X0306 4 2018-12-12 0 0001626971 Corvus Pharmaceuticals, Inc. CRVS 0001724058 Hunt Daniel W. C/O CORVUS PHARMACEUTICALS, INC. 863 MITTEN ROAD, SUITE 102 BURLINGAME CA 94010 0 1 0 0 SVP, Chief Business Officer Stock Option (Right to Buy) 5.94 2018-12-12 4 A 0 50000 0.00 D 2028-12-12 Common Stock 50000 50000 D The underlying shares subject to the option vest and become exercisable as to one-forty eighth (1/48th) of the shares subject to the option in successive, equal monthly installments measured from December 12, 2018, subject to Reporting Person's continued service relationship with the Issuer on each such vesting date. /s/ Leiv Lea, as Attorney-in-Fact for Daniel W. Hunt 2018-12-14