trial, abandon a STS101, repeat or conduct new clinical trials or require a new formulation of STS101 for clinical testing;
they could independently develop, or develop with third parties, products that compete directly or indirectly with STS101;
they may not properly maintain or defend our intellectual property rights or may use our intellectual property or proprietary information in a way that gives rise to actual or threatened litigation that could jeopardize or invalidate our intellectual property or proprietary information or expose us to potential liability;
their or the Commercializing Party's sales and marketing activities or other operations may not be in compliance with applicable laws, resulting in civil or criminal proceedings;
disputes may arise between us and SNBL that causes the delay or termination of the development or commercialization of STS101 or that result in costly litigation or arbitration that diverts our management’s attention and resources; and
they may be adversely impacted by COVID-19 or other unforeseen events and public health emergencies.

Our business involves the use of hazardous materials and we and our third-party manufacturers and suppliers must comply with environmental laws and regulations, which can be expensive and restrict how we do business.

Our third-party manufacturers’ and suppliers’ activities involve the controlled storage, use and disposal of hazardous materials owned by us, including the components of STS101 and other hazardous compounds. We and any third-party manufacturers and suppliers we engage are subject to numerous federal, state and local environmental, health and safety laws, regulations and permitting requirements, including those governing laboratory procedures; the generation, handling, use, storage, treatment, and disposal of hazardous and regulated materials and wastes; the emission and discharge of hazardous materials into the ground, air and water; and employee health and safety. Our operations involve the use of hazardous and flammable materials, including chemicals and biological materials. Our operations also produce hazardous waste. In some cases, these hazardous materials and various wastes resulting from their use are stored at our contract manufacturers’ facilities pending their use and disposal. We generally contract with third parties for the disposal of these materials and wastes. We cannot eliminate the risk of contamination, which could cause an interruption of our commercialization efforts, research and development efforts and business operations, environmental damage resulting in costly clean-up and liabilities under applicable laws and regulations governing the use, storage, handling and disposal of these materials and specified waste products.

Although we believe that the safety procedures utilized by our third-party manufacturers for handling and disposing of these materials generally comply with the standards prescribed by these laws and regulations, we cannot guarantee that this is the case or eliminate the risk of accidental contamination or injury from these materials. Under certain environmental laws, we could be held responsible for costs relating to any contamination at our current or past facilities and at third-party facilities. In such an event, we may be held liable for any resulting damages and such liability could exceed our resources and state or federal or other applicable authorities may curtail our use of certain materials and/or interrupt our business operations. Furthermore, environmental laws and regulations are complex, change frequently and have tended to become more stringent. We cannot predict the impact of such changes and cannot be certain of our future compliance.

Compliance with applicable environmental laws and regulations may be expensive, and current or future environmental laws and regulations may impair our research, product development and manufacturing efforts. In addition, we cannot entirely eliminate the risk of accidental injury or contamination from these materials or wastes.

Risks Related to Intellectual Property

Our success depends on our ability to protect our intellectual property and our proprietary technologies.

Our commercial success depends in part on our ability to obtain and maintain patent protection and trade secret protection for STS101, proprietary technologies and their uses as well as our ability to operate without infringing upon the proprietary rights of others. We generally seek to protect our proprietary position by filing patent applications in the United States and abroad related to STS101, proprietary technologies and their uses that are important to our business. Our patent applications cannot be enforced against third parties practicing the technology claimed in such applications unless, and until, patents issue from such applications, and then only to the extent the issued claims cover the technology in appropriate jurisdictions. There can be no assurance that our patent applications or those of our licensors will result in additional patents being issued or that issued patents will afford sufficient protection against competitors with similar technology, nor can there be any assurance that the patents issued will not be infringed, designed around or invalidated by third parties. Even issued patents may later be found invalid or unenforceable or may be modified

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or revoked in proceedings instituted by third parties before various patent offices or in courts. The degree of future protection for our proprietary rights is uncertain. Only limited protection may be available and may not adequately protect our rights or permit us to gain or keep any competitive advantage. For example, we do not have a patent covering the composition of matter for DHE, the active ingredient in STS101. If we do not adequately protect our intellectual property and proprietary technology, competitors may be able to use STS101 and proprietary technologies and erode or negate any competitive advantage we may have, which could have a material adverse effect on our financial condition and results of operations.

We have applied, and we intend to continue applying, for patents covering aspects of STS101, proprietary technologies and their uses that we deem appropriate. However, we may not be able to apply for patents on certain aspects of STS101, proprietary technologies and their uses in a timely fashion, at a reasonable cost, in all jurisdictions, or at all, and any potential patent coverage we obtain may not be sufficient to prevent substantial competition.

We own or have an exclusive license under more than sixty U.S. and foreign patents and pending applications. In the U.S., we own or have exclusive license rights under 11 issued and allowed U.S. patents and patent applications relating to STS101 that have expiration dates (absent any adjustments or extensions of term) as late as 2039. We believe the breadth of our patent estate reflects the highly innovative and differentiated nature of our proprietary dry-powder nasal delivery and formulation technologies. With the exception of one issued U.S. patent and several issued or allowed patents in the European Union, Japan and Hong Kong that we own, all of our rights under issued U.S. and foreign patents relating to STS101 are exclusively licensed from SNBL.

We cannot be certain that the claims in any of our patent applications will be considered patentable by the USPTO, courts in the United States or by the patent offices and courts in foreign countries, nor can we be certain that the claims in issued patents relating to STS101 will not be found invalid or unenforceable if challenged.

The patent application process is subject to numerous risks and uncertainties, and there can be no assurance that we or any of our actual or potential future collaborators will be successful in protecting STS101, proprietary technologies and their uses by obtaining and defending patents. These risks and uncertainties include the following:

the USPTO and various foreign governmental patent agencies require compliance with a number of procedural, documentary, fee payment and other provisions during the patent process, the noncompliance with which can result in abandonment or lapse of a patent or patent application, and partial or complete loss of patent rights in the relevant jurisdiction;
patent applications may not result in any patents being issued;
patents owned or in-licensed by us may be challenged, invalidated, modified, revoked, circumvented, found to be unenforceable or otherwise may not provide any competitive advantage;
our competitors, many of whom have substantially greater resources than we do and many of whom have made significant investments in competing technologies, may seek or may have already filed for or obtained patents that will limit, interfere with or eliminate our ability to make, use and sell STS101;
other parties may have designed around our claims or developed technologies that may be related or competitive to our platform, may have filed or may file patent applications and may have received or may receive patents that overlap or conflict with our patent applications, either by claiming the same compositions, methods or devices or by claiming subject matter that could dominate our patent position;
any successful opposition or other post-grant challenges to any patents owned by or licensed to us could result in revocation or amendment to our patents so that they no longer cover STS101;
because patent applications in the United States and most other countries are confidential for a period of time after filing, we cannot be certain that we or our licensors were the first to file any patent application related to STS101, proprietary technologies and their uses;
an interference proceeding can be provoked by a third party or instituted by the USPTO to determine who was the first to invent any of the subject matter covered by the patent claims of our applications for any application with an effective filing date before March 16, 2013;
there may be significant pressure on the U.S. government and international governmental bodies to limit the scope of patent protection both inside and outside the United States for disease treatments that prove successful, as a matter of public policy regarding worldwide health concerns; and
countries other than the United States may have patent laws less favorable to patentees than those upheld by U.S. courts, allowing foreign competitors a better opportunity to create, develop and market competing product candidates.

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The patent position of pharmaceutical companies generally is highly uncertain, involves complex legal and factual questions, and has been the subject of much litigation in recent years. Moreover, the patent prosecution process is also expensive and time-consuming, and we may not be able to file and prosecute all necessary or desirable patent applications at a reasonable cost or in a timely manner. It is also possible that we will fail to identify patentable aspects of our research and development output before it is too late to obtain patent protection. Although we enter into non-disclosure and confidentiality agreements with parties who have access to patentable aspects of our research and development output, such as our employees, corporate collaborators, outside scientific collaborators, CROs, contract manufacturers, consultants, advisors and other third parties, any of these parties may breach such agreements and disclose such output before a patent application is filed, thereby jeopardizing our ability to seek patent protection.

The issuance of a patent is not conclusive as to its inventorship, scope, validity or enforceability, and our patents, if issued, or the patent rights that we license from others, may be challenged in the courts or patent offices in the United States and abroad. Once granted, patents may remain open to opposition, interference, re-examination, post-grant review, inter partes review, nullification or derivation action in court or before patent offices or similar proceedings for a given period after allowance or grant, during which time third parties can raise objections against such initial grant. Such challenges may result in loss of exclusivity or in patent claims being narrowed, invalidated or held unenforceable, which could limit our ability to stop others from using or commercializing similar or identical products, or limit the duration of the patent protection of STS101. Given the amount of time required for the development, testing and regulatory review of new product candidates, patents protecting such candidates might expire before or shortly after such candidates are commercialized. As a result, our intellectual property may not provide us with sufficient rights to exclude others from commercializing products similar or identical to ours.

Our ability to enforce our patent rights depends on our ability to detect infringement. It may be difficult to detect infringers who do not advertise the components or methods that are used in connection with their products and services. Moreover, it may be difficult or impossible to obtain evidence of infringement in a competitor’s or potential competitor’s product or service. We may not prevail in any lawsuits that we initiate and the damages or other remedies awarded if we were to prevail may not be commercially meaningful.

In addition, proceedings to enforce or defend our patents could put our patents at risk of being invalidated, held unenforceable or interpreted narrowly. Such proceedings could also provoke third parties to assert claims against us or licensor Shin Nippon Biomedical Laboratories, Ltd., or SNBL, which we have agreed to indemnify under certain circumstances, including that some or all of the claims in one or more of our patents are invalid or otherwise unenforceable. If any of our patents covering STS101 are invalidated or found unenforceable, or if a court found that valid, enforceable patents held by third parties covered STS101, our competitive position could be harmed or we could be required to incur significant expenses to enforce or defend our rights. If we initiate lawsuits to protect or enforce our patents, or litigate against third-party claims, such proceedings would be expensive and would divert the attention of our management and technical personnel.

The degree of future protection for our proprietary rights is uncertain, and we cannot ensure that:

any of our patents, or any of our pending patent applications, if issued, or those of our licensors, will include claims having a scope sufficient to protect STS101;
any of our pending patent applications or those of our licensors may issue as patents;
others will not or may not be able to make, use, offer to sell, or sell products that are the same as or similar to our own but that are not covered by the claims of the patents that we own or license;
we will be able to successfully commercialize STS101 on a substantial scale, if approved, before the relevant patents that we own or license expire;
we were the first to make the inventions covered by each of the patents and pending patent applications that we own or license;
we or our licensors were the first to file patent applications for these inventions;
others will not develop similar or alternative technologies that do not infringe the patents we own or license;
any of the patents we own or license will be found to ultimately be valid and enforceable;
any patents issued to us or our licensors will provide a basis for an exclusive market for our commercially viable products or will provide us with any competitive advantages;
a third party may not challenge the patents we own or license and, if challenged, a court would hold that such patents are valid, enforceable and infringed;
the patents of others will not have an adverse effect on our business;

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our competitors do not conduct research and development activities in countries where we do not have enforceable patent rights and then use the information learned from such activities to develop competitive products for sale in our major commercial markets;
we will develop additional proprietary technologies or products that are separately patentable; or
our commercial activities or products will not infringe upon the patents of others.

 

To the extent we obtain licenses from or collaborate with third parties, in some circumstances, we may not have the right to control the preparation, filing and prosecution of patent applications, or to maintain the patents, covering technology that we license from third parties, or such activities, if controlled by us, may require the input of such third parties. We may also require the cooperation of our licensors and collaborators to enforce any licensed patent rights, and such cooperation may not be provided. Therefore, these patents and applications may not be prosecuted and enforced in a manner consistent with the best interests of our business. Moreover, if we do obtain necessary licenses, we will likely have obligations under those licenses, and any failure to satisfy those obligations could give our licensor the right to terminate the license. Termination of a necessary license, or expiration of licensed patents or patent applications, could have a material adverse impact on our business.

The lives of our patents may not be sufficient to effectively protect STS101 and our business.

