X0306 4 2021-03-31 0001673772 RAPT Therapeutics, Inc. RAPT 0001791244 Robbins Wendye C/O RAPT THERAPEUTICS, INC., 561 ECCLES AVENUE SOUTH SAN FRANCISCO CA 94080 true false false false Stock Option (right to buy) 22.20 2021-03-31 4 A false 3025 15.7002 A 2031-03-30 Common Stock 3025 3025 D This option was issued to the reporting person pursuant to the Issuer's Amended and Restated Non-Employee Director Compensation Policy in lieu of an annual cash retainers for service on the Board of Directors and committees thereof in the aggregate amount of $47,500. The shares subject to the option vest in four equal quarterly installments on the last day of each fiscal quarter in 2021 with the first installment vesting on March 31, 2021, provided that the reporting person is in service as a director on each such vesting date. /s/ Rodney Young, Attorney-in-Fact for Wendye Robbins 2021-04-02