Form 4 for WHWK Whitehawk Therapeutics, Inc.
Accepted 2026-04-03 18:17:15 ET · period of report 2026-04-01 · accession 0001995275-26-000006 · 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 18:17 | 2026-04-01 | WHWK | Lennon David James | CEO, Dir | M - OptEx | — | +775.8K | 820.4K | +1,740% | — |
| D | 2026-04-03 18:17 | 2026-04-02 | WHWK | Lennon David James | CEO, Dir | S - Sale+OE | $3.48 | -26.9K | 793.5K | -3% | -$93.5K |
| D | 2026-04-03 18:17 | 2026-04-01 | WHWK | Lennon David James | CEO, Dir | M - OptEx | $0.00 | -775.8K | 0 | -100% | $0 |
| D | 2026-04-03 18:17 | 2026-04-01 | WHWK | Lennon David James | CEO, Dir | A - Grant | $0.00 | +831.1K | 831.1K | New | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-04-01 | M | A | 775,828 | — | 820,407 | D | — | — | (F1) Each restricted stock unit ("RSU") represents a contingent right to receive one share of Whitehawk Therapeutics, Inc. Common Stock. |
| 2 | Common | Common Stock | 2026-04-02 | S | D | 26,858 | $3.48 | 793,549 | D | — | — | (F2) Represents a broker-assisted sale to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units. |
| 3 | Derivative | Restricted Stock Units | 2026-04-01 | M | D | 775,828 | $0.00 | 0 | D | — · — to — | 775,828 Common Stock | (F1) 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 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. (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, 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. |
| 4 | Derivative | Stock Option (right to buy) | 2026-04-01 | A | A | 831,148 | $0.00 | 831,148 | D | $3.54 · — to 2036-04-01 | 831,148 Common Stock | (F4) 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. |