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The price reported above reflects the weighted average sale price. 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The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer."}],"balance_after":49342,"source":{"system":"sec-edgar","filing":"0000950170-25-114365","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/906709/000095017025114365/ownership.xml","form_type":"4"}},{"id":1043346,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":21390,"kind":"person","name":"ROBIN HOWARD W","position":1,"cik":"0001206869","reported_name":"ROBIN HOWARD W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President & CEO"}}],"security":"Common Stock","published_at":"2025-09-12T01:01:44.000Z","date":"2025-09-09","kind":"sale","planned":true,"acquired":false,"shares":2156,"price":47.49,"value":102388.44,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This transaction was executed in multiple trades at prices ranging from $47.02 to $47.85. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer."}],"balance_after":50552,"source":{"system":"sec-edgar","filing":"0000950170-25-114365","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/906709/000095017025114365/ownership.xml","form_type":"4"}},{"id":1043345,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":21390,"kind":"person","name":"ROBIN HOWARD W","position":1,"cik":"0001206869","reported_name":"ROBIN HOWARD W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President & CEO"}}],"security":"Common Stock","published_at":"2025-09-12T01:01:44.000Z","date":"2025-09-09","kind":"sale","planned":true,"acquired":false,"shares":1200,"price":46.41,"value":55692.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades at prices ranging from $46.05 to $46.87. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer."}],"balance_after":52708,"source":{"system":"sec-edgar","filing":"0000950170-25-114365","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/906709/000095017025114365/ownership.xml","form_type":"4"}},{"id":1043344,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":21390,"kind":"person","name":"ROBIN HOWARD W","position":1,"cik":"0001206869","reported_name":"ROBIN HOWARD W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President & CEO"}}],"security":"Common Stock","published_at":"2025-09-12T01:01:44.000Z","date":"2025-09-09","kind":"sale","planned":true,"acquired":false,"shares":2100,"price":45.16,"value":94836.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $45.00 to $45.41 The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer."}],"balance_after":53908,"source":{"system":"sec-edgar","filing":"0000950170-25-114365","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000095017025114365/ownership.xml","form_type":"4"}},{"id":1046364,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":21391,"kind":"person","name":"Zalevsky Jonathan","position":1,"cik":"0001789857","reported_name":"Zalevsky Jonathan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief R&D Officer"}}],"security":"Common Stock","published_at":"2025-09-09T00:32:09.000Z","date":"2025-09-04","kind":"sale","planned":true,"acquired":false,"shares":307,"price":35.69,"value":10956.83,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"This transaction was executed in multiple trades at prices ranging from $35.48 to $36.26. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer."}],"balance_after":17462,"source":{"system":"sec-edgar","filing":"0000950170-25-113692","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/906709/000095017025113692/ownership.xml","form_type":"4"}},{"id":1046363,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":21391,"kind":"person","name":"Zalevsky Jonathan","position":1,"cik":"0001789857","reported_name":"Zalevsky Jonathan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief R&D Officer"}}],"security":"Common Stock","published_at":"2025-09-09T00:32:09.000Z","date":"2025-09-04","kind":"sale","planned":true,"acquired":false,"shares":189,"price":34.41,"value":6503.49,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This transaction was executed in multiple trades at prices ranging from $34.09 to $34.95. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer."}],"balance_after":17769,"source":{"system":"sec-edgar","filing":"0000950170-25-113692","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/906709/000095017025113692/ownership.xml","form_type":"4"}},{"id":1046362,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":21391,"kind":"person","name":"Zalevsky Jonathan","position":1,"cik":"0001789857","reported_name":"Zalevsky Jonathan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief R&D Officer"}}],"security":"Common Stock","published_at":"2025-09-09T00:32:09.000Z","date":"2025-09-04","kind":"sale","planned":true,"acquired":false,"shares":432,"price":33.6,"value":14515.2,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades at prices ranging from $33.08 to $34.07. The price reported above reflects the weighted average sale price. 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The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer."}],"balance_after":57144,"source":{"system":"sec-edgar","filing":"0000950170-25-113691","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/906709/000095017025113691/ownership.xml","form_type":"4"}},{"id":1046358,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":21390,"kind":"person","name":"ROBIN HOWARD W","position":1,"cik":"0001206869","reported_name":"ROBIN HOWARD W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President & CEO"}}],"security":"Common Stock","published_at":"2025-09-09T00:31:33.000Z","date":"2025-09-05","kind":"sale","planned":true,"acquired":false,"shares":3304,"price":37.87,"value":125122.48,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"This transaction was executed in multiple trades at prices ranging from $37.50 to $38.26. