X0306 4 2019-03-04 0 0001340652 ChemoCentryx, Inc. CCXI 0001423084 Schall Thomas J. C/O CHEMOCENTRYX, INC. 850 MAUDE AVENUE MOUNTAIN VIEW CA 94043 1 1 0 0 President and CEO Restricted Stock Units 2019-03-04 4 A 0 70000 A Common Stock 70000 70000 D Stock Option (right to buy) 11.02 2019-03-04 4 A 0 230000 A 2029-03-04 Common Stock 230000 230000 D Each restricted stock unit represents a contingent right to receive one share of CCXI common stock. The restricted stock units awarded on March 4, 2019, vest in three equal installments on January 1, 2020, January 1, 2021, and January 1, 2022, subject to the Reporting Person's continued service to the Company on such date. Shares will be delivered to the Reporting Person within thirty (30) days following vest date. The option was granted on March 4, 2019, and 25% of the total number of shares of common stock subject to the option vests on January 1, 2020, and 1/48th of the total number of shares of common stock subject to the option vests monthly thereafter, subject to the Reporting Person's continued service to the Company on each such vesting date. Not applicable. /s/ Susan M. Kanaya, as Attorney-in-Fact 2019-03-06