Viking Therapeutics, Inc. - Quarter Report: 2020 June (Form 10-Q)

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)

For the quarterly period ended June 30, 2020

OR

For the transition period from                      to                     

Commission File Number 001-37355

VIKING THERAPEUTICS, INC.

(Exact name of registrant as specified in its charter)

(858) 704-4660

(Registrant’s telephone number, including area code)

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, a 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:

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  ☒

Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practicable date:

VIKING THERAPEUTICS, INC.

FORM 10-Q FOR THE SIX MONTHS ENDED JUNE 30, 2020

TABLE OF CONTENTS

PART I. FINANCIAL INFORMATION

Viking Therapeutics, Inc.

Balance Sheets

(In thousands, except share and per share amounts)

See accompanying notes to the financial statements.

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Viking Therapeutics, Inc.

Statements of Operations and Comprehensive Loss

(In thousands, except per share amounts)

(Unaudited)

See accompanying notes to the financial statements.

2

Viking Therapeutics, Inc.

Statements of Stockholders’ Equity

(In thousands, except share amounts)

(Unaudited)

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See accompanying notes to the financial statements.

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Viking Therapeutics, Inc.

Statements of Cash Flows

(In thousands)

(Unaudited)

See accompanying notes to the financial statements.

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Viking Therapeutics, Inc.

NOTES TO FINANCIAL STATEMENTS

(Unaudited)

1. Organization, Liquidity and Management’s Plan, and Summary of Significant Accounting Policies

The Company

Viking Therapeutics, Inc., a Delaware corporation (the “Company”), is a clinical-stage biopharmaceutical company focused on the development of novel therapies for metabolic and endocrine disorders.

The Company was incorporated under the laws of the State of Delaware on September 24, 2012 and its principal executive offices are located in San Diego, California.

Basis of Presentation

The accompanying financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”). The accompanying balance sheet as of June 30, 2020, statements of operations for the three and six months ended June 30, 2020 and 2019, statements of stockholders’ equity for the three and six months ended June 30, 2020 and 2019 and statements of cash flows for the six months ended June 30, 2020 and 2019 are unaudited. These unaudited financial statements have been prepared in accordance with the rules and regulations of the United States Securities and Exchange Commission (“SEC”) for interim financial information. Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements. These financial statements should be read in conjunction with the audited financial statements and the accompanying notes for the year ended December 31, 2019 contained in the Annual Report on Form 10-K filed by the Company with the SEC on February 26, 2020. The unaudited interim financial statements have been prepared on the same basis as the annual financial statements and, in the opinion of management, reflect all adjustments (consisting of normal recurring adjustments) necessary to state fairly the Company’s financial position as of June 30, 2020, the results of operations for the three and six months ended June 30, 2020 and 2019, the statements of stockholders’ equity for the three and six months ended June 30, 2020 and 2019 and cash flows for the six months ended June 30, 2020 and 2019. The December 31, 2019 balance sheet included herein was derived from the audited financial statements, but it does not include all disclosures or notes required by GAAP for complete financial statements.

The financial data and other information disclosed in these notes to the financial statements related to the three and six months ended June 30, 2020 and 2019 are unaudited. Interim results are not necessarily indicative of results for an entire year.

Risks and Uncertainties

The Company is subject to risks and uncertainties as a result of the COVID-19 pandemic. The extent of the impact of the COVID-19 pandemic on the Company’s business is highly uncertain and difficult to predict, as the responses that the Company, other businesses and governments are taking continue to evolve. Furthermore, capital markets and economies worldwide have also been negatively impacted by the COVID-19 pandemic, and it is possible that it could cause a local and/or global economic slowdown or recession. Policymakers around the globe have responded with fiscal policy actions to support the healthcare industry and economy as a whole. The magnitude and overall effectiveness of these actions remain uncertain.

In addition, the Company’s clinical trials have been affected by and may continue to be affected by the COVID-19 pandemic. Clinical site initiation and patient enrollment have and may continue to be delayed due to prioritization of hospital resources toward the COVID-19 pandemic. Some patients have not and others may not be able to comply with clinical trial protocols if quarantines impede patient movement or interrupt healthcare services. Similarly, the ability to recruit and retain patients and principal investigators and site staff who, as healthcare providers, may have heightened exposure to COVID-19, may adversely impact the Company’s clinical trial operations.

The severity of the impact of the COVID-19 pandemic on the Company’s business will depend on a number of factors, including, but not limited to, the duration and severity of the pandemic and the extent and severity of the impact on the Company’s service providers, suppliers, contract research organizations (“CROs”) and the Company’s clinical trials, all of which are uncertain and cannot be predicted. As of the date of issuance of Company’s financial statements, the extent to which the COVID-19 pandemic may materially impact the Company’s financial condition, liquidity or results of operations is uncertain.

Reclassification

Certain amounts reported in prior years in the Statements of Cash Flows have been reclassified to conform to the current year’s presentation.

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Use of Estimates

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the accompanying financial statements. Significant estimates made in preparing these financial statements relate to accounting for an operating lease and certain commitments. Actual results could differ from those estimates.

Cash and Cash Equivalents

The Company considers all highly liquid investments with maturities of three months or less from the date of purchase to be cash equivalents.

Investments Available-for-Sale

Available-for-sale securities are carried at fair value, with the unrealized gains and losses reported in accumulated other comprehensive income (loss). The amortized cost of debt securities is adjusted for amortization of premiums and accretion of discounts to maturity. The amortization of premiums and accretion of discounts is included in interest income. Realized gains and losses and declines in value judged to be other-than-temporary, if any, on available-for-sale securities are included in other income (expense). The cost of securities sold is based on the specific identification method. Interest and dividends on securities classified as available-for-sale are included in interest income.

Concentration of Credit Risk

Financial instruments, which potentially subject the Company to concentration of credit risk, consist primarily of cash and cash equivalents and marketable securities. The Company maintains deposits in federally insured depository institutions in excess of federally insured limits. Management believes that the Company is not exposed to significant credit risk due to the financial position of the depository institutions in which those deposits are held. Additionally, the Company has established guidelines regarding approved investments and maturities of investments, which are designed to maintain safety and liquidity.

Prepaid Clinical Trial and Preclinical Study Costs

Prepaid clinical trial and preclinical study costs represent advance payments by the Company for future clinical trial and preclinical study services to be performed by the clinical research organization and other research organizations.  Such amounts are recognized as research and development expense as the related clinical trial and preclinical study services are performed.    

