X0508 4 2025-12-01 0001422142 Whitehawk Therapeutics, Inc. WHWK 0001909734 Dugan Margaret C/O WHITEHAWK THERAPEUTICS, INC. 2 HEADQUARTERS PLAZA, EAST BLDG, 11TH FL MORRISTOWN NJ 07960 false true false false Chief Medical Officer 0 Stock option (right to buy) 2.26 2025-12-01 4 A 0 650000 0 A 2035-12-01 Common Stock 650000 650000 D Restricted Stock Units 2025-12-01 4 A 0 55309 0 A Common Stock 55309 55309 D Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, twenty five percent (25%) of the shares subject to the option shall vest on the one year anniversary of the Vesting Commencement Date, and one forty-eighth (1/48th) of the total shares subject to the option shall vest each month thereafter on the same day as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month) such that all shares of common stock subject to the option shall be fully vested on the four year anniversary of the Vesting Commencement Date. "Vesting Commencement Date" shall mean December 1, 2025. Each restricted stock unit ("RSU") represents a contingent right to receive one share of Whitehawk Therapeutics, Inc. Common Stock. Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through such applicable date, one hundred percent (100%) of the shares subject to the award shall vest on the one-year anniversary of the Vesting Commencement Date. "Vesting Commencement Date" shall mean December 1, 2025. /s/ Stephen Rodin, as Attorney-in-Fact 2025-12-02