Patents have a limited lifespan. In the United States, the natural expiration of a patent is generally 20 years after its first effective non-provisional filing date. Although various extensions may be available, the life of a patent, and the protection it affords, is limited. Even if patents covering STS101, proprietary technologies and their uses are obtained, once the patent life has expired, we may be open to competition. In addition, although upon issuance in the United States a patent’s life can be increased based on certain delays caused by the USPTO, this increase can be reduced or eliminated based on certain delays caused by the patent applicant during patent prosecution. Given the amount of time required for the development, testing and regulatory review of STS101, patents protecting it might expire before or shortly after it is commercialized. If we do not have sufficient patent life to protect STS101, proprietary technologies and their uses, our business and results of operations will be adversely affected.

If we are unable to protect the confidentiality of our trade secrets, our business and competitive position would be harmed.

We rely on the protection of our trade secrets, including unpatented know-how, technology and other proprietary information. We have taken steps to protect our trade secrets and unpatented know-how, including entering into confidentiality agreements with third parties, and confidential information and inventions agreements with employees, consultants and advisors. In addition to contractual measures, we try to protect the confidential nature of our proprietary information using commonly accepted physical and technological security measures. Despite these efforts, we cannot provide any assurances that all such agreements have been duly executed, and any of these parties may breach the agreements and disclose our proprietary information, including our trade secrets, and we may not be able to obtain adequate remedies for such breaches. In addition, such security measures may not provide adequate protection for our proprietary information, for example, in the case of misappropriation of a trade secret by an employee, consultant or third party with authorized access. Our security measures may not prevent an employee or consultant from misappropriating our trade secrets and providing them to a competitor, and recourse we take against such misconduct may not provide an adequate remedy to protect our interests fully. Monitoring unauthorized uses and disclosures is difficult, and we do not know whether the steps we have taken to protect our proprietary technologies will be effective. Unauthorized parties may also attempt to copy or reverse engineer certain aspects of STS101 that we consider proprietary. Enforcing a claim that a party illegally disclosed or misappropriated a trade secret can be difficult, expensive and time-consuming, and the outcome is unpredictable. Even though we use commonly accepted security measures, the criteria for protection of trade secrets can vary among different jurisdictions.

Enforcing a claim that a party illegally disclosed or misappropriated a trade secret is difficult, expensive and time-consuming, and the outcome is unpredictable. In addition, some courts inside and outside the United States are less willing or unwilling to protect trade secrets. Moreover, third parties may still obtain this information or may come upon this or similar information independently, and we would have no right to prevent them from using that technology or information to compete with us. Trade secrets will over time be disseminated within the industry through independent development, the publication of journal articles and the movement of personnel skilled in the art from company to company or academic to industry scientific positions. Though our agreements with third parties typically restrict the ability of our advisors, employees, collaborators, licensors, suppliers, third-party contractors and consultants to publish data potentially relating to our trade secrets, our agreements may contain certain limited publication rights. If any of our trade secrets were to be lawfully obtained or independently developed by a competitor, we would have no right to prevent such competitor from using that technology or information to compete with us, which could harm our competitive position. Because from time to time we expect to rely on third parties in the development, manufacture, and distribution of STS101, we must, at times, share trade secrets with them. Despite employing the contractual and other security precautions described above, the need to share trade secrets increases the risk that such trade secrets become known by our competitors, are inadvertently incorporated into the

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technology of others, or are disclosed or used in violation of these agreements. If any of these events occurs or if we otherwise lose protection for our trade secrets, the value of this information may be greatly reduced and our competitive position would be harmed. If we do not apply for patent protection prior to such publication or if we cannot otherwise maintain the confidentiality of our proprietary technology and other confidential information, then our ability to obtain patent protection or to protect our trade secret information may be jeopardized.

Our rights to develop and commercialize STS101 are subject in part to the terms and conditions of a license granted to us by SNBL. The patent protection, prosecution and enforcement for STS101 may be dependent on third parties.

We currently are reliant upon a license of certain patent rights and proprietary technology pursuant to a licensing and assignment agreement we entered with SNBL in June 2016, or the SNBL License. Such rights and technology are important or necessary to the development of STS101. This and other licenses we may enter into in the future may not provide adequate rights to use such intellectual property and technology in all relevant fields of use or in all territories in which we may wish to develop or commercialize our technology and products in the future. As a result, we may not be able to develop and commercialize our technology and products in fields of use and territories for which we are not granted rights pursuant to such licenses.

Licenses to additional third-party technology that may be required for our development programs may not be available in the future or may not be available on commercially reasonable terms, which could have a material adverse effect on our business and financial condition.

In some circumstances, we may not have the right to control the preparation, filing, prosecution and enforcement of patent applications, or to maintain the patents, covering technology that we license from third parties. In addition, in some instances, the SNBL License requires us to negotiate in good faith a strategy with respect to enforcement of certain licensed patents against third party infringers, and in some instances, SNBL retains the sole right to initiate and control such actions. Therefore, we cannot be certain that SNBL or any future licensors or collaborators will prosecute, maintain, enforce and defend such intellectual property rights in a manner consistent with the best interests of our business, including by taking reasonable measures to protect the confidentiality of know-how and trade secrets, or by paying all applicable prosecution and maintenance fees related to intellectual property registrations for STS101. We also cannot be certain that our licensors have drafted or prosecuted the patents and patent applications licensed to us in compliance with applicable laws and regulations, which may affect the validity and enforceability of such patents or any patents that may issue from such applications. If they fail to do so, this could cause us to lose rights in any applicable intellectual property that we in-license, and as a result our ability to develop and commercialize STS101 may be adversely affected and we may be unable to prevent competitors from making, using and selling competing products.

The SNBL License imposes a low single-digit royalty on net sales of STS101 along with certain other obligations on us, and any future licenses, if required, likely will also impose various royalty payments, milestones, and other obligations on us. If we fail to comply with any of these obligations, we may be required to pay damages and the licensor may have the right to terminate the license. Termination by the licensor would cause us to lose valuable rights, and could prevent us from developing and commercializing STS101 and proprietary technologies. Our business would suffer if any current or future licenses terminate, if the licensors fail to abide by the terms of the license, if the licensors fail to enforce licensed patents against infringing third parties, if the licensed patents or other rights are found to be invalid or unenforceable, or if we are unable to enter into necessary licenses on acceptable terms. Furthermore, if any current or future licenses terminate, or if the underlying patents fail to provide the intended exclusivity, competitors or other third parties may gain the freedom to seek regulatory approval of, and to market, products identical to ours. Moreover, our licensors may own or control intellectual property that has not been licensed to us and, as a result, we may be subject to claims, regardless of their merit, that we are infringing or otherwise violating the licensor’s rights. In addition, while we cannot currently determine the amount of the royalty obligations we would be required to pay on sales of future products, if any, the amounts may be significant. The amount of our future royalty obligations will depend on the technology and intellectual property we use in products that we successfully develop and commercialize, if any. Therefore, even if we successfully develop and commercialize STS101, we may be unable to achieve or maintain profitability.

Litigation or other proceedings or third-party claims of intellectual property infringement could require us to spend significant time and money and could prevent us from selling our products.

Our commercial success depends significantly on our ability to operate without infringing the patents and other proprietary rights of third parties. However, our research, development and commercialization activities may be subject to claims that we infringe or otherwise violate patents or other intellectual property rights owned or controlled by third parties. Claims by third parties that we infringe their proprietary rights may result in liability for damages or prevent or delay our developmental and commercialization efforts. We cannot assure you that our operations do not, or will not in the future, infringe existing or future patents.

Other entities may have or obtain patents or proprietary rights that could limit our ability to make, use, sell, offer for sale or import STS101 or impair our competitive position. There is a substantial amount of litigation, both within and outside the United

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States, involving patent and other intellectual property rights in the pharmaceutical and biotechnology industries, including patent infringement lawsuits, interferences, oppositions, reexaminations, inter partes review proceedings and post-grant review proceedings before the USPTO and/or corresponding foreign patent offices. Numerous third-party U.S. and foreign issued patents and pending patent applications exist in the fields of STS101. There may be third-party patents or patent applications with claims to materials, formulations, methods of manufacture or methods for treatment related to the use or manufacture of STS101.

Furthermore, the scope of a patent claim is determined by an interpretation of the law, the written disclosure in a patent and the patent’s prosecution history and can involve other factors such as expert opinion. Our interpretation of the relevance or the scope of claims in a patent or a pending application may be incorrect, which may negatively impact our ability to market STS101. Further, we may incorrectly determine that our technologies or STS101 are not covered by a third-party patent or may incorrectly predict whether a third party’s pending patent application will issue with claims of relevant scope. Our determination of the expiration date of any patent in the United States or abroad that we consider relevant may be incorrect, which may negatively impact our ability to develop and market STS101.

As the pharmaceutical industry expands and more patents are issued, the risk increases that STS101 may be subject to claims of infringement of the patent rights of third parties. Our competitors in both the United States and abroad, many of which have substantially greater resources and have made substantial investments in patent portfolios and competing technologies, may have applied for or obtained or may in the future apply for and obtain, patents that will prevent, limit or otherwise interfere with our ability to make, use and sell STS101. We do not always conduct independent reviews of pending patent applications of and patents issued to third parties.

Patent applications in the United States and elsewhere are typically published approximately 18 months after the earliest filing for which priority is claimed, with such earliest filing date being commonly referred to as the priority date. Certain U.S. applications that will not be filed outside the United States can remain confidential until patents issue. In addition, patent applications in the United States and elsewhere can be pending for many years before issuance, or unintentionally abandoned patents or applications can be revived. Furthermore, pending patent applications that have been published can, subject to certain limitations, be later amended in a manner that could cover our technologies, STS101 or the use of STS101. As such, there may be applications of others now pending or recently revived patents of which we are unaware. These applications may later result in issued patents, or the revival of previously abandoned patents, that will prevent, limit or otherwise interfere with our ability to make, use or sell STS101. Because patent applications are maintained as confidential for a certain period of time, until the relevant application is published we may be unaware of third-party patents that may be infringed by commercialization of STS101, and cannot be certain that we were the first to file a patent application related to a product candidate or technology. Moreover, because patent applications can take many years to issue, there may be currently-pending patent applications that may later result in issued patents that STS101 may infringe. In addition, identification of third-party patent rights that may be relevant to our technology is difficult because patent searching is imperfect due to differences in terminology among patents, incomplete databases and the difficulty in assessing the meaning of patent claims. Any claims of patent infringement asserted by third parties would be time consuming and could:

result in costly litigation;
divert the time and attention of our technical personnel and management;
cause development delays;
prevent commercialization of STS101 until the asserted patent expires or is held finally invalid or not infringed in a court of law;
require us to develop non-infringing technology, which may not be possible on a cost-effective basis;
require us to pay damages to the party whose intellectual property rights we may be found to be infringing, which may include treble damages if we are found to have been willfully infringing such intellectual property;
require us to pay the attorney’s fees and costs of litigation to the party whose intellectual property rights we may be found to be infringing; and/or
require us to enter into royalty or licensing agreements, which may not be available on commercially reasonable terms, or at all.

Although no third-party has asserted a claim of patent infringement against us as of the date of this report, others may hold proprietary rights that could prevent STS101 from being marketed. Any patent-related legal action against us claiming damages and seeking to enjoin commercial activities relating to STS101 or processes could subject us to potential liability for damages, including treble damages if we were determined to willfully infringe, and require us to obtain a license to manufacture or market STS101. Defense of these claims, regardless of their merit, would involve substantial litigation expense and would be a substantial diversion of

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employee resources from our business. We cannot predict whether we would prevail in any such actions or that any license required under any of these patents would be made available on commercially acceptable terms, if at all. Even if such licenses are available, we could incur substantial costs related to royalty payments for licenses obtained from third parties, which could negatively affect our gross margins, and the rights may be non-exclusive, which could give our competitors access to the same technology or intellectual property rights licensed to us. In addition, we cannot be certain that we could redesign STS101 or processes to avoid infringement, if necessary. Accordingly, an adverse determination in a judicial or administrative proceeding, or the failure to obtain necessary licenses, could prevent us from developing and commercializing STS101, which could harm our business, financial condition and operating results. In addition, intellectual property litigation, regardless of its outcome, may cause negative publicity and could prohibit us from marketing or otherwise commercializing STS101.