Leases

The Company determines if an arrangement is a lease at inception. Operating leases are included in ROU assets, and lease liability obligations are included in the Company’s balance sheets. ROU assets represent the Company’s right to use an underlying asset for the lease term and lease liability obligations represent its obligation to make lease payments arising from the lease. ROU assets and liabilities are recognized at the commencement date based on the present value of lease payments over the lease term. As the Company’s leases typically do not provide an implicit rate, the Company estimates its incremental borrowing rate based on the information available at commencement date in determining the present value of lease payments. The Company uses the implicit rate when readily determinable. The ROU asset also includes any lease payments made and excludes lease incentives and lease direct costs. The Company’s lease terms may include options to extend or terminate the lease when it is reasonably certain that the Company will exercise that option. Lease expense is recognized on a straight-line basis over the lease term. Please refer to Note 4 for additional information.

Deferred Financing Costs

Deferred financing costs represent legal, accounting and other direct costs related to the Company’s efforts to raise capital through a public or private sale of the Company’s common stock. Costs related to the public sale of the Company’s common stock are deferred until the completion of the applicable offering, at which time such costs are reclassified to additional paid-in-capital as a reduction of the proceeds.  Costs related to the private sale of the Company’s common stock are deferred until the completion of the applicable offering, at which time such costs are amortized over the term of the applicable purchase agreement.

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Revenue Recognition

The Company has not recorded any revenues since its inception. However, in the future, the Company may enter into collaborative research and licensing agreements, under which the Company could be eligible for payments made in the form of upfront license fees, research funding, cost reimbursement, contingent event-based payments and/or royalties.

On January 1, 2018, the Company adopted Financial Accounting Standards Board Accounting Standards Update No. 2014-09, Revenue from Contracts with Customers and all related amendments (“ASC 606” or “the new revenue standard”). ASC 606 is a single comprehensive model for entities to use in accounting for revenue arising from contracts with customers and supersedes most current revenue recognition guidance, including industry-specific guidance. The new revenue standard is based on the principle that an entity should recognize revenue to depict the transfer of goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. To achieve this core principle, ASC 606 provides that an entity should apply the following steps: (1) identify the contract(s) with a customer, (2) identify the performance obligations in the contract, (3) determine the transaction price, (4) allocate the transaction price to the performance obligations in the contract and (5) recognize revenue when (or as) the entity satisfies a performance obligation. The new revenue standard also requires additional disclosure about the nature, amount, timing and uncertainty of revenue and cash flows arising from customer contracts, and costs to obtain or fulfill contracts. The Company will apply ASC 606 prospectively to all contracts.  

Research and Development Expenses

All costs of research and development are expensed in the period incurred. Research and development costs primarily consist of fees paid to CROs and clinical trial sites, employee and consultant related expenses, which include salaries, benefits and stock-based compensation for research and development personnel, external research and development expenses incurred pursuant to agreements with third-party manufacturing organizations, facilities costs, travel costs, dues and subscriptions, depreciation and materials used in preclinical studies, clinical trials and research and development.

The Company estimates its preclinical study and clinical trial expenses based on the services it received pursuant to contracts with research institutions and CROs that conduct and manage preclinical studies and clinical trials on the Company’s behalf. Clinical trial-related contracts vary significantly in length, and may be for a fixed amount based on milestones or deliverables, a variable amount based on actual costs incurred, capped at a certain limit, or a combination of these elements. The Company accrues service fees based on work performed, which relies on estimates of total costs incurred based on milestones achieved, patient enrollment and other events. The majority of the Company’s service providers invoice the Company in arrears, and to the extent that amounts invoiced differ from its estimates of expenses incurred, the Company accrues for additional costs. The financial terms of these agreements vary from contract to contract and may result in uneven expenses and payment flows. Preclinical study and clinical trial expenses include:

Payments under some of these agreements depend on factors such as the milestones accomplished, including enrollment of certain numbers of patients, site initiation and the completion of clinical trial milestones. To date, the Company has not experienced any events requiring it to make material adjustments to its accruals for service fees. If the Company does not identify costs that it has begun to incur or if it underestimates or overestimates the level of services performed or the costs of these services, its actual expenses could differ from its estimates which could materially affect its results of operations. Adjustments to the Company’s accruals are recorded as changes in estimates become evident. Furthermore, based on amounts invoiced to the Company by its service providers, the Company may also record payments made to those providers as prepaid expenses that will be recognized as expense in future periods as services are rendered.

Patent Costs

Costs related to filing and pursuing patent applications are expensed as incurred to general and administrative expense, as recoverability of such expenditures is uncertain.

Stock-Based Compensation

The Company generally uses the straight-line method to allocate compensation cost to reporting periods over each optionee’s requisite service period, which is generally the vesting period, and estimates the fair value of stock-based awards or restricted stock units to employees and directors using the Black-Scholes option-valuation model (the “Black-Scholes model”). The Black-Scholes model requires the input of subjective assumptions, including volatility, the expected term and the fair value of the underlying common stock

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on the date of grant, among other inputs. For restricted stock and restricted stock unit awards, the Company generally uses the straight-line method to allocate compensation cost to reporting periods over the holder’s requisite service period, which is generally the vesting period, and uses the fair value at grant date to value the awards. For restricted stock that vests upon the satisfaction of certain performance conditions, the Company recognizes stock-based compensation expense when it becomes probable that the performance conditions will be met. At the grant date, the Company determines the grant date fair value, as a publicly traded company, using the intrinsic value, or the closing price of the Company’s common stock on the date of grant. At the point where the criteria are deemed probable of being met, the Company records stock-based compensation with a cumulative catch-up expense in the period first recognized and then on a straight-line basis over the remaining period for which the performance criteria are expected to be completed.

For the Company’s 2014 Employee Stock Purchase Plan (the “ESPP”), the Company generally recognizes compensation expense for the fair value of the purchase options, as measured on the grant date, and uses the graded vesting method to allocate this compensation cost to each purchase period within the related two-year offering period. As the ESPP also allows for up to one increase in contributions during each purchase period, as an employee elects to increase his or her contributions, the Company treats this as an accounting modification. The pre- and post-modification values are calculated on the date of the modification, and the incremental expense is then amortized over the remaining purchase periods.    

