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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 988 shares held by the reporting person in the Issuer's 401(K) plan and 6,690 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":313497,"source":{"system":"sec-edgar","filing":"0001209191-23-010953","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919123010953/doc4.xml","form_type":"4"}},{"id":2110918,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2022-11-18T23:03:20.000Z","date":"2022-11-16","kind":"sale","acquired":false,"shares":11095,"price":3.57,"value":39609.15,"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 988 shares held by the reporting person in the Issuer's 401(K) plan and 6,690 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":323764,"source":{"system":"sec-edgar","filing":"0001209191-22-057966","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919122057966/doc4.xml","form_type":"4"}},{"id":2182714,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2022-08-17T23:40:13.000Z","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":"0001209191-22-046487","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919122046487/doc4.xml","form_type":"4"}},{"id":2182713,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2022-08-17T23:40:13.000Z","date":"2022-08-16","kind":"sale","acquired":false,"shares":2006,"price":4.76,"value":9548.56,"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 988 shares held by the reporting person in the Issuer's 401(K) plan and 6,690 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":334859,"source":{"system":"sec-edgar","filing":"0001209191-22-046487","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919122046487/doc4.xml","form_type":"4"}},{"id":2182712,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2022-08-17T23:40:13.000Z","date":"2022-08-15","kind":"grant","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 represents a contingent right to receive, upon vesting of the unit, one share of Common Stock of the Issuer. These RSUs were granted in connection with a retention program and the individual's recent promotion. This grant is in lieu of Issuer's usual end-of-year annual performance grants. 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 988 shares held by the reporting person in the Issuer's 401(K) plan and 6,690 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":336865,"source":{"system":"sec-edgar","filing":"0001209191-22-046487","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919122046487/doc4.xml","form_type":"4"}},{"id":2269054,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2022-05-18T01:36:47.000Z","date":"2022-05-16","kind":"sale","acquired":false,"shares":5841,"price":3.95,"value":23071.95,"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 $3.86 to $4.07. 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 988 shares held by the reporting person in the Issuer's 401(K) plan and 6,190 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":170427,"source":{"system":"sec-edgar","filing":"0001209191-22-029903","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919122029903/doc4.xml","form_type":"4"}},{"id":2269053,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2022-05-18T01:36:47.000Z","date":"2022-05-15","kind":"grant","acquired":true,"shares":10950,"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 14, 2018 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 May 13, 2022. Pursuant to the terms of the 2017 Plan, these RSUs vested on the next quarterly vesting date (May 15, 2022) following the date that the performance-based vesting requirement was satisfied."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"This number includes 988 shares held by the reporting person in the Issuer's 401(K) plan and 6,190 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":176268,"source":{"system":"sec-edgar","filing":"0001209191-22-029903","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919122029903/doc4.xml","form_type":"4"}},{"id":2386435,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2022-02-18T23:18:00.000Z","date":"2022-02-16","kind":"sale","acquired":false,"shares":2363,"price":10.95,"value":25874.85,"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 $10.77 to $11.20. 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 988 shares held by the reporting person in the Issuer's 401(K) plan and 6,190 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":165318,"source":{"system":"sec-edgar","filing":"0001209191-22-011439","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919122011439/doc4.xml","form_type":"4"}},{"id":2464496,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Stock Option","published_at":"2021-12-21T01:26:12.000Z","date":"2021-12-16","kind":"grant","acquired":true,"shares":37600,"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 from the date of grant in equal monthly installments based on continued service."}],"balance_after":37600,"derivative":{"exercise_price":13.22,"expiration_date":"2029-12-15","underlying":"Common Stock","underlying_shares":37600},"source":{"system":"sec-edgar","filing":"0001209191-21-070693","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919121070693/doc4.xml","form_type":"4"}},{"id":2464495,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2021-12-21T01:26:12.000Z","date":"2021-12-16","kind":"grant","acquired":true,"shares":21200,"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 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 988 shares held by the reporting person in the Issuer's 401(K) plan and 6,190 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":167681,"source":{"system":"sec-edgar","filing":"0001209191-21-070693","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919121070693/doc4.xml","form_type":"4"}},{"id":2508841,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2021-11-17T23:08:42.000Z","date":"2021-11-16","kind":"sale","acquired":false,"shares":6741,"price":13.16,"value":88711.56,"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 988 shares held by the reporting person in the Issuer's 401(K) plan and 5,690 