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Reporting owner

Zalevsky Jonathan

Reporting owner CIK 0001789857 · Chief R&D Officer

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These transactions appear in filings associated with this reporting owner. Jointly reported quantities and amounts are unallocated; they are not this owner's individual purchases or total holdings. Names and roles reflect the relevant filing, and a reporting owner may be a person or an organization.

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Transaction timeline

Who reported an acquisition, and when the transaction occurred.

Reported acquisitions by transaction dateEach row is a reporting owner. Select a marker to open its transaction details. Jointly reported transactions appear for each associated reporting owner, without dividing quantities or amounts.Zalevsky JonathanZalevsky JonathanZalevsky Jonathan · December 22, 2025 · Stock award · Stock OptionZalevsky Jonathan · December 22, 2025 · Stock award · Common StockZalevsky Jonathan · November 21, 2025 · Stock award · Stock OptionZalevsky Jonathan · November 21, 2025 · Stock award · Common StockNov 21, 2025Dec 22, 2025
PurchaseStock awardGift receivedExercise / conversionConversionOther acquisition

4 dated transactions · 1 of 1 reporting owners shown. Select one owner to focus the chart.

View timeline as a table
Transaction dateCompany / securityReporting ownersAcquisition type
Dec 22, 2025NEKTAR THERAPEUTICSStock OptionZalevsky JonathanStock award
Dec 22, 2025NEKTAR THERAPEUTICSCommon StockZalevsky JonathanStock award
Nov 21, 2025NEKTAR THERAPEUTICSStock OptionZalevsky JonathanStock award
Nov 21, 2025NEKTAR THERAPEUTICSCommon StockZalevsky JonathanStock award

Only transactions on this page are shown. Date windows end on the latest transaction date in this sample. Joint filings may appear on more than one row. Sales are not included. Share-price charts use a separate data source.

Transactions in associated filings

Reported insider acquisitions, ordered by filing date, newest first. Currency is shown only when reported.
Filed / transactedCompanyReporting ownersType / securityQuantityPrice / reference valueDetails
Trade: NEKTAR THERAPEUTICSNKTR · company listings
Zalevsky JonathanChief R&D Officer
Stock awardStock OptionDerivative security · Code A25,0000Value: 0Currency not specifiedView ↗
Trade: NEKTAR THERAPEUTICSNKTR · company listings
Zalevsky JonathanChief R&D Officer
Stock awardCommon StockNon-derivative security · Code A6,2500Value: 0Currency not specifiedView ↗
Trade: NEKTAR THERAPEUTICSNKTR · company listings
Zalevsky JonathanChief R&D Officer
Stock awardStock OptionDerivative security · Code A4,7660Value: 0Currency not specifiedView ↗
Trade: NEKTAR THERAPEUTICSNKTR · company listings
Zalevsky JonathanChief R&D Officer
Stock awardCommon StockNon-derivative security · Code A2,6660Value: 0Currency not specifiedView ↗