Nektar Therapeutics (NKTR) Insider Trading

Over the last 3 months, NKTR insiders made 0 open-market buys and 3 sales, a net sale of -$378K (SEC Form 4). Over the last 6 months, 141 institutions increased and 91 reduced their position (13F).

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
3
Net (3m)
-$378.3K
Insider trades by month Buys Sells
Sep
Nov
Jan
Feb
May
Jun
Context3-month price -16.8%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
Jun 17, 2026Zalevsky Jonathanofficer: Chief R&D OfficerSell5,538$60.71
May 21, 2026ROBIN HOWARD Wdirector, officer: President & CEOSell444$65.51
May 21, 2026Zalevsky Jonathanofficer: Chief R&D OfficerSell199$65.51
Feb 20, 2026ROBIN HOWARD Wdirector, officer: President & CEOSell423$73.00
Feb 20, 2026Zalevsky Jonathanofficer: Chief R&D OfficerSell180$73.00
Jan 22, 2026Zalevsky Jonathanofficer: Chief R&D OfficerSell3,867$35.67
Dec 23, 2025Zalevsky Jonathanofficer: Chief R&D OfficerGrant6,250—
Dec 23, 2025ROBIN HOWARD Wdirector, officer: President & CEOGrant86,667$43.48
Dec 23, 2025Zalevsky Jonathanofficer: Chief R&D OfficerGrant25,000$43.48
Dec 23, 2025ROBIN HOWARD Wdirector, officer: President & CEOGrant21,667—
Nov 25, 2025ROBIN HOWARD Wdirector, officer: President & CEOSell2,207$54.28
Nov 25, 2025Wilson Mark Andrewofficer: Chief Legal OfficerSell630$54.28
Nov 25, 2025ROBIN HOWARD Wdirector, officer: President & CEOGrant7,110—
Nov 25, 2025ROBIN HOWARD Wdirector, officer: President & CEOGrant12,170$281.25
Nov 25, 2025Wilson Mark Andrewofficer: Chief Legal OfficerGrant3,400$281.25
Nov 25, 2025Zalevsky Jonathanofficer: Chief R&D OfficerGrant4,766$281.25
Nov 25, 2025Wilson Mark Andrewofficer: Chief Legal OfficerGrant1,903—
Nov 25, 2025Zalevsky Jonathanofficer: Chief R&D OfficerSell1,157$54.28
Nov 25, 2025Zalevsky Jonathanofficer: Chief R&D OfficerGrant2,666—
Oct 1, 2025GREER R SCOTTdirectorGrant8,000$56.90
Oct 1, 2025Brainard DianadirectorGrant8,000$56.90
Oct 1, 2025WHITFIELD ROY AdirectorGrant8,000$56.90
Oct 1, 2025Ajer Jeffrey RobertdirectorGrant8,000$56.90
Oct 1, 2025CHESS ROBERTdirectorGrant8,000$56.90
Sep 11, 2025ROBIN HOWARD Wdirector, officer: President & CEOSell1,210$48.18
Sep 11, 2025ROBIN HOWARD Wdirector, officer: President & CEOSell2,156$47.49
Sep 11, 2025ROBIN HOWARD Wdirector, officer: President & CEOSell2,100$45.16
Sep 11, 2025ROBIN HOWARD Wdirector, officer: President & CEOSell1,200$46.41
Sep 8, 2025ROBIN HOWARD Wdirector, officer: President & CEOSell1,496$33.54
Sep 8, 2025ROBIN HOWARD Wdirector, officer: President & CEOSell1,923$32.37

Source: NKTR SEC Form 4 filings, latest Jun 17, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their NKTR positions over the last 6 months (SEC Form 13F).

Increased
141
New positions
120
Reduced
91
Sold out
60
Largest moves
InstitutionActionSharesFiled
FMR LLCIncreased4.3MMay 15, 2026
BVF INC/ILIncreased2.6MMay 15, 2026
TWO SEAS CAPITAL LPIncreased2.0MMay 15, 2026
BVF INC/ILIncreased1.6MFeb 17, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position1.2MMay 15, 2026
VANGUARD GROUP INCIncreased1.0MJan 29, 2026
TWO SIGMA INVESTMENTS, LPIncreased931KMay 15, 2026
FARALLON CAPITAL MANAGEMENT LLCNew Position791KFeb 17, 2026
TWO SEAS CAPITAL LPNew Position745KFeb 11, 2026
PROSIGHT MANAGEMENT, LPIncreased735KMay 15, 2026
BLACKROCK, INC.Increased693KMay 13, 2026
MORGAN STANLEYIncreased659KMay 15, 2026
BLACKROCK, INC.Increased646KFeb 12, 2026
ARMISTICE CAPITAL, LLCIncreased596KFeb 17, 2026
ARMISTICE CAPITAL, LLCReduced578KMay 15, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.

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