NKTR

NEKTAR THERAPEUTICS · Healthcare · Market cap $2.5B

Insiders sold $2.0M net in the last 90 days ·2 sellers, 0 buyers· 4 of 6 sales under Rule 10b5-1 plans· latest Form 4 filed Aug 20, 2026

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$3.2M

reported sales (SEC code S)

Unique Insiders

3

in the rolling window

Latest filing

Aug 20, 2026

Zalevsky Jonathan

NEKTAR THERAPEUTICS (NKTR) has 18 SEC Form 4 filings (36 transaction rows) in the rolling window, disclosed by 3 distinct insiders. Most recent filing: Aug 20, 2026.

Inside the rolling window, 3 insiders at NEKTAR THERAPEUTICS reported no open-market purchases and 18 open-market sales totaling $3.2M. The most active filer is President & CEO ROBIN HOWARD W with 9 filings. Insiders have net sold $2.0M over the trailing 6 months. The most recent open-market filing is a sale of 186 shares by Chief R&D Officer Zalevsky Jonathan, dated Aug 18, 2026, worth $13K.

  • Industry:Biotechnology
  • CEO:Howard W. Robin
  • Employees:63
  • HQ:San Francisco, CA, US
  • IPO:1994-05-03
Source
Sale$13KAug 20SEC ↗
Sale$30KAug 20SEC ↗
Sale$398KJul 2SEC ↗
Sale$603KJun 18SEC ↗
Sale$612KJun 18SEC ↗
Sale$336KJun 17SEC ↗
ROBIN HOWARD WFirst in 3 months
Sale$29KMay 21SEC ↗
Zalevsky JonathanFirst in 3 months
Sale$13KMay 21SEC ↗
Sale$31KFeb 20SEC ↗
Sale$13KFeb 20SEC ↗
Sale$138KJan 22SEC ↗
Wilson Mark AndrewFirst filing
Sale$34KNov 25SEC ↗
Sale$63KNov 25SEC ↗
Sale$120KNov 25SEC ↗
Sale$311KSep 11SEC ↗
ROBIN HOWARD WFirst filing
Sale$174KSep 8SEC ↗
ROBIN HOWARD WFirst filing
Sale$257KSep 8SEC ↗
Zalevsky JonathanFirst filing
Sale$58KSep 8SEC ↗
Showing 1–18 of 18
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Frequently asked questions

How many SEC Form 4 insider filings does NKTR have?

NEKTAR THERAPEUTICS (NKTR) has 18 SEC Form 4 filings (36 transaction rows) in the rolling 365-day window, disclosed by 3 distinct insiders. Most recent filing: Aug 20, 2026.

When was the most recent SEC Form 4 filing for NKTR?

The most recent Form 4 filing for NKTR on Tracefour is dated Aug 20, 2026.

Who is the most active insider at NKTR?

The most active SEC Form 4 filer at NKTR in the rolling window is President & CEO ROBIN HOWARD W, with 9 filings.

What is the net insider flow at NKTR over the last 6 months?

Over the trailing 180 days, insiders at NKTR have net sold $2.0M based on SEC Form 4 disclosures.

What is the total insider buy and sell value at NKTR in the current window?

Inside the rolling window, insiders at NKTR bought $0 and sold $3.2M based on SEC Form 4 filings.

Can I get alerts for NKTR insider trading?

Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at NEKTAR THERAPEUTICS (NKTR). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.

Related companies

NEKTAR THERAPEUTICS is in the Healthcare sector.