Jonathan Zalevsky's Insider Trades & SAST Disclosures

Jonathan Zalevsky's most recent trade in Nektar Therapeutics was a trade of 10,712 Common Stock done at an average price of $0.7 . Disclosure was reported to the exchange on May 19, 2025.

Stock Client Name Client Category Action Reported to Exchange Quantity Post Transaction Holding Traded % Avg. Price Value Security Type
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Sale of securities on an exchange or to another person at price $ 0.67 per share. 19 May 2025 10,712 305,892 (0%) 0% 0.7 7,177 Common Stock
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Sale of securities on an exchange or to another person at price $ 1.01 per share. 19 Feb 2025 10,300 316,604 (0%) 0% 1.0 10,403 Common Stock
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Sale of securities on an exchange or to another person at price $ 0.94 per share. 19 Dec 2024 51,115 326,904 (0%) 0% 0.9 48,048 Common Stock
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Grant, award, or other acquisition of securities at price $ 0.00 per share. 13 Dec 2024 375,000 375,000 - - Stock Option
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Grant, award, or other acquisition of securities at price $ 0.00 per share. 13 Dec 2024 270,000 270,000 - - Stock Option
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Grant, award, or other acquisition of securities at price $ 0.00 per share. 13 Dec 2024 135,000 378,019 (0%) 0% 0 Common Stock
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Sale of securities on an exchange or to another person at price $ 1.01 per share. 19 Nov 2024 7,785 243,019 (0%) 0% 1.0 7,863 Common Stock
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Sale of securities on an exchange or to another person at price $ 1.28 per share. 19 Aug 2024 6,866 250,804 (0%) 0% 1.3 8,788 Common Stock
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Sale of securities on an exchange or to another person at price $ 1.75 per share. 17 May 2024 7,355 257,670 (0%) 0% 1.7 12,871 Common Stock
Nektar Therapeutics
Zalevsky Jonathan Chief R&D Officer Sale of securities on an exchange or to another person at price $ 0.68 per share. 20 Feb 2024 9,014 265,025 (0%) 0% 0.7 6,130 Common Stock
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Grant, award, or other acquisition of securities at price $ 0.00 per share. 13 Dec 2023 250,000 250,000 - - Stock Option
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Sale of securities on an exchange or to another person at price $ 0.78 per share. 16 Aug 2023 9,703 283,685 (0%) 0% 0.8 7,568 Common Stock
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Sale of securities on an exchange or to another person at price $ 0.72 per share. 16 May 2023 9,791 293,388 (0%) 0% 0.7 7,050 Common Stock
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Sale of securities on an exchange or to another person at price $ 3.00 per share. 16 Feb 2023 10,484 303,179 (0%) 0% 3 31,452 Common Stock
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Sale of securities on an exchange or to another person at price $ 4.65 per share. 18 Aug 2022 73,716 327,123 (0%) 0% 4.6 342,779 Common Stock
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Grant, award, or other acquisition of securities at price $ 0.00 per share. 15 Aug 2022 270,000 270,000 - - Common Stock
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Grant, award, or other acquisition of securities at price $ 0.00 per share. 15 Aug 2022 135,000 411,399 (0%) 0% 0 Common Stock
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Sale of securities on an exchange or to another person at price $ 4.76 per share. 15 Aug 2022 10,560 400,839 (0%) 0% 4.8 50,266 Common Stock
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Grant, award, or other acquisition of securities at price $ 0.00 per share. 15 May 2022 23,950 298,072 (0%) 0% 0 Common Stock
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Sale of securities on an exchange or to another person at price $ 3.95 per share. 15 May 2022 21,673 276,399 (0%) 0% 3.9 85,608 Common Stock
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Sale of securities on an exchange or to another person at price $ 10.95 per share. 16 Feb 2022 10,912 274,122 (0%) 0% 10.9 119,486 Common Stock
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Grant, award, or other acquisition of securities at price $ 0.00 per share. 16 Dec 2021 94,000 94,000 - - Stock Option
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Grant, award, or other acquisition of securities at price $ 0.00 per share. 16 Dec 2021 52,950 285,034 (0%) 0% 0 Common Stock
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Grant, award, or other acquisition of securities at price $ 0.00 per share. 15 Nov 2021 40,150 252,953 (0%) 0% 0 Common Stock
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Sale of securities on an exchange or to another person at price $ 13.16 per share. 15 Nov 2021 20,869 232,084 (0%) 0% 13.2 274,636 Common Stock
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Grant, award, or other acquisition of securities at price $ 0.00 per share. 12 Oct 2021 71,550 71,550 - - Stock Option
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Sale of securities on an exchange or to another person at price $ 13.83 per share. 16 Aug 2021 7,662 212,803 (0%) 0% 13.8 105,965 Common Stock
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Sale of securities on an exchange or to another person at price $ 18.30 per share. 17 May 2021 31,111 235,065 (0%) 0% 18.3 569,331 Common Stock
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Sale of securities on an exchange or to another person at price $ 22.37 per share. 16 Feb 2021 24,141 266,176 (0%) 0% 22.4 540,034 Common Stock
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Grant, award, or other acquisition of securities at price $ 0.00 per share. 18 Dec 2020 71,500 71,500 - - Stock Option
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Grant, award, or other acquisition of securities at price $ 0.00 per share. 18 Dec 2020 40,000 290,317 (0%) 0% 0 Common Stock
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Sale of securities on an exchange or to another person at price $ 16.40 per share. 23 Nov 2020 16,380 250,317 (0%) 0% 16.4 268,632 Common Stock
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Sale of securities on an exchange or to another person at price $ 16.93 per share. 16 Nov 2020 29,618 266,697 (0%) 0% 16.9 501,433 Common Stock
Nektar Therapeutics
Jonathan Zalevsky Chief R&D Officer Sale of securities on an exchange or to another person at price $ 19.67 per share. 17 Aug 2020 26,200 296,315 (0%) 0% 19.7 515,354 Common Stock
*All Values are in $ Million
Client Category: Promoter/ KMP/ Director / Immediate Relatives / Employee / etc  
Security Type: Share/ Warrants / Convertible Debentures
Data as reported to USA Exchanges
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