Whitehawk Therapeutics, Inc. SEC filings WHWK
Whitehawk Therapeutics, Inc. has 671 filings in SEC EDGAR's recent list, going back to Feb 1, 2008. Its latest annual report, Form ARS, was filed on Apr 28, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 6, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Sep 10, 2026 (officer or director change). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4/A | Filing | Sep 18, 2026 | Sep 15, 2026 |
| 4/A | Filing | Sep 18, 2026 | Sep 15, 2026 |
| 4/A | Filing | Sep 18, 2026 | Sep 15, 2026 |
| 4/A | Filing | Sep 18, 2026 | Sep 15, 2026 |
| 4/A | Filing | Sep 18, 2026 | Sep 15, 2026 |
| 4 | Insider transaction | Sep 15, 2026 | Sep 15, 2026 |
| 4 | Insider transaction | Sep 15, 2026 | Sep 15, 2026 |
| 4 | Insider transaction | Sep 15, 2026 | Sep 15, 2026 |
| 4 | Insider transaction | Sep 15, 2026 | Sep 15, 2026 |
| 4 | Insider transaction | Sep 15, 2026 | Sep 15, 2026 |
| 4 | Insider transaction | Sep 11, 2026 | Sep 9, 2026 |
| 3 | Initial insider ownership | Sep 11, 2026 | Sep 9, 2026 |
| 8-K |
Current report
Officer or director change
|
Sep 10, 2026 | Sep 9, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| 10-Q | Quarterly report | Aug 6, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2026 | Aug 6, 2026 |
| 4 | Insider transaction | Jul 30, 2026 | May 14, 2026 |
| 4 | Insider transaction | Jun 15, 2026 | Jun 12, 2026 |
| 4 | Insider transaction | Jun 15, 2026 | Jun 12, 2026 |
| 4 | Insider transaction | Jun 15, 2026 | Jun 12, 2026 |
| 4 | Insider transaction | Jun 15, 2026 | Jun 12, 2026 |
| 4 | Insider transaction | Jun 15, 2026 | Jun 12, 2026 |
| 4 | Insider transaction | Jun 15, 2026 | Jun 12, 2026 |
| 4 | Insider transaction | Jun 15, 2026 | Jun 12, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 12, 2026 | Jun 11, 2026 |
| EFFECT | Filing | Jun 9, 2026 | — |
| CORRESP | Letter to the SEC | Jun 5, 2026 | — |
| UPLOAD | Letter from the SEC | Jun 5, 2026 | — |
| S-3 | Shelf registration | May 29, 2026 | — |
| 8-K |
Current report
Other events
|
May 21, 2026 | May 21, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | May 18, 2026 | — |
| 4 | Insider transaction | May 18, 2026 | May 14, 2026 |
| 4 | Insider transaction | May 18, 2026 | May 14, 2026 |
| 4 | Insider transaction | May 18, 2026 | May 14, 2026 |
| 4 | Insider transaction | May 18, 2026 | May 14, 2026 |
| 4 | Insider transaction | May 18, 2026 | May 14, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | May 14, 2026 | — |
| 4 | Insider transaction | May 14, 2026 | May 12, 2026 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
|
May 13, 2026 | May 12, 2026 |
| 10-Q | Quarterly report | May 7, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 7, 2026 | May 7, 2026 |
| DEFA14A | Additional proxy material | Apr 28, 2026 | — |
| ARS | Annual report to shareholders | Apr 28, 2026 | Dec 31, 2025 |
| DEF 14A | Proxy statement | Apr 28, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Apr 17, 2026 | Apr 15, 2026 |
| 144 | Notice of proposed sale | Apr 15, 2026 | — |
| 4 | Insider transaction | Apr 15, 2026 | Apr 13, 2026 |
| 4 | Insider transaction | Apr 13, 2026 | Apr 9, 2026 |
| 4 | Insider transaction | Apr 10, 2026 | Apr 9, 2026 |
| 144 | Notice of proposed sale | Apr 9, 2026 | — |
| 144 | Notice of proposed sale | Apr 9, 2026 | — |
| 4 | Insider transaction | Apr 8, 2026 | Apr 6, 2026 |
| 4 | Insider transaction | Apr 3, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 3, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 3, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 3, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 3, 2026 | Apr 1, 2026 |
| 144 | Notice of proposed sale | Apr 2, 2026 | — |
| S-8 | Employee stock plan registration | Mar 12, 2026 | — |
