X0306 4 2022-01-07 0 0001724979 Rain Therapeutics Inc. RAIN 0001856681 Doebele Robert C/O RAIN THERAPEUTICS INC. 8000 JARVIS AVENUE, SUITE 204 NEWARK CA 94560 0 1 0 0 EVP, Chief Scientific Officer Stock Option (Right to Buy) 12.01 2022-01-07 4 A 0 72000 0.00 A 2032-01-07 Common Stock 72000 72000 D This option represents a right to purchase a total of 72,000 shares of the Issuer's common stock, one quarter of which will vest on January 7, 2023, with the remaining three quarters vesting in equal monthly installments through January 7, 2026, subject to the Reporting Person's continued service to the Issuer. /s/ Nelson Cabatuan, Attorney-in-fact for Robert Doebele 2022-02-04