If we collaborate with third parties in the development of technology in the future, our collaborators may not properly maintain or defend our intellectual property rights or may use our proprietary information in such a way as to invite litigation that could jeopardize or invalidate our intellectual property or proprietary information or expose us to litigation or potential liability. Further, collaborators may infringe the intellectual property rights of third parties, which may expose us to litigation and potential liability. Also, we may be obligated under our agreements with our collaborators, licensors, suppliers and others to indemnify and hold them harmless for damages arising from intellectual property infringement by us.

We may be involved in lawsuits to protect or enforce our patents or the patents of our licensors, which could be expensive, time consuming, and unsuccessful. Further, issued patents relating to STS101 could be found invalid or unenforceable if challenged in court.

Competitors may infringe our intellectual property rights or those of our licensors. To prevent infringement or unauthorized use, we may be required to file infringement claims, which can be expensive and time-consuming. In addition, in a patent infringement proceeding, a court may decide that a patent we own or in-license is not valid, is unenforceable and/or is not infringed. If we or any of our potential future collaborators were to initiate legal proceedings against a third party to enforce a patent directed at STS101, the defendant could counterclaim that our patent is invalid and/or unenforceable in whole or in part. In patent litigation in the United States, defendant counterclaims alleging invalidity and/or unenforceability are commonplace. Grounds for a validity challenge include an alleged failure to meet any of several statutory requirements, including lack of novelty, obviousness or non-enablement. Grounds for an unenforceability assertion could include an allegation that someone connected with prosecution of the patent withheld relevant information from the USPTO or made a misleading statement during prosecution. Third parties may also raise similar claims before the USPTO, even outside the context of litigation. Similar mechanisms for challenging the validity and enforceability of a patent exist in ex-U.S. patent offices and may result in the revocation, cancellation, or amendment of any ex-U.S. patents we hold in the future. The outcome following legal assertions of invalidity and unenforceability is unpredictable, and prior art could render our patents or those of our licensors invalid. If a defendant were to prevail on a legal assertion of invalidity and/or unenforceability, we would lose at least part, and perhaps all, of the patent protection on such product candidate. Such a loss of patent protection would have a material adverse impact on our business. Interference or derivation proceedings provoked by third parties or brought by us or declared by the USPTO may be necessary to determine the priority of inventions with respect to our patents or patent applications or those of our licensors. An unfavorable outcome could require us to cease using the related technology or to attempt to license rights to it from the prevailing party. Our business could be harmed if the prevailing party does not offer us a license on commercially reasonable terms or at all, or if a non-exclusive license is offered and our competitors gain access to the same technology. Our defense of litigation or interference proceedings may fail and, even if successful, may result in substantial costs and distract our management and other employees. In addition, the uncertainties associated with litigation could have a material adverse effect on our ability to raise the funds necessary to continue our clinical trials, continue our research programs, license necessary technology from third parties or enter into development or manufacturing partnerships that would help us bring STS101 to market.

Even if resolved in our favor, litigation or other legal proceedings relating to our intellectual property rights may cause us to incur significant expenses, and could distract our technical and management personnel from their normal responsibilities. In addition, there could be public announcements of the results of hearings, motions or other interim proceedings or developments and if securities analysts or investors perceive these results to be negative, it could have a substantial adverse effect on the price of our common stock. Such litigation or proceedings could substantially increase our operating losses and reduce the resources available for development activities or any future sales, marketing or distribution activities. We may not have sufficient financial or other resources to conduct such litigation or proceedings adequately. Some of our competitors may be able to sustain the costs of such litigation or proceedings more effectively than we can because of their greater financial resources. Uncertainties resulting from the initiation and continuation of patent litigation or other proceedings could compromise our ability to compete in the marketplace.

Furthermore, because of the substantial amount of discovery required in connection with intellectual property litigation, there is a risk that some of our confidential information could be compromised by disclosure during this type of litigation. There could also be public announcements of the results of hearings, motions or other interim proceedings or developments. If securities analysts or investors perceive these results to be negative, it could have a material adverse effect on the price of our common stock.

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We may fail to comply with our obligations under the SNBL License or any future agreements pursuant to which we may license or otherwise acquire intellectual property rights or technology, which could result in the loss of rights or technology that are material to our business.

Our business is dependent on the SNBL License for certain patent rights and know-how that are directed to SNBL’s proprietary nasal drug delivery technology, including its proprietary nasal delivery device and formulation technologies, for use with DHE. Our rights under the SNBL License and any license for intellectual property or technology that we may enter into in the future are and will be subject to the continuation of and our compliance with the terms of these agreements. Disputes may arise regarding our rights to intellectual property licensed to us from a third party, including but not limited to:

the scope of rights granted under the license agreement and other interpretation-related issues;
the extent to which our technology and processes infringe on intellectual property of the licensor that is not subject to the licensing agreement;
the sublicensing of patent and other rights;
our diligence obligations under the license agreement and what activities satisfy those diligence obligations;
the ownership of inventions and know-how resulting from the creation or use of intellectual property by us, alone or with our licensors and collaborators;
the scope and duration of our payment obligations;
our rights upon termination of such agreement; and
the scope and duration of exclusivity obligations of each party to the agreement.

Any disputes over intellectual property and other rights under the SNBL License could prevent or impair our ability to maintain the license on acceptable terms and our ability to successfully develop and commercialize STS101. In addition, if we fail to comply with our obligations under the SNBL License, it may be terminated or the scope of our rights under it may be reduced and we might be unable to develop, manufacture or market STS101.

We may be subject to claims challenging the inventorship or ownership of our patents and other intellectual property.

We may also be subject to claims that former employees, collaborators or other third parties have an ownership interest in our patents or other intellectual property. In addition, we may face claims by third parties that our agreements with employees, contractors or consultants obligating them to assign intellectual property to us are ineffective or in conflict with prior or competing contractual obligations of assignment, which could result in ownership disputes regarding intellectual property we have developed or will develop and interfere with our ability to capture the commercial value of such intellectual property. Litigation may be necessary to defend against these and other claims challenging inventorship or ownership. If we fail in defending any such claims, in addition to paying monetary damages, we may lose valuable intellectual property rights. Such an outcome could have a material adverse effect on our business. Even if we are successful in defending against such claims, litigation could result in substantial costs and distraction to management and other employees.

Risks Related to Government Regulation

Even if we obtain regulatory approval for STS101, STS101 will remain subject to regulatory scrutiny.

If STS101 is approved, it will be subject to ongoing regulatory requirements for manufacturing, labeling, packaging, storage, advertising, promotion, sampling, record-keeping, conduct of post-marketing studies, and submission of safety, efficacy, and other post- market information, including both federal and state requirements in the United States and requirements of comparable foreign regulatory authorities.

Manufacturers and manufacturers’ facilities are required to comply with extensive FDA and comparable foreign regulatory authority requirements, including ensuring that quality control and manufacturing procedures conform to cGMP regulations. As such, we and our contract manufacturers will be subject to continual review and inspections to assess compliance with cGMP and adherence to commitments made in any approved marketing application. Accordingly, we and others with whom we work must continue to expend time, money, and effort in all areas of regulatory compliance, including manufacturing, production, and quality control.

We will have to comply with requirements concerning advertising and promotion for STS101. Promotional communications with respect to prescription drugs are subject to a variety of legal and regulatory restrictions and must be consistent with the information in the product’s approved label. As such, we may not promote STS101 for indications or uses for which they do not have

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approval. However, companies may share truthful and not misleading information that is otherwise consistent with a product’s FDA approved labeling. We also must submit new or supplemental applications and obtain approval for certain changes to STS101, if approved, product labeling, or manufacturing process. We could also be asked to conduct post-marketing clinical studies to verify the safety and efficacy of STS101 in general or in specific patient subsets. An unsuccessful post-marketing study or failure to complete such a study could result in the withdrawal of marketing approval.

If we discover previously unknown problems with STS101, such as adverse events of unanticipated severity or frequency, or problems with the facility where STS101 is manufactured, or if the FDA disagrees with the promotion, marketing or labeling of STS101, the FDA may impose restrictions on it or us, including requiring withdrawal of it from the market. If we fail to comply with applicable regulatory requirements, the FDA and other regulatory authorities may, among other things:

issue warning letters;
impose civil or criminal penalties;
suspend or withdraw regulatory approval;
suspend any of our ongoing clinical studies;
refuse to approve pending applications or supplements to approved applications;
impose restrictions on our operations, including closing our contract manufacturers’ facilities; or
require a product recall, seizure or detention.

Any government action or investigation of alleged violations of law could require us to expend significant time and resources in response, and could generate negative publicity. Any failure to comply with ongoing regulatory requirements may significantly and adversely affect our ability to commercialize and generate revenue from STS101. If regulatory sanctions are applied or if regulatory approval is withdrawn, the value of our company and our operating results will be adversely affected.

Moreover, the policies of the FDA and of other regulatory authorities may change and additional government regulations may be enacted that could prevent, limit or delay regulatory approval of STS101. We cannot predict the likelihood, nature or extent of government regulation that may arise from future legislation or administrative or executive action, either in the United States or abroad. In addition, if we are slow or unable to adapt to changes in existing requirements or the adoption of new requirements or policies, or if we are not able to maintain regulatory compliance, we could lose any marketing approval that we may have obtained and we may not achieve or sustain profitability.

If STS101 obtains regulatory approval, competitors could enter the market with generic versions, which may result in a material decline in sales of affected products.

Under the Hatch-Waxman Amendments to the Federal Food, Drug and Cosmetic Act, or FDCA, a pharmaceutical manufacturer may file an abbreviated new drug application, or ANDA, seeking approval of a generic version of an approved drug product. A manufacturer may also submit an NDA under section 505(b)(2) of the FDCA, which may be for a new or improved version of the originally approved drug product. The Hatch-Waxman Amendments also provide for certain periods of regulatory exclusivity, which preclude FDA acceptance or approval of an ANDA or 505(b)(2) NDA for specific timeframes, such as three-year exclusivity available to products submitted with new clinical investigations (other than bioavailability studies) conducted or sponsored by the applicant that are essential to approval of the application. In addition to this non-patent exclusivity, an NDA holder may have patents claiming the active ingredient, product formulation or an approved use of the drug, which would be listed in the FDA publication, “Approved Drug Products with Therapeutic Equivalence Evaluations,” known as the Orange Book. If there are patents listed in the Orange Book for a product, a generic or 505(b)(2) applicant that seeks to market its product before expiration of the patents must include in their applications what is known as a “Paragraph IV” certification, challenging the validity or enforceability of, or claiming non-infringement of, the listed patent or patents. Notice of the certification must be given to the patent owner and NDA holder and if, within 45 days of receiving notice, either the patent owner or NDA holder sues for patent infringement, approval of the ANDA or 505(b)(2) NDA is stayed for up to 30 months.

Accordingly, if STS101 is approved, including through the 505(b)(2) pathway, competitors could file ANDAs for generic versions of STS101. If there are patents listed for STS101 in the Orange Book, those ANDAs would be required to include a certification as to each listed patent indicating whether the ANDA applicant does or does not intend to challenge the patent. We cannot predict which, if any, patents in our current portfolio or patents we may obtain in the future will be eligible for listing in the Orange Book, how any generic competitor would address such patents, whether we would sue on any such patents, or the outcome of any such suit. In addition, while we have requested three-year exclusivity based on new clinical investigations conducted for STS101, we cannot predict whether the FDA will agree we have satisfied the requirements to receive such exclusivity for STS101, if approved.

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We may not be successful in securing or maintaining non-patent or proprietary patent protection for STS101. Moreover, if any of our owned or in-licensed patents that are listed in the Orange Book are successfully challenged by way of a Paragraph IV certification and subsequent litigation, STS101 could immediately face generic competition and its sales would likely decline rapidly and materially.

Our business operations and current and future relationships with investigators, healthcare professionals, consultants, third-party payors, patient organizations and customers will be subject to applicable healthcare regulatory laws, which could expose us to penalties.