| 10-K | Annual report | Mar 12, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 12, 2026 | Mar 12, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 1, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 1, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 1, 2026 |
| 4 | Insider transaction | Dec 2, 2025 | Dec 1, 2025 |
| 3 | Initial insider ownership | Dec 2, 2025 | Dec 1, 2025 |
| 10-Q | Quarterly report | Nov 6, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 6, 2025 | Nov 6, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 25, 2025 | — |
| 10-Q | Quarterly report | Aug 7, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2025 | Aug 7, 2025 |
| 4 | Insider transaction | Jun 17, 2025 | Jun 17, 2025 |
| 4 | Insider transaction | Jun 17, 2025 | Jun 12, 2025 |
| 4 | Insider transaction | Jun 16, 2025 | Jun 12, 2025 |
| 4 | Insider transaction | Jun 16, 2025 | Jun 12, 2025 |
| 4 | Insider transaction | Jun 16, 2025 | Jun 12, 2025 |
| 4 | Insider transaction | Jun 16, 2025 | Jun 12, 2025 |
| 4 | Insider transaction | Jun 16, 2025 | Jun 12, 2025 |
| 4 | Insider transaction | Jun 16, 2025 | Jun 12, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Jun 13, 2025 | Jun 11, 2025 |
| UPLOAD | Letter from the SEC | May 22, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2025 | — |
| CORRESP | Letter to the SEC | May 13, 2025 | — |
| 10-Q | Quarterly report | May 8, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 8, 2025 | May 8, 2025 |
| UPLOAD | Letter from the SEC | May 7, 2025 | — |
| ARS | Annual report to shareholders | Apr 28, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 28, 2025 | — |
| DEF 14A | Proxy statement | Apr 28, 2025 | Jun 11, 2025 |
| 424B5 | Prospectus supplement | Apr 25, 2025 | — |
| EFFECT | Filing | Apr 8, 2025 | — |
| CORRESP | Letter to the SEC | Apr 4, 2025 | — |
| UPLOAD | Letter from the SEC | Apr 4, 2025 | — |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| S-3 | Shelf registration | Mar 31, 2025 | — |
| 8-K/A | Amended current report | Mar 31, 2025 | Mar 25, 2025 |
| S-8 | Employee stock plan registration | Mar 28, 2025 | — |
| 10-K | Annual report | Mar 28, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Acquisition or sale of assets
|
Mar 26, 2025 | Mar 25, 2025 |
| 8-K |
Current report
Results of operations, Bylaw or fiscal year change
|
Mar 18, 2025 | Mar 18, 2025 |
| D | Filing | Mar 18, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Mar 11, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Mar 10, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 6, 2025 | — |
| 4 | Insider transaction | Mar 5, 2025 | Mar 4, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 5, 2025 | — |
| 4 | Insider transaction | Mar 4, 2025 | Mar 4, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 4, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 4, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 1, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 4, 2025 | — |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 8-K |
Current report
Material agreement, Shareholder vote results, Regulation FD disclosure
|
Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 3, 2025 | Mar 1, 2025 |
| 4 | Insider transaction | Mar 3, 2025 | Mar 1, 2025 |
| 144 | Notice of proposed sale | Mar 3, 2025 | — |
| 144 | Notice of proposed sale | Mar 3, 2025 | — |
| 144 | Notice of proposed sale | Mar 3, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 24, 2025 | — |
| DEFA14A | Additional proxy material | Feb 19, 2025 | — |
| 3 | Initial insider ownership | Feb 18, 2025 | Feb 18, 2025 |
| DEFA14A | Additional proxy material | Feb 18, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| DEFA14A | Additional proxy material | Feb 5, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 4, 2025 | — |
| DEFM14A | Filing | Jan 31, 2025 | — |
| SCHEDULE 13D | Ownership over 5% (active) | Jan 30, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 29, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jan 24, 2025 | — |
