🕵️ Whitehawk Therapeutics, Inc. ($WHWK)
SEC insider & ownership activity, last 12 months · CIK 1422142 · every row links its SEC filing
Over the last 12 months insiders sold $2.6M with no open-market buying against it. Lennon David James sold $1.1M (Mar–Apr). Avoro Capital Advisors LLC added 18.0% → 20.0%; Acuta Capital Partners, LLC added 7.5% → 8.7%. No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 3 sellers, $2.6M (14 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Lennon David James | 0 | – | 6 | $1.1M | Apr 9, 2026 |
| Scott M. Giacobello | 0 | – | 3 | $891K | Apr 16, 2026 |
| Ball Bryan | 0 | – | 5 | $635K | Apr 14, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Behzad Aghazadeh | 20.0% | 13D | May 12, 2026 | filing ↗ | |
| Avoro Capital Advisors LLC | 20.0% | 13D | May 12, 2026 | filing ↗ | |
| Behzad Aghazadeh | 14.5% | 13D | Dec 19, 2024 | filing ↗ | |
| Avoro Capital Advisors LLC | 11.6% | 13D | Dec 19, 2024 | filing ↗ | |
| Suvretta Capital Management, LLC | 10.0% | 13G | Mar 11, 2025 | filing ↗ | |
| Cowen Aaron | 10.0% | 13G | Mar 11, 2025 | filing ↗ | |
| Leonard Braden Michael | 9.9% | 13D | Dec 31, 2024 | filing ↗ | |
| QVT Financial LP | 9.4% | 13G | Feb 14, 2025 | filing ↗ | |
| Neil Desai | 9.2% | 13D | Dec 19, 2024 | filing ↗ | |
| Anupam Dalal | 9.0% | 13D | May 14, 2026 | filing ↗ | |
| Orbimed Advisors LLC | 8.9% | 13G | May 15, 2025 | filing ↗ | |
| Orbimed Genesis GP LLC | 8.9% | 13G | May 15, 2025 | filing ↗ | |
| Averill Master Fund, Ltd. | 8.9% | 13G | Mar 11, 2025 | filing ↗ | |
| Acuta Capital Partners, LLC | 8.7% | 13D | May 14, 2026 | filing ↗ | |
| BML Investment Partners, L.P. | 8.5% | 13D | Dec 31, 2024 | filing ↗ | |
| Anupam Dalal | 7.8% | 13D | Dec 19, 2024 | filing ↗ | |
| Acuta Capital Fund, LP | 6.6% | 13D | May 14, 2026 | filing ↗ | |
| Acuta Capital Fund, LP | 6.4% | 13D | Dec 19, 2024 | filing ↗ | |
| Fan Yu | 6.3% | 13G | Mar 10, 2025 | filing ↗ | |
| Coastlands Capital LP | 6.0% | 13G | Aug 25, 2025 | filing ↗ | |
| Coastlands Capital Partners LP | 6.0% | 13G | Aug 25, 2025 | filing ↗ | |
| Coastlands Capital GP LLC | 6.0% | 13G | Aug 25, 2025 | filing ↗ | |
| Coastlands Capital LLC | 6.0% | 13G | Aug 25, 2025 | filing ↗ | |
| Matthew D. Perry | 6.0% | 13G | Aug 25, 2025 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Scott M. Giacobello | $900K | Apr 15, 2026 | filing ↗ |
| Lennon David James | $15K | Apr 9, 2026 | filing ↗ |
| Ball Bryan | $650K | Apr 9, 2026 | filing ↗ |
| Lennon David James | $1.0M | Apr 2, 2026 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Shareholder vote (5.07) | Jun 11, 2026 | filing ↗ |
| Other events (8.01) | May 21, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 21, 2026 | filing ↗ |
| Material agreement (1.01) | May 12, 2026 | filing ↗ |
| Unregistered equity sale (3.02) | May 12, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 12, 2026 | filing ↗ |
| Earnings (2.02) | May 7, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 7, 2026 | filing ↗ |
| Earnings (2.02) | Mar 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 12, 2026 | filing ↗ |
| Earnings (2.02) | Nov 6, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 6, 2025 | filing ↗ |
| Earnings (2.02) | Aug 7, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 7, 2025 | filing ↗ |