Capital Stock

6 Months Ended

Jun. 30, 2020

Equity [Abstract]

Capital Stock

Capital Stock

Exercise of Options

For the six months ended June 30, 2020 and June 30, 2019, we issued 32,749 and 529,187 shares, respectively, upon option exercises at a weighted-average exercise price of $6.03 and $5.37 per share, respectively, with net cash proceeds of $0.2 million and $2.8 million, respectively.

Private Offering

In June 2019, we entered into a Securities Purchase Agreement with an affiliate of Casdin pursuant to which we issued and sold to Casdin 3,048,780 shares of our common stock at a purchase price of $16.40 per share. After deducting legal fees of $74 thousand from the Private Offering, our net proceeds were $49.9 million.

The Private Offering was exempt from registration pursuant to the exemption for transactions by an issuer not involving any public offering under Section 4(a)(2) the Securities Act, and Regulation D under the Securities Act.