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Nektar Therapeutics

NKTR
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0000906709

In the last 90 days, Nektar Therapeutics insiders filed 0 open-market purchases and 3 sales; 239 institutions reported holding it in 13F filings for Q2 2026, worth $2.50B in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Nektar Therapeutics insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
3 filings
2 insiders, $441.1K in total
Insiders trading
2
Net value
−$441.1K
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Nektar Therapeutics, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Nektar Therapeutics
NameTitleLast reported holdingLast filingFilings, past year
Whitfield Roy ADirector16,417Sep 25, 20262
Greer R ScottDirector22,239Sep 25, 20262
Chess RobertDirector19,019Sep 25, 20262
Brainard DianaDirector3,904Sep 25, 20262
Ajer Jeffrey RobertDirector4,277Sep 25, 20262
Zalevsky JonathanChief R&D Officer9,570Aug 20, 20269
Robin Howard WPresident & CEO54,627Aug 20, 20267
Wilson Mark AndrewChief Legal Officer21,585Nov 25, 20251
Kroin David10% Owner18,344,000IndirectMay 13, 20240
Deep Track Capital, LP10% Owner18,344,000IndirectMay 13, 20240
Deep Track Biotechnology Master Fund, Ltd.10% Owner18,344,000IndirectMay 13, 20240
Curet MyriamDirector27,418Sep 20, 20230
Thomsen Jillian B.Chief Financial Officer313,497Feb 17, 20230
Eastham KarinDirector23,233Sep 20, 20220
Labrucherie Gil MSVP, COO & CFO312,905May 17, 20220
Northcott JohnSVP & Chief Commercial Officer223,210May 17, 20220

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Aug 18, 2021 (view filing)Aug 162 daysNorthcott JohnSVP & Chief Commercial OfficerSSale−6.19K$13.83−$85.6K−3.0%200.9K after
Aug 18, 2021 (view filing)Aug 16-172 daysLabrucherie Gil MSVP, COO & CFOSSale−10.9K$13.76−$149.5K−4.3%240.2K after2 lots
Jul 22, 2021 (view filing)Jul 20-222 daysChess RobertDirectorSSale−5.72K$16.81−$96.1K−2.0%280.6K after3 lots