X0306 4 2022-01-20 0 0001260990 Oncternal Therapeutics, Inc. ONCT 0001269341 VINCENT RICHARD G 12230 EL CAMINO REAL, SUITE 300 SAN DIEGO CA 92130 0 1 0 0 Chief Financial Officer Stock Option 1.94 2022-01-20 4 A 0 109579 0.00 A 2032-01-20 Common Stock 109579 109579 D One-fourth of the shares subject to the stock options shall vest on first anniversary of the date of grant, and the remaining shares subject to the option shall vest in 36 equal monthly installments over the three-year period thereafter, subject to the Reporting Person's continued employment or service with the Issuer on each such date. /s/Chase C. Leavitt, Attorney-in-fact 2022-01-24