🕵️ Nektar Therapeutics ($NKTR)
SEC insider & ownership activity, last 12 months · CIK 906709 · every row links its SEC filing
Insider sell value was withheld pending verification over the last 12 months. No red-flag 8-Ks in the window.
🚨 1 signal active —
planned-vs-executed verdicts, pre-event flags, and cluster context live in the
API and the
alerts bot.
Insider flow
0 buyers, $0 (0 lots) · 3 sellers, value withheld pending verification (16 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Howard W. Robin | 0 | – | 8 | value withheld pending verification | Aug 18, 2026 |
| Zalevsky Jonathan | 0 | – | 7 | value withheld pending verification | Aug 18, 2026 |
| Wilson Mark Andrew | 0 | – | 1 | $34K | Nov 25, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| FMR LLC | 15.0% | 13G | May 6, 2026 | filing ↗ | |
| Abigail P. Johnson | 15.0% | 13G | May 6, 2026 | filing ↗ | |
| Two SEAS Capital LP | 9.1% | 13G | Aug 14, 2026 | filing ↗ | |
| Two SEAS Capital GP LLC | 9.1% | 13G | Aug 14, 2026 | filing ↗ | |
| Sina Toussi | 9.1% | 13G | Aug 14, 2026 | filing ↗ | |
| BlackRock, Inc. | 7.8% | 13G | Jul 29, 2026 | filing ↗ | |
| BVF Partners L P/IL | 7.1% | 13G | Aug 14, 2026 | filing ↗ | |
| BVF INC/IL | 7.1% | 13G | Aug 14, 2026 | filing ↗ | |
| Mark N. Lampert | 7.1% | 13G | Aug 14, 2026 | filing ↗ | |
| BVF GP Holdings LLC | 6.5% | 13G | Aug 14, 2026 | filing ↗ | |
| Samlyn Capital, LLC | 5.2% | 13G | Feb 14, 2025 | filing ↗ | |
| Samlyn, LP | 5.2% | 13G | Feb 14, 2025 | filing ↗ | |
| Robert Pohly | 5.2% | 13G | Feb 14, 2025 | filing ↗ | |
| Vanguard Capital Management | 5.2% | 13G | Jul 31, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Zalevsky Jonathan | $13K | Aug 18, 2026 | filing ↗ |
| Howard W. Robin | $30K | Aug 18, 2026 | filing ↗ |
| Jonathan Zalevsky | $371K | Jun 30, 2026 | filing ↗ |
| Howard W. Robin | $603K | Jun 17, 2026 | filing ↗ |
| Howard W. Robin | $610K | Jun 16, 2026 | filing ↗ |
| Jonathan Zalevsky | $329K | Jun 15, 2026 | filing ↗ |
| Zalevsky Jonathan | $13K | May 19, 2026 | filing ↗ |
| Howard W. Robin | $29K | May 19, 2026 | filing ↗ |
| Wilson Mark Andrew | $5.7M | Mar 13, 2026 | filing ↗ |
| Howard W. Robin | $31K | Feb 18, 2026 | filing ↗ |
| Zalevsky Jonathan | $13K | Feb 18, 2026 | filing ↗ |
| Zalevsky Jonathan | $138K | Jan 20, 2026 | filing ↗ |
| Howard W. Robin | $130K | Nov 25, 2025 | filing ↗ |
| Wilson Mark Andrew | $37K | Nov 25, 2025 | filing ↗ |
| Zalevsky Jonathan | $68K | Nov 25, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Reg FD disclosure (7.01) | Sep 8, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 8, 2026 | filing ↗ |
| Earnings (2.02) | Aug 13, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 13, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 5, 2026 | filing ↗ |
| Material agreement (1.01) | May 8, 2026 | filing ↗ |
| Officer/director changes (5.02) | May 8, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 8, 2026 | filing ↗ |
| Earnings (2.02) | May 7, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 7, 2026 | filing ↗ |
| Material agreement (1.01) | Apr 21, 2026 | filing ↗ |
| Other events (8.01) | Apr 21, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 21, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Apr 20, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Apr 20, 2026 | filing ↗ |
| Other events (8.01) | Apr 20, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 20, 2026 | filing ↗ |
| Earnings (2.02) | Mar 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 12, 2026 | filing ↗ |
| Material agreement (1.01) | Feb 11, 2026 | filing ↗ |
| Other events (8.01) | Feb 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 11, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 10, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 10, 2026 | filing ↗ |
| Other events (8.01) | Feb 10, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 10, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 27, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 27, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Dec 16, 2025 | filing ↗ |
| Other events (8.01) | Dec 16, 2025 | filing ↗ |