X0306 4 2018-06-18 0 0001512762 Coherus BioSciences, Inc. CHRS 0001242116 FINCK BARBARA K COHERUS BIOSCIENCES, INC. 333 TWIN DOLPHIN DRIVE, SUITE 600 REDWOOD CITY CA 94065 0 1 0 0 Chief Medical Officer Common Stock, $0.0001 par value 2018-06-18 4 M 0 1760 1.42 A 38803 D Common Stock, $0.0001 par value 2018-06-18 4 S 0 1760 15.00 D 37043 D Stock Option (right to buy) 1.42 2018-06-18 4 M 0 1760 0.00 D 2023-11-21 Common Stock 1760 88221 D Includes 2,707 shares acquired on May 15, 2018 pursuant to Issuer's employee stock purchase plan. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by Reporting Person. A portion of the shares underlying this option are vested and exercisable as of the date hereof. The original vesting schedule is as follows: The underlying shares subject to the option vest and become exercisable in successive, equal monthly installments over four years measured from July 30, 2013, subject to Reporting Person's continued service relationship with the Issuer on each such vesting date. /s/ Barbara K. Finck, M.D. 2018-06-20