X0306 4 2022-07-28 0 0001260990 Oncternal Therapeutics, Inc. ONCT 0001777467 Leavitt Chase C. 12230 EL CAMINO REAL, SUITE 230 SAN DIEGO CA 92130 0 1 0 0 General Counsel/Secretary Common Stock 2022-07-28 4 A 0 43125 0.00 A 87992 D Stock Option 1.04 2022-07-28 4 A 0 28750 0.00 A 2032-07-28 Common Stock 28750 28750 D Represents an award of restricted stock units (RSUs). Each RSU represents the right to receive one share of the Issuer's common stock upon vesting. One half of the RSUs vest on July 3, 2023, and one half of the RSUs vest on January 3, 2024, subject to the Reporting Person's continued employment or service with the Issuer on each such date. All of the RSUs vest in the event of a Change in Control (as defined in the Issuer's 2019 Incentive Award Plan). One half of the shares subject to the stock options vest on July 3, 2023 and one half of the shares subject to the stock options vest on January 3, 2024, subject to the Reporting Person's continued employment or service with the Issuer on each such date. All of the shares subject to the stock options vest in the event of a Change in Control (as defined in the Issuer's 2019 Incentive Award Plan). /s/Chase C. Leavitt 2022-08-01