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Nektar Therapeutics (NKTR)

Nektar Therapeutics (NKTR) Insider Trading

Directors, officers and holders of more than 10% of NKTR report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 94 transactions on file: 0 with code P, 23 with code S and 27 with other codes.

DateInsiderCodeShares
Sep 23, 2026WHITFIELD ROY AA Award4,000
Sep 23, 2026Ajer Jeffrey RobertA Award2,000
Sep 23, 2026Brainard DianaA Award2,000
Sep 23, 2026CHESS ROBERTA Award2,000
Sep 23, 2026GREER R SCOTTA Award2,000
Sep 23, 2026WHITFIELD ROY AA Award2,000
Sep 23, 2026CHESS ROBERTA Award4,000
Sep 23, 2026Brainard DianaA Award4,000
Sep 23, 2026Ajer Jeffrey RobertA Award4,000
Sep 23, 2026GREER R SCOTTA Award4,000
Aug 18, 2026Zalevsky JonathanS Sale186
Aug 18, 2026ROBIN HOWARD WS Sale418
Jul 24, 2026Zalevsky JonathanA Award16,500
Jul 24, 2026ROBIN HOWARD WA Award57,200
Jun 30, 2026Zalevsky JonathanS Sale5,681
Jun 17, 2026ROBIN HOWARD WS Sale5,500
Jun 17, 2026ROBIN HOWARD WS Sale4,500
Jun 16, 2026ROBIN HOWARD WS Sale5,303
Jun 16, 2026ROBIN HOWARD WS Sale4,697
Jun 15, 2026Zalevsky JonathanS Sale5,538
May 19, 2026ROBIN HOWARD WS Sale444
May 19, 2026Zalevsky JonathanS Sale199
Feb 18, 2026ROBIN HOWARD WS Sale423
Feb 18, 2026Zalevsky JonathanS Sale180
Jan 20, 2026Zalevsky JonathanS Sale3,867
Dec 22, 2025Zalevsky JonathanA Award6,250
Dec 22, 2025Zalevsky JonathanA Award25,000
Dec 22, 2025ROBIN HOWARD WA Award86,667
Dec 22, 2025ROBIN HOWARD WA Award21,667
Nov 25, 2025Zalevsky JonathanS Sale1,157
Nov 25, 2025Wilson Mark AndrewS Sale630
Nov 25, 2025ROBIN HOWARD WS Sale2,207
Nov 21, 2025ROBIN HOWARD WA Award12,170
Nov 21, 2025Zalevsky JonathanA Award2,666
Nov 21, 2025Wilson Mark AndrewA Award1,903
Nov 21, 2025ROBIN HOWARD WA Award7,110
Nov 21, 2025Wilson Mark AndrewA Award3,400
Nov 21, 2025Zalevsky JonathanA Award4,766
Sep 30, 2025GREER R SCOTTA Award8,000
Sep 30, 2025CHESS ROBERTA Award8,000
Sep 30, 2025Ajer Jeffrey RobertA Award8,000
Sep 30, 2025WHITFIELD ROY AA Award8,000
Sep 30, 2025Brainard DianaA Award8,000
Sep 9, 2025ROBIN HOWARD WS Sale1,210
Sep 9, 2025ROBIN HOWARD WS Sale2,156
Sep 9, 2025ROBIN HOWARD WS Sale2,100
Sep 9, 2025ROBIN HOWARD WS Sale1,200
Sep 5, 2025ROBIN HOWARD WS Sale1,136
Sep 5, 2025ROBIN HOWARD WS Sale2,226
Sep 5, 2025ROBIN HOWARD WS Sale3,304

The full Form 4 history is on the NKTR company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.