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The time-based vesting is on a monthly pro-rata basis over a period of four years from the date of grant."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"The Compensation Committee determined on November 20, 2025 that the performance-based vesting requirement for these stock options was satisfied and these stock options vested on November 21, 2025."}],"balance_after":3400,"derivative":{"exercise_price":281.25,"expiration_date":"2028-12-17","underlying":"Common Stock","underlying_shares":3400},"source":{"system":"sec-edgar","filing":"0001193125-25-297852","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/906709/000119312525297852/ownership.xml","form_type":"4"}},{"id":989284,"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":"2025-11-26T01:29:54.000Z","date":"2025-11-25","kind":"sale","planned":false,"acquired":false,"shares":630,"price":54.28,"value":34196.4,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","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":"F5","text":"This transaction was executed in multiple trades at prices ranging from $58.26 to $59.56. 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)."}],"balance_after":21585,"source":{"system":"sec-edgar","filing":"0001193125-25-297852","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/906709/000119312525297852/ownership.xml","form_type":"4"}},{"id":989283,"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":"2025-11-26T01:29:54.000Z","date":"2025-11-21","kind":"grant","planned":false,"acquired":true,"shares":1903,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Common stock was acquired pursuant to a grant of restricted stock units (\"RSU\"). Each RSU awarded represents a contingent right to receive, upon vesting of the unit, one share of Common Stock of the Issuer. These RSUs were granted on December 18, 2020 under the Issuer's Amended and Restated 2017 Performance Incentive Plan (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 quarterly pro-rata basis over a period of three years from the date of grant."},{"field":"date","element":"transactionDate","label":"F2","text":"The Organization and Compensation Committee of the Board of Directors of the Issuer (\"Compensation Committee\") determined on November 20, 2025 that the performance-based vesting requirement for these RSUs was satisfied and these RSUs vested on November 21, 2025."},{"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)."}],"balance_after":22215,"source":{"system":"sec-edgar","filing":"0001193125-25-297852","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000119312525297852/ownership.xml","form_type":"4"}},{"id":1059649,"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":"Stock Option","published_at":"2025-08-22T01:04:44.000Z","date":"2025-08-19","kind":"grant","planned":false,"acquired":true,"shares":21666,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F5","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":"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\"). All amounts of securities listed herein have been adjusted to reflect the effect of the Reverse Stock Split."}],"balance_after":20312,"source":{"system":"sec-edgar","filing":"0000950170-25-110774","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000095017025110774/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. The acquisition of these shares under the plan is exempt under Rule 16b-3(c)."}],"balance_after":314296,"source":{"system":"sec-edgar","filing":"0000950170-25-075977","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000095017025075977/ownership.xml","form_type":"4"}},{"id":1254147,"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":"2025-02-21T23:06:43.000Z","date":"2025-02-19","kind":"sale","planned":false,"acquired":false,"shares":11040,"price":1.01,"value":11150.4,"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 $1.00 to $1.04 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. The acquisition of these shares under the plan is exempt under Rule 16b-3(c)."}],"balance_after":324292,"source":{"system":"sec-edgar","filing":"0000950170-25-025040","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000095017025025040/ownership.xml","form_type":"4"}},{"id":1322262,"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":"2024-12-27T00:04:25.000Z","date":"2024-12-24","kind":"sale","planned":false,"acquired":false,"shares":16560,"price":0.89,"value":14738.4,"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":"F4","text":"This transaction was executed in multiple trades at prices ranging from $.89 to $.90 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. The acquisition of these shares under the plan is exempt under Rule 16b-3(c)."}],"balance_after":335332,"source":{"system":"sec-edgar","filing":"0000950170-24-140591","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/906709/000095017024140591/ownership.xml","form_type":"4"}},{"id":1322261,"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":"2024-12-27T00:04:25.000Z","date":"2024-12-23","kind":"sale","planned":false,"acquired":false,"shares":33402,"price":0.9,"value":30061.8,"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 $.87 to $.91 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. The acquisition of these shares under the plan is exempt under Rule 16b-3(c)."}],"balance_after":351892,"source":{"system":"sec-edgar","filing":"0000950170-24-140591","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000095017024140591/ownership.xml","form_type":"4"}},{"id":1329797,"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":"Stock Option","published_at":"2024-12-18T01:54:48.000Z","date":"2024-12-13","kind":"grant","planned":false,"acquired":true,"shares":325000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Stock options vest over four years from the date of grant, (December 13, 2024) in equal monthly installments based on continued service."