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":145981,"source":{"system":"sec-edgar","filing":"0001209191-21-065223","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919121065223/doc4.xml","form_type":"4"}},{"id":2508840,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2021-11-17T23:08:42.000Z","date":"2021-11-15","kind":"grant","acquired":true,"shares":14900,"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 988 shares held by the reporting person in the Issuer's 401(K) plan and 5,690 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":152722,"source":{"system":"sec-edgar","filing":"0001209191-21-065223","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919121065223/doc4.xml","form_type":"4"}},{"id":2542853,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Stock Option","published_at":"2021-10-15T01:07:44.000Z","date":"2021-10-12","kind":"grant","acquired":true,"shares":26600,"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":26600,"derivative":{"exercise_price":21.79,"expiration_date":"2027-12-11","underlying":"Common Stock","underlying_shares":26600},"source":{"system":"sec-edgar","filing":"0001209191-21-060511","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919121060511/doc4.xml","form_type":"4"}},{"id":2598723,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2021-08-18T23:00:53.000Z","date":"2021-08-16","kind":"sale","acquired":false,"shares":13339,"price":13.83,"value":184478.37,"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 988 shares held by the reporting person in the Issuer's 401(K) plan and 5,690 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":137822,"source":{"system":"sec-edgar","filing":"0001209191-21-052390","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919121052390/doc4.xml","form_type":"4"}},{"id":2706438,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2021-05-19T23:06:51.000Z","date":"2021-05-17","kind":"sale","acquired":false,"shares":13391,"price":18.3,"value":245055.3,"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 $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 988 shares held by the reporting person in the Issuer's 401(K) plan and 5,690 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":151161,"source":{"system":"sec-edgar","filing":"0001209191-21-034188","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919121034188/doc4.xml","form_type":"4"}},{"id":2852037,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2021-02-19T00:05:31.000Z","date":"2021-02-16","kind":"sale","acquired":false,"shares":11705,"price":22.37,"value":261840.85,"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 988 shares held by the reporting person in the Issuer's 401(K) plan and 5,690 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":164552,"source":{"system":"sec-edgar","filing":"0001209191-21-012122","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919121012122/doc4.xml","form_type":"4"}},{"id":2891100,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Stock Option","published_at":"2021-01-29T23:10:28.000Z","date":"2021-01-28","kind":"exercise","acquired":false,"shares":37500,"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 for certain options expiring on February 5, 2021."}],"balance_after":0,"derivative":{"exercise_price":8.8,"exercise_date":"2017-02-06","expiration_date":"2021-02-05","underlying":"Common Stock","underlying_shares":37500},"source":{"system":"sec-edgar","filing":"0001209191-21-006211","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919121006211/doc4.xml","form_type":"4"}},{"id":2891099,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Stock Option","published_at":"2021-01-29T23:10:28.000Z","date":"2021-01-28","kind":"exercise","acquired":false,"shares":37500,"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 for certain options expiring on February 5, 2021."}],"balance_after":0,"derivative":{"exercise_price":8.8,"exercise_date":"2017-02-06","expiration_date":"2021-02-05","underlying":"Common Stock","underlying_shares":37500},"source":{"system":"sec-edgar","filing":"0001209191-21-006211","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919121006211/doc4.xml","form_type":"4"}},{"id":2891098,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2021-01-29T23:10:28.000Z","date":"2021-01-28","kind":"sale","acquired":false,"shares":75000,"price":18.62,"value":1396500.0,"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 for certain options expiring on February 5, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades at prices ranging from $18.26 to $19.07. 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":"F2","text":"This number includes 988 shares held by the reporting person in the Issuer's 401(K) plan and 5,690 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":176257,"source":{"system":"sec-edgar","filing":"0001209191-21-006211","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919121006211/doc4.xml","form_type":"4"}},{"id":2891097,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2021-01-29T23:10:28.000Z","date":"2021-01-28","kind":"exercise","acquired":true,"shares":37500,"price":8.8,"value":330000.0,"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 for certain options expiring on February 5, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"This number includes 988 shares held by the reporting person in the Issuer's 401(K) plan and 5,690 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":251257,"source":{"system":"sec-edgar","filing":"0001209191-21-006211","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919121006211/doc4.xml","form_type":"4"}},{"id":2891096,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2021-01-29T23:10:28.000Z","date":"2021-01-28","kind":"exercise","acquired":true,"shares":37500,"price":8.8,"value":330000.0,"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 for certain options expiring on February 5, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"This number includes 988 shares held by the reporting person in the Issuer's 401(K) plan and 5,690 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":213757,"source":{"system":"sec-edgar","filing":"0001209191-21-006211","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919121006211/doc4.xml","form_type":"4"}},{"id":2935284,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Stock