Income Taxes

The Company accounts for its income taxes using the liability method whereby deferred tax assets and liabilities are determined based on temporary differences between the basis used for financial reporting and income tax reporting purposes. Deferred income taxes are provided based on the enacted tax rates in effect at the time such temporary differences are expected to reverse. A valuation allowance is provided for deferred tax assets if it is more likely than not that the Company will not realize those tax assets through future operations.

ASC Topic 740-10, Income Taxes, clarifies the accounting for uncertainty in income taxes recognized in the Company’s financial statements in accordance with GAAP.  Income tax positions must meet a more-likely-than-not recognition threshold to be recognized. Income tax positions that previously failed to meet the more-likely-than-not threshold are recognized in the first subsequent financial reporting period in which that threshold is met. Previously recognized tax positions that no longer meet the more-likely-than-not threshold are derecognized in the first subsequent financial reporting period in which that threshold is no longer met.

The Company’s policy is to recognize interest and penalties accrued on any unrecognized tax benefits as a component of income tax expense.

Net Loss per Common Share

Basic net loss per share is calculated by dividing the net loss attributable to common stockholders by the weighted-average number of common shares outstanding for the period, without consideration for common stock equivalents. Diluted net loss per share is computed by dividing the net loss attributable to common stockholders by the weighted-average number of common share equivalents outstanding for the period determined using the treasury-stock method. For purposes of this calculation, the Company currently does not have any deemed common share equivalents; therefore, its basic and diluted net loss per share calculations are the same.

The following table presents the computation of basic and diluted net loss per common share (in thousands, except share and per share data):

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Potentially dilutive securities that are not included in the calculation of diluted net loss per share because their effect is anti-dilutive are as follows (in common equivalent shares):

Segments

The Company operates in only one segment. Management uses cash flows as the primary measure to manage its business and does not segment its business for internal reporting or decision making purposes.

2. Investments in Marketable Securities

The Company’s investment strategy is focused on capital preservation. The Company invests in instruments that meet the credit quality standards outlined in the Company’s investment policy. This policy also limits the amount of credit exposure to any one issue or type of instrument.  As of June 30, 2020, the Company’s investments were in government money market funds and corporate debt securities.  As of December 31, 2019, the Company’s investments were in money market funds, commercial paper and corporate debt securities.  There were no sales of available-for-sale securities during the three and six months ended June 30, 2020 or during the year ended December 31, 2019.

Investments classified as available-for-sale as of June 30, 2020 consisted of the following (in thousands):

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Investments classified as available-for-sale as of December 31, 2019 consisted of the following (in thousands):

3. Fair Value of Financial Instruments

The Company’s financial instruments consist of cash and cash equivalents, investments and accounts payable. The carrying amounts reported in the accompanying balance sheets for cash and cash equivalents and accounts payable approximate fair value because of the short-term maturity of those instruments. Fair value measurements are classified and disclosed in one of the following three categories:

Level 1 —Quoted prices in active markets for identical assets or liabilities.

Level 2 —Inputs other than Level 1 that are observable, either directly or indirectly, 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.

Level 3 —Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities.

As of June 30, 2020 and December 31, 2019, all of the Company’s financial assets that were subject to fair value measurements were valued using observable inputs. The Company’s financial assets valued based on Level 1 inputs consist of money market funds and certificates of deposit. The Company’s financial assets valued based on Level 2 inputs consist of corporate debt securities, which consist of investments in highly-rated investment-grade corporations.

The Company’s investment strategy is focused on capital preservation. The Company invests in instruments that meet the credit quality standards outlined in the Company’s investment policy. This policy also limits the amount of credit exposure to any one issue or type of instrument. As of June 30, 2020, the Company’s investments were in government money market funds and corporate debt securities.

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The fair values of the Company’s financial instruments are presented below (in thousands):

4. Operating Leases – ROU Assets and Lease Liability Obligations

The Company has only one operating lease which is for office space that expires in January 2022. Below is a summary of the Company’s ROU assets and lease liabilities as of June 30, 2020 and December 31, 2019 (in thousands, except for years and %):

During the three and six months ended June 30, 2020, the Company recognized $77,000 and $154,000, respectively, in operating lease expenses, which are included in operating expenses in the Company’s statement of operations.

During the three and six months ended June 30, 2019, the Company recognized $77,000 and $154,000, respectively, in operating lease expenses, which are included in operating expenses in the Company’s statement of operations.

Approximate future minimum lease payments for the Company’s ROU assets over the remaining lease period as of June 30, 2020 are as follows (in thousands):

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5. Stockholders’ Equity

Preferred Stock

The Company is authorized to issue up to 10,000,000 shares of preferred stock, $0.00001 par value per share, with no shares of preferred stock outstanding as of June 30, 2020 and December 31, 2019. The Company’s Board of Directors is authorized to designate the terms and conditions of any preferred stock the Company may issue without further action by the stockholders of the Company.

Common Stock

The Company is authorized to issue up to 300,000,000 shares of common stock, $0.00001 par value per share.

In February 2014, the Company entered into a stock purchase agreement with one of its founders. The agreement provided for the purchase of 1,000,000 shares of the Company’s common stock at a price per share of $0.01 in exchange for future services to be rendered to the Company as measured by certain performance criteria. The shares were subject to a repurchase option and were to vest in two tranches of 500,000 shares each, upon achievement of the performance target or upon a triggering event as defined.

The Company determined that the fair value of the unrecognized expense was $168,000 at February 20, 2014, the grant date. In May 2015, the Company repurchased 633,810 of these shares at a purchase price of $0.00001 per share. In connection with the repurchase, the Company entered into an amendment to the stock purchase agreement to provide that the remaining 366,190 shares will continue to vest in two tranches of 183,095 shares each, upon achievement of the performance target or upon a triggering event as defined. The pro rata grant date fair value of the unrecognized expense is $62,000.  In October 2015, a triggering event became probable of occurrence and was deemed achieved in October 2016; therefore, the Company recorded $31,000 of stock-based compensation expense through December 31, 2016.  No similar expense was recognized during the three and six months ended June 30, 2020 and 2019.  The Company will continue to reassess at each reporting period whether it is probable that the performance target will be achieved, and if and when it is deemed probable, the Company will begin to record compensation expense using the fair value to determine stock-based compensation expense in its financial statements over the period the Company estimates the performance target will actually be achieved. 