Our business operations and current and future arrangements with investigators, healthcare professionals, consultants, third-party payors, patient organizations and customers, may expose us to broadly applicable fraud and abuse and other healthcare laws. These laws may constrain the business or financial arrangements and relationships through which we conduct our operations, including how we research, market, sell and distribute STS101, if approved. Such laws include, but are not limited to:

the U.S. federal Anti-Kickback Statute, which prohibits, among other things, persons or entities from knowingly and willfully soliciting, offering, receiving or providing any remuneration (including any kickback, bribe, or certain rebate), directly or indirectly, overtly or covertly, in cash or in kind, to induce or reward, or in return for, either the referral of an individual for, or the purchase, lease, order or recommendation of, any good, facility, item or service, for which payment may be made, in whole or in part, under any U.S. federal healthcare program, such as Medicare and Medicaid. A person or entity does not need to have actual knowledge of the statute or specific intent to violate it in order to have committed a violation;
the U.S. federal civil monetary penalty and civil and criminal false claims laws, including the civil federal False Claims Act, which can be enforced through civil whistleblower or qui tam actions, which prohibit, among other things, individuals or entities from knowingly presenting, or causing to be presented, to the U.S. federal government, claims for payment or approval that are false or fraudulent, knowingly making, using or causing to be made or used, a false record or statement material to a false or fraudulent claim, or from knowingly making a false statement to avoid, decrease or conceal an obligation to pay money to the U.S. federal government. Pharmaceutical manufacturers can cause false claims to be presented to the U.S. federal government by engaging in impermissible marketing practices, such as the off-label promotion of a product for an indication for which it has not received FDA approval. In addition, the government may assert that a claim including items and services resulting from a violation of the U.S. federal Anti-Kickback Statute constitutes a false or fraudulent claim for purposes of the civil False Claims Act;
HIPAA, which imposes criminal and civil liability for, among other things, knowingly and willfully executing, or attempting to execute, a scheme to defraud any healthcare benefit program, or knowingly and willfully falsifying, concealing or covering up a material fact or making any materially false statement, in connection with the delivery of, or payment for, healthcare benefits, items or services. Similar to the U.S. federal Anti-Kickback Statute, a person or entity does not need to have actual knowledge of the healthcare fraud statute implemented under HIPAA or specific intent to violate it in order to have committed a violation;
the FDCA, which prohibits, among other things, the adulteration or misbranding of drugs, biologics and medical devices;
the U.S. Physician Payments Sunshine Act and its implementing regulations, which requires certain manufacturers of drugs, devices, biologics and medical supplies that are reimbursable under Medicare, Medicaid, or the Children’s Health Insurance Program, with specific exceptions, to report annually to the government information related to certain payments and other transfers of value to physicians (defined to include doctors, dentists, optometrists, podiatrists and chiropractors), certain other non-physician practitioners (physician assistants, nurse practitioners, clinical nurse specialists, certified nurse anesthetists, anesthesiologist assistants and certified nurse midwives) health care professionals beginning in 2022, and teaching hospitals, as well as ownership and investment interests held by the physicians described above and their immediate family members;
federal consumer protection and unfair competition laws, which broadly regulate marketplace activities and activities that potentially harm consumers;
analogous U.S. state laws, including: state anti-kickback and false claims laws, which may apply to our business practices, including but not limited to, research, distribution, sales and marketing arrangements and claims involving healthcare items or services reimbursed by any third-party payor, including private insurers; state laws that require pharmaceutical companies to comply with the pharmaceutical industry’s voluntary compliance guidelines and the relevant compliance guidance promulgated by the U.S. federal government, or otherwise restrict payments that may be made to healthcare providers and other potential referral sources; state laws that require drug manufacturers to file reports relating to pricing and marketing information, which requires tracking gifts and other remuneration and items of value provided to healthcare professionals and entities; and state and local laws requiring the registration of pharmaceutical sales representatives;

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the U.S. Foreign Corrupt Practices Act of 1977, as amended, which prohibits, among other things, U.S. companies and their employees and agents from authorizing, promising, offering, or providing, directly or indirectly, corrupt or improper payments or anything else of value to foreign government officials, employees of public international organizations and foreign government owned or affiliated entities, candidates for foreign political office, and foreign political parties or officials thereof; and
similar healthcare laws in the European Union and other jurisdictions, including reporting requirements detailing interactions with and payments to healthcare providers.

Ensuring that our internal operations and future business arrangements with third parties comply with applicable healthcare laws and regulations will involve substantial costs. It is possible that governmental authorities will conclude that our business practices do not comply with current or future statutes, regulations, agency guidance or case law involving applicable fraud and abuse or other healthcare laws. If our operations are found to be in violation of any of the laws described above or any other governmental laws that may apply to us, we may be subject to significant penalties, including civil, criminal and administrative penalties, damages, fines, exclusion from government-funded healthcare programs, such as Medicare and Medicaid or similar programs in other countries or jurisdictions, integrity oversight and reporting obligations to resolve allegations of non-compliance, disgorgement, imprisonment, contractual damages, reputational harm, diminished profits and the curtailment or restructuring of our operations. If any of the physicians or other providers or entities with whom we expect to do business are found to not be in compliance with applicable laws, they may be subject to significant criminal, civil or administrative sanctions, including exclusions from government funded healthcare programs and imprisonment, which could affect our ability to operate our business. Further, defending against any such actions can be costly, time-consuming and may require significant personnel resources. Therefore, even if we are successful in defending against any such actions that may be brought against us, our business may be impaired.

Enacted and future healthcare legislation may increase the difficulty and cost for us to obtain marketing approval of and commercialize STS101 and may affect the prices we may set.

In the United States, the European Union and other jurisdictions, there have been, and we expect there will continue to be, a number of legislative and regulatory changes and proposed changes to the healthcare system that could affect our future results of operations. In particular, there have been and continue to be a number of initiatives at the U.S. federal and state levels that seek to reduce healthcare costs and improve the quality of healthcare. For example, in March 2010, the Patient Protection and Affordable Care Act, as amended by the Health Care and Education Reconciliation Act, or collectively the ACA, was enacted, which substantially changed the way healthcare is financed by both governmental and private payors. Among the provisions of the ACA, those of greatest importance to the pharmaceutical and biotechnology industries include the following:

an annual, non-deductible fee payable by any entity that manufactures or imports certain branded prescription drugs and biologic agents (other than those designated as orphan drugs), which is apportioned among these entities according to their market share in certain government healthcare programs;
an increase to the minimum Medicaid rebates owed by manufacturers under the Medicaid Drug Rebate Program and an extension the rebate program to individuals enrolled in Medicaid managed care organizations;
a new methodology by which rebates owed by manufacturers under the Medicaid Drug Rebate Program are calculated for drugs that are inhaled, infused, instilled, implanted or injected;
expansion of eligibility criteria for Medicaid programs by, among other things, allowing states to offer Medicaid coverage to certain individuals with income at or below 133% of the federal poverty level, thereby potentially increasing a manufacturer’s Medicaid rebate liability;
a new Medicare Part D coverage gap discount program, in which manufacturers must agree to offer point-of-sale discounts off negotiated prices of applicable brand drugs to eligible beneficiaries during their coverage gap period, as a condition for the manufacturer’s outpatient drugs to be covered under Medicare Part D;
a new Patient-Centered Outcomes Research Institute to oversee, identify priorities in, and conduct comparative clinical effectiveness research, along with funding for such research; and
establishment of a Center for Medicare and Medicaid Innovation at the Centers for Medicare & Medicaid Services, or CMS, to test innovative payment and service delivery models to lower Medicare and Medicaid spending, potentially including prescription drug spending.

Since its enactment, there have been judicial, executive and Congressional challenges to certain aspects of the ACA. On June 17, 2021, the U.S. Supreme Court dismissed the most recent judicial challenge to the ACA brought by several states without specifically ruling on the constitutionality of the ACA. Prior to the Supreme Court’s decision, President Biden issued an executive

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order initiating a special enrollment period from February 15, 2021 through August 15, 2021 for purposes of obtaining health insurance coverage through the ACA marketplace. The executive order also instructed certain governmental agencies to review and reconsider their existing policies and rules that limit access to healthcare.

In addition, other legislative changes have been proposed and adopted in the United States since the ACA was enacted. In August 2011, the Budget Control Act of 2011, among other things, led to aggregate reductions of Medicare payments to providers. These reductions went into effect in April 2013 and, due to subsequent legislative amendments to the statute, will remain in effect through 2032, with the temporary suspension from May 1, 2020 through March 31, 2022, unless additional action is taken by Congress. Further, in March 2021, the American Rescue Plan Act of 2021 was signed into law, which, among other things, eliminated the statutory cap on drug manufacturers’ Medicaid Drug Rebate Program rebate liability effective January 1, 2024. Under current law enacted as part of the ACA, drug manufacturers’ Medicaid Drug Rebate Program rebate liability is capped at 100% of the average manufacturer price for a covered outpatient drug. These new laws may result in additional reductions in Medicare and other healthcare funding and otherwise affect the prices we may obtain for our product candidates, if approved.

Moreover, payment methodologies may be subject to changes in healthcare legislation and regulatory initiatives. For example, CMS may develop new payment and delivery models, such as bundled payment models. In addition, recently there has been heightened governmental scrutiny over the manner in which manufacturers set prices for their marketed products, which has resulted in several U.S. Congressional inquiries and proposed and enacted federal and state legislation designed to, among other things, bring more transparency to drug pricing, reduce the cost of prescription drugs under government payor programs, and review the relationship between pricing and manufacturer patient programs. Most recently, on August 16, 2022, the Inflation Reduction Act of 2022, or IRA, was signed into law. Among other things, the IRA requires manufacturers of certain drugs to engage in price negotiations with Medicare (beginning in 2026), with prices that can be negotiated subject to a cap; imposes rebates under Medicare Part B and Medicare Part D to penalize price increases that outpace inflation (first due in 2023); and replaces the Part D coverage gap discount program with a new discounting program (beginning in 2025). The IRA permits the Secretary of the Department of Health and Human Services (HHS) to implement many of these provisions through guidance, as opposed to regulation, for the initial years. For that and other reasons, it is currently unclear how the IRA will be effectuated, and the impact of the IRA on our business and the pharmaceutical industry cannot yet be fully determined. We expect that additional U.S. federal healthcare reform measures will be adopted in the future, any of which could limit the amounts that the U.S. federal government will pay for healthcare products and services, which could result in reduced demand for STS101 or additional pricing pressures.

Individual states in the United States have also increasingly passed legislation and implemented regulations designed to control pharmaceutical and biological product pricing, including price or patient reimbursement constraints, discounts, restrictions on certain product access and marketing cost disclosure and transparency measures, and, in some cases, designed to encourage importation from other countries and bulk purchasing. Legally-mandated price controls on payment amounts by third-party payors or other restrictions could harm our business, results of operations, financial condition and prospects. In addition, regional healthcare authorities and individual hospitals are increasingly using bidding procedures to determine what pharmaceutical products and which suppliers will be included in their prescription drug and other healthcare programs. Furthermore, there has been increased interest by third-party payors and governmental authorities in reference pricing systems and publication of discounts and list prices.

In the European Union, similar political, economic and regulatory developments may affect our ability to profitably commercialize STS101, if approved. In addition to continuing pressure on prices and cost containment measures, legislative developments at the European Union or member state level may result in significant additional requirements or obstacles that may increase our operating costs. The delivery of healthcare in the European Union, including the establishment and operation of health services and the pricing and reimbursement of medicines, is almost exclusively a matter for national, rather than European Union, law and policy. National governments and health service providers have different priorities and approaches to the delivery of health care and the pricing and reimbursement of products in that context. In general, however, the healthcare budgetary constraints in most European Union member states have resulted in restrictions on the pricing and reimbursement of medicines by relevant health service providers. Coupled with ever-increasing European Union and national regulatory burdens on those wishing to develop and market products, this could prevent or delay marketing approval of STS101, restrict or regulate post-approval activities and affect our ability to commercialize STS101, if approved. In markets outside of the United States and European Union, reimbursement and healthcare payment systems vary significantly by country, and many countries have instituted price ceilings on specific products and therapies.

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We cannot predict the likelihood, nature or extent of government regulation that may arise from future legislation or administrative action in the United States, the European Union or any other jurisdiction. If we, or any third parties we may engage, are slow or unable to adapt to changes in existing requirements or the adoption of new requirements or policies, or if we or such third parties are not able to maintain regulatory compliance, STS101 may lose any regulatory approval that may have been obtained and we may not achieve or sustain profitability.

