X0206 3 2016-03-22 0 0001626971 Corvus Pharmaceuticals, Inc. CRVS 0001664488 Verner Erik J. C/O CORVUS PHARMACEUTICALS, INC. 863 MITTEN ROAD, SUITE 102 BURLINGAME CA 94010 0 1 0 0 V.P., Chemistry Research Common Stock, $0.0001 par value 63773 D Stock Option (Right to Buy) 0.28 2025-06-30 Common Stock 50000 D A portion of these shares is subject to a right of repurchase held by the Issuer. The underlying shares subject to the option vest and become exercisable as to twenty-five percent (25%) of the shares subject to the option vest one year measured from July 1, 2015 (the "Vesting Commencement Date") and the remaining shares subject to the option vest in 36 successive, equal monthly installments thereafter on each monthly anniversary of the Vesting Commencement Date, subject to Reporting Person's continued service relationship with the Issuer on each such vesting date. /s/ Leiv Lea, as Attorney-in-Fact for Erik J. Verner 2016-03-22