On February 8, 2017, the Company entered into a Stock Purchase Agreement (the “SPA”) with PoC Capital, LLC (“PoC”), pursuant to which, among other things, the Company issued to PoC 1,286,173 shares of its common stock.  Under the terms of the SPA, PoC agreed to fund $1.8 million in study costs associated with certain clinical studies.  Any study costs in excess of that amount were to be the Company’s sole responsibility.  The Company accounted for the $1.8 million as a prepaid expense on the balance sheet, which was fully amortized as of December 31, 2019.  During the three and six months ended June 30, 2019, the Company recorded amortization expense of $6,000 and $140,000, respectively, in clinical study costs related to the SPA with PoC.

On September 28, 2017, the Company entered into a purchase agreement with Lincoln Park Capital Fund, LLC (“LPC”) pursuant to which, on September 29, 2017, the Company sold to LPC 701,282 shares of common stock at a price of approximately $1.78 per share for an aggregate purchase price of $1.3 million, pursuant to the Company’s effective shelf registration statement on Form S-3 (File No. 333-212134), filed with the SEC on June 20, 2016, as amended by Amendment No. 1 thereto filed with the SEC on July 26, 2016, and declared effective on July 26, 2016, and the prospectus supplement thereto dated September 28, 2017.

On September 28, 2017, the Company also entered into a purchase agreement (the “Commitment Purchase Agreement”) and a registration rights agreement with LPC, pursuant to which the Company had the right to sell to LPC up to $15.0 million in shares of common stock, subject to certain limitations and conditions set forth in the Commitment Purchase Agreement. Upon the satisfaction of the conditions in the Commitment Purchase Agreement (the “Commencement”), which occurred on October 26, 2017, the Company has the right, from time to time at its sole discretion over the 30-month period from and after the first day of the month following the Commencement, to direct LPC to purchase up to 75,000 shares of common stock on any business day (subject to certain limitations contained in the Commitment Purchase Agreement), with such amounts increasing based on certain threshold prices set forth in the Commitment Purchase Agreement; however, not to exceed $1.0 million in total purchase proceeds per purchase date. The purchase price of shares of common stock that the Company elects to sell to LPC pursuant to the Commitment Purchase Agreement will be based on the market prices of the common stock at the time of such purchases as set forth in the Commitment Purchase Agreement. In addition to regular purchases, as described above, the Company may also direct LPC to purchase additional amounts as accelerated purchases or as additional purchases if the closing sale price of the common stock is not below certain threshold prices, as set forth in the Commitment Purchase Agreement. In all instances, the Company may not sell shares of its common stock to LPC under the Commitment Purchase Agreement if it would result in LPC beneficially owning more than 4.99% of the common stock. As consideration for LPC’s commitment to purchase shares of common stock pursuant to the Commitment Purchase Agreement, the Company issued to LPC 100,000 shares of common stock (the “LPC Commitment Shares”).  From inception of the Commitment Purchase Agreement through December 31, 2017, 343,051 shares were issued pursuant to the Commitment Purchase Agreement resulting in aggregate gross proceeds of $802,000 in addition to the LPC Initial Shares and the LPC Commitment Shares.  No

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additional shares were issued during the years ended December 31, 2018 and 2019 or during the three and six months ended June 30, 2020.

On August 1, 2019, the Company entered into an At-The-Market Equity Offering Sales Agreement (the “ATM Agreement”) with Stifel, Nicolaus & Company, Incorporated and Oppenheimer & Co. Inc. (together, the “Agents”), pursuant to which the Company may offer and sell, from time to time, through or to the Agents, as sales agent or principal (the “ATM Offering”), shares of its common stock having an aggregate offering price of up to $75.0 million (the “ATM Shares”).  Any ATM Shares offered and sold in the ATM Offering will be issued pursuant to the Company’s universal shelf registration statement on Form S-3 (File No. 333-226133), filed with the SEC on July 11, 2018 and declared effective on July 19, 2018 and the 424(b) prospectus supplement relating to the ATM Offering dated August 1, 2019. No shares of the Company’s common stock were sold under the ATM Agreement from its inception through June 30, 2020.

On March 17, 2020, Company’s Board of Directors authorized a stock repurchase program, whereby the Company may purchase up to $50.0 million in shares of its common stock and outstanding warrants to purchase common stock, over a period of up to two years (the “Repurchase Program”). The Repurchase Program may be carried out at the discretion of a committee of the Company’s Board of Directors through open market purchases, one or more Rule 10b5-1 trading plans, block trades and in privately negotiated transactions. Through June 30, 2020, no shares of the Company’s common stock or warrants to purchase its common stock were repurchased by the Company under the Repurchase Program. Shares repurchased by the Company under the Repurchase Program, if any, are expected to be held in treasury until such time as they are reissued or retired by the Company.

During the three months ended June 30, 2020 and 2019, and in accordance with the Company’s 2014 Employee Stock Purchase Plan (the “ESPP”), the Company issued an aggregate of 20,809 and 9,568 shares of its common stock to certain employees, respectively.

6. Stock-Based Compensation

2014 Plan. The Company’s 2014 Equity Incentive Plan (the “2014 Plan”) provides that the compensation committee of the Company’s Board of Directors (the “Compensation Committee”) may grant or issue stock options, stock appreciation rights, restricted shares, restricted stock units and unrestricted shares, deferred share units, performance and cash-settled awards and dividend equivalent rights to participants under the 2014 Plan. Initially, a total of 1,527,770 shares of the Company’s common stock were reserved for issuance pursuant to the 2014 Plan, which number is also the limit on shares of common stock available for awards of incentive stock options. The number of shares available for issuance under the 2014 Plan will, unless otherwise determined by the Company’s Board of Directors or the Compensation Committee, be automatically increased on January 1st of each year commencing on January 1, 2016 and ending on (and including) January 1, 2024, in an amount equal to 3.5% of the total number of shares of the Company’s common stock outstanding on December 31st of the preceding calendar year. The shares of common stock deliverable pursuant to awards under the 2014 Plan are authorized but unissued shares of the Company’s common stock, or shares of the Company’s common stock that the Company otherwise holds in treasury or in trust. Any shares of the Company’s common stock underlying awards that are settled in cash or otherwise expire, or are forfeited, terminated or cancelled (including pursuant to an exchange program established by the Compensation Committee) prior to the issuance of stock will again be available for issuance under the 2014 Plan. In addition, shares of the Company’s common stock that are withheld (or not issued) in payment of the exercise price or taxes relating to an award, and shares of the Company’s common stock equal to the number surrendered in payment of any exercise price or withholding taxes relating to an award, will again be available for issuance under the 2014 Plan.  As of December 31, 2019, there were 2,835,203 shares of the Company’s common stock available for grant and, effective January 1, 2020, an additional 2,534,476 shares of the Company’s common stock were added to the number of shares reserved for grant under the 2014 Plan in accordance with the terms of the 2014 Plan.  As of June 30, 2020, there were 4,003,035 shares of the Company’s common stock available for grant under 2014 Plan.

