Whitfield Roy A
Director
Award
Calculated transaction value
$0
4,000 shares @ $0
Traded
Sep 23, 2026
Filed
Sep 25, 2026
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Nektar Therapeutics
NKTR
ManufacturingChemicals
Transactions reported in official disclosures
Price with disclosed trades
Daily closes, past year · marks sit on transaction dates, sized by value
20 trades
| Reporting person | Filed | Transaction | Transaction value | Source | Actions |
|---|---|---|---|---|---|
| Whitfield Roy A Director | Sep 25, 2026 2-day lag | Award Sep 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Whitfield Roy A Director | Sep 25, 2026 2-day lag | Award Sep 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Greer R Scott Director | Sep 25, 2026 2-day lag | Award Sep 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Greer R Scott Director | Sep 25, 2026 2-day lag | Award Sep 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Chess Robert Director | Sep 25, 2026 2-day lag | Award Sep 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Chess Robert Director | Sep 25, 2026 2-day lag | Award Sep 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Brainard Diana Director | Sep 25, 2026 2-day lag | Award Sep 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Brainard Diana Director | Sep 25, 2026 2-day lag | Award Sep 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Ajer Jeffrey Robert Director | Sep 25, 2026 2-day lag | Award Sep 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Ajer Jeffrey Robert Director | Sep 25, 2026 2-day lag | Award Sep 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Zalevsky Jonathan Chief R&d Officer | Aug 20, 2026 2-day lag | Sale Aug 18, 2026 | $13.39K Filed shares x price | SEC Form 4 View filing | |
| Robin Howard W President & CEO | Aug 20, 2026 2-day lag | Sale Aug 18, 2026 | $30.09K Filed shares x price | SEC Form 4 View filing | |
| Zalevsky Jonathan Chief R&D Officer | Jul 24, 2026 Same-day filing | Award Jul 24, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Robin Howard W President & CEO | Jul 24, 2026 Same-day filing | Award Jul 24, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Zalevsky Jonathan Chief R&d Officer | Jul 2, 2026 2-day lag | Sale Jun 30, 2026 | $397.67K Filed shares x price | SEC Form 4 View filing | |
| Robin Howard W President & CEO | Jun 18, 2026 1-day lag | Sale Jun 17, 2026 | $277.43K Filed shares x price | SEC Form 4 View filing | |
| Robin Howard W President & CEO | Jun 18, 2026 1-day lag | Sale Jun 17, 2026 | $334.45K Filed shares x price | SEC Form 4 View filing | |
| Robin Howard W President & CEO | Jun 18, 2026 2-day lag | Sale Jun 16, 2026 | $285.15K Filed shares x price | SEC Form 4 View filing | |
| Robin Howard W President & CEO | Jun 18, 2026 2-day lag | Sale Jun 16, 2026 | $318.02K Filed shares x price | SEC Form 4 View filing | |
| Zalevsky Jonathan Chief R&d Officer | Jun 17, 2026 2-day lag | Sale Jun 15, 2026 | $336.21K Filed shares x price | SEC Form 4 View filing |
Whitfield Roy A
Director
Award
Calculated transaction value
$0
2,000 shares @ $0
Traded
Sep 23, 2026
Filed
Sep 25, 2026
Greer R Scott
Director
Award
Calculated transaction value
$0
4,000 shares @ $0
Traded
Sep 23, 2026
Filed
Sep 25, 2026
Greer R Scott
Director
Award
Calculated transaction value
$0
2,000 shares @ $0
Traded
Sep 23, 2026
Filed
Sep 25, 2026
Chess Robert
Director
Award
Calculated transaction value
$0
2,000 shares @ $0
Traded
Sep 23, 2026
Filed
Sep 25, 2026
Chess Robert
Director
Award
Calculated transaction value
$0
4,000 shares @ $0
Traded
Sep 23, 2026
Filed
Sep 25, 2026
Brainard Diana
Director
Award
Calculated transaction value
$0
4,000 shares @ $0
Traded
Sep 23, 2026
Filed
Sep 25, 2026
Brainard Diana
Director
Award
Calculated transaction value
$0
2,000 shares @ $0
Traded
Sep 23, 2026
Filed
Sep 25, 2026
Ajer Jeffrey Robert
Director
Award
Calculated transaction value
$0
4,000 shares @ $0
Traded
Sep 23, 2026
Filed
Sep 25, 2026
Ajer Jeffrey Robert
Director
Award
Calculated transaction value
$0
2,000 shares @ $0
Traded
Sep 23, 2026
Filed
Sep 25, 2026
Zalevsky Jonathan
Chief R&d Officer
Sale
Calculated transaction value
$13.39K
186 shares @ $71.98
Traded
Aug 18, 2026
Filed
Aug 20, 2026
Robin Howard W
President & CEO
Sale
Calculated transaction value
$30.09K
418 shares @ $71.98
Traded
Aug 18, 2026
Filed
Aug 20, 2026
Zalevsky Jonathan
Chief R&D Officer
Award
Calculated transaction value
$0
16,500 shares @ $0
Traded
Jul 24, 2026
Filed
Jul 24, 2026
Robin Howard W
President & CEO
Award
Calculated transaction value
$0
57,200 shares @ $0
Traded
Jul 24, 2026
Filed
Jul 24, 2026
Zalevsky Jonathan
Chief R&d Officer
Sale
Calculated transaction value
$397.67K
5,681 shares @ $70
Traded
Jun 30, 2026
Filed
Jul 2, 2026
Robin Howard W
President & CEO
Sale
Calculated transaction value
$277.43K
4,500 shares @ $61.65
Traded
Jun 17, 2026
Filed
Jun 18, 2026
Robin Howard W
President & CEO
Sale
Calculated transaction value
$334.45K
5,500 shares @ $60.81
Traded
Jun 17, 2026
Filed
Jun 18, 2026
Robin Howard W
President & CEO
Sale
Calculated transaction value
$285.15K
4,697 shares @ $60.71
Traded
Jun 16, 2026
Filed
Jun 18, 2026
Robin Howard W
President & CEO
Sale
Calculated transaction value
$318.02K
5,303 shares @ $59.97
Traded
Jun 16, 2026
Filed
Jun 18, 2026
Zalevsky Jonathan
Chief R&d Officer
Sale
Calculated transaction value
$336.21K
5,538 shares @ $60.71
Traded
Jun 15, 2026
Filed
Jun 17, 2026