Changes in and actual or perceived failures to comply with U.S. and foreign privacy and data protection laws, regulations and standards may adversely affect our business, operations and financial performance.

We are subject to or affected by numerous federal, state and foreign laws and regulations, as well as regulatory guidance, governing the collection, use, disclosure, retention, and security of personal data, such as information that we collect about trial participants and healthcare providers in connection with clinical trials in the United States and abroad. The global data protection landscape is rapidly evolving, and implementation standards and enforcement practices are likely to remain uncertain for the foreseeable future. This evolution may create uncertainty in our business, affect our or any service providers’, contractors’ or future collaborators’ ability to operate in certain jurisdictions or to collect, store, transfer use and share personal information, necessitate the acceptance of more onerous obligations in our contracts, result in liability or impose additional costs on us. The cost of compliance with these laws, regulations and standards is high and is likely to increase in the future. Any failure or perceived failure by us or our collaborators, service providers and contractors to comply with federal, state or foreign laws or regulation, our internal policies and procedures or our contracts governing processing of personal information could result in negative publicity, diversion of management time and effort and proceedings against us by governmental entities or others. In many jurisdictions, enforcement actions and consequences for noncompliance are rising.

As our operations and business grow, we may become subject to or affected by new or additional data protection laws and regulations and face increased scrutiny or attention from regulatory authorities. In the United States, HIPAA, as amended by the Health Information Technology for Economic and Clinical Health Act of 2009, or collectively, HIPAA, imposes, among other things, certain standards relating to the privacy, security, transmission and breach reporting of individually identifiable health information. Most healthcare providers, including research institutions from which we obtain patient health information, are subject to privacy and security regulations promulgated under HIPAA. While we do not believe that we are currently acting as a covered entity or business associate under HIPAA and thus are not directly regulated under HIPAA, any person may be prosecuted under HIPAA’s criminal provisions either directly or under aiding-and-abetting or conspiracy principles. Consequently, depending on the facts and circumstances, we could face substantial criminal penalties if we knowingly receive individually identifiable health information from a HIPAA-covered healthcare provider or research institution that has not satisfied HIPAA’s requirements for disclosure of individually identifiable health information.

Certain states have also adopted comparable privacy and security laws and regulations, some of which may be more stringent than HIPAA. For example, California enacted the California Consumer Privacy Act, or the CCPA, on June 28, 2018, which went into effect on January 1, 2020. The CCPA gives California residents expanded rights to access and delete their personal information, opt out of certain personal information sharing, and receive detailed information about how their personal information is used. The CCPA provides for civil penalties for violations, as well as a private right of action for data breaches that has increased the likelihood of, and risks associated with data breach litigation. Further, the California Privacy Rights Act, or the CPRA, generally went into effect on January 1, 2023 and significantly amends the CCPA. It imposes additional data protection obligations on companies doing business in California, including additional consumer rights processes and opt outs for certain uses of sensitive data. It also creates a new California data protection agency specifically tasked to enforce the law, which would likely result in increased regulatory scrutiny of California businesses in the areas of data protection and security. Similar laws have passed in Virginia, Colorado, Connecticut and Utah, and have been proposed in other states and at the federal level, reflecting a trend toward more stringent privacy legislation in the United States. The enactment of such laws could have potentially conflicting requirements that would make compliance challenging. In the event that we are subject to or affected by HIPAA, the CCPA, the CPRA or other domestic privacy and data protection laws, any liability from failure to comply with the requirements of these laws could adversely affect our financial condition.

Our operations abroad may also be subject to increased scrutiny or attention from data protection authorities. Many countries in these regions have established or are in the process of establishing privacy and data security legal frameworks with which we, our collaborators, service providers, including our CRO, and contractors must comply. For example, the European Union General Data Protection Regulation, or the GDPR, went into effect in May 2018 and introduces strict requirements for processing the personal information of individuals within the European Economic Area, or the EEA, including, including clinical trial data. The GDPR provides for robust regulatory enforcement and fines of up to €20 million or 4% of the annual global revenue of the noncompliant company, whichever is greater. It has and will continue to increase compliance burdens on us, including by mandating potentially burdensome documentation requirements and granting certain rights to individuals to control how we collect, use, disclose, retain and process information about them. The processing of sensitive personal data, such as physical health condition, may impose heightened compliance burdens under the GDPR and is a topic of active interest among foreign regulators. The GDPR also increases the scrutiny

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of transfers of personal data from the EEA to the United States and other jurisdictions that the European Commission does not recognize as having “adequate” data protection laws; in July 2020, the Court of Justice of the European Union, or CJEU, limited how organizations could lawfully transfer personal data from the EEA to the United States by invalidating the EU-US Privacy Shield and imposing further restrictions on use of the standard contractual clauses, which could increase our costs and our ability to efficiently process personal data from the EEA. In March 2022, the United States and EU announced a new regulatory regime intended to replace the invalidated regulations; however, this new EU-US Data Privacy Framework has not been implemented beyond an executive order signed by President Biden on October 7, 2022 on Enhancing Safeguards for United States Signals Intelligence Activities. European court and regulatory decisions subsequent to the CJEU decision of July 2020 have taken a restrictive approach to international data transfers.

Relatedly, following the United Kingdom’s withdrawal from the EEA and the EU, and the expiry of the transition period, companies have had to comply with the GDPR and the GDPR as incorporated into United Kingdom national law, the latter regime having the ability to separately fine up to the greater of £17.5 million or 4% of global turnover. As we expand into other foreign countries and jurisdictions, we may be subject to additional laws and regulations that may affect how we conduct business.

Risks Related to Our Common Stock

Our stock price may be volatile and you may not be able to resell shares of our common stock at or above the price you paid.

The trading price of our common stock may be highly volatile and could be subject to wide fluctuations in response to various factors, including the following:

announcements with regard to our continued development of STS101;
announcements with regard to our strategic business and/or financing plans;
results from our clinical trials for STS101;
results of clinical trials of our competitors’ products;
competition from existing products or new products that may emerge;
announcements by academic, guideline publishers or other third parties challenging the fundamental premises underlying our approach to treating migraine;
announcements with regard to the FDA accepting our STS101 NDA for substantive review or refusing to file our STS101 NDA due to deficiencies;
announcements of regulatory approval or disapproval of STS101;
failure or discontinuation of any of our research and development programs;
manufacturing setbacks or delays of or issues with the supply of the materials for STS101;
announcements relating to future licensing, collaboration, development or strategic transaction agreements, including the termination of any potential transaction we may announce;
delays in the commercialization of STS101;
acquisitions and sales of new products, technologies or businesses;
quarterly variations in our results of operations or those of our future competitors;
changes in earnings estimates or recommendations by securities analysts;
announcements by us or our competitors of new products, significant contracts, commercial relationships, acquisitions or capital commitments;
developments with respect to intellectual property rights;
our commencement of, or involvement in, litigation;
changes in financial estimates or guidance, including our ability to meet our future revenue and operating profit or loss estimates or guidance;
any major changes in our board of directors or management;
new legislation in the United States or relevant foreign jurisdictions relating to the sale or pricing of pharmaceuticals;

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FDA or other U.S. or foreign regulatory actions affecting us or our industry;
product liability claims or other litigation or public concern about the safety of STS101 or other DHE products;
market conditions in the pharmaceutical and biotechnology sectors; and
general economic conditions in the United States and abroad, including recession or depression resulting from the current COVID-19 pandemic, the current inflationary economic environment and rising interest rates.

In addition, the stock markets in general, and the markets for pharmaceutical and biotechnology stocks in particular, have experienced extreme volatility, including as a result of the COVID-19 pandemic, that may have been unrelated to the operating performance of the issuer. These broad market fluctuations may adversely affect the trading price or liquidity of our common stock. In the past, when the market price of a stock has been volatile, holders of that stock have sometimes instituted securities class action litigation against the issuer. If we were to become involved in securities litigation, we could incur substantial costs and resources and the attention of our management could be diverted from the operation of our business.

If we fail to adhere to the listing requirements of the Nasdaq Global Market, including maintaining a minimum closing bid price of $1.00 per share, our common stock could be delisted.

Our common stock is listed on the Nasdaq Global Market and as such is subject to various requirements for continued listing under the rules of the Nasdaq Global Stock Market (Listing Rules). On April 11, 2023, we received a letter indicating that for 30 consecutive business days we did not maintain a minimum closing bid price of $1.00 per share as required by the Listing Rules. On May 1, 2023, we received a letter from Nasdaq informing us that we regained compliance with the minimum bid price rule. However, there is no assurance that the market price per share of our common stock will continue to remain in excess of the $1.00 minimum bid price as required by Nasdaq.

In addition to adhering to the minimum closing bid price requirement, there are other listing requirements in the Listing Rules we must adhere to. Similar to the closing bid price requirement, we may not be able to satisfy these other rules. If we are unable to comply with these additional listing requirements, our stock could be delisted for such failure. If our common stock is delisted from Nasdaq, we could be required to list on the over-the-counter, or OTC, market, which may adversely affect the price and trading liquidity of our common stock. Delisting from the Nasdaq may have other negative results, including the potential loss of confidence in us by employees and partners, the loss of institutional investor interest, fewer business development opportunities and greater difficulty in obtaining financing on favorable terms or at all.

We are an “emerging growth company” and as a result of the reduced disclosure and governance requirements applicable to emerging growth companies, our common stock may be less attractive to investors.

We are an “emerging growth company,” as defined in Jumpstart Our Business Act of 2012, or the JOBS Act, and we intend to take advantage of certain exemptions from various reporting requirements that are applicable to other public companies that are not emerging growth companies including, but not limited to, not being required to comply with the auditor attestation requirements of Section 404 of the Sarbanes-Oxley Act of 2002, or Section 404, reduced disclosure obligations regarding executive compensation in our periodic reports and proxy statements, and exemptions from the requirements of holding a nonbinding advisory vote on executive compensation and obtaining stockholder approval of any golden parachute payments not previously approved. In addition, as an “emerging growth company,” the JOBS Act allows us to delay adoption of new or revised accounting pronouncements applicable to public companies until such pronouncements are made applicable to private companies. We have elected to use this extended transition period under the JOBS Act. As a result, our financial statements may not be comparable to the financial statements of issuers who are required to comply with the effective dates for new or revised accounting standards that are applicable to public companies, which may make comparison of our financials to those of other public companies more difficult.

We cannot predict if investors will find our common stock less attractive because we will rely on these exemptions. If some investors find our common stock less attractive as a result, there may be a less active trading market for our common stock and our stock price may be more volatile. We may take advantage of these reporting exemptions until we are no longer an emerging growth company. We will remain an emerging growth company until the earlier of (1) December 31, 2024, (2) the last day of the year in which we have total annual gross revenue of at least $1.235 billion, (3) the last day of the year in which we are deemed to be a “large accelerated filer” as defined in Rule 12b-2 under the Exchange Act, which would occur if the market value of our common stock held by non-affiliates exceeded $700.0 million as of the last business day of the second fiscal quarter of such year or (4) the date on which we have issued more than $1.0 billion in non-convertible debt securities during the prior three-year period.

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We incur increased costs as a result of operating as a public company, and our management devotes substantial time to compliance initiatives. We may fail to comply with the rules that apply to public companies, including Section 404, which could result in sanctions or other penalties that would harm our business.

We incur significant legal, accounting and other expenses as a public company, including costs resulting from public company reporting obligations under the Exchange Act and regulations regarding corporate governance practices. The listing requirements of The Nasdaq Global Market and the rules of the Securities and Exchange Commission, or the SEC, require that we satisfy certain corporate governance requirements relating to director independence, filing annual and interim reports, stockholder meetings, approvals and voting, soliciting proxies, conflicts of interest and a code of conduct. Our management and other personnel devote a substantial amount of time to ensure that we comply with all of these requirements. Moreover, the reporting requirements, rules and regulations associated with being a public company have increased our legal and financial compliance costs and make some activities more time-consuming and costly. Any changes we make to comply with these obligations may not be sufficient to allow us to satisfy our obligations as a public company on a timely basis, or at all. These reporting requirements, rules and regulations, coupled with the increase in potential litigation exposure associated with being a public company, could also make it more difficult for us to attract and retain qualified persons to serve on our board of directors or board committees or to serve as executive officers, or to obtain certain types of insurance, including directors’ and officers’ insurance, on acceptable terms and we may be forced to accept reduced policy limits and coverage or incur substantially higher costs to obtain the same or similar coverage.

