Form 4 Filing for Rayo Edgardo Javier

This filing details a Form 4 submitted by Rayo Edgardo Javier, a director at EXOZYMES INC. On October 1, 2026, Javier acquired 25,000 stock options with the right to buy common stock. These options have an exercise price of $6.28 and expire on October 1, 2033. The options vest in twelve quarterly installments starting December 31, 2026, contingent upon continued service. Following this transaction, Javier directly owns 77,909 shares of common stock and holds 25,000 vested stock options. The filing was signed by Edgardo Rayo on October 19, 2026.