Stockholders' Equity

9 Months Ended

Sep. 30, 2023

Stockholders' Equity Note [Abstract]

Stockholders' Equity

Stockholders' Equity

Gilead Stock Purchase

In June 2023, under the Second Stock Purchase Agreement, Gilead purchased 1.0 million shares of our common stock at the closing day purchase price of $19.26 per share for a total cost of $20 million.

At-the-Market Facility

In February 2023, we entered into an equity distribution agreement pursuant to which we may, from time to time, sell shares of our common stock, par value $0.0001 per share, having an aggregate offering price of up to $200 million. In August 2023, we issued and sold 0.2 million shares of our common stock under this agreement for total net proceeds of $5 million.