Stockholders' Equity

6 Months Ended

Jun. 30, 2022

Equity [Abstract]

Stockholders' Equity

9. Stockholders’ Equity

In July 2019, the Company issued and sold in a private placement (i) 10,607,525 shares of its common stock at a price per share of $4.65 and (ii) 2,295,699 pre-funded warrants to purchase shares of its common stock at a price per warrant of $4.64. Each pre-funded warrant was exercisable for one share of common stock at an exercise price of $0.01 and the pre-funded warrants had no expiration date. In October 2020, 137,460 of these pre-funded warrants were exercised. During the three and six months ended June 30, 2022, none and 2,158,329 of these pre-funded warrants were exercised, respectively. During the three and six months ended June 30, 2021, no warrants were exercised.

In March 2021, the Company issued and sold in a public offering 25,000,000 shares of its common stock at a price to the public of $5.575 per share. The Company received net proceeds of $134,878 after deducting underwriting discounts and commissions and offering expenses.