Form 4 Filing for Gevo, Inc. - Jaime Guillen

This Form 4 filing reports a transaction by Jaime Guillen, a director at Gevo, Inc. On May 27, 2026, Mr. Guillen acquired 70,000 shares of the company's Common Stock through a grant. The transaction code "A" indicates an acquisition, and the price per share was $0.00. Following this transaction, Mr. Guillen now owns 264,046 shares of Common Stock. The acquired shares are restricted and subject to vesting conditions, including continuous service with the issuer. The filing was signed by E. Cabell Massey, Attorney-in-Fact, on May 29, 2026.