}],"balance_after":325000,"derivative":{"exercise_price":1.01,"expiration_date":"2032-12-12","underlying":"Common Stock","underlying_shares":325000},"source":{"system":"sec-edgar","filing":"0000950170-24-137544","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/906709/000095017024137544/ownership.xml","form_type":"4"}},{"id":1329796,"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":"Stock Option","published_at":"2024-12-18T01:54:48.000Z","date":"2024-12-13","kind":"grant","planned":false,"acquired":true,"shares":331875,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F4","text":"These stock options were granted on August 15, 2022 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 Compensation Committee determined on November 18, 2024 that the performance-based vesting requirement for these stock options was satisfied and these stock options vested on December 13, 2024 (subject to remaining time-based vesting requirements)."}],"balance_after":331875,"derivative":{"exercise_price":4.91,"expiration_date":"2030-08-14","underlying":"Common Stock","underlying_shares":331875},"source":{"system":"sec-edgar","filing":"0000950170-24-137544","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/906709/000095017024137544/ownership.xml","form_type":"4"}},{"id":1329795,"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":"2024-12-18T01:54:48.000Z","date":"2024-12-13","kind":"grant","planned":false,"acquired":true,"shares":165938,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Common stock was acquired pursuant to a grant of restricted stock units (\"RSU\"). Each RSU awarded represents a contingent right to receive, upon vesting of the unit, one share of Common Stock of the Issuer. These RSUs were granted on August 15, 2022 under the Issuer's Amended and Restated 2017 Performance Incentive Plan (the \"2017 Plan\") and at the time of their grant were subject to both performance-based and time-based vesting requirements. 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The acquisition of these shares under the plan is exempt under Rule 16b-3(c)."}],"balance_after":385294,"source":{"system":"sec-edgar","filing":"0000950170-24-137544","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000095017024137544/ownership.xml","form_type":"4"}},{"id":1357814,"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":"2024-11-21T01:36:53.000Z","date":"2024-11-19","kind":"sale","planned":false,"acquired":false,"shares":6407,"price":1.01,"value":6471.07,"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 $1.00 to $1.04. 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 6,607 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)."}],"balance_after":218856,"source":{"system":"sec-edgar","filing":"0000950170-24-129462","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000095017024129462/ownership.xml","form_type":"4"}},{"id":1428273,"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":"2024-08-21T01:15:13.000Z","date":"2024-08-19","kind":"sale","planned":false,"acquired":false,"shares":5651,"price":1.28,"value":7233.28,"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 $1.24 to $1.32. 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 6,607 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. 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 6,107 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)."}],"balance_after":230414,"source":{"system":"sec-edgar","filing":"0000950170-24-062644","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000095017024062644/ownership.xml","form_type":"4"}},{"id":1626614,"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":"2024-02-23T01:17:52.000Z","date":"2024-02-20","kind":"sale","planned":false,"acquired":false,"shares":7606,"price":0.68,"value":5172.08,"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 $0.71. 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 6,107 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)."}],"balance_after":236674,"source":{"system":"sec-edgar","filing":"0000950170-24-019044","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000095017024019044/ownership.xml","form_type":"4"}},{"id":1710153,"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":"Stock Option","published_at":"2023-12-15T23:05:59.000Z","date":"2023-12-13","kind":"grant","planned":false,"acquired":true,"shares":325000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This stock option vests over three years from the date of grant, (December 13, 2023) in equal monthly installments based on continued service."}],"balance_after":325000,"derivative":{"exercise_price":0.5,"expiration_date":"2031-12-12","underlying":"Common Stock","underlying_shares":325000},"source":{"system":"sec-edgar","filing":"0001209191-23-058860","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919123058860/doc4.xml","form_type":"4"}},{"id":1735317,"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":"2023-11-21T02:00:19.000Z","date":"2023-11-17","kind":"sale","planned":false,"acquired":false,"shares":7179,"price":0.49,"value":3517.71,"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 $0.47 to $0.52. 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 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 5,607 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. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon 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 5,607 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)."}],"balance_after":250959,"source":{"system":"sec-edgar","filing":"0001209191-23-046461","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919123046461/doc4.xml","form_type":"4"}},{"id":1890120,"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":"2023-05-18T00:28:38.000Z","date":"2023-05-16","kind":"sale","planned":false,"acquired":false,"shares":7543,"price":0.72,"value":5430.96,"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 $0.71 to $0.75. 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 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 5,107 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)."