InsiderTrades

Form 4 for WHWK Whitehawk Therapeutics, Inc.

Accepted 2026-04-03 18:20:30 ET · period of report 2026-04-01 · accession 0001766522-26-000005 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2026-04-03 18:20 2026-04-01 WHWK BALL BRYAN See remarks M - OptEx — +366.5K 572.6K +178% —
D 2026-04-03 18:20 2026-04-01 WHWK BALL BRYAN See remarks M - OptEx $0.00 -366.5K 0 -100% $0
D 2026-04-03 18:20 2026-04-01 WHWK BALL BRYAN See remarks A - Grant $0.00 +250.1K 250.1K New $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-04-01 M A 366,532 — 572,551 D — — (F1) Each restricted stock unit ("RSU") represents a contingent right to receive one share of Whitehawk Therapeutics, Inc. Common Stock.
2 Derivative Restricted Stock Units 2026-04-01 M D 366,532 $0.00 0 D — · — to — 366,532 Common Stock (F1) Each restricted stock unit ("RSU") represents a contingent right to receive one share of Whitehawk Therapeutics, Inc. Common Stock. (F2) 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, 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 April 1, 2025. (F2) 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, 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 April 1, 2025.
3 Derivative Stock Option (right to buy) 2026-04-01 A A 250,058 $0.00 250,058 D $3.54 · — to 2036-04-01 250,058 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 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 April 1, 2026.