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer."}],"balance_after":59370,"source":{"system":"sec-edgar","filing":"0000950170-25-113691","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/906709/000095017025113691/ownership.xml","form_type":"4"}},{"id":1046357,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":21390,"kind":"person","name":"ROBIN HOWARD W","position":1,"cik":"0001206869","reported_name":"ROBIN HOWARD W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President & CEO"}}],"security":"Common Stock","published_at":"2025-09-09T00:31:33.000Z","date":"2025-09-04","kind":"sale","planned":true,"acquired":false,"shares":1134,"price":35.8,"value":40597.2,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"This transaction was executed in multiple trades at prices ranging from $35.35 to $36.11. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer."}],"balance_after":62674,"source":{"system":"sec-edgar","filing":"0000950170-25-113691","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/906709/000095017025113691/ownership.xml","form_type":"4"}},{"id":1046356,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":21390,"kind":"person","name":"ROBIN HOWARD W","position":1,"cik":"0001206869","reported_name":"ROBIN HOWARD W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President & CEO"}}],"security":"Common Stock","published_at":"2025-09-09T00:31:33.000Z","date":"2025-09-04","kind":"sale","planned":true,"acquired":false,"shares":613,"price":34.4,"value":21087.2,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This transaction was executed in multiple trades at prices ranging from $34.05 to $34.99. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer."}],"balance_after":63808,"source":{"system":"sec-edgar","filing":"0000950170-25-113691","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/906709/000095017025113691/ownership.xml","form_type":"4"}},{"id":1046355,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":21390,"kind":"person","name":"ROBIN HOWARD W","position":1,"cik":"0001206869","reported_name":"ROBIN HOWARD W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President & CEO"}}],"security":"Common Stock","published_at":"2025-09-09T00:31:33.000Z","date":"2025-09-04","kind":"sale","planned":true,"acquired":false,"shares":1496,"price":33.54,"value":50175.84,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades at prices ranging from $33.02 to $33.99. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer."}],"balance_after":64421,"source":{"system":"sec-edgar","filing":"0000950170-25-113691","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/906709/000095017025113691/ownership.xml","form_type":"4"}},{"id":1046354,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":21390,"kind":"person","name":"ROBIN HOWARD W","position":1,"cik":"0001206869","reported_name":"ROBIN HOWARD W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President & CEO"}}],"security":"Common Stock","published_at":"2025-09-09T00:31:33.000Z","date":"2025-09-04","kind":"sale","planned":true,"acquired":false,"shares":1923,"price":32.37,"value":62247.51,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $32.01 to $32.99 The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer."}],"balance_after":65917,"source":{"system":"sec-edgar","filing":"0000950170-25-113691","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000095017025113691/ownership.xml","form_type":"4"}},{"id":1048695,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":21391,"kind":"person","name":"Zalevsky Jonathan","position":1,"cik":"0001789857","reported_name":"Zalevsky Jonathan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief R&D Officer"}}],"security":"Common Stock","published_at":"2025-09-05T01:02:14.000Z","date":"2025-09-02","kind":"sale","planned":true,"acquired":false,"shares":485,"price":30.1,"value":14598.5,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $30.00 to $30.28 The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer."}],"balance_after":19183,"source":{"system":"sec-edgar","filing":"0000950170-25-113130","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000095017025113130/ownership.xml","form_type":"4"}},{"id":1048694,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":21390,"kind":"person","name":"ROBIN HOWARD W","position":1,"cik":"0001206869","reported_name":"ROBIN HOWARD W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President & CEO"}}],"security":"Common Stock","published_at":"2025-09-05T01:01:15.000Z","date":"2025-09-02","kind":"sale","planned":true,"acquired":false,"shares":1500,"price":30.16,"value":45240.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $30.00 to $30.30 The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer."}],"balance_after":67840,"source":{"system":"sec-edgar","filing":"0000950170-25-113129","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000095017025113129/ownership.xml","form_type":"4"}},{"id":1059651,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":21391,"kind":"person","name":"Zalevsky Jonathan","position":1,"cik":"0001789857","reported_name":"Zalevsky Jonathan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief R&D Officer"}}],"security":"Stock Option","published_at":"2025-08-22T01:05:34.000Z","date":"2025-08-19","kind":"grant","planned":false,"acquired":true,"shares":16666,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F4","text":"These stock options were granted on December 13, 2023 under the 2017 Plan and at the time of their grant were subject to both performance-based and time-based vesting requirements. The time-based vesting is on a monthly pro-rata basis over a period of three years from the date of grant."