}],"balance_after":257680,"source":{"system":"sec-edgar","filing":"0001209191-23-030447","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919123030447/doc4.xml","form_type":"4"}},{"id":2009116,"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":"2023-02-18T01:59:32.000Z","date":"2023-02-16","kind":"sale","acquired":false,"shares":8275,"price":3,"value":24825.0,"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 $2.94 to $3.07. 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 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 5,107 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)."}],"balance_after":265223,"source":{"system":"sec-edgar","filing":"0001209191-23-010954","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919123010954/doc4.xml","form_type":"4"}},{"id":2110919,"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":"2022-11-18T23:04:15.000Z","date":"2022-11-16","kind":"sale","acquired":false,"shares":8690,"price":3.57,"value":31023.3,"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 $3.42 to $3.88. 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 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 4,107 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)."}],"balance_after":272498,"source":{"system":"sec-edgar","filing":"0001209191-22-057967","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919122057967/doc4.xml","form_type":"4"}},{"id":2182717,"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":"SVP & General Counsel"}}],"security":"Common Stock","published_at":"2022-08-17T23:40:56.000Z","date":"2022-08-15","kind":"grant","acquired":true,"shares":331875,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F5","text":"Stock options were granted in connection with a retention program and the individual's recent promotion. These stock options are in lieu of the Issuer's usual end-of-year annual performance grants."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Stock options vest over three years from the date of grant in substantially equal monthly installments based on continued service."}],"balance_after":331875,"derivative":{"exercise_price":4.91,"expiration_date":"2030-08-14","underlying":"Common Stock","underlying_shares":331875},"source":{"system":"sec-edgar","filing":"0001209191-22-046488","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919122046488/doc4.xml","form_type":"4"}},{"id":2182716,"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":"SVP & General Counsel"}}],"security":"Common Stock","published_at":"2022-08-17T23:40:56.000Z","date":"2022-08-16","kind":"sale","acquired":false,"shares":3189,"price":4.76,"value":15179.64,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents the number of shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of the RSUs held by the reporting person. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary trade by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This transaction was executed in multiple trades at prices ranging from $4.67 to $4.88. 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 request to the SEC staff, the Issuer, or a security holder of the Issuer."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"This number includes 4,107 shares held by the reporting person in the Issuer's ESPP plan. 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The acquisition of these shares under the plan is exempt under Rule 16b-3(c)."}],"balance_after":284377,"source":{"system":"sec-edgar","filing":"0001209191-22-046488","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919122046488/doc4.xml","form_type":"4"}},{"id":2269055,"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":"SVP & General Counsel"}}],"security":"Common Stock","published_at":"2022-05-18T01:38:41.000Z","date":"2022-05-16","kind":"sale","acquired":false,"shares":3136,"price":3.95,"value":12387.2,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of the RSUs held by the reporting person. 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Each RSU represents a contingent right to receive, upon vesting of the unit, one share of the Issuer's common stock.  These RSUs vest over three years from the date of grant in substantially equal quarterly installments based on continued service."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"This number includes 3,607 shares held by the reporting person in the Issuer's ESPP plan. The acquisition of these shares under both plans is exempt under Rule 16b-3(c)."}],"balance_after":124736,"source":{"system":"sec-edgar","filing":"0001209191-21-070695","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919121070695/doc4.xml","form_type":"4"}},{"id":2508843,"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":"SVP & General Counsel"}}],"security":"Common Stock","published_at":"2021-11-17T23:09:59.000Z","date":"2021-11-16","kind":"sale","acquired":false,"shares":6564,"price":13.16,"value":86382.24,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Represents the number of shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of the RSUs held by the reporting person. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary trade by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"This transaction was executed in multiple trades at prices ranging from $12.84 to $13.52. 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 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 3,107 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)."}],"balance_after":86436,"source":{"system":"sec-edgar","filing":"0001209191-21-065225","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919121065225/doc4.xml","form_type":"4"}},{"id":2508842,"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":"SVP & General Counsel"}}],"security":"Common Stock","published_at":"2021-11-17T23:09:59.000Z","date":"2021-11-15","kind":"grant","acquired":true,"shares":20100,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Common stock was acquired pursuant to a grant of restricted stock units (\"RSU\"). Each RSU awarded represents a contingent right to receive, upon vesting of the unit, one share of Common Stock of the Issuer. These RSUs were granted on December 12, 2019 under the Issuer's Amended and Restated 2017 Performance Incentive Plan (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 quarterly pro-rata basis over a period of three (3) years from the date of grant."