X0206 3 2026-02-13 0 0001785530 Werewolf Therapeutics, Inc. HOWL 0002118666 Urban Michael J. C/O WEREWOLF THERAPEUTICS, INC. 200 TALCOTT AVENUE, 2ND FLOOR WATERTOWN MA 02472 false true false false VP of Finance & Corp. Contr. Common Stock 5284 D Stock Option (right to buy) 3.65 2033-05-31 Common Stock 52500 D Stock Option (right to buy) 4.64 2034-01-01 Common Stock 29365 D Stock Option (right to buy) 1.57 2034-12-18 Common Stock 10000 D Stock Option (right to buy) 1.56 2035-01-01 Common Stock 54800 D The option was granted on June 1, 2023. The shares underlying the option vested as to 25% on May 15, 2024, and the remainder vest in substantially equal monthly installments thereafter through May 15, 2027. The option was granted on January 2, 2024 with a Vesting Commencement Date of January 1, 2024. The shares underlying the option vest in substantially equal monthly installments over four years, commencing on the date that is one month following the Vesting Commencement Date and vesting monthly thereafter through January 1, 2028. The option was granted on December 19, 2024, and is fully vested. The option was granted on January 2, 2025 with a Vesting Commencement Date of January 1, 2025. The shares underlying the option vest in substantially equal monthly installments over four years, commencing on the date that is one month following the Vesting Commencement Date and vesting monthly thereafter through January 1, 2029. Exhibit List: Exhibit 24 - Power of Attorney /s/ Jonathan Owen, Attorney-in-fact 2026-03-13