Option","published_at":"2020-12-22T23:51:29.000Z","date":"2020-12-18","kind":"grant","acquired":true,"shares":28600,"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":28600,"derivative":{"exercise_price":18.75,"expiration_date":"2028-12-17","underlying":"Common Stock","underlying_shares":28600},"source":{"system":"sec-edgar","filing":"0001209191-20-064916","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919120064916/doc4.xml","form_type":"4"}},{"id":2935283,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2020-12-22T23:51:29.000Z","date":"2020-12-18","kind":"grant","acquired":true,"shares":16000,"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 988 shares held by the reporting person in the Issuer's 401(K) plan and 5,690 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":176257,"source":{"system":"sec-edgar","filing":"0001209191-20-064916","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919120064916/doc4.xml","form_type":"4"}},{"id":2976249,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2020-11-19T00:05:41.000Z","date":"2020-11-16","kind":"sale","acquired":false,"shares":11976,"price":16.93,"value":202753.68,"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 988 shares held by the reporting person in the Issuer's 401(K) plan and 5,190 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":159757,"source":{"system":"sec-edgar","filing":"0001209191-20-059243","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919120059243/doc4.xml","form_type":"4"}},{"id":3052951,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2020-08-19T22:39:38.000Z","date":"2020-08-17","kind":"sale","acquired":false,"shares":1367,"price":19.67,"value":26888.89,"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 988 shares held by the reporting person in the Issuer's 401(K) plan and 5,190 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":171733,"source":{"system":"sec-edgar","filing":"0001209191-20-047617","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919120047617/doc4.xml","form_type":"4"}},{"id":3141519,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2020-05-20T22:31:46.000Z","date":"2020-05-18","kind":"sale","acquired":false,"shares":1367,"price":22.51,"value":30771.17,"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 988 shares held by the reporting person in the Issuer's 401(K) plan and 4,809 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":172719,"source":{"system":"sec-edgar","filing":"0001209191-20-031016","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919120031016/doc4.xml","form_type":"4"}},{"id":3260727,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2020-02-20T23:39:03.000Z","date":"2020-02-18","kind":"sale","acquired":false,"shares":1394,"price":22.35,"value":31155.9,"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 $22.00 to $23.08. 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 988 shares held by the reporting person in the Issuer's 401(K) plan and 4,809 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":174086,"source":{"system":"sec-edgar","filing":"0001209191-20-011262","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919120011262/doc4.xml","form_type":"4"}},{"id":3285337,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Stock Option","published_at":"2020-02-08T00:31:59.000Z","date":"2020-02-06","kind":"exercise","acquired":false,"shares":37500,"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 for certain options expiring on February 7, 2020."}],"balance_after":0,"derivative":{"exercise_price":7.21,"exercise_date":"2016-02-08","expiration_date":"2020-02-07","underlying":"Common Stock","underlying_shares":37500},"source":{"system":"sec-edgar","filing":"0001209191-20-007713","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919120007713/doc4.xml","form_type":"4"}},{"id":3285336,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2020-02-08T00:31:59.000Z","date":"2020-02-06","kind":"sale","acquired":false,"shares":37500,"price":22.78,"value":854250.0,"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 for certain options expiring on February 7, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades at prices ranging from $22.55 to $23.06. 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 988 shares held by the reporting person in the Issuer's 401(K) plan and 4,809 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":175480,"source":{"system":"sec-edgar","filing":"0001209191-20-007713","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919120007713/doc4.xml","form_type":"4"}},{"id":3285335,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2020-02-08T00:31:59.000Z","date":"2020-02-06","kind":"exercise","acquired":true,"shares":37500,"price":7.21,"value":270375.0,"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 for certain options expiring on February 7, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"This number includes 988 shares held by the reporting person in the Issuer's 401(K) plan and 4,809 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":212980,"source":{"system":"sec-edgar","filing":"0001209191-20-007713","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919120007713/doc4.xml","form_type":"4"}},{"id":3341477,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Stock Option","published_at":"2019-12-17T02:36:18.000Z","date":"2019-12-12","kind":"grant","acquired":true,"shares":11800,"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":11800,"derivative":{"exercise_price":21.79,"expiration_date":"2027-12-11","underlying":"Common Stock","underlying_shares":11800},"source":{"system":"sec-edgar","filing":"0001209191-19-060789","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919119060789/doc4.xml","form_type":"4"}},{"id":3341476,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Stock Option","published_at":"2019-12-17T02:36:18.000Z","date":"2019-12-12","kind":"grant","acquired":true,"shares":26600,"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":26600,"derivative":{"exercise_price":21.79,"expiration_date":"2027-12-11","underlying":"Common Stock","underlying_shares":26600},"source":{"system":"sec-edgar","filing":"0001209191-19-060789","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919119060789/doc4.xml","form_type":"4"}},{"id":3341475,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2019-12-17T02:36:18.000Z","date":"2019-12-12","kind":"grant","acquired":true,"shares":14900,"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 988 shares held by the reporting person in the Issuer's 401(K) plan and 4,809 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":175480,"source":{"system":"sec-edgar","filing":"0001209191-19-060789","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919119060789/doc4.xml","form_type":"4"}},{"id":3364761,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2019-11-21T00:06:24.000Z","date":"2019-11-18","kind":"sale","acquired":false,"shares":2713,"price":17.97,"value":48752.61,"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 $17.56 to $19.65. 