},{"field":"date","element":"transactionDate","label":"F2","text":"The Organization and Compensation Committee of the Board of Directors of the Issuer determined that the performance-based vesting requirement for these RSUs was satisfied on September 15, 2021. Pursuant to the terms of the 2017 Plan, these RSUs vested on the next quarterly vesting date (November 15, 2021) following the date that the performance-based vesting requirement was satisfied."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"This number includes 3,107 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)."}],"balance_after":93000,"source":{"system":"sec-edgar","filing":"0001209191-21-065225","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919121065225/doc4.xml","form_type":"4"}},{"id":2542854,"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":"SVP & General Counsel"}}],"security":"Stock Option","published_at":"2021-10-15T01:09:23.000Z","date":"2021-10-12","kind":"grant","acquired":true,"shares":35800,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These stock options were granted on December 12, 2019 under the Company's Amended and Restated 2017 Performance Incentive Plan (the \"2017 Plan\") and at the time of their grant were subject to both performance-based and time-based vesting requirements."},{"field":"date","element":"transactionDate","label":"F2","text":"The Organization and Compensation Committee of the Board of Directors of the Company determined that the performance-based vesting requirement for these stock options was satisfied on September 15, 2021. Pursuant to the terms of the 2017 Plan, these stock options vested on the next monthly vesting date (October 12, 2021) following the date that the performance-based vesting requirement was satisfied."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These stock options vest on a monthly pro-rata basis over a period of four years from the grant date (December 12, 2019)."}],"balance_after":35800,"derivative":{"exercise_price":21.79,"expiration_date":"2027-12-11","underlying":"Common Stock","underlying_shares":35800},"source":{"system":"sec-edgar","filing":"0001209191-21-060512","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919121060512/doc4.xml","form_type":"4"}},{"id":2598726,"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":"SVP & General Counsel"}}],"security":"Common Stock","published_at":"2021-08-18T23:02:50.000Z","date":"2021-08-16","kind":"sale","acquired":false,"shares":1910,"price":13.83,"value":26415.3,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of the RSUs held by the reporting person. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\" transaction 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 $13.69 to $14.32. 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 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 3,107 shares held by the reporting person in the Issuer's ESPP plan. The acquisition of these shares under both plans is exempt under Rule 16b-3(c)."}],"balance_after":72900,"source":{"system":"sec-edgar","filing":"0001209191-21-052393","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919121052393/doc4.xml","form_type":"4"}},{"id":2706439,"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":"SVP & General Counsel"}}],"security":"Common Stock","published_at":"2021-05-19T23:07:38.000Z","date":"2021-05-17","kind":"sale","acquired":false,"shares":1917,"price":18.3,"value":35081.1,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of the RSUs held by the reporting person. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\" transaction 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 $17.95 to $18.79. 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 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 3,107 shares held by the reporting person in the Issuer's ESPP plan. The acquisition of these shares under both plans is exempt under Rule 16b-3(c)."}],"balance_after":74810,"source":{"system":"sec-edgar","filing":"0001209191-21-034190","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919121034190/doc4.xml","form_type":"4"}},{"id":2852038,"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":"SVP & General Counsel"}}],"security":"Common Stock","published_at":"2021-02-19T00:06:12.000Z","date":"2021-02-16","kind":"sale","acquired":false,"shares":2173,"price":22.37,"value":48610.01,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of the RSUs held by the reporting person. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\" transaction 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 $22.04 to $22.67. 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 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 3,107 shares held by the reporting person in the Issuer's ESPP plan. The acquisition of these shares under both plans is exempt under Rule 16b-3(c)."}],"balance_after":76727,"source":{"system":"sec-edgar","filing":"0001209191-21-012124","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919121012124/doc4.xml","form_type":"4"}},{"id":2879759,"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":"SVP & General Counsel"}}],"security":"Stock Option","published_at":"2021-02-05T01:44:53.000Z","date":"2021-02-03","kind":"exercise","acquired":false,"shares":5344,"price":0,"value":0.0,"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."}],"balance_after":0,"derivative":{"exercise_price":8.8,"exercise_date":"2017-02-06","expiration_date":"2021-02-05","underlying":"Common Stock","underlying_shares":5344},"source":{"system":"sec-edgar","filing":"0001209191-21-007946","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919121007946/doc4.xml","form_type":"4"}},{"id":2879758,"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":"SVP & General Counsel"}}],"security":"Common Stock","published_at":"2021-02-05T01:44:53.000Z","date":"2021-02-03","kind":"sale","acquired":false,"shares":5344,"price":19.45,"value":103940.8,"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 $19.30 to $19.60. 