X0306 4 2022-02-25 0 0001061027 Viracta Therapeutics, Inc. VIRX 0001614936 Pomerantz Roger C/O VIRACTA THERAPEUTICS, INC. 2533 S COAST HWY 101, SUITE 210 CARDIFF CA 92007 1 0 0 0 Common Stock 2022-02-25 4 M 0 9034 0.00 A 27102 D Restricted Stock Units 2022-02-25 4 M 0 9034 0.00 D Common Stock 9034 117445 D Each restricted stock unit ("RSU") represents a contingent right to receive one share of Viracta Therapeutics, Inc. Common Stock. One-eighth (1/8th ) of the RSU Award will vest on November 25, 2021 (the "First Vesting Date"), and one-sixteenth (1/16th ) of the RSU Award will vest each Quarterly Vesting Date (as defined below) after the First Vesting Date, in each case subject to the reporting person continuing to be a Service Provider (as defined in the Viracta Subsidiary, Inc. 2016 Equity Incentive Plan, the "Plan") through the applicable vesting date. For the purposes of the foregoing, "Quarterly Vesting Date" means February 25, May 25, August 25,and November 25 of each year. /s/ Daniel Chevallard, as Attorney-in-Fact 2022-03-01