SEC Form 4 · accession 0001766522-26-000015
Whitehawk Therapeutics, Inc. · WHWK
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
A later amendment supersedes this filing — read the amendment. The figures below are kept as originally reported (version chain, not an overwrite).
Reporting owner
Bryan Ball
Officer — See remarks
Period of report
Sep 15, 2026
Accepted (ET)
Sep 15, 2026 · 7:05 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001422142
Table I — non-derivative securities
No Table I lines on this filing.
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option (right to buy)F1 | $4.09 | Sep 15, 2026 | A | 91,633 | A | — | Sep 15, 2036 | Common Stock | 91,633 | 91,633 | D |
| Restricted Stock UnitsF2,F3 | — | Sep 15, 2026 | A | 91,633 | A | — | — | Common Stock | 91,633 | 91,633 | D |
Explanation of responses
- F1Subject 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.
- F2Each restricted stock unit ("RSU") represents a contingent right to receive one share of Whitehawk Therapeutics, Inc. Common Stock.
- F3Subject 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 award shall vest on the one-year anniversary of the Vesting Commencement Date, and twenty five percent (25%) of the shares subject to the award shall vest on each of the next three Vesting Commencement Date anniversaries thereafter. "Vesting Commencement Date" shall mean September 15, 2026.
Remarks
Chief Technical Operations Officer