JZ
Jonathan Zalevsky
Chief R&D Officer

Jonathan Zalevsky insider trades: Nektar Therapeutics (NKTR) stock sales

Chief R&D Officer, Nektar Therapeutics Last trade Aug 18, 2026 45 Form 4 filings
$974K
Sold, last 12 months
7 sales
$0
Bought, last 12 months
0 buys
36
Open-market trades
since 2019
1
Company
last trade 2026

Trades on the price chart

Daily close, with an arrow on each day they bought or sold

Companies

Where Jonathan reports to the SEC

Open-market buys and sales

36 trades reported on SEC Form 4, newest first

DateStockTypeValue
Aug 18, 2026NKTR↓ Sell$13K
Jun 30, 2026NKTR↓ Sell$398K
Jun 15, 2026NKTR↓ Sell$336K
May 19, 2026NKTR↓ Sell$13K
Feb 18, 2026NKTR↓ Sell$13K
Jan 20, 2026NKTR↓ Sell$138K
Nov 25, 2025NKTR↓ Sell$63K
Sep 4, 2025NKTR↓ Sell$58K
Sep 2, 2025NKTR↓ Sell$15K
Aug 19, 2025NKTR↓ Sell$19K
May 19, 2025NKTR↓ Sell$7K
Feb 19, 2025NKTR↓ Sell$10K
Dec 19, 2024NKTR↓ Sell$48K
Nov 19, 2024NKTR↓ Sell$8K
Aug 19, 2024NKTR↓ Sell$9K
May 17, 2024NKTR↓ Sell$13K
Feb 20, 2024NKTR↓ Sell$6K
Nov 17, 2023NKTR↓ Sell$5K
Aug 16, 2023NKTR↓ Sell$8K
May 16, 2023NKTR↓ Sell$7K
Feb 16, 2023NKTR↓ Sell$31K
Nov 16, 2022NKTR↓ Sell$48K
Aug 18, 2022NKTR↓ Sell$343K
Aug 16, 2022NKTR↓ Sell$50K
May 16, 2022NKTR↓ Sell$86K
Feb 16, 2022NKTR↓ Sell$119K
Nov 16, 2021NKTR↓ Sell$275K
Aug 16, 2021NKTR↓ Sell$106K
May 17, 2021NKTR↓ Sell$569K
Feb 16, 2021NKTR↓ Sell$540K
Nov 23, 2020NKTR↓ Sell$269K
Nov 16, 2020NKTR↓ Sell$501K
Aug 17, 2020NKTR↓ Sell$515K
May 18, 2020NKTR↓ Sell$103K
Feb 18, 2020NKTR↓ Sell$107K
Nov 18, 2019NKTR↓ Sell$71K

Each row is one filing's trades in one stock, summed. Shares and prices are as filed, before any later stock split.

Other NKTR insiders

Open-market trades in the last 12 months

About Jonathan Zalevsky's insider trades

Jonathan Zalevsky is Chief R&D Officer at Nektar Therapeutics (NKTR). Since Nov 18, 2019, Jonathan has reported no open-market purchases and 36 sales worth $4.9M on SEC Form 4. In the last 12 months: 7 sales ($974K).

Their filings also include grants and awards (14 filings). These aren't open-market trades and aren't counted above.

How to read insider trades

Officers, directors and owners of more than 10% of a company must report trades in its stock on SEC Form 4, usually within two business days. Purchases with their own money are the stronger signal: insiders sell for many reasons (taxes, diversification, a house), but buy for one. See every NKTR insider trade, the latest insider trades across the market, or cluster buys, when several insiders buy the same stock within days.