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

Reporting relationship: Chief Medical Officer
Issuer ticker: WHWK
Reported as of: 01 Dec 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 02 Dec 2025, 16:48:25 UTC
Prior SEC filing: 17 Oct 2025
Next SEC filing: 03 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ Stephen Rodin, as Attorney-in-Fact

Key filing fact

Margaret Dugan filed Form 4 for Whitehawk Therapeutics, Inc. (WHWK) on 02 Dec 2025.

Key facts

This page summarizes Margaret Dugan's Form 4 filing for Whitehawk Therapeutics, Inc. (WHWK).
2 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 02 Dec 2025, 16:48.

Change

Previous filing in this sequence was filed on 17 Oct 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001909734 Primary reporting owner

Dugan Margaret

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

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

WHWK transaction Derivative

Stock option (right to buy)

Award

Transaction value: $0
Shares: +650,000
Change %
Price: $0.000000
Shares after: 650,000
Date: 01 Dec 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 650,000
Exercise price: $2.26
Footnotes: F1

WHWK transaction Derivative

Restricted Stock Units

Award

Transaction value: $0
Shares: +55,309
Change %
Price: $0.000000
Shares after: 55,309
Date: 01 Dec 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 55,309
Exercise price
Footnotes: F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote 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.

Footnote F2

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

Footnote 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.