ESPP. Initially, a total of 458,331 shares of the Company’s common stock were reserved for issuance pursuant to the ESPP. The number of shares available for issuance under the ESPP will, unless otherwise determined by the Company’s Board of Directors or the Compensation Committee, be automatically increased on January 1st of each year commencing on January 1, 2016 and ending on (and including) January 1, 2024, in an amount equal to 1% of the total number of shares of the Company’s common stock outstanding on December 31st of the preceding calendar year. The shares of common stock available for purchase pursuant to the ESPP are authorized but unissued shares of the Company’s common stock, shares of the Company’s common stock that the Company otherwise holds in treasury or shares of the Company’s common stock that were purchased on the open market in arms’ length transactions in accordance with applicable securities laws. Shares of the Company’s common stock will be offered for purchase under the ESPP as determined by the Compensation Committee through a series of successive offerings that each have a term of 24 months and consist of four consecutive purchase periods of six months each. Prior to the commencement of any future offering under the ESPP, the Compensation Committee may determine that the current offering shall end, may commence a new offering on the first day after the end of such terminal purchase period (or any desired later date), and may decide that future offerings will consist of one or more

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consecutive purchase periods, each to be of such duration as determined by the Compensation Committee; however, no offering will exceed 27 months and no purchase period will exceed one year. Each employee of the Company who (1) is an employee on the first date of any offering under the ESPP, (2) is customarily scheduled to work for more than 20 hours per week and more than five months per calendar year, and (3) meets such other criteria as may be determined by the Compensation Committee (consistent with Section 423 of the Internal Revenue Code of 1986, as amended), is eligible to participate in the ESPP for each purchase period within such offering. The purchase price per share of the Company’s common stock under the ESPP may not be less than, and will initially be equal to, the lesser of: (1) 85% of the fair market value per share of the Company’s common stock on the first day of the offering, or (2) 85% of the fair market value per share of the Company’s common stock on the date the purchase right is exercised, which will be the last day of the applicable purchase period. As of December 31, 2019, there were 1,600,020 shares of the Company’s common stock available for issuance and, effective January 1, 2020, an additional 724,136 shares of the Company’s common stock were added to the number of shares reserved for issuance under the ESPP in accordance with the terms of the ESPP.  As of June 30, 2020, there were 2,303,347 shares of the Company’s common stock available for issuance under ESPP.

The Company generally uses the straight-line method to allocate compensation cost to reporting periods over each optionee’s requisite service period, which is generally the vesting period, and estimates the fair value of stock-based awards or restricted stock units to employees and directors using the Black-Scholes model. The Black-Scholes model requires the input of subjective assumptions, including volatility, the expected term and the fair value of the underlying common stock on the date of grant, among other inputs. For restricted stock and restricted stock unit awards, the Company generally uses the straight-line method to allocate compensation cost to reporting periods over the holder’s requisite service period, which is generally the vesting period, and uses the fair value at grant date to value the awards. For restricted stock that vests upon the satisfaction of certain performance conditions, the Company recognizes stock-based compensation expense when it becomes probable that the performance conditions will be met. At the grant date, the Company determines the grant date fair value, as a publicly traded company, using the intrinsic value, or the closing price of its common stock on the date of grant. At the point where the criteria are deemed probable of being met, the Company records stock-based compensation with a cumulative catch-up expense in the period first recognized and then on a straight-line basis over the remaining period for which the performance criteria are expected to be completed.

For the ESPP, the Company generally recognizes compensation expense for the fair value of the purchase options, as measured on the grant date, and uses the graded vesting method to allocate this compensation cost to each purchase period within the related two-year offering period. As the ESPP also allows for up to one increase in contributions during each purchase period, then as an employee elects to increase their contributions, the Company treats this as an accounting modification. The pre- and post-modification values are calculated on the date of the modification, and the incremental expense is then amortized over the remaining purchase periods.

During the three and six months ended June 30, 2020 and 2019, the Company recognized the following stock-based compensation expense (in thousands):

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The following table sets forth the Company’s unrecognized stock-based compensation expense, net of estimated forfeitures, by type of award and the weighted-average period over which that expense is expected to be recognized (in thousands, except for years):

The following table is a summary of restricted stock activity during the six months ended June 30, 2020:

The following table summarizes restricted stock unit activity during the six months ended June 30, 2020:

In January 2019, the Company issued 221,600 performance based restricted stock units (“PRSU awards”) to several of its employees, which are reflected in the above table summarizing restricted stock unit activity.  The shares subject to these PRSU awards shall vest upon the Company achieving certain milestones, with 100% of the PRSU awards vesting upon the achievement of three of the milestones over a four-year period, with any then-unvested portion of the PRSU awards to be cancelled on the four-year anniversary of the grant dates.  As of June 30, 2020, 20,000 PRSU awards were forfeited and three of the milestones were deemed as probable of achievement, resulting in the Company recording stock-based compensation expense of $734,000 through December 31, 2019 and $98,000 and $240,000 during the three and six months ended June 30, 2020, respectively.

In January 2020, the Company issued 244,000 PRSU awards to several of its employees, which are reflected in the above table summarizing restricted stock unit activity.  The shares subject to these PRSU awards shall vest upon the Company achieving certain milestones, with 100% of the PRSU awards vesting upon the achievement of three of the milestones over a four-year period, with any then-unvested portion of the PRSU awards to be cancelled on the four-year anniversary of the grant dates.  As of June 30, 2020, three of the milestones were deemed as probable of achievement, resulting in the Company recording stock-based compensation expense of $386,000 and $783,000 during the three and six months ended June 30, 2020, respectively.