We are subject to Section 404 and the related rules of the SEC, which generally require our management and independent registered public accounting firm to report on the effectiveness of our internal control over financial reporting. Beginning with this annual report, Section 404 requires an annual management assessment of the effectiveness of our internal control over financial reporting. However, for so long as we remain an emerging growth company as defined in the JOBS Act, we intend to take advantage of certain exemptions from various reporting requirements that are applicable to public companies that are not emerging growth companies, including, but not limited to, not being required to comply with the auditor attestation requirements of Section 404. Once we are no longer an emerging growth company or, if prior to such date, we opt to no longer take advantage of the applicable exemption, we will be required to include an opinion from our independent registered public accounting firm on the effectiveness of our internal controls over financial reporting. We will remain an emerging growth company until the earlier of (1) December 31, 2024, (2) the last day of the year in which we have total annual gross revenue of at least $1.235 billion, (3) the last day of the year in which we are deemed to be a “large accelerated filer” as defined in Rule 12b-2 under the Exchange Act, which would occur if the market value of our common stock held by non-affiliates exceeded $700.0 million as of the last business day of the second fiscal quarter of such year or (4) the date on which we have issued more than $1.0 billion in non-convertible debt securities during the prior three-year period.

To date, we have never conducted a review of our internal control for the purpose of providing the reports required by these rules. In connection with the contemporaneous audits of our financial statements for the years ended December 31, 2017 and 2018, we identified control deficiencies in the design and operation of our internal control over financial reporting that constituted a material weakness. While we believe we have fully remediated the material weakness in our internal controls, if additional material weaknesses in our internal controls over financial reporting are identified in the future, we may not detect errors on a timely basis and our financial statements may be materially misstated. We or our independent registered public accounting firm may not be able to conclude on an ongoing basis that we have effective internal control over financial reporting, which could harm our operating results, cause investors to lose confidence in our reported financial information and cause the trading price of our stock to fall. In addition, as a public company we will be required to file accurate and timely quarterly and annual reports with the SEC under the Exchange Act. In order to report our results of operations and financial statements on an accurate and timely basis, we will depend on CROs to provide timely and accurate notice of their costs to us. Any failure to report our financial results on an accurate and timely basis could result in sanctions, lawsuits, delisting of our shares from The Nasdaq Global Market or other adverse consequences that would materially harm to our business.

We do not currently plan to raise additional capital. However, if we decide to sell shares of our common stock in future financings, stockholders may experience immediate dilution and, as a result, our stock price may decline.

We may from time to time issue additional shares of common stock at a discount from the current trading price of our common stock, including pursuant to our 2019 Incentive Award Plan and 2019 Employee Stock Purchase Plan. As a result, our stockholders would experience immediate dilution upon the purchase of any shares of our common stock sold at such discount. In addition, as opportunities present themselves, we may enter into financing or similar arrangements in the future, including the issuance of debt

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securities, preferred stock or common stock. If we issue common stock or securities convertible into common stock, our common stockholders would experience additional dilution and, as a result, our stock price may decline.

Our ability to use our net operating loss carryforwards and certain other tax attributes may be limited.

We have incurred substantial losses during our history, do not expect to become profitable in the near future, and we may never achieve profitability. To the extent that we continue to incur losses for tax purposes, or NOLs, such NOLs, will carry forward to offset a portion of future taxable income, if any, until such NOLs expire, if subject to expiration.

In addition, under Sections 382 and 383 of the Internal Revenue Code of 1986, as amended, if a corporation undergoes an “ownership change,” generally defined as a greater than 50 percentage point change (by value) in its equity ownership by certain stockholders over a rolling three-year period, the corporation’s ability to use its pre-change net operating loss carryforwards, or NOLs, and other pre-change tax attributes (such as research and development tax credits) to offset its post-change income or taxes may be limited. If finalized, Treasury Regulations currently proposed under Section 382 of the Code may further limit our ability to utilize our pre-change NOLs or credits if we undergo a future ownership change. Our ability to utilize NOLs and other tax attributes to offset future taxable income or tax liabilities may be currently limited as a result of prior ownership changes, including in connection with our IPO. Similar rules may apply under our state or foreign tax laws. We have not completed a formal study to determine if any ownership changes within the meaning of Section 382 and 383 of the Code have occurred. It is possible we have experienced ownership changes in the past, and we may experience ownership changes in the future as a result of subsequent shifts in our stock ownership (some of which shifts are outside our control). If an ownership change has occurred, our ability to use our NOLs or tax credit carryforwards may be restricted, which could require us to pay federal or state income taxes earlier than would be required if such limitations were not in effect. There is also a risk that due to regulatory changes, such as suspensions on the use of NOLs, or other unforeseen reasons, our existing NOLs could expire or otherwise become unavailable to offset future income tax liabilities.

Provisions in our charter documents and under Delaware law could discourage a takeover that stockholders may consider favorable and may lead to entrenchment of management.

Our amended and restated certificate of incorporation and amended and restated bylaws contain provisions that could delay or prevent changes in control or changes in our management without the consent of our board of directors. These provisions will include the following:

a classified board of directors with three-year staggered terms, which may delay the ability of stockholders to change the membership of a majority of our board of directors;
no cumulative voting in the election of directors, which limits the ability of minority stockholders to elect director candidates;
the exclusive right of our board of directors to elect a director to fill a vacancy created by the expansion of the board of directors or the resignation, death or removal of a director, which prevents stockholders from being able to fill vacancies on our board of directors;
the ability of our board of directors to authorize the issuance of shares of preferred stock and to determine the price and other terms of those shares, including preferences and voting rights, without stockholder approval, which could be used to significantly dilute the ownership of a hostile acquiror;
the ability of our board of directors to alter our amended and restated bylaws without obtaining stockholder approval;
the required approval of at least 66 2/3% of the shares entitled to vote at an election of directors to adopt, amend or repeal our amended and restated bylaws or repeal the provisions of our amended and restated certificate of incorporation regarding the election and removal of directors;
a prohibition on stockholder action by written consent, which forces stockholder action to be taken at an annual or special meeting of our stockholders;
the requirement that a special meeting of stockholders may be called only by our chief executive officer or president or by the board of directors, which may delay the ability of our stockholders to force consideration of a proposal or to take action, including the removal of directors; and
advance notice procedures that stockholders must comply with in order to nominate candidates to our board of directors or to propose matters to be acted upon at a stockholders’ meeting, which may discourage or deter a potential acquiror from conducting a solicitation of proxies to elect the acquiror’s own slate of directors or otherwise attempting to obtain control of us.

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We are also subject to the anti-takeover provisions contained in Section 203 of the Delaware General Corporation Law. Under Section 203, a corporation may not, in general, engage in a business combination with any holder of 15% or more of its capital stock unless the holder has held the stock for three years or, among other exceptions, the board of directors has approved the transaction. For a description of our capital stock, see “Description of Capital Stock” in our Annual Report on Form 10-K for the year ended December 31, 2022.

Claims for indemnification by our directors and officers may reduce our available funds to satisfy successful third-party claims against us and may reduce the amount of money available to us.

Our amended and restated certificate of incorporation and amended and restated bylaws provide that we will indemnify our directors and officers, in each case, to the fullest extent permitted by Delaware law.

In addition, as permitted by Section 145 of the Delaware General Corporation Law, our amended and restated bylaws and our indemnification agreements that we have entered into with our directors and officers provide that:

We will indemnify our directors and officers for serving us in those capacities or for serving other business enterprises at our request, to the fullest extent permitted by Delaware law. Delaware law provides that a corporation may indemnify such person if such person acted in good faith and in a manner such person reasonably believed to be in or not opposed to the best interests of the registrant and, with respect to any criminal proceeding, had no reasonable cause to believe such person’s conduct was unlawful.
We may, in our discretion, indemnify employees and agents in those circumstances where indemnification is permitted by applicable law.
We are required to advance expenses, as incurred, to our directors and officers in connection with defending a proceeding, except that such directors or officers shall undertake to repay such advances if it is ultimately determined that such person is not entitled to indemnification.
We will not be obligated pursuant to our amended and restated bylaws to indemnify a person with respect to proceedings initiated by that person against us or our other indemnitees, except with respect to proceedings authorized by our board of directors or brought to enforce a right to indemnification.
The rights conferred in our amended and restated bylaws are not exclusive, and we are authorized to enter into indemnification agreements with our directors, officers, employees and agents and to obtain insurance to indemnify such persons.
We may not retroactively amend our amended and restated bylaw provisions to reduce our indemnification obligations to directors, officers, employees and agents.

Our amended and restated certificate of incorporation and amended and restated bylaws provide for an exclusive forum in the Court of Chancery of the State of Delaware for certain disputes between us and our stockholders, which could limit our stockholders’ ability to obtain a favorable judicial forum for disputes with us or our directors, officers or employees.

Our amended and restated certificate of incorporation and amended and restated bylaws provide that the Court of Chancery of the State of Delaware is the exclusive forum for any derivative action or proceeding brought on our behalf, any action asserting a breach of fiduciary duty, any action asserting a claim against us arising pursuant to the Delaware General Corporation Law, our amended and restated certificate of incorporation or our amended and restated bylaws, or any action asserting a claim against us that is governed by the internal affairs doctrine; provided that, the exclusive forum provision will not apply to suits brought to enforce any liability or duty created by the Securities Act or the Exchange Act or any other claim for which the federal courts have exclusive jurisdiction; and provided further that, if and only if the Court of Chancery of the State of Delaware dismisses any such action for lack of subject matter jurisdiction, such action may be brought in another state or federal court sitting in the State of Delaware. Nothing in our amended and restated certificate of incorporation or amended and restated bylaws precludes stockholders that assert claims under the Securities Act or the Exchange Act from bringing such claims in state or federal court, subject to applicable law.

We believe these provisions may benefit us by providing increased consistency in the application of Delaware law and federal securities laws by chancellors and judges, as applicable, particularly experienced in resolving corporate disputes, efficient administration of cases on a more expedited schedule relative to other forums and protection against the burdens of multi-forum litigation. This choice of forum provision may limit a stockholder’s ability to bring a claim in a judicial forum that it finds favorable for disputes with us or any of our directors, officers, other employees or stockholders, which may discourage lawsuits with respect to such claims, although our stockholders will not be deemed to have waived our compliance with federal securities laws and the rules and regulations thereunder. If a court were to find the choice of forum provision that will be contained in our amended and restated

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certificate of incorporation to be inapplicable or unenforceable in an action, we may incur additional costs associated with resolving such action in other jurisdictions, which could adversely affect our business and financial condition.

We do not currently intend to pay dividends on our common stock, and, consequently, your ability to achieve a return on your investment will depend on appreciation in the price of our common stock or our ability to timely complete the Offer and Merger.

We do not currently intend to pay any cash dividends on our common stock for the foreseeable future. We currently intend to invest our future earnings, if any, to fund our growth. Therefore, you are not likely to receive any dividends on your common stock for the foreseeable future. Since we do not intend to pay dividends, your ability to receive a return on your investment will depend on any future appreciation in the market value of our common stock or our ability to timely complete the Offer and Merger. There is no guarantee that our common stock will appreciate or even maintain the price at which our holders have purchased it, and there can be no assurance that we can timely complete the Offer and Merger or that the terms of any such transaction will be favorable.

General Risk Factors

Unfavorable global economic, market, industry or political conditions could adversely affect our business, financial condition or results of operations.

