Common Stock

12 Months Ended

Dec. 31, 2023

Equity [Abstract]

Common Stock

10. Common Stock

Shares Reserved for Future Issuance

As of December 31, 2023 the Company had reserved 43,048,016 shares of common stock for the exercise of outstanding stock options and the issuance of awards available for grant under the Company’s 2020 Equity Incentive Plan, 2021 Equity Incentive Plan and 2021 Employee Stock Purchase Plan (see Note 11).

Shelf Registration Statement

In September 2022, the Company filed a shelf registration statement on Form S-3 with the SEC (File No. 333-267643) and accompanying base prospectus, which was declared effective by the SEC on October 5, 2022, for the offer and sale of up to $400 million of the Company’s securities. As of December 31, 2023, $325 million of the Company's securities remained available for offer and sale under this shelf registration statement.

ATM Facility

In December 2023, the Company entered into a Controlled Equity OfferingSM Sales Agreement (the “Sales Agreement”) with Cantor Fitzgerald & Co., as sales agent (“Cantor”), pursuant to which the Company may, at its option, offer and sell shares of its common stock, with a sales value of up to $75.0 million, from time to time, through Cantor, acting as sales agent, in transactions deemed to be “at the market offerings”, as defined in Rule 415 under the Securities Act. Cantor is entitled to a commission of 3% of the gross proceeds from any sales of such shares. The Company did not sell any shares of its common stock through the year ended December 31, 2023. As of December 31, 2023, $75.0 million remained available for sale under the Sales Agreement.

In February 2024, the Company sold 9,000,000 shares of its common stock under the Sales Agreement at an average price of $4.50 per share for $39.3 million in net proceeds.

Treasury Stock

In February and June 2022, the Company repurchased 1,158,089 and 992,648 shares of unvested restricted common stock, respectively, at the original purchase price upon a termination of service during the vesting period. The shares of common stock repurchased were recorded as treasury stock in the accompanying consolidated balance sheets and consolidated statements of stockholders’ equity (deficit) as such shares were not retired. The fair value of the repurchased common stock was insignificant.

In March and September 2022, the Company retired an aggregate of 1,626,840 and 992,648 shares of common stock, respectively, held in treasury. Upon retirement, the shares were redesignated as authorized but unissued shares of the Company’s common stock.

In March 2023, the Company repurchased, and subsequently retired, 206,802 shares of unvested restricted common stock at the original purchase price upon a termination of service of an employee during the vesting period. The fair value of the repurchased common stock was insignificant. Upon retirement, the shares were redesignated as authorized but unissued shares of the Company’s common stock.

In May 2023, the Company repurchased 46,600 shares of unvested restricted common stock at the original purchase price upon a termination of service of an employee during the vesting period. The shares of common stock repurchased were recorded as treasury stock. The fair value of the repurchased common stock was insignificant. In June 2023, the Company retired the 46,600 shares of treasury stock. Upon retirement, the shares were redesignated as authorized but unissued shares of the Company’s common stock.

In October 2023, the Company repurchased 31,765 shares of unvested restricted common stock at the original purchase price upon a termination of service of an employee during the vesting period. The shares of common stock repurchased were recorded as treasury stock. The fair value of the repurchased common stock was insignificant. In December 2023, the Company retired the 31,765 shares of treasury stock. Upon retirement, the shares were redesignated as authorized but unissued shares of the Company’s common stock.