X0306 4 2022-06-07 0 0001340652 ChemoCentryx, Inc. CCXI 0001790097 YAU YI CHING 835 INDUSTRIAL ROAD SUITE 600 SAN CARLOS CA 94070 0 1 0 0 SVP, Finance & Acctg Officer Stock Option (right to buy) 25.19 2022-06-07 4 A 0 65000 A 2032-06-07 Common Stock 65000 65000 D The option was granted on June 7, 2022, and 25% of the total number of shares of common stock subject to the option vests on June 6, 2023, 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 2022-06-08