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 988 shares held by the reporting person in the Issuer's 401(K) plan and 4,670 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":160441,"source":{"system":"sec-edgar","filing":"0001209191-19-057491","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919119057491/doc4.xml","form_type":"4"}},{"id":3435069,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2019-08-19T23:09:22.000Z","date":"2019-08-16","kind":"sale","acquired":false,"shares":1809,"price":18.15,"value":32833.35,"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 $17.87 to $18.37. 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 988 shares held by the reporting person in the Issuer's 401(K) plan and 4,670 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":163154,"source":{"system":"sec-edgar","filing":"0001209191-19-046722","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919119046722/doc4.xml","form_type":"4"}},{"id":3522249,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2019-05-18T00:22:43.000Z","date":"2019-05-16","kind":"sale","acquired":false,"shares":1928,"price":31.37,"value":60481.36,"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 $30.86 to $32.68. 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 988 shares held by the reporting person in the Issuer's 401(K) plan and 4,170 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":164463,"source":{"system":"sec-edgar","filing":"0001209191-19-031190","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919119031190/doc4.xml","form_type":"4"}},{"id":3643136,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2019-02-22T01:17:16.000Z","date":"2019-02-19","kind":"sale","acquired":false,"shares":1808,"price":42.39,"value":76641.12,"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 $41.90 to $42.96. 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 988 shares held by the reporting person in the Issuer's 401(K) plan and 4,170 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":166391,"source":{"system":"sec-edgar","filing":"0001209191-19-012337","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919119012337/doc4.xml","form_type":"4"}},{"id":3672879,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Stock Option","published_at":"2019-02-07T00:17:25.000Z","date":"2019-02-04","kind":"exercise","acquired":false,"shares":16119,"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 for certain options expiring on February 7, 2019."}],"balance_after":0,"derivative":{"exercise_price":10.69,"exercise_date":"2015-02-08","expiration_date":"2019-02-07","underlying":"Common Stock","underlying_shares":16119},"source":{"system":"sec-edgar","filing":"0001209191-19-007880","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919119007880/doc4.xml","form_type":"4"}},{"id":3672878,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2019-02-07T00:17:25.000Z","date":"2019-02-04","kind":"sale","acquired":false,"shares":16119,"price":42.16,"value":679577.04,"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 for certain options expiring on February 7, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades at prices ranging from $42.15 to $42.24. 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 988 shares held by the reporting person in the Issuer's 401(K) plan and 4,170 shares held by the reporting person in the Issuer's ESPP plan. 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The acquisition of these shares under both plans is exempt under Rule 16b-3(c)."}],"balance_after":184318,"source":{"system":"sec-edgar","filing":"0001209191-19-007880","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919119007880/doc4.xml","form_type":"4"}},{"id":3727837,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Stock Option","published_at":"2018-12-18T23:14:22.000Z","date":"2018-12-14","kind":"grant","acquired":true,"shares":22150,"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":22150,"derivative":{"exercise_price":36.51,"expiration_date":"2026-12-13","underlying":"Common Stock","underlying_shares":22150},"source":{"system":"sec-edgar","filing":"0001209191-18-063302","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919118063302/doc4.xml","form_type":"4"}},{"id":3727836,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2018-12-18T23:14:22.000Z","date":"2018-12-14","kind":"grant","acquired":true,"shares":10950,"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 988 shares held by the reporting person in the Issuer's 401(K) plan and 4,170 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":168199,"source":{"system":"sec-edgar","filing":"0001209191-18-063302","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919118063302/doc4.xml","form_type":"4"}},{"id":3759847,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2018-11-19T23:15:41.000Z","date":"2018-11-16","kind":"sale","acquired":false,"shares":4016,"price":38.25,"value":153612.0,"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 $37.47 to $38.97. 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 988 shares held by the reporting person in the Issuer's 401(K) plan and 4,170 shares held by the reporting person in the Issuer's ESPP plan. 