Officer/Director Stock Option Grant

Rahul Singhvi, a director at CODEXIS, INC. (CDXS), was granted a stock option for 66,350 shares of Common Stock on June 17, 2026. The option has an exercise price of $2.48 per share and an expiration date of June 17, 2036. The option vests on the earlier of the first anniversary of the grant date or the next annual stockholder meeting, provided Mr. Singhvi continues his service to the Company. This transaction is reported on Form 4, filed on June 18, 2026.