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The following table summarizes stock option activity during the six months ended June 30, 2020:

The Company received $108,000 and $105,000 in cash proceeds from exercises of stock options during the six months ended June 30, 2020 and 2019, respectively.  

Compensation cost for stock options granted to employees is based on the estimated grant date fair value and is recognized ratably over the vesting period of the applicable option. The estimated per share weighted average fair value of stock options granted to employees during the six months ended June 30, 2020 was $4.93.

As stock-based compensation expense recognized is based on options ultimately expected to vest, the fair value of each employee option grant during the six months ended June 30, 2020 was estimated on the date of grant using the Black-Scholes model with the following weighted average assumptions:

Expected Volatility. The expected volatility rate used to value stock option grants is based on volatilities of a peer group of similar companies whose share prices are publicly available. The peer group was developed based on companies in the pharmaceutical and biotechnology industry in a similar stage of development to the Company.

Expected Term. The Company elected to utilize the “simplified” method for “plain vanilla” options to value stock option grants. Under this approach, the weighted-average expected life is presumed to be the average of the vesting term and the contractual term of the option.

Risk-free Interest Rate. The risk-free interest rate assumption was based on zero-coupon U.S. Treasury instruments that had terms consistent with the expected term of the Company’s stock option grants.

Expected Dividend Yield. The Company has never declared or paid any cash dividends and does not presently plan to pay cash dividends in the foreseeable future.

Forfeitures are accounted for as actual forfeitures occur.   

Since the Company had a net operating loss carryforward as of June 30, 2020, no excess tax benefits for the tax deductions related to stock-based awards were recognized in the Statements of Operations.

7. Warrants

On April 13, 2016, pursuant to an underwritten public offering (the “April 2016 Offering”), the Company sold 7,500,000 shares of its common stock and warrants to purchase up to 7,500,000 shares of its common stock at a public offering price of $1.25 per share of common stock and related warrant. The warrants have an exercise price of $1.50 per share of common stock, were immediately exercisable upon issuance and will expire on April 13, 2021. Additionally, on April 13, 2016, the underwriters for the April 2016

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Offering partially exercised the over-allotment option for warrants to purchase an additional 1,125,000 shares of the Company’s common stock at a public offering price of $0.01 per warrant to purchase a share of common stock. As of June 30, 2020, warrants to purchase an aggregate of 3,845,311 shares were outstanding and warrants to purchase an aggregate of 143,545 and 150,595 shares were exercised during the three and six months ended June 30, 2020, respectively.

On April 13, 2016, pursuant to the terms of the loan and security agreement with Ligand Pharmaceuticals Incorporated (“Ligand”), the Company issued to Ligand a warrant to purchase up to 960,000 shares of the Company’s common stock (the “Ligand Warrant”). The Ligand Warrant has an exercise price of $1.50 per share of Company common stock, was immediately exercisable upon issuance (subject to a limitation on exercise to the extent that any exercise thereof would increase Ligand’s beneficial ownership of the Company’s common stock to greater than 49.9%) and expires on April 13, 2021.  The Ligand Warrant was issued to Ligand as a part of the repayment of $1.2 million of the Company’s obligation under the secured convertible promissory note issued to Ligand pursuant to the loan and security agreement with Ligand.

On June 14, 2017, the Company entered into a securities purchase agreement, with certain accredited investors (the “Purchasers”), pursuant to which the Company sold an aggregate of 3,749,783 shares (the “Shares”), of its common stock, and the warrants to purchase up to an aggregate 2,812,337 shares of its common stock to the Purchasers (the “Warrants”).  The combined purchase price for one Share and one Warrant to purchase 0.75 shares of common stock, was $1.15. The closing of the issuance of the Shares and the Warrants occurred on June 19, 2017.  The Warrants have an exercise price of $1.30 per share, subject to adjustment as provided therein, and became exercisable beginning on December 19, 2017 through December 19, 2022.  Each holder of a Warrant does not have the right to exercise any portion of its Warrant if the holder, together with its affiliates, would beneficially own in excess of 4.99% of the number of shares of common stock outstanding immediately after giving effect to such exercise (the “Beneficial Ownership Limitation”); provided, however, that upon 61 days’ prior notice to the Company, the holder may increase the Beneficial Ownership Limitation; however, in no event shall the Beneficial Ownership Limitation exceed 9.99%. The exercise price and number of shares of common stock issuable upon the exercise of the Warrants will be subject to adjustment in the event of any stock dividends and splits, reverse stock split, recapitalization, reorganization or similar transaction, as described in the Warrants. On January 16, 2018, the resale Registration Statement on Form S-1 (File No. 333-222202) that the Company filed related to the 1,987,337 shares subject to unexercised warrants was declared effective by the SEC.  As of June 30, 2020, warrants to purchase an aggregate of 787,087 shares were outstanding and 0 and 98,308 warrants were exercised during the three and six months ended June 30, 2020, respectively.

8. Commitments and Contingencies

On May 25, 2018, the Company entered into an office lease (the “Lease”) with Kilroy Realty, L.P. The Lease is for approximately 7,149 rentable square feet of space located at the 12340 El Camino Real, Suite 250, San Diego, California 92130 (the “Premises”). The Premises will continue to be the Company’s corporate headquarters.

The Lease commenced on November 1, 2018 and will expire on January 31, 2022, unless terminated earlier in accordance with the terms of the Lease (the “Term”). Monthly base rent payments due under the Lease for the Premises will be $27,000, subject to annual increases of 3.0% during the term of the Lease. Under the Lease, the Company is responsible for certain charges for common area maintenance and other costs, including electricity and utility expenses and the Lease provides for abatement of rent during certain periods and escalating rent payments throughout the term of the Lease. Rent expense is being recorded on a straight-line basis over the life of the Lease and the difference between the rent expense and rent paid is being recorded as deferred rent.  

The Lease provides the Company with an option to extend the term of the lease for a period of three years beyond the Term. If the option is exercised, the renewal term will be upon the same terms and conditions as the original Term, except that the base rent will be equal to the prevailing market rate as determined pursuant to the terms of the Lease.

Future minimum payments pursuant to the Lease are as follows (in thousands):

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9. Subsequent Events

The Company has evaluated all subsequent events through the date of filing of this Quarterly Report on Form 10-Q with the SEC, to ensure that this filing includes appropriate disclosure of events both recognized in the financial statements as of June 30, 2020, and events which occurred subsequent to June 30, 2020, but which were not recognized in the financial statements.  The Company has determined that there were no subsequent events which required recognition, adjustment to or disclosure in the financial statements.

