InsiderFlow

Jonathan Zalevsky

NKTR

Jonathan Zalevsky serves as officer: Chief R&D Officer at Nektar Therapeutics (NKTR). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

26 trades

$2.07M

Net Position

Net Seller

$2.07M

Companies Traded

1

NKTR

Active Period

May 2021 – Feb 2026

26 total trades

Most Recent

Sell NKTR

Feb 20, 2026 · $13.1K

Jonathan Zalevsky's Insider Trading at Nektar Therapeutics (NKTR)

Buys

0 · $0.00

Sells

26 · $2.07M

Total Shares Bought

0

Total Shares Sold

341,049

NKTR Price Chart
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DateTypeSharesAvg PriceValueShares After
Feb 20, 2026↗Sell180$73.00$13.1K21,174
Feb 18, 2026↗Sell180$73.00$13.1K0
Jan 22, 2026↗Sell3,867$35.67$137.9K21,354
Nov 25, 2025↗Sell1,157$54.28$62.8K18,971
Sep 8, 2025↗Sell1,721$33.52$57.7K18,390
Sep 4, 2025↗Sell485$30.10$14.6K19,183
Aug 21, 2025↗Sell725$26.59$19.3K19,668
May 21, 2025↗Sell10,712$0.67$7.2K305,892
Feb 21, 2025↗Sell10,300$1.01$10.4K316,604
Dec 20, 2024↗Sell51,115$0.94$48.0K326,904
Nov 20, 2024↗Sell7,785$1.01$7.9K243,019
Aug 20, 2024↗Sell6,866$1.28$8.8K250,804
May 20, 2024↗Sell7,355$1.75$12.9K257,670
Feb 22, 2024↗Sell9,014$0.68$6.1K265,025
Nov 20, 2023↗Sell9,646$0.49$4.7K274,039
Aug 17, 2023↗Sell9,703$0.78$7.6K283,685
May 17, 2023↗Sell9,791$0.72$7.0K293,388
Feb 17, 2023↗Sell10,484$3.00$31.5K303,179
Nov 18, 2022↗Sell13,460$3.57$48.1K313,663
Aug 19, 2022↗Sell73,716$4.65$342.8K327,123
Aug 17, 2022↗Sell10,560$4.76$50.3K400,839
May 17, 2022↗Sell21,673$3.95$85.6K276,399
Feb 18, 2022↗Sell10,912$10.95$119.5K274,122
Nov 17, 2021↗Sell20,869$13.16$274.6K232,084
Aug 18, 2021↗Sell7,662$13.83$106.0K212,803
May 19, 2021↗Sell31,111$18.30$569.3K235,065

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