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 request to the SEC staff, the issuer, or a security holder of the issuer."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"This number includes 3,107 shares held by the reporting person in his account under the Issuer's ESPP Plan. The acquisition of these shares under that plan is exempt under Rule 16b-3(c)."}],"balance_after":78900,"source":{"system":"sec-edgar","filing":"0001209191-21-007946","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919121007946/doc4.xml","form_type":"4"}},{"id":2879757,"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":"SVP & General Counsel"}}],"security":"Common Stock","published_at":"2021-02-05T01:44:53.000Z","date":"2021-02-03","kind":"exercise","acquired":false,"shares":5344,"price":8.8,"value":47027.2,"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":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"This number includes 3,107 shares held by the reporting person in his account under the Issuer's ESPP Plan. The acquisition of these shares under that plan is exempt under Rule 16b-3(c)."}],"balance_after":84244,"source":{"system":"sec-edgar","filing":"0001209191-21-007946","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919121007946/doc4.xml","form_type":"4"}},{"id":2935286,"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":"SVP & General Counsel"}}],"security":"Stock Option","published_at":"2020-12-22T23:52:27.000Z","date":"2020-12-18","kind":"grant","acquired":true,"shares":51000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"This stock option vests over four years in equal monthly installments based on continued service."}],"balance_after":51000,"derivative":{"exercise_price":18.75,"expiration_date":"2028-12-17","underlying":"Common Stock","underlying_shares":51000},"source":{"system":"sec-edgar","filing":"0001209191-20-064917","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919120064917/doc4.xml","form_type":"4"}},{"id":2935285,"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":"SVP & General Counsel"}}],"security":"Common Stock","published_at":"2020-12-22T23:52:27.000Z","date":"2020-12-18","kind":"grant","acquired":true,"shares":28550,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This stock award was acquired pursuant to a grant of restricted stock units (\"RSUs\"). Each RSU represents a contingent right to receive, upon vesting of the unit, one share of the issuer's common stock.  These RSUs vest over three years in substantially equal quarterly installments based on continued service."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"This number includes 3,107 shares shares held by the reporting person in the Issuer's ESPP plan. The acquisition of these shares under both plans is exempt under Rule 16b-3(c)."}],"balance_after":78900,"source":{"system":"sec-edgar","filing":"0001209191-20-064917","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919120064917/doc4.xml","form_type":"4"}},{"id":2976250,"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":"SVP & General Counsel"}}],"security":"Common Stock","published_at":"2020-11-19T00:07:06.000Z","date":"2020-11-16","kind":"sale","acquired":false,"shares":1539,"price":16.93,"value":26055.27,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of the RSUs held by the reporting person. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\" transaction 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 $16.71 to $17.46. 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 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 2,607 shares held by the reporting person in the Issuer's ESPP plan. The acquisition of these shares under both plans is exempt under Rule 16b-3(c)."}],"balance_after":49850,"source":{"system":"sec-edgar","filing":"0001209191-20-059246","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919120059246/doc4.xml","form_type":"4"}},{"id":3052952,"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":"SVP & General Counsel"}}],"security":"Common Stock","published_at":"2020-08-19T22:40:22.000Z","date":"2020-08-17","kind":"sale","acquired":false,"shares":1529,"price":19.67,"value":30075.43,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of the RSUs held by the reporting person. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\" transaction 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 $19.35 to $19.86. 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 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 2,607 shares held by the reporting person in the Issuer's ESPP plan. The acquisition of these shares under both plans is exempt under Rule 16b-3(c)."}],"balance_after":51389,"source":{"system":"sec-edgar","filing":"0001209191-20-047619","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919120047619/doc4.xml","form_type":"4"}},{"id":3141518,"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":"SVP & General Counsel"}}],"security":"Common Stock","published_at":"2020-05-20T22:32:27.000Z","date":"2020-05-18","kind":"sale","acquired":false,"shares":1529,"price":22.51,"value":34417.79,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of the RSUs held by the reporting person. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\" transaction 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 $22.29 to $22.76. 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 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 2107 shares held by the reporting person in the Issuer's ESPP plan. The acquisition of these shares under both plans is exempt under Rule 16b-3(c)."}],"balance_after":52418,"source":{"system":"sec-edgar","filing":"0001209191-20-031017","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919120031017/doc4.xml","form_type":"4"}}]}