| PREM14A | Filing | Jan 21, 2025 | Jan 21, 2025 |
| SCHEDULE 13D | Ownership over 5% (active) | Dec 31, 2024 | — |
| DEFA14A | Additional proxy material | Dec 30, 2024 | — |
| 4 | Insider transaction | Dec 23, 2024 | Dec 19, 2024 |
| 3 | Initial insider ownership | Dec 23, 2024 | Dec 19, 2024 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Dec 23, 2024 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Dec 23, 2024 | — |
| DEFA14A | Additional proxy material | Dec 20, 2024 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Officer or director change, Regulation FD disclosure
|
Dec 20, 2024 | Dec 19, 2024 |
| 10-Q | Quarterly report | Nov 6, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 6, 2024 | Nov 6, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 2, 2024 |
| 144 | Notice of proposed sale | Oct 3, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Oct 1, 2024 | — |
| 8-K |
Current report
Other events
|
Sep 30, 2024 | Sep 26, 2024 |
| 8-K |
Current report
Officer or director change
|
Sep 19, 2024 | Sep 15, 2024 |
| 4 | Insider transaction | Sep 5, 2024 | Sep 3, 2024 |
| SC 13G | Ownership over 5% (passive) | Sep 3, 2024 | — |
| 144 | Notice of proposed sale | Sep 3, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Aug 28, 2024 | — |
| 8-K |
Current report
Officer or director change
|
Aug 22, 2024 | Aug 16, 2024 |
| 8-K |
Current report
Exit or restructuring costs, Other events
|
Aug 21, 2024 | Aug 16, 2024 |
| 10-Q | Quarterly report | Aug 7, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2024 | Aug 7, 2024 |
| 4 | Insider transaction | Aug 5, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | Jul 2, 2024 | Jul 1, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 12, 2024 | Jun 11, 2024 |
| 4 | Insider transaction | Jun 5, 2024 | Jun 3, 2024 |
| 144 | Notice of proposed sale | Jun 3, 2024 | — |
| 10-Q | Quarterly report | May 8, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 8, 2024 | May 8, 2024 |
| 424B5 | Prospectus supplement | May 3, 2024 | — |
| 4 | Insider transaction | May 1, 2024 | May 1, 2024 |
| EFFECT | Filing | Apr 30, 2024 | — |
| CORRESP | Letter to the SEC | Apr 26, 2024 | — |
| ARS | Annual report to shareholders | Apr 26, 2024 | Dec 31, 2023 |
| 3 | Initial insider ownership | Apr 26, 2024 | Apr 23, 2024 |
| DEFA14A | Additional proxy material | Apr 26, 2024 | — |
| DEF 14A | Proxy statement | Apr 26, 2024 | Jun 11, 2024 |
| 8-K |
Current report
Material agreement
|
Apr 4, 2024 | Apr 1, 2024 |
| 4 | Insider transaction | Apr 3, 2024 | Apr 1, 2024 |
| 10-K | Annual report | Mar 13, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 13, 2024 | Mar 13, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 1, 2024 |
| 144 | Notice of proposed sale | Mar 1, 2024 | — |
| UPLOAD | Letter from the SEC | Feb 20, 2024 | — |
| S-8 | Employee stock plan registration | Feb 12, 2024 | — |
| S-3 | Shelf registration | Feb 12, 2024 | — |
| 4 | Insider transaction | Feb 2, 2024 | Feb 1, 2024 |
| 4 | Insider transaction | Jan 2, 2024 | Jan 2, 2024 |
| 8-K |
Current report
Other events
|
Dec 14, 2023 | Dec 14, 2023 |
| 4 | Insider transaction | Dec 7, 2023 | Dec 6, 2023 |
| 4 | Insider transaction | Dec 5, 2023 | Dec 1, 2023 |
| 144 | Notice of proposed sale | Dec 1, 2023 | — |
| 10-Q | Quarterly report | Nov 8, 2023 | Sep 30, 2023 |
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Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- WHWK (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Morristown, NJ
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1422142
- Former names
- Aadi Bioscience, Inc. (until Mar 18, 2025); Aerpio Pharmaceuticals, Inc. (until Aug 23, 2021); ZETA ACQUISITION CORP II (until Mar 13, 2017)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.