X0306 4 2020-05-21 0 0001340652 ChemoCentryx, Inc. CCXI 0001707797 Jain Rita C/O CHEMOCENTRYX, INC. 850 MAUDE AVENUE MOUNTAIN VIEW CA 94043 1 0 0 0 Stock Option (right to buy) 59.73 2020-05-21 4 A 0 2888 A 2021-05-21 2030-05-21 Common Stock 2888 2888 D Restricted Stock Units 2020-05-21 4 A 0 4660 A Common Stock 4660 4660 D The option granted on May 21, 2020, vests on the first anniversary of the grant date, subject to the Reporting Person's continued service to the Company on such date. Not applicable. Each restricted stock unit represents a contingent right to receive one share of CCXI common stock. The restricted stock units awarded on May 21, 2020, vests on the first anniversary of the grant date, 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. /s/ Susan M. Kanaya, as Attorney-in-Fact 2020-05-26