X0306 4 2021-06-11 0 0001770787 10x Genomics, Inc. TXG 0001713070 SULIMAN SHEHNAAZ C/O 10X GENOMICS, INC. 6230 STONERIDGE MALL ROAD PLEASANTON CA 94588 1 0 0 0 Class A Common Stock 2021-06-11 4 A 0 625 0.00 A 625 D Stock Option (right to buy) 193.51 2021-06-11 4 A 0 1563 0.00 A 2031-06-11 Class A Common Stock 1563 1563 D These securities are restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of Class A Common Stock. One-fourth of the RSUs, granted pursuant to the Issuer's 2019 Omnibus Incentive Plan, shall vest on August 21, 2021 and on each three-month anniversary thereafter, subject to the Reporting Person continuing as a service provider through each such date. This option, granted pursuant to the Issuer's 2019 Omnibus Incentive Plan, vests as to one-twelfth of the shares on July 11, 2021 and each month thereafter, subject to the Reporting Person continuing as a service provider through each such date. /s/ Eric S. Whitaker, as Attorney-in-Fact 2021-06-15