3 insiders reported 44 Form 4 transactions for NEKTAR THERAPEUTICS (NKTR) over the past 18 months (most recent 2026-08-20). Recent activity: ROBIN HOWARD W (President & CEO) Sell 418 shares, Zalevsky Jonathan (Chief R&D Officer) Sell 186 shares, Zalevsky Jonathan (Chief R&D Officer) Sell 5,681 shares, ROBIN HOWARD W (President & CEO) Sell 5,303 shares, ROBIN HOWARD W (President & CEO) Sell 4,697 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-20 | ROBIN HOWARD W | President & CEO | Sell | 418 | $30,088 |
| 2026-08-20 | Zalevsky Jonathan | Chief R&D Officer | Sell | 186 | $13,388 |
| 2026-07-02 | Zalevsky Jonathan | Chief R&D Officer | Sell | 5,681 | $397,670 |
| 2026-06-18 | ROBIN HOWARD W | President & CEO | Sell | 5,303 | $318,021 |
| 2026-06-18 | ROBIN HOWARD W | President & CEO | Sell | 4,697 | $285,155 |
| 2026-06-18 | ROBIN HOWARD W | President & CEO | Sell | 5,500 | $334,455 |
| 2026-06-18 | ROBIN HOWARD W | President & CEO | Sell | 4,500 | $277,425 |
| 2026-06-17 | Zalevsky Jonathan | Chief R&D Officer | Sell | 5,538 | $336,212 |
| 2026-05-21 | ROBIN HOWARD W | President & CEO | Sell | 444 | $29,086 |
| 2026-05-21 | Zalevsky Jonathan | Chief R&D Officer | Sell | 199 | $13,036 |
| 2026-02-20 | Zalevsky Jonathan | Chief R&D Officer | Sell | 180 | $13,140 |
| 2026-02-20 | ROBIN HOWARD W | President & CEO | Sell | 423 | $30,879 |
| 2026-01-22 | Zalevsky Jonathan | Chief R&D Officer | Sell | 3,867 | $137,936 |
| 2025-12-23 | ROBIN HOWARD W | President & CEO | Buy | 21,667 | $0 |
| 2025-12-23 | Zalevsky Jonathan | Chief R&D Officer | Buy | 6,250 | $0 |
| 2025-11-25 | Wilson Mark Andrew | Chief Legal Officer | Buy | 1,903 | $0 |
| 2025-11-25 | Wilson Mark Andrew | Chief Legal Officer | Sell | 630 | $34,196 |
| 2025-11-25 | ROBIN HOWARD W | President & CEO | Buy | 7,110 | $0 |
| 2025-11-25 | ROBIN HOWARD W | President & CEO | Sell | 2,207 | $119,796 |
| 2025-11-25 | Zalevsky Jonathan | Chief R&D Officer | Buy | 2,666 | $0 |
| 2025-11-25 | Zalevsky Jonathan | Chief R&D Officer | Sell | 1,157 | $62,802 |
| 2025-09-11 | ROBIN HOWARD W | President & CEO | Sell | 2,100 | $94,836 |
| 2025-09-11 | ROBIN HOWARD W | President & CEO | Sell | 1,200 | $55,692 |
| 2025-09-11 | ROBIN HOWARD W | President & CEO | Sell | 2,156 | $102,388 |
| 2025-09-11 | ROBIN HOWARD W | President & CEO | Sell | 1,210 | $58,298 |
Source: SEC Form 4 filings · as of 2026-08-20