Common Stock

12 Months Ended

Dec. 31, 2022

Equity [Abstract]

Common Stock

9. COMMON STOCK

Shelf Registration and At-The-Market Equity Offering

On March 30, 2022, the Company filed a shelf registration statement on Form S-3 (the "Registration Statement"). Pursuant to the Registration Statement, the Company may offer and sell securities having an aggregate public offering price of up to $250.0 million. In connection with the filing of the Registration Statement, the Company also entered into a sales agreement with Cowen and Company, LLC ("Cowen"), as sales agent or principal, pursuant to which the Company may issue and sell shares of its common stock for an aggregate offering price of up to $75.0 million under an at-the-market (the “ATM”) offering program. Pursuant to the ATM, the Company will pay Cowen a commission rate equal to 3.0% of the gross proceeds from the sale of any shares of common stock. The Company is not obligated to make any sales of shares of its common stock under the ATM. As of December 31, 2022, no shares of the Company's common stock have been sold under the ATM.

Common Stock Reserved for Future Issuance

The following shares of common stock were reserved for future issuance:

	December 31, 2022
Common stock options issued and outstanding		7,225,635
Common stock restricted stock awards issued and outstanding		121,867
Common stock available for future issuance under    the 2021 Plan		2,222,642
Common stock available for future issuance under the ESPP		450,083
Total		10,020,227