Form 4 Tracker
NEKTAR THERAPEUTICS
NKTR

10 insider filings · Latest: Jul 24, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Jun 30, 2026Jul 2 11:06 PMJonathan ZalevskyChief R&D Officer
Sale
5,681$70.00$397.7K9,756(D)

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Jun 30, 2026Jun 30 8:36 PMJONATHAN ZALEVSKY
Proposed Sale
5,681$65.39$371.5K

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Jun 17, 2026Jun 18 11:08 PMHoward W RobinDirector, President & CEO
Sale
10,000$61.19$611.9K55,045(D)

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Jun 16, 2026Jun 18 11:08 PMHoward W RobinDirector, President & CEO
Sale
10,000$60.32$603.2K65,045(D)

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Jun 15, 2026Jun 17 11:12 PMJonathan ZalevskyChief R&D Officer
Sale
5,538$60.71$336.2K15,437(D)

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Jun 17, 2026Jun 17 3:05 PMROBIN HOWARD W
Proposed Sale
10,000$60.27$602.7K

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Jun 16, 2026Jun 16 3:07 PMROBIN HOWARD W
Proposed Sale
10,000$60.96$609.6K

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Jun 15, 2026Jun 15 8:56 PMJONATHAN ZALEVSKY
Proposed Sale
5,538$59.38$328.8K

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May 19, 2026May 21 10:26 PMJonathan ZalevskyChief R&D Officer
Sale
199$65.51$13.0K20,975(D)

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May 19, 2026May 21 10:26 PMHoward W RobinDirector, President & CEO
Sale
444$65.51$29.1K75,045(D)

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May 19, 2026May 19 7:27 PMZalevsky Jonathan
Proposed Sale
199$65.51$13.0K

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May 19, 2026May 19 7:24 PMROBIN HOWARD W
Proposed Sale
444$65.51$29.1K

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Mar 13, 2026Mar 13 5:04 PMWilson Mark Andrew
Proposed Sale
78,510$72.64$5.7M

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Feb 18, 2026Feb 21 12:10 AMJonathan ZalevskyChief R&D Officer
Sale
180$73.00$13.1K21,174(D)

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Feb 18, 2026Feb 21 12:10 AMHoward W RobinDirector, President & CEO
Sale
423$73.00$30.9K75,489(D)

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Feb 18, 2026Feb 18 8:47 PMROBIN HOWARD W
Proposed Sale
423$73.00$30.9K

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Feb 18, 2026Feb 18 8:15 PMZalevsky Jonathan
Proposed Sale
180$73.00$13.1K

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Jan 20, 2026Jan 23 12:31 AMJonathan ZalevskyChief R&D Officer
Sale
3,867$35.67$137.9K21,354(D)

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Jan 20, 2026Jan 20 9:21 PMZalevsky Jonathan
Proposed Sale
3,867$35.67$137.9K

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Nov 25, 2025Nov 25 8:35 PMROBIN HOWARD W
Proposed Sale
2,207$58.82$129.8K

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Page 1 of 3

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Jul 24, 2026Jul 24 10:35 PMJonathan ZalevskyChief R&D Officer
Grant/Award
16,500$15.1516,500(D)

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Jul 24, 2026Jul 24 10:34 PMHoward W RobinDirector, President & CEO
Grant/Award
57,200$15.1557,200(D)

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