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The Organization and Compensation Committee of the Board of Directors of the Issuer determined on July 17, 2025 that the performance-based vesting requirement for these stock options was satisfied and these stock options vested on August 19, 2025 (subject to remaining time-based vesting requirements)."}],"balance_after":16666,"derivative":{"exercise_price":0.5,"expiration_date":"2031-12-12","underlying":"Common Stock","underlying_shares":16666},"source":{"system":"sec-edgar","filing":"0000950170-25-110775","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/906709/000095017025110775/ownership.xml","form_type":"4"}},{"id":1059650,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":21391,"kind":"person","name":"Zalevsky Jonathan","position":1,"cik":"0001789857","reported_name":"Zalevsky Jonathan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief R&D Officer"}}],"security":"Common Stock","published_at":"2025-08-22T01:05:34.000Z","date":"2025-08-19","kind":"sale","planned":false,"acquired":false,"shares":725,"price":26.59,"value":19277.75,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares sold by the reporting person to cover required tax withholding obligations in connection with the vesting of the RSUs held by the reporting person and does not represent a discretionary trade by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $26.19 to $27.15 The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"On June 8, 2025, the Issuer effected a one-for-fifteen reverse stock split of its common stock (the \"Reverse Stock Split\"). 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The time-based vesting is on a monthly pro-rata basis over a period of three years from the date of grant."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The Organization and Compensation Committee of the Board of Directors of the Issuer determined on July 17, 2025 that the performance-based vesting requirement for these stock options was satisfied and these stock options vested on August 19, 2025 (subject to remaining time-based vesting requirements)."}],"balance_after":21666,"derivative":{"exercise_price":0.5,"expiration_date":"2031-12-12","underlying":"Common Stock","underlying_shares":21666},"source":{"system":"sec-edgar","filing":"0000950170-25-110774","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/906709/000095017025110774/ownership.xml","form_type":"4"}},{"id":1059648,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":67053,"kind":"person","name":"Wilson Mark Andrew","position":1,"cik":"0001808356","reported_name":"Wilson Mark Andrew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Common Stock","published_at":"2025-08-22T01:04:44.000Z","date":"2025-08-19","kind":"sale","planned":false,"acquired":false,"shares":676,"price":26.59,"value":17974.84,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares sold by the reporting person to cover required tax withholding obligations in connection with the vesting of the RSUs held by the reporting person and does not represent a discretionary trade by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $26.19 to $27.15 The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"This number includes 508 shares held by the reporting person in the Issuer's ESPP plan. The acquisition of these shares under the plan is exempt under Rule 16b-3(c)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"On June 8, 2025, the Issuer effected a one-for-fifteen reverse stock split of its common stock (the \"Reverse Stock Split\"). 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The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"On June 8, 2025, the Issuer effected a one-for-fifteen reverse stock split of its common stock (the \"Reverse Stock Split\"). 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The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer."}],"balance_after":305892,"source":{"system":"sec-edgar","filing":"0000950170-25-075979","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000095017025075979/ownership.xml","form_type":"4"}},{"id":1139530,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":67053,"kind":"person","name":"Wilson Mark Andrew","position":1,"cik":"0001808356","reported_name":"Wilson Mark Andrew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Common Stock","published_at":"2025-05-22T00:07:50.000Z","date":"2025-05-19","kind":"sale","planned":false,"acquired":false,"shares":9996,"price":0.67,"value":6697.32,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares sold by the reporting person to cover required tax withholding obligations in connection with the vesting of the RSUs held by the reporting person and does not represent a discretionary trade by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $0.66 to $0.69 The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"This number includes 7,107 shares held by the reporting person in the Issuer's ESPP plan. 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The price reported above reflects the weighted average sale price. 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The price reported above reflects the weighted average sale price. 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