X0306 4 2022-06-01 0 0001419041 Forte Biosciences, Inc. FBRX 0001620013 Williams Donald Allen C/O FORTE BIOSCIENCES, INC. 3060 PEGASUS PARK DR., BUILDING 6 DALLAS TX 75247 1 0 0 0 Stock Option (right to buy) 1.27 2022-06-01 4 A 0 25000 0.00 A 2032-06-01 Common Stock 25000 25000 D Subject to the Reporting Person continuing to be a Service Provider (as defined in the 2021 Equity Incentive Plan) through each applicable vesting date, the shares subject to the option shall vest in equal monthly installments over the twelve (12) months following the Date of Grant, provided that the shares subject to the option shall be fully vested on the date of the Issuer's next annual stockholder meeting. "Date of Grant" shall mean June 1, 2022. /s/ Paul A. Wagner, Ph.D., as Attorney-in-Fact 2022-06-02