Our results of operations could be adversely affected by general conditions in the global economy and in the global financial markets, including the current inflationary economic environment and rising interest rates. A global financial crisis or a global or regional political disruption could cause extreme volatility in the capital markets and lead to diminished liquidity and credit availability, declines in consumer confidence and economic growth, increases in unemployment rates and uncertainty about economic stability. For instance, the COVID-19 pandemic has led to a period of considerable uncertainty and volatility. A severe or prolonged economic downturn or political disruption could result in a variety of risks to our business, including weakened demand for STS101, if approved, and our ability to raise additional capital when needed on acceptable terms, if at all. A weak or declining economy or political disruption could also strain our manufacturers or suppliers, possibly resulting in supply disruption, or resulting in the inability of any future customers to pay for STS101, if approved. In addition, historically high rising interest rates in the United States have begun to affect businesses across many industries, including ours, by increasing the costs of labor, employee healthcare, components and shipping, which may further constrain our customers’ or prospective customers’ budgets. To the extent there is a sustained general economic downturn and our products are perceived by customers or potential customers as costly, or too difficult to deploy or migrate to, our revenue may be disproportionately affected by delays or reductions in spending. We cannot predict the timing, strength, or duration of any economic slowdown, instability, or recovery, generally or within any particular industry. If the economic conditions of the general economy or markets in which we operate worsen from present levels, demand for our products, and our business, financial condition, and results of operations, could be adversely affected.

Market conditions and changing circumstances, some of which may be beyond our control, could impair our ability to access our existing cash, cash equivalents and investments and to timely pay key vendors and others.

Market conditions and changing circumstances, some of which may be beyond our control, could impair our ability to access our existing cash, cash equivalents and investments and to timely pay key vendors and others. For example, on March 10, 2023, Silicon Valley Bank (SVB), where we maintain certain accounts, was placed into receivership with the Federal Deposit Insurance Corporation (FDIC), which resulted in all funds held at SVB being temporarily inaccessible by SVB’s customers. If other banks and financial institutions with whom we have banking relationships enter receivership or become insolvent in the future, we may be unable to access, and we may lose, some or all of our existing cash, cash equivalents and investments to the extent those funds are not insured or otherwise protected by the FDIC. In addition, in such circumstances we might not be able to timely pay key vendors and others. We regularly maintain cash balances that are not insured or are in excess of the FDIC’s insurance limit. Any delay in our ability to access our cash, cash equivalents and investments (or the loss of some or all of such funds) or to timely pay key vendors and others could have a material adverse effect on our operations and cause us to need to seek additional capital sooner than planned.

If product liability lawsuits are brought against us, we may incur substantial liabilities and may be required to limit commercialization of STS101.

We face an inherent risk of product liability as a result of the planned clinical testing of STS101 and will face an even greater risk if we commercialize it. For example, we may be sued if STS101 allegedly causes injury. Any such product liability claims may include allegations of defects in manufacturing, defects in design, a failure to warn of dangers inherent in the product, negligence, strict liability, and a breach of warranty. Claims could also be asserted under state consumer protection acts. If we cannot successfully defend ourselves against product liability claims, we may incur substantial liabilities or be required to limit commercialization of STS101. Even successful defense would require significant financial and management resources. Regardless of the merits or eventual outcome, liability claims may result in:

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decreased demand for STS101;
injury to our reputation;
withdrawal of clinical trial participants;
costs to defend the related litigation;
a diversion of management’s time and our resources;
substantial monetary awards to trial participants or patients;
regulatory investigations, product recalls, withdrawals or labeling, marketing or promotional restrictions;
loss of revenue; and
the inability to commercialize STS101.

Our inability to obtain and maintain sufficient product liability insurance at an acceptable cost and scope of coverage to protect against potential product liability claims could prevent or inhibit the commercialization of STS101. We currently carry product liability insurance covering our clinical trials, however, any claim that may be brought against us could result in a court judgment or settlement in an amount that is not covered, in whole or in part, by our insurance or that is in excess of the limits of our insurance coverage. Our insurance policies also have various exclusions and deductibles, and we may be subject to a product liability claim for which we have no coverage. We will have to pay any amounts awarded by a court or negotiated in a settlement that exceed our coverage limitations or that are not covered by our insurance, and we may not have, or be able to obtain, sufficient funds to pay such amounts. Moreover, in the future, we may not be able to maintain insurance coverage at a reasonable cost or in sufficient amounts to protect us against losses. If and when we obtain approval for marketing any dose of STS101, we intend to expand our insurance coverage to include its sale; however, we may be unable to obtain this liability insurance on commercially reasonable terms or at all.

We depend on our and our third-party suppliers or providers’ information technology systems, and any failure of these systems could harm our business. Any real or perceived security breaches, loss of data, and other disruptions or incidents could compromise the privacy, security, integrity or confidentiality of sensitive information related to our business or prevent us from accessing critical information and expose us to liability and reputational harm, which could adversely affect our business, results of operations and financial condition.

We collect and maintain data and information that is necessary to conduct our business, and we are increasingly dependent on information technology systems and infrastructure to operate our business, including infrastructure operated and maintained by our third-party suppliers or providers. In the ordinary course of our business, we collect, store and transmit large amounts of confidential information, including intellectual property, proprietary business information and personal information. It is critical that we do so in a secure manner to maintain the privacy, security, confidentiality and integrity of such confidential information. We have established physical, electronic and organizational measures to safeguard and secure our systems and facilities to prevent an information compromise, and rely on commercially available systems, software, tools, and monitoring to provide security for our information technology systems and the processing, transmission and storage of digital information. We have also outsourced elements of our information technology infrastructure, and as a result a number of third-party vendors may or could have access to our confidential information.

Our information technology systems and infrastructure, and those of our current and any future collaborators, contractors and consultants and other third parties on which we rely, are vulnerable to attack, interruption, damage or unauthorized access or use resulting from computer viruses, malware, natural disasters, terrorism, war, telecommunication and electrical failures, denial-of-service attacks, cyberattacks or cyber-intrusions over the Internet, hacking, phishing and other social engineering attacks, attachments to emails, persons inside our organization (including employees or contractors), lost or stolen devices, or persons with access to systems inside our organization. These challenges have been made more difficult by the COVID-19 pandemic and continued hybrid work environment, which are driving greater dependency on electronic monitoring of our clinical trial sites. Such monitoring could prove to be less reliable and could increase data privacy and cybersecurity risks.

The risk of a security breach or disruption or data loss, particularly through social engineering attacks, cyberattacks or cyber-intrusion, including by computer hackers, foreign governments and cyber terrorists, has generally increased as the number, intensity and sophistication of attempted attacks and intrusions from around the world have increased. Furthermore, because the techniques used to obtain unauthorized access to, or to sabotage, systems change frequently and often are not recognized until launched against a target, we may be unable to anticipate these techniques or implement adequate preventative measures. We may also experience security breaches that may remain undetected for an extended period. Even if identified, we may be unable to adequately investigate

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or remediate incidents or breaches due to attackers increasingly using tools and techniques that are designed to circumvent controls, to avoid detection, and to remove or obfuscate forensic evidence.

The costs to us to mitigate, investigate and respond to potential security incidents, breaches, disruptions, network security problems, bugs, viruses, worms, malicious software programs and security vulnerabilities could be significant, and while we have implemented security measures to protect our data security and information technology systems, our efforts to address these problems may not be successful, and these problems could result in unexpected interruptions, delays, cessation of service and other harm to our business and our competitive position. We and certain of our service providers are from time to time subject to cyberattacks and security incidents. While we do not believe that we have experienced any significant system failure, accident or security breach to date, if such an event were to occur and cause interruptions in our operations, it could result in a material disruption of our product development programs. For example, the loss of clinical trial data from completed or ongoing or planned clinical trials could result in delays in our regulatory approval efforts and significantly increase our costs to recover or reproduce the data. Moreover, if a real or perceived security breach affects our systems (or those of our third-party providers or suppliers) or results in the loss of or accidental, unlawful or unauthorized access to, use of, release of or other processing of personally identifiable information or clinical trial data, our reputation could be materially damaged. In addition, such a breach may require notification to governmental agencies, the media or individuals pursuant to various federal and state privacy and security laws, if applicable, including HIPAA, regulations promulgated by the Federal Trade Commission and state breach notification laws. We would also be exposed to a risk of loss, negative publicity, harm to our reputation, governmental investigation and/or enforcement actions, claims or litigation and potential liability, which could materially adversely affect our business, results of operations and financial condition. Further, our insurance coverage may not be sufficient to cover the financial, legal, business or reputational losses that may result from an interruption or breach of our systems.

Our employees and independent contractors, including principal investigators, consultants, commercial collaborators, service providers and other vendors may engage in misconduct or other improper activities, including noncompliance with regulatory standards and requirements, which could have an adverse effect on our results of operations.

We are exposed to the risk that our employees and independent contractors, including principal investigators, consultants, any future commercial collaborators, service providers and other vendors may engage in misconduct or other illegal activity. Misconduct by these parties could include intentional, reckless and/or negligent conduct or other unauthorized activities that violate the laws and regulations of the FDA and other similar regulatory bodies, including those laws that require the reporting of true, complete and accurate information to such regulatory bodies; manufacturing standards; U.S. federal and state fraud and abuse laws, data privacy and security laws and other similar non-U.S. laws; or laws that require the true, complete and accurate reporting of financial information or data. Activities subject to these laws also involve the improper use or misrepresentation of information obtained in the course of clinical trials, the creation of fraudulent data in our preclinical studies or clinical trials, or illegal misappropriation of product, which could result in regulatory sanctions and cause serious harm to our reputation. It is not always possible to identify and deter misconduct by employees and other third-parties, and the precautions we take to detect and prevent this activity may not be effective in controlling unknown or unmanaged risks or losses or in protecting us from governmental investigations or other actions or lawsuits stemming from a failure to be in compliance with such laws or regulations. In addition, we are subject to the risk that a person or government could allege such fraud or other misconduct, even if none occurred. If any such actions are instituted against us, and we are not successful in defending ourselves or asserting our rights, those actions could have a significant impact on our business and financial results, including, without limitation, the imposition of significant civil, criminal and administrative penalties, damages, monetary fines, disgorgement, possible exclusion from participation in Medicare, Medicaid and other U.S. federal healthcare programs or healthcare programs in other jurisdictions, integrity oversight and reporting obligations to resolve allegations of non-compliance, imprisonment, other sanctions, contractual damages, reputational harm, diminished profits and future earnings and curtailment of our operations, any of which could adversely affect our ability to operate our business and our results of operations.

If our trademarks and trade names are not adequately protected, then we may not be able to build name recognition in our markets of interest and our business may be adversely affected.

Our unregistered trademarks or trade names may be challenged, infringed, circumvented or declared generic or determined to be infringing on other marks. We may not be able to protect our rights to these trademarks and trade names, which we need to build name recognition among potential partners or customers in our markets of interest. At times, competitors may adopt trade names or trademarks similar to ours, thereby impeding our ability to build brand identity and possibly leading to market confusion. In addition, there could be potential trade name or trademark infringement claims brought by owners of other trademarks or trademarks that incorporate variations of our unregistered trademarks or trade names. Over the long term, if we are unable to establish name recognition based on our trademarks and trade names, then we may not be able to compete effectively and our business may be adversely affected. We may license our trademarks and trade names to third parties, such as distributors. Though these license agreements may provide guidelines for how our trademarks and trade names may be used, a breach of these agreements or misuse of our trademarks and tradenames by our licensees may jeopardize our rights in or diminish the goodwill associated with our trademarks and trade names. Our efforts to enforce or protect our proprietary rights related to trademarks, trade names, trade secrets, domain

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names, copyrights or other intellectual property may be ineffective and could result in substantial costs and diversion of resources and could adversely affect our financial condition or results of operations.

Changes in patent law in the U.S. or in other countries could diminish the value of patents in general, thereby impairing our ability to protect STS101.

Our patent rights may be affected by developments or uncertainty in U.S. or ex-U.S. patent statutes, patent case laws in USPTO rules and regulations or in the rules and regulations of ex-U.S. patent offices. There are a number of recent changes to the U.S. patent laws that may have a significant impact on our ability to protect our technology and enforce our intellectual property rights. For example, on September 16, 2011, the Leahy-Smith America Invents Act, or Leahy-Smith Act, was signed into law. The Leahy-Smith Act includes a number of significant changes to U.S. patent law. These include provisions that affect the way patent applications will be prosecuted and may also affect patent litigation. In particular, under the Leahy-Smith Act, the United States transitioned in March 2013 to a “first to file” system in which the first inventor to file a patent application will be entitled to the patent. Third parties are allowed to submit prior art before the issuance of a patent by the USPTO, and may become involved in post-grant proceedings including opposition, derivation, reexamination, inter partes review or interference proceedings challenging our patent rights or the patent rights of others. An adverse determination in any such submission, proceeding or litigation could reduce the scope or enforceability of, or invalidate, our patent rights, which could adversely affect our competitive position. This could have a negative impact on some of our intellectual property and could increase uncertainties surrounding obtaining and enforcement or defense of issued patents relating to STS101. In addition, Congress may pass patent reform legislation that is unfavorable to us. The Supreme Court has ruled on several patent cases in recent years, either narrowing the scope of patent protection available in certain circumstances or weakening the rights of patent owners in certain situations. In addition to increasing uncertainty with regard to our ability to obtain patents in the future, this combination of events has created uncertainty with respect to the value of patents, once obtained. Depending on decisions by Congress, the federal courts and the USPTO, the laws and regulations governing patents could change in unpredictable ways that would weaken our ability to obtain new patents or to enforce our existing patents and patents we might obtain in the future.

