X0508 4 2025-12-04 0001626971 Corvus Pharmaceuticals, Inc. CRVS 0001664506 Jones William Benton C/O CORVUS PHARMACEUTICALS, INC. 901 GATEWAY BOULEVARD, THIRD FLOOR SOUTH SAN FRANCISCO CA 94080 true See Remarks false Stock Option (Right to Buy) 8.81 2025-12-04 4 A 0 400000 0 A 2035-12-04 Common Stock 400000 400000 D The underlying shares subject to the option vest and become exercisable as to 1/36th of the shares subject to the option in successive, equal monthly installments measured from December 4, 2025, subject to Reporting Person's continued service relationship with the Issuer on each such vesting date. SVP, Pharmaceutical Development /s/ Leiv Lea, as Attorney-in-Fact for William Benton Jones, Ph.D. 2025-12-08