X0407 4 2023-05-10 false 0001560241 G1 Therapeutics, Inc. GTHX 0001967910 Umstead John V. 700 PARK OFFICES DRIVE, SUITE 200 RESEARCH TRIANGLE PARK NC 27709 false true false false Chief Financial Officer false Common Stock 2023-05-10 4 A false 35000.00 0.00 A 93886.00 D Represents a restricted stock unit ("RSU") award that vests 50% on May 10, 2024 and 50% on May 10, 2025, subject to the Reporting Person's continued service through each applicable vesting date. Each RSU represents a contingent right to receive one share of Issuer common stock. Represents (i) 2,036 shares of common stock; (ii) 850 RSUs from award granted on January 4, 2021; (iii) 3,000 RSUs from award granted on January 3, 2022; (iv) 3,000 RSUs from award granted on January 3, 2023; (v) 50,000 RSUs from award granted on March 15, 2023; and (vi) 35,000 RSUs from award granted on May 10, 2023. /s /Sandi James, attorney-in-fact 2023-05-12