Similarly, statutory or judicial changes to the patent laws of other countries may increase the uncertainties and costs surrounding the prosecution of patent applications and the enforcement or defense of issued patents.

We may not be able to protect our intellectual property rights throughout the world.

Filing, prosecuting and defending all current and future patents in all countries throughout the world would be prohibitively expensive, and our intellectual property rights in some countries outside the United States can be less extensive than those in the United States. In addition, the laws of some foreign countries do not protect intellectual property rights to the same extent as federal and state laws in the United States. Consequently, we may not be able to prevent third parties from practicing our inventions in all countries outside the United States, or from selling or importing products made using our inventions in and into the United States or other jurisdictions. Competitors may use our technologies in jurisdictions where we have not obtained patent protection to develop their own products and, further, may export otherwise infringing products to territories where we have patent protection but enforcement is not as strong as that in the United States. These products may compete with STS101, and our patents or other intellectual property rights may not be effective or sufficient to prevent them from competing.

In addition, geo-political actions in the United States and in foreign countries could increase the uncertainties and costs surrounding the prosecution or maintenance of our patent applications or those of any current or future licensors and the maintenance, enforcement or defense of future issued patents or those of any future licensors. For example, the United States and foreign government actions related to Russia’s conflict in Ukraine may limit or prevent filing, prosecution, and maintenance of patent applications in Russia. Government actions may also prevent maintenance of issued patents in Russia. In addition, a decree was adopted by the Russian government in March 2022, allowing Russian companies and individuals to exploit inventions owned by patentees from the United States without consent or compensation. Consequently, we would not be able to prevent third parties from practicing our inventions in Russia or from selling or importing products made using our inventions in and into Russia. Accordingly, our competitive position may be impaired, and our business, financial condition, results of operations and prospects may be adversely affected.

The legal systems of many foreign countries do not favor the enforcement of patents and other intellectual property protection, which could make it difficult for us to stop the infringement of our patents or marketing of competing products in violation of our proprietary rights. For example, some foreign countries have compulsory licensing laws under which a patent owner must grant licenses to third parties. In addition, some countries limit the enforceability of patents against third parties, including government agencies or government contractors. In these countries, patents may provide limited or no benefit. Proceedings to enforce our patent rights in foreign jurisdictions could result in substantial costs and divert our efforts and attention from other aspects of our business, could put our patents at risk of being invalidated or interpreted narrowly and our patent applications at risk of not issuing and could

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provoke third parties to assert claims against us. We may not prevail in any lawsuits that we initiate, and the damages or other remedies awarded, if any, may not be commercially meaningful. Accordingly, our efforts to enforce our intellectual property rights around the world may be inadequate to obtain a significant commercial advantage from the intellectual property that we develop or license.

Finally, Europe’s planned Unified Patent Court may in particular present uncertainties for our ability to protect and enforce our patent rights against competitors in Europe. In 2012, the European Patent Package, or EU Patent Package, regulations were passed with the goal of providing a single pan-European Unitary Patent and a new European Unified Patent Court, or UPC, for litigation involving European patents. Implementation of the EU Patent Package will likely occur in the first half of 2023. Under the UPC, all European patents, including those issued prior to ratification of the European Patent Package, will by default automatically fall under the jurisdiction of the UPC. The UPC will provide our competitors with a new forum to centrally revoke our European patents, and allow for the possibility of a competitor to obtain pan-European injunctions. It will be several years before we will understand the scope of patent rights that will be recognized and the strength of patent remedies that will be provided by the UPC. Under the EU Patent Package as currently proposed, we will have the right to opt our patents out of the UPC over the first seven years of the court’s existence, but doing so may preclude us from realizing the benefits of the new unified court.

Obtaining and maintaining patent protection depends on compliance with various procedural, document submission, fee payment and other requirements imposed by governmental patent agencies, and our patent protection could be reduced or eliminated for non-compliance with these requirements.

The USPTO and various foreign governmental patent agencies require compliance with a number of procedural, documentary, fee payment and other provisions during the patent process. Periodic maintenance fees, renewal fees, annuity fees and various other governmental fees on patents and/or applications will be due to be paid to the USPTO and various governmental patent agencies outside of the U.S. in several stages over the lifetime of the patents and/or applications. We employ reputable professionals and rely on such third parties to help us comply with these requirements and effect payment of these fees with respect to the patents and patent applications that we own, and if we license intellectual property we may have to rely upon our licensors to comply with these requirements and effect payment of these fees with respect to any patents and patent applications that we license. In many cases, an inadvertent lapse can be cured by payment of a late fee or by other means in accordance with the applicable rules. However, there are situations in which noncompliance can result in abandonment or lapse of a patent or patent application, resulting in partial or complete loss of patent rights in the relevant jurisdiction. In such an event, competitors might be able to enter the market earlier than would otherwise have been the case.

Intellectual property rights do not necessarily address all potential threats to our competitive advantage.

The degree of future protection afforded by our intellectual property rights is uncertain because intellectual property rights have limitations, and may not adequately protect our business or permit us to maintain our competitive advantage. For example:

others may be able to make therapies that are similar to ours but that are not covered by the claims of the patents that we own or have exclusively licensed;
we or our licensors or future collaborators might not have been the first to make the inventions covered by the issued patents or pending patent applications that we own or have exclusively licensed;
we or our licensors or future collaborators might not have been the first to file patent applications covering certain of our inventions;
others may independently develop similar or alternative technologies or duplicate any of our technologies without infringing our intellectual property rights;
it is possible that our pending patent applications will not lead to issued patents;
issued patents that we own or have exclusively licensed may be held invalid or unenforceable, as a result of legal challenges by our competitors;
our competitors might conduct research and development activities in countries where we do not have patent rights and then use the information learned from such activities to develop competitive products for sale in our major commercial markets;
we may not develop additional proprietary technologies that are patentable; and
the patents of others may have an adverse effect on our business.

Should any of these events occur, they could significantly harm our business, results of operations and prospects.

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If securities or industry analysts do not publish research or reports about our business, or if they issue an adverse or misleading opinion regarding our stock or business, our stock price and trading volume could decline.

The trading market for our common stock will be influenced by the research and reports that industry or securities analysts publish about us or our business. We do not currently have and may never obtain research coverage by securities and industry analysts. If no or few securities or industry analysts commence coverage of us, the trading price for our stock would be negatively impacted. In the event we obtain securities or industry analyst coverage, if any of the analysts who cover us issue an adverse or misleading opinion regarding us, our business model, our intellectual property or our stock performance, or if our clinical trials and operating results fail to meet the expectations of analysts, demand for our common stock could decrease and our stock price could decline. If one or more of these analysts cease coverage of us or fail to publish reports on us regularly, we could lose visibility in the financial markets, which in turn could cause our stock price or trading volume to decline.

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Item 2. Unregistered Sales of Equity Securities and Use of Proceeds.

a)
Sales of Unregistered Securities

None.

b)
Use of Proceeds from our Initial Public Offering of Common Stock

On September 12, 2019, the U.S. Securities and Exchange Commission declared effective our registration statement on Form S-1 (File No. 333-233347), as amended, filed in connection with our initial public offering (“IPO”).

There has been no material change in our planned use of the net proceeds from our IPO as described in our final prospectus filed pursuant to Rule 424(b)(4) under the Securities Act with the SEC on September 13, 2019.

c)
Repurchases of Shares or of Company Equity Securities

None.

Item 3. Defaults Upon Senior Securities.

None.

Item 4. Mine Safety Disclosures.

None.

Item 5. Other Information.

None.

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Item 6. Exhibits.

 

Exhibit

 

Exhibit Description

 

Incorporated by Reference

 

Filed

Number

 

 

 

Form

 

Date

 

Number

 

Herewith

 

 

 

 

 

 

 

 

 

 

 

3.1

 

Amended and Restated Certificate of Incorporation.

 

8-K

 

9/17/2019

 

3.1

 

 

 

 

 

 

 

 

 

 

 

 

 

3.2

 

Amended and Restated Bylaws.

 

8-K

 

9/17/2019

 

3.2

 

 

 

 

 

 

 

 

 

 

 

 

 

4.1

 

Reference is made to exhibits 3.1 through 3.2.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.2

 

Form of Common Stock Certificate.

 

S-1/A

 

9/3/2019

 

4.2

 

 

 

 

 

 

 

 

 

 

 

 

 

4.3

 

Amended and Restated Investors’ Rights Agreement, dated as of April 23, 2019, by and among Satsuma Pharmaceuticals, Inc. and the investors party thereto.

 

S-1

 

8/16/2019

 

4.3

 

 

 

 

 

 

 

 

 

 

 

 

 

2.1

 

Agreement and Plan of Merger, dated as of April 16, 2023, by and among Satsuma Pharmaceuticals, Inc., Shin Nippon Biomedical Laboratories, Ltd. and SNBL23 Merger Sub, Inc.

 

8-K

 

4/17/2023

 

2.1

 

 

 

 

 

 

 

 

 

 

 

 

 

2.2

 

Tender and Support Agreement, dated as of April 16, 2023, by among Shin Nippon Biomedical Laboratories, Ltd., SNBL23 Merger Sub, Inc. and certain stockholders and directors of the Company

 

8-K

 

4/17/2023

 

2.2

 

 

 

 

 

 

 

 

 

 

 

 

 

10.1

 

Form of Contingent Value Rights Agreement to be entered into between Shin Nippon Biomedical Laboratories, Ltd. and American Stock Transfer & Trust Company, LLC.

 

8-K

 

4/17/2023

 

10.1

 

 

 

 

 

 

 

 

 

 

 

 

 

10.2

 

Separation Agreement, dated March 31, 2023, by and between Detlef Albrecht and Satsuma Pharmaceuticals, Inc.

 

 

 

 

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

31.1

 

Certification of Principal Executive Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

 

 

 

 

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

31.2

 

Certification of Principal Financial Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

 

 

 

 

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

32.1*

 

Certification by the Principal Executive Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.

 

 

 

 

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

32.2*

 

Certification by the Principal Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.

 

 

 

 

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

101.INS

 

XBRL Instance Document – The instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document

 

 

 

 

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

101.SCH

 

Inline XBRL Taxonomy Extension Schema Document

 

 

 

 

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

101.CAL

 

Inline XBRL Taxonomy Extension Calculation Linkbase Document

 

 

 

 

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

101.DEF

 

Inline XBRL Taxonomy Extension Definition Linkbase Document

 

 

 

 

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

101.LAB

 

Inline XBRL Taxonomy Extension Labels Linkbase Document

 

 

 

 

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

101.PRE

 

Inline XBRL Taxonomy Extension Presentation Linkbase Document

 

 

 

 

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

104

 

Cover Page Interactive Data File (formatted as Inline XBRL with applicable taxonomy extension information contained in Exhibits 101)

 

 

 

 

 

 

 

 

 

* The certifications attached as Exhibit 32.1 and 32.2 that accompanies this Quarterly Report on Form 10-Q is not deemed filed with the SEC and is not to be incorporated by reference into any filing of Satsuma Pharmaceuticals, Inc. under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, whether made before or after the date of this Form 10-Q, irrespective of any general incorporation language contained in such filing.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

 

Satsuma Pharmaceuticals, Inc.

Date: May 11, 2023

By:

/s/ John Kollins

Name: John Kollins

Title: President and Chief Executive Officer (Principal Executive Officer)

 

Date: May 11, 2023

By:

/s/ Tom O’Neil

Name: Tom O’Neil

Title: Chief Financial Officer (Principal Financial and Accounting Officer)

 

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