Form 4 Filing for AGENUS INC

This filing details stock option grants to Austin Charette, Principal Accounting Officer of AGENUS INC. On April 24, 2026, Charette received two stock options for Common Stock. The first option, for 5,000 shares, vests over three years starting April 24, 2027, with a conversion/exercise price of $3.90. The second option, for 17,619 shares, was awarded in lieu of the 2025 annual cash bonus and vests in full on May 24, 2026, also with a conversion/exercise price of $3.90. Both options have an expiration date of April 24, 2036. The reporting owner is Austin Charette, and the filing is made under the Agenus Inc. 2019 Amended and Restated Equity Incentive Plan.