Common Stock

3 Months Ended

Mar. 31, 2022

Equity [Abstract]

Common Stock

Common Stock

As of March 31, 2022, the Company had 50,000,000 authorized shares of common stock, $0.001 par value, of which 34,474,710 shares were issued and outstanding.

Public Offering – March 2021

On March 26, 2021, the Company completed an underwritten public offering of 6,900,000 shares of its common stock, including the full exercise by the underwriters of their option to purchase an additional 900,000 shares, at the public offering price of $8.00 per share for gross proceeds of approximately $55.2 million. The net offering proceeds to the Company were approximately $51.7 million after deducting underwriting discounts and commissions and estimated offering expenses payable by the Company.

Universal Shelf Registration Statement

On November 9, 2020, the Company filed a shelf registration statement on Form S-3 with the SEC, which covers the offering, issuance and sale of up to $300.0 million of its common stock, preferred stock, debt securities, warrants and/or units (the “2020 Shelf”). The 2020 Shelf (File No. 333-249982) was declared effective by the SEC on November 18, 2020 and was filed to replace the Company’s then existing shelf registration statement, which was terminated. As of March 31, 2022, there was approximately $213.0 million available for future issuance of common stock, preferred stock, debt securities, warrants and/or units.

Sales Agreement with SVB Leerink

In February 2018, the Company entered into a sales agreement with SVB Leerink LLC (“SVB Leerink” and the “SVB Leerink Sales Agreement”) pursuant to which the Company may issue and sell shares of its common stock from time to time up to an aggregate amount of $50.0 million, at its option, through SVB Leerink as its sales agent, with any sales of common stock through SVB Leerink being made by any method that is deemed an “at-the-market offering” as defined in Rule 415 promulgated under the Securities Act of 1933, as amended (the “Securities Act”), or in other transactions pursuant to an effective shelf registration statement on Form S-3. The Company agreed to pay SVB Leerink a commission of up to 3% of the gross proceeds of any sales of common stock pursuant to the SVB Leerink Sales Agreement. The Company sold 470,777 shares, 1,251,555 shares, 1,070,175 shares and 330,688 shares pursuant to the SVB Leerink Sales Agreement, resulting in proceeds net of commissions of approximately $10.3 million, $7.5 million, $5.9 million and $3.4 million in the fourth quarter of 2018, February 2019, November 2020 and March 2021, respectively. As of March 31, 2022, approximately $22.2 million was available for issuance in connection with future stock sales pursuant to the SVB Leerink Sales Agreement.