Nektar Therapeutics (NKTR) Insider Trading
Over the last 3 months, NKTR insiders made 0 open-market buys and 8 sales, a net sale of -$2.0M (SEC Form 4). Over the last 6 months, 175 institutions increased and 91 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
8
Net (3m)
-$2.0M
Insider trades by month Buys Sells
Jan
Feb
May
Jun
Jul
Aug
Context3-month price +10.7%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 20, 2026 | ROBIN HOWARD Wdirector, officer: President & CEO | Sell | 418 | $71.98 |
| Aug 20, 2026 | Zalevsky Jonathanofficer: Chief R&D Officer | Sell | 186 | $71.98 |
| Jul 24, 2026 | ROBIN HOWARD Wdirector, officer: President & CEO | Grant | 57,200 | $15.15 |
| Jul 24, 2026 | Zalevsky Jonathanofficer: Chief R&D Officer | Grant | 16,500 | $15.15 |
| Jul 2, 2026 | Zalevsky Jonathanofficer: Chief R&D Officer | Sell | 5,681 | $70.00 |
| Jun 18, 2026 | ROBIN HOWARD Wdirector, officer: President & CEO | Sell | 5,303 | $59.97 |
| Jun 18, 2026 | ROBIN HOWARD Wdirector, officer: President & CEO | Sell | 4,697 | $60.71 |
| Jun 18, 2026 | ROBIN HOWARD Wdirector, officer: President & CEO | Sell | 5,500 | $60.81 |
| Jun 18, 2026 | ROBIN HOWARD Wdirector, officer: President & CEO | Sell | 4,500 | $61.65 |
| Jun 17, 2026 | Zalevsky Jonathanofficer: Chief R&D Officer | Sell | 5,538 | $60.71 |
| May 21, 2026 | Zalevsky Jonathanofficer: Chief R&D Officer | Sell | 199 | $65.51 |
| May 21, 2026 | ROBIN HOWARD Wdirector, officer: President & CEO | Sell | 444 | $65.51 |
| Feb 20, 2026 | Zalevsky Jonathanofficer: Chief R&D Officer | Sell | 180 | $73.00 |
| Feb 20, 2026 | ROBIN HOWARD Wdirector, officer: President & CEO | Sell | 423 | $73.00 |
| Jan 22, 2026 | Zalevsky Jonathanofficer: Chief R&D Officer | Sell | 3,867 | $35.67 |
| Dec 23, 2025 | ROBIN HOWARD Wdirector, officer: President & CEO | Grant | 21,667 | — |
| Dec 23, 2025 | ROBIN HOWARD Wdirector, officer: President & CEO | Grant | 86,667 | $43.48 |
| Dec 23, 2025 | Zalevsky Jonathanofficer: Chief R&D Officer | Grant | 25,000 | $43.48 |
| Dec 23, 2025 | Zalevsky Jonathanofficer: Chief R&D Officer | Grant | 6,250 | — |
| Nov 25, 2025 | ROBIN HOWARD Wdirector, officer: President & CEO | Sell | 2,207 | $54.28 |
| Nov 25, 2025 | ROBIN HOWARD Wdirector, officer: President & CEO | Grant | 7,110 | — |
| Nov 25, 2025 | Wilson Mark Andrewofficer: Chief Legal Officer | Grant | 3,400 | $281.25 |
| Nov 25, 2025 | Wilson Mark Andrewofficer: Chief Legal Officer | Sell | 630 | $54.28 |
| Nov 25, 2025 | Wilson Mark Andrewofficer: Chief Legal Officer | Grant | 1,903 | — |
| Nov 25, 2025 | Zalevsky Jonathanofficer: Chief R&D Officer | Grant | 4,766 | $281.25 |
| Nov 25, 2025 | Zalevsky Jonathanofficer: Chief R&D Officer | Sell | 1,157 | $54.28 |
| Nov 25, 2025 | Zalevsky Jonathanofficer: Chief R&D Officer | Grant | 2,666 | — |
| Nov 25, 2025 | ROBIN HOWARD Wdirector, officer: President & CEO | Grant | 12,170 | $281.25 |
| Oct 1, 2025 | Brainard Dianadirector | Grant | 8,000 | $56.90 |
| Oct 1, 2025 | GREER R SCOTTdirector | Grant | 8,000 | $56.90 |
Source: NKTR SEC Form 4 filings, latest Aug 20, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their NKTR positions over the last 6 months (SEC Form 13F).
Increased
175
New positions
147
Reduced
91
Sold out
39
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| FMR LLC | Increased | 5.1M | Aug 13, 2026 |
| FMR LLC | Increased | 4.3M | May 15, 2026 |
| Two Seas Capital LP | Increased | 3.1M | Aug 12, 2026 |
| BlackRock, Inc. | Increased | 2.9M | Aug 7, 2026 |
| BVF INC/IL | Increased | 2.6M | May 15, 2026 |
| BVF INC/IL | Reduced | 2.4M | Aug 14, 2026 |
| TWO SEAS CAPITAL LP | Increased | 2.0M | May 15, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 1.5M | Aug 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 1.5M | Aug 13, 2026 |
| TWO SIGMA INVESTMENTS, LP | Increased | 1.2M | Aug 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 1.2M | May 15, 2026 |
| Vestal Point Capital, LP | Increased | 1.0M | Aug 14, 2026 |
| MORGAN STANLEY | Increased | 937K | Aug 13, 2026 |
| TWO SIGMA INVESTMENTS, LP | Increased | 931K | May 15, 2026 |
| STATE STREET CORP | Increased | 910K | Aug 7, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.