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Giacobello Scott M.'s Form 4/A amendment

Amended

Whitehawk Therapeutics, Inc. (WHWK) · filed Sep 18, 2026

Accession no.
0001754154-26-000016
Filed
Sep 18, 2026, 4:45 PM ET
Trade date
Sep 15, 2026
Filing delay
3 days
Rule 10b5-1 plan
Not checked
Original filed
Sep 15, 2026

This filing lists 2 derivative transactions. It was filed 3 days after the trade.

This amendment replaces 0001754154-26-000014 (filed Sep 15, 2026).

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Giacobello Scott M.CIK 0001754154Officer (CHIEF FINANCIAL OFFICER)

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

This filing has no transactions of this kind.

Derivative securities (Table II)

Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.

Derivative transactions
Trade dateSecurityTransactionUnderlying sharesUnit priceValueHeld afterOwnershipFlags
Sep 15, 2026Common StockAGrant or awardAcquired+118,476$0.00$0118,476Direct
Sep 15, 2026Common StockAGrant or awardAcquired+118,476$0.00$0118,476Direct

Footnotes and remarks

Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.

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 1/48th of the total shares subject to the option shall vest every month thereafter such that all shares subject to the option shall be fully vested on the four-year anniversary of the Vesting Commencement Date. "Vesting Commencement Date" shall mean September 15, 2026.

F2

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

F3

The original Form 4 filed by the Reporting Person erroneously reflected an incorrect vesting schedule. Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through the 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 September 15, 2026.

Read the full filing on SEC EDGAR (opens in a new tab)