Company profile
Nektar Therapeutics Insider Trading
NKTREvery SEC Form 4 insider trading filing for Nektar Therapeutics (NKTR) since April 2023: open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- Nasdaq
- Sector
- Pharmaceutical Preparations
- CIK
- 0000906709
- Filings
- 75
- Insiders
- 12
- Last filing
- 2026-08-18
Activity summary
No insider transactions in the last 30 days. The most recent was on August 18, 2026, when Howard W Robin sold 418 shares. 75 filings from 12 insiders are on record below.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. Nektar Therapeutics insiders were net sellers in every quarter shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $2.0M.
90 day insight
Over the last 90 days, Nektar Therapeutics insiders sold $43K across 2 transactions with no open-market purchases.
- Most active insider: Jonathan Zalevsky with 3 transactions totaling $411K.
- Largest single sale: $398K by Jonathan Zalevsky on Jun 30, 2026.
- 33% of recent sales were pre-scheduled 10b5-1 trades, typically less informative than open-market activity.
Activity skews bearish: sales outpace buys.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 18, 2026 | Howard W Robin | NKTR | Sale | 418 | $71.98 | $30K |
| Aug 18, 2026 | Jonathan Zalevsky | NKTR | Sale | 186 | $71.98 | $13K |
| Jul 24, 2026 | Howard W Robin | NKTR | Award | 57,200 | — | — |
| Jul 24, 2026 | Jonathan Zalevsky | NKTR | Award | 16,500 | — | — |
| Jun 30, 2026 | Jonathan Zalevsky | NKTR | Sale10b5 | 5,681 | $70.00 | $398K |
45 more transactions hidden
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-H "X-Api-Key: $KEY"Top insiders
By open-market value traded.
Institutional Ownership
Top 13F-HR holders of Nektar Therapeutics as of 2026-06-30
Data source: quarterly 13F-HR filings: institutional holders report positions within 45 days of quarter end. Joined with insider activity above: see who's loading up institutionally while insiders are trading. Full 13F-HR API →