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This Quarterly Report on Form 10-Q contains “forward-looking statements” as defined in Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, in connection with the Private Securities Litigation Reform Act of 1995 that involve risks and uncertainties, as well as assumptions that, if they never materialize or prove incorrect, could cause our results to differ materially and adversely from those expressed or implied by such forward-looking statements. Such forward-looking statements include estimates of our expenses, future revenue, capital requirements and our needs for additional financing; statements regarding our ability to develop, acquire and advance drug candidates into, and successfully complete, clinical trials and preclinical studies; statements concerning new product candidates; risks and uncertainties associated with our research and development activities, including our clinical trials and preclinical studies; our expectations regarding the potential market size and the size of the patient populations for our drug candidates, if approved for commercial use, and our ability to serve such markets; statements regarding our ability to maintain and establish collaborations or obtain additional funding; statements regarding developments and projections relating to our competitors and our industry and other matters that do not relate strictly to historical facts or statements of assumptions underlying any of the foregoing. These statements are often identified by the use of words such as “anticipate,” “believe,” “continue,” “could,” “estimate,” “expect,” “intend,” “may” or “will,” the negative versions of these terms and similar expressions or variations. These statements are based on the beliefs and assumptions of our management based on information currently available to management. Such forward-looking statements are subject to risks, uncertainties and other factors that could cause actual results and the timing of certain events to differ materially and adversely from future results expressed or implied by such forward-looking statements. Factors that could cause or contribute to such differences include, but are not limited to, those identified below, and those discussed in the section titled “Risk Factors” included elsewhere in this Quarterly Report on Form 10-Q and in our other Securities and Exchange Commission, or SEC, filings. Furthermore, such forward-looking statements speak only as of the date of this Quarterly Report on Form 10-Q. We undertake no obligation to update any forward-looking statements to reflect events or circumstances occurring after the date of such statements.

Overview

We are a clinical-stage biopharmaceutical company focused on the development of novel, first-in-class or best-in-class therapies for metabolic and endocrine disorders.

Our lead clinical program’s drug candidate, VK2809, is an orally available, tissue and receptor-subtype selective agonist of the thyroid hormone receptor beta, or TRß. In November 2019, we initiated the VOYAGE study, a Phase 2b clinical trial of VK2809 in patients with biopsy-confirmed non-alcoholic steatohepatitis, or NASH.

The VOYAGE study is a randomized, double-blind, placebo-controlled, multicenter trial designed to assess the efficacy, safety and tolerability of VK2809 in patients with biopsy-confirmed NASH and fibrosis ranging from stages F1 to F3. The study is targeting enrollment of approximately 340 patients across five treatment arms. The primary endpoint of the study will evaluate the relative change in liver fat content, as assessed by magnetic resonance imaging, proton density fat fraction (MRI-PDFF), from baseline to week 12 in subjects treated with VK2809 as compared to placebo. Secondary objectives include evaluation of histologic changes assessed by hepatic biopsy after 52 weeks of dosing.

VK2809 has been evaluated in six completed clinical studies, which enrolled more than 260 subjects. To date, no serious adverse events, or SAEs, have been observed in subjects receiving VK2809, and overall tolerability remains encouraging. In addition, the compound has been evaluated in chronic toxicity studies of up to 12 months in duration.

We are also developing VK0214, which is also an orally available, tissue and receptor-subtype selective agonist of TRß for X-linked adrenoleukodystrophy, or X-ALD, a rare X-linked, inherited neurological disorder characterized by a breakdown in the protective barriers surrounding brain and nerve cells. The disease, for which there is no approved treatment, is caused by mutations in a peroxisomal transporter of very long chain fatty acids, or VLCFA, known as ABCD1. As a result, transporter function is impaired and patients are unable to efficiently metabolize VLCFA. The TRß receptor is known to regulate expression of an alternative VLCFA transporter, known as ABCD2. Various preclinical models have demonstrated that increased expression of ABCD2 can lead to normalization of VLCFA metabolism. Preliminary data suggest that VK0214 stimulates ABCD2 expression in an in vitro model and reduces VLCFA levels in an in vivo model of X-ALD. We have recently filed our investigational new drug application and expect to initiate a clinical study with VK0214 by the end of the year.

Other clinical programs include VK5211, an orally available, non-steroidal selective androgen receptor modulator, or SARM. In November 2017, we announced positive top-line results from a Phase 2 proof-of-concept clinical trial in 108 patients recovering from non-elective hip fracture surgery. Top-line data showed that the trial achieved its primary endpoint, demonstrating statistically significant, dose dependent increases in lean body mass, less head, following treatment with VK5211 as compared to placebo. The study also achieved certain secondary endpoints, demonstrating statistically significant increases in appendicular lean body mass and total lean body mass for all doses of VK5211, compared to placebo. VK5211 demonstrated encouraging safety and tolerability in this

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study, with no drug-related SAEs reported. Our intent is to continue to pursue partnering or licensing opportunities prior to conducting additional clinical studies.

We were incorporated under the laws of the State of Delaware on September 24, 2012. Since our incorporation, we have devoted most of our efforts towards conducting certain clinical trials and preclinical studies related to our VK2809, VK5211 and VK0214 programs, as well as efforts towards raising capital and building infrastructure. We obtained exclusive worldwide rights to our VK2809, VK5211 and VK0214 programs and certain other assets pursuant to an exclusive license agreement with Ligand Pharmaceuticals Incorporated, or Ligand. The terms of this license agreement are detailed in the Master License Agreement with Ligand, which we entered into on May 21, 2014, as amended, or the Master License Agreement. A summary of the Master License Agreement can be found under the heading “Agreements with Ligand—Master License Agreement” under Part I, “Item 1. Business” of our Annual Report on Form 10-K filed with the SEC on February 26, 2020.

We are subject to risks and uncertainties as a result of the COVID-19 pandemic. The extent of the impact of the COVID-19 pandemic on our business is highly uncertain and difficult to predict, as the responses that we, other businesses and governments are taking continue to evolve. Furthermore, capital markets and economies worldwide have also been negatively impacted by the COVID-19 pandemic, and it is possible that it could cause a local and/or global economic slowdown or recession. Policymakers around the globe have responded with fiscal policy actions to support the healthcare industry and economy as a whole. The magnitude and overall effectiveness of these actions remain uncertain.

