Margaret Dugan - 01 Dec 2025 Form 4 Insider Report for Whitehawk Therapeutics, Inc. (WHWK)

Role: Chief Medical Officer
Signature: /s/ Stephen Rodin, as Attorney-in-Fact
Issuer symbol: WHWK
Transactions as of: 01 Dec 2025
Net transactions value: $0
Form type: 4
Filing time: 02 Dec 2025, 16:48:25 UTC
Previous filing: 17 Oct 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Dugan Margaret	Chief Medical Officer	C/O WHITEHAWK THERAPEUTICS, INC., 2 HEADQUARTERS PLAZA, EAST BLDG, 11TH FL, MORRISTOWN	/s/ Stephen Rodin, as Attorney-in-Fact	02 Dec 2025	0001909734

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	WHWK	Stock option (right to buy)	Award	$0	+650,000		$0.000000	650,000	01 Dec 2025	Common Stock	650,000	$2.26	Direct	F1
transaction	WHWK	Restricted Stock Units	Award	$0	+55,309		$0.000000	55,309	01 Dec 2025	Common Stock	55,309		Direct	F2, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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.
F2	Each restricted stock unit ("RSU") represents a contingent right to receive one share of Whitehawk Therapeutics, Inc. Common Stock.
F3	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.