Zalevsky Jonathan

Nektar Therapeutics · Chief R&D Officer

Zalevsky Jonathan is listed in public filings as officer: Chief R&D Officer. This Zalevsky Jonathan insider trading page organizes Form 4 disclosures, reported purchases and sales, transaction dates, share amounts, related issuers, and historical insider activity so readers can review the person's public trading record in one place. Companies and tickers connected to this insider trading profile include Nektar Therapeutics (NKTR). Investors use Zalevsky Jonathan's insider trading disclosures to study buying and selling patterns, position changes, company-specific activity, and the source evidence behind each reported transaction.

Latest Actions

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Nektar TherapeuticsNKTR$1.4M21k sharesSellMay 19, 2026$13.0K199 shares$65.51--

Insider Trades History

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Nektar TherapeuticsNKTR$1.5M21.2k sharesSellFeb 18, 2026$13.1K180 shares$73.00--
Nektar TherapeuticsNKTR$762k21.4k sharesSellJan 20, 2026$137.9K3.9k shares$35.67--
Nektar TherapeuticsNKTR$1.1M25k sharesGrant / ExerciseDec 22, 2025$1.1M25k shares$43.48--
Nektar TherapeuticsNKTR--25.2k sharesGrant / ExerciseDec 22, 2025Disclosure amount unavailable6.3k shares----
Nektar TherapeuticsNKTR$1.0M19k sharesSellNov 25, 2025$62.8K1.2k shares$54.28--
Nektar TherapeuticsNKTR$1.3M4.8k sharesGrant / ExerciseNov 21, 2025$1.3M4.8k shares$281.25--
Nektar TherapeuticsNKTR--20.1k sharesGrant / ExerciseNov 21, 2025Disclosure amount unavailable2.7k shares----
Nektar TherapeuticsNKTR$596k18.4k sharesSellSep 4, 2025$25.7K793 shares$32.43--
Nektar TherapeuticsNKTR$603k18k sharesSellSep 4, 2025$14.5K432 shares$33.60--
Nektar TherapeuticsNKTR$623k17.5k sharesSellSep 4, 2025$11.0K307 shares$35.69--
Nektar TherapeuticsNKTR$611k17.8k sharesSellSep 4, 2025$6.5K189 shares$34.41--
Nektar TherapeuticsNKTR$577k19.2k sharesSellSep 2, 2025$14.6K485 shares$30.10--
Nektar TherapeuticsNKTR$523k19.7k sharesSellAug 19, 2025$19.3K725 shares$26.59--
Nektar TherapeuticsNKTR$8.3k16.7k sharesGrant / ExerciseAug 19, 2025$8.3K16.7k shares$0.50--
Nektar TherapeuticsNKTR$205k305.9k sharesSellMay 19, 2025$7.2K10.7k shares$0.67--
Nektar TherapeuticsNKTR$320k316.6k sharesSellFeb 19, 2025$10.4K10.3k shares$1.01--
Nektar TherapeuticsNKTR$307k326.9k sharesSellDec 19, 2024$48.0K51.1k shares$0.94--
Nektar TherapeuticsNKTR$1.3M270k sharesGrant / ExerciseDec 13, 2024$1.3M270k shares$4.91--
Nektar TherapeuticsNKTR$379k375k sharesGrant / ExerciseDec 13, 2024$378.8K375k shares$1.01--
Nektar TherapeuticsNKTR--378k sharesGrant / ExerciseDec 13, 2024Disclosure amount unavailable135k shares----
Nektar TherapeuticsNKTR$245k243k sharesSellNov 19, 2024$7.9K7.8k shares$1.01--
Nektar TherapeuticsNKTR$321k250.8k sharesSellAug 19, 2024$8.8K6.9k shares$1.28--