In addition, our clinical trials have been affected by and may continue to be affected by the COVID-19 pandemic. Clinical site initiation and patient enrollment have and may continue to be delayed due to prioritization of hospital resources toward the COVID-19 pandemic. Some patients have not and others may not be able to comply with clinical trial protocols if quarantines impede patient movement or interrupt healthcare services. Similarly, the ability to recruit and retain patients and principal investigators and site staff who, as healthcare providers, may have heightened exposure to COVID-19, may adversely impact our clinical trial operations.

The severity of the impact of the COVID-19 pandemic on our business will depend on a number of factors, including, but not limited to, the duration and severity of the pandemic and the extent and severity of the impact on our service providers, suppliers, contract research organizations, or CROs, and our clinical trials, all of which are uncertain and cannot be predicted. As of the date of issuance of our financial statements, the extent to which the COVID-19 pandemic may materially impact our financial condition, liquidity or results of operations is uncertain.

Financial Operations Overview

Revenues

To date, we have not generated any revenue. We do not expect to receive any revenue from any drug candidates that we develop unless and until we obtain regulatory approval for, and commercialize, our drug candidates or enter into collaborative agreements with third parties.

Research and Development Expenses

During the year ended December 31, 2019, we charged $23.6 million to research and development expense primarily related to our efforts to prepare for the initiation of the VK2809 Phase 2b VOYAGE clinical trial as well as certain toxicology studies for VK2809 and in vivo studies for VK0214. During the three and six months ended June 30, 2020, we charged $7.8 million and $15.8 million, respectively, to research and development expenses primarily related to our ongoing efforts in conducting the Phase 2b VOYAGE clinical trial, certain toxicology studies, and manufacturing of drug product. We expect that our ongoing research and development expenses will consist of costs incurred for the development of our drug candidates, including, but not limited to:

We expense all research and development costs as incurred.

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The process of conducting the necessary clinical research to obtain regulatory approval is costly and time consuming and the successful development of our drug candidates is highly uncertain. Our future research and development expenses will depend on the clinical success of each of our drug candidates, as well as ongoing assessments of the commercial potential of such drug candidates. In addition, we cannot forecast with any degree of certainty which drug candidates may be subject to future collaborations, when such arrangements will be secured, if at all, and to what degree such arrangements would affect our development plans and capital requirements. We expect to incur increased research and development expenses in the future as we continue our efforts towards advancing our VK2809 and VK0214 programs and seek to advance our additional programs.

General and Administrative Expenses

Our general and administrative expenses have generally increased year-over-year as we have hired additional employees, issued additional equity awards, which has resulted in increased stock-based compensation expense, implemented certain systems to increase efficiency, and incurred additional costs for insurance, legal and accounting related to operating as a public company. We expect that our general and administrative expenses will continue to increase in the future in order to support our expected increase in research and development activities, including increased salaries and other related costs, stock-based compensation and consulting fees for executive, finance, accounting and business development functions. We also expect general and administrative expenses to increase as a result of additional costs associated with being a public company, including expenses related to compliance with the rules and regulations of the SEC and The Nasdaq Stock Market LLC, additional insurance expenses, investor relations activities and other administration and professional services. Other significant costs are expected to include legal fees relating to patent and corporate matters, facility costs not otherwise included in research and development expenses, and fees for accounting and other consulting services.

Other Income (Expense)

Other income (expense) includes interest income earned from our cash, cash equivalents and short-term investments.

JOBS Act

We are an “emerging growth company” within the meaning of the rules under the Securities Act, and we utilize certain exemptions from various reporting requirements that are applicable to public companies that are not emerging growth companies. For example, as an emerging growth company, we are not required to provide an auditor’s attestation report on our internal control over financial reporting in our annual reports on Form 10-K as otherwise required by Section 404(b) of the Sarbanes-Oxley Act of 2002, as amended. In addition, Section 107 of the Jumpstart Our Business Startups Act of 2012, or the JOBS Act, provides that an emerging growth company can utilize the extended transition period provided in Section 7(a)(2)(B) of the Securities Act for complying with new or revised accounting standards. Thus, an emerging growth company can delay the adoption of certain accounting standards until those standards would otherwise apply to private companies. We have irrevocably elected to “opt out” of the extended transition period for complying with new or revised accounting standards pursuant to Section 107(b) of the JOBS Act. As a result, we are complying with new or revised accounting standards on the relevant dates on which adoption of such standards is required for non-emerging growth companies.

Critical Accounting Policies and Estimates

Our management’s discussion and analysis of financial condition and results of operations is based on our financial statements, which have been prepared in accordance with accounting principles generally accepted in the United States. The preparation of these financial statements requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the financial statements, as well as the reported revenues and expenses during the reporting periods. On an ongoing basis, we evaluate our estimates and judgments related to the preclinical, nonclinical and clinical development costs and drug manufacturing costs. We base our estimates on 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. Actual results may differ from these estimates under different assumptions or conditions.

Our significant accounting policies are more fully described in Note 1 and Note 3 to our financial statements included in Part I, Item 1 of this Quarterly Report on Form 10-Q.

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Results of Operations

Comparison of the Three Months Ended June 30, 2020 and 2019

Research and Development Expenses

The following table summarizes our research and development expenses for the three months ended June 30, 2020 and 2019 (in thousands, except % change).

The increase in research and development expenses during the three months ended June 30, 2020 as compared to the same period in 2019 was primarily due to increased expenses related to our clinical studies of $1.6 million, manufacturing for our drug candidates of $352,000, salaries and benefits of $172,000 and stock-based compensation of $125,000, partially offset by decreased expenses related to pre-clinical studies of $1.1 million and services provided by third-party consultants of $622,000.

General and Administrative Expenses

The following table summarizes our general and administrative expenses for the three months ended June 30, 2020 and 2019 (in thousands, except % change).

The increase in general and administrative expenses during the three months ended June 30, 2020 as compared to the same period in 2019 was primarily due to increased expenses related to stock-based compensation of $601,000, legal services of $73,000 and insurance expenses of $44,000, partially offset by decreased expenses related to services provided by third-party consultants of $53,000 and travel expenses of $25,000.

Other income (expense)

The following table summarizes our other income (expense) for the three months ended June 30, 2020 and 2019 (in thousands, except % change).