X0206 3 2016-03-22 0 0001626971 Corvus Pharmaceuticals, Inc. CRVS 0001662426 Morrison Scott W C/O CORVUS PHARMACEUTICALS, INC. 863 MITTEN ROAD, SUITE 102 BURLINGAME CA 94010 1 0 0 0 Stock Option (Right to Buy) 15.79 2025-12-30 Common Stock 30000 D The underlying shares subject to the option vest and become exercisable as to one-third (1/3rd) of the shares subject to the option on each annual anniversary measured from December 31, 2015, subject to Reporting Person's continued service relationship with the Issuer on each such vesting date. /s/ Leiv Lea, as Attorney-in-Fact for Scott W. Morrison 2016-03-22