date of each warrant and, subsequent to the closing of the IPO on December 22, 2020, the Company no longer remeasures the fair value of the warrant liability at each reporting date.
In December 2020, holders of 61,931 warrants completed a cashless exercise of the warrants, resulting in the Company’s issuance of 55,994 shares of common stock.
As of December 31, 2021 and 2020, the Company had outstanding warrants for the purchase of 92,703 shares of common stock at an exercise price of $9.17 per share, of which warrants for the purchase of 49,078 shares and 43,625 shares expire in 2027 and 2028, respectively.
9. Equity
Preferred Stock
On December 22, 2020, the Company filed a restated certificate of incorporation in the State of Delaware, which, among other things, restated the number of shares of all classes of stock that the Company has authority to issue to 105,000,000 shares, consisting of (i) 100,000,000 shares of common stock, $0.001 par value per share, and (ii) 5,000,000 shares of preferred stock, $0.001 par value per share. The preferred stock will have such rights, preferences, privileges and restrictions, including voting rights, dividend rights, conversion rights, redemption privileges and liquidation preferences, as shall be determined by the Company’s board of directors upon issuance. The shares of preferred stock are currently undesignated.
Common Stock
Each share of common stock entitles the holder to one vote on all matters submitted to a vote of the Company’s stockholders. Common stockholders are not entitled to receive dividends, unless declared by the board of directors.
Reverse Stock Split
On December 11, 2020, the Company effected a one-for-1.6271 reverse stock split of its issued and outstanding shares of common stock and a proportional adjustment to the existing conversion ratios for each series of the Company’s Preferred Stock. Accordingly, all share and per share amounts for all periods presented in the accompanying consolidated financial statements and notes thereto have been adjusted retroactively, where applicable, to reflect this reverse stock split and adjustment of the Preferred Stock conversion ratios.
Public Offerings
On December 22, 2020, the Company completed its IPO, pursuant to which it issued and sold 7,475,000 shares of common stock, inclusive of 975,000 shares sold by the Company pursuant to the full exercise of the underwriters’ option to purchase additional shares. The aggregate net proceeds received by the Company from the IPO were $136.6 million, after deducting underwriting discounts and commissions and other offering costs. Upon the closing of the IPO, all of the shares of the Company’s outstanding convertible preferred stock then outstanding automatically converted into 14,691,929 shares of common stock. Upon the closing of the IPO in December 2020, all 23,905,267 shares of the Company’s outstanding Preferred Stock automatically converted into 14,691,929 shares of common stock and, therefore, there was 0 outstanding Preferred Stock at December 31, 2020.
On November 15, 2021, the Company completed an underwritten public offering, pursuant to which it issued and sold 3,150,000 shares of common stock at a public offering price of $32.00 per share. The Company received net proceeds of $94.4 million after deducting underwriting discounts and commissions and other offering costs.