🕵️ Nektar Therapeutics ($NKTR)
SEC insider & ownership activity, last 12 months · CIK 906709 · every row links its SEC filing
Over the last 12 months insiders sold $3.3M with no open-market buying against it. Howard W. Robin sold $2.2M through a program of 10 sale notices averaging $223K (Aug–Jun). 1 planned sale is pending, the largest $610K (Howard W. Robin). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 3 sellers, $3.3M (34 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Howard W. Robin | 0 | – | 20 | $2.2M | Jun 17, 2026 |
| Zalevsky Jonathan | 0 | – | 12 | $1.1M | Jun 30, 2026 |
| Wilson Mark Andrew | 0 | – | 2 | $52K | 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 ↗ | |
| BVF Partners L P/IL | 9.8% | 13G | May 15, 2026 | filing ↗ | |
| BVF INC/IL | 9.8% | 13G | May 15, 2026 | filing ↗ | |
| Mark N. Lampert | 9.8% | 13G | May 15, 2026 | filing ↗ | |
| BVF GP Holdings LLC | 9.1% | 13G | May 15, 2026 | filing ↗ | |
| Blackrock, Inc. | 7.8% | 13G | Jul 29, 2026 | filing ↗ | |
| Two SEAS Capital LP | 6.8% | 13G | Apr 17, 2026 | filing ↗ | |
| Two SEAS Capital GP LLC | 6.8% | 13G | Apr 17, 2026 | filing ↗ | |
| Sina Toussi | 6.8% | 13G | Apr 17, 2026 | filing ↗ | |
| Biotechnology Value Fund L P | 5.3% | 13G | May 15, 2026 | filing ↗ | |
| BVF I GP LLC | 5.3% | 13G | May 15, 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 ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| 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 ↗ |
| Howard W. Robin | $311K | Sep 9, 2025 | filing ↗ |
| Howard W. Robin | $257K | Sep 5, 2025 | filing ↗ |
| Howard W. Robin | $174K | Sep 4, 2025 | filing ↗ |
| Zalevsky Jonathan | $58K | Sep 4, 2025 | filing ↗ |
| Zalevsky Jonathan | $15K | Sep 2, 2025 | filing ↗ |
| Howard W. Robin | $45K | Sep 2, 2025 | filing ↗ |
| Howard W. Robin | $42K | Aug 19, 2025 | filing ↗ |
| Wilson Mark Andrew | $18K | Aug 19, 2025 | filing ↗ |
| Zalevsky Jonathan | $19K | Aug 19, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| 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 ↗ |
| Financial Statements and Exhibits (9.01) | Dec 16, 2025 | filing ↗ |
| Officer/director changes (5.02) | Nov 21, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 21, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Nov 8, 2025 | filing ↗ |