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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 quarterly in substantially equal installments on November 15, 2020, February 15, 2021, May 15, 2021, and August 15, 2021, based on the reporting person's continued service with the Company."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"This number includes 988 shares held by the reporting person in the Issuer's 401(K) plan and 4,170 shares held by the reporting person in the Issuer's ESPP plan. 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On August 15, 2018, the performance-based condition vesting was satisfied.  The time-based vesting is on a monthly pro-rata basis over a period of four years from the grant date (December 15, 2017)."},{"field":"date","element":"transactionDate","label":"F6","text":"These stock options were granted on December 15, 2017 and the performance-based vesting requirement for these stock options was satisfied on August 15, 2018 upon the Compensation Committee's certification of the successful acceptance of the New Drug Application by the FDA for NKTR-181."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"This stock option vests on a monthly pro-rata basis over a period of four years from the grant date."}],"balance_after":26250,"derivative":{"exercise_price":56.9,"expiration_date":"2025-12-14","underlying":"Common Stock","underlying_shares":26250},"source":{"system":"sec-edgar","filing":"0001209191-18-047243","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919118047243/doc4.xml","form_type":"4"}},{"id":3842485,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2018-08-17T01:47:07.000Z","date":"2018-08-16","kind":"disposition_to_issuer","acquired":false,"shares":4883,"price":58.4,"value":285167.2,"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 $56.37 to $59.72. 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 988 shares held by the reporting person in the Issuer's 401(K) plan and 4,170 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":71265,"source":{"system":"sec-edgar","filing":"0001209191-18-047243","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919118047243/doc4.xml","form_type":"4"}},{"id":3842484,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2018-08-17T01:47:07.000Z","date":"2018-08-15","kind":"grant","acquired":true,"shares":10400,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Represents restricted stock units (\"RSUs\"), convertible on a one-for-one basis into shares of Common Stock of the Company. These RSUs, at the time of their grant on December 15, 2017, were subject to both performance-based and time-based vesting requirements.  On August 15, 2018, the performance-based condition vesting was satisfied. The time-based vesting is on a quarterly pro-rata basis over a period of three (3) years from the date of grant."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"This number includes 988 shares held by the reporting person in the Issuer's 401(K) plan and 4,170 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":76148,"source":{"system":"sec-edgar","filing":"0001209191-18-047243","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919118047243/doc4.xml","form_type":"4"}},{"id":3926605,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2018-05-18T23:07:33.000Z","date":"2018-05-16","kind":"sale","acquired":false,"shares":3576,"price":83.39,"value":298202.64,"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 $81.35 to $84.80. 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 988 shares held by the reporting person in the Issuer's 401(K) plan and 3,703 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":65281,"source":{"system":"sec-edgar","filing":"0001209191-18-031598","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919118031598/doc4.xml","form_type":"4"}},{"id":3961453,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Stock Option","published_at":"2018-04-18T22:03:44.000Z","date":"2018-04-16","kind":"exercise","acquired":false,"shares":13881,"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":16119,"derivative":{"exercise_price":10.69,"exercise_date":"2015-02-08","expiration_date":"2019-02-07","underlying":"Common Stock","underlying_shares":13881},"source":{"system":"sec-edgar","filing":"0001209191-18-025445","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919118025445/doc4.xml","form_type":"4"}},{"id":3961452,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2018-04-18T22:03:44.000Z","date":"2018-04-16","kind":"sale","acquired":false,"shares":13881,"price":101.46,"value":1408366.26,"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 $100.21 to $101.72. 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 988 shares held by the reporting person in the Issuer's 401(K) plan and 3,703 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":68857,"source":{"system":"sec-edgar","filing":"0001209191-18-025445","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919118025445/doc4.xml","form_type":"4"}},{"id":3961451,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2018-04-18T22:03:44.000Z","date":"2018-04-16","kind":"exercise","acquired":true,"shares":13881,"price":10.69,"value":148387.89,"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 988 shares held by the reporting person in the Issuer's 401(K) plan and 3,703 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":82738,"source":{"system":"sec-edgar","filing":"0001209191-18-025445","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919118025445/doc4.xml","form_type":"4"}},{"id":4049279,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2018-02-21T00:10:40.000Z","date":"2018-02-16","kind":"sale","acquired":false,"shares":2545,"price":82.94,"value":211082.3,"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 $81.57 to $84.00. 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 988 shares held by the reporting person in the Issuer's 401(K) plan and 3,703 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":68857,"source":{"system":"sec-edgar","filing":"0001209191-18-011598","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919118011598/doc4.xml","form_type":"4"}},{"id":4127307,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Stock Option","published_at":"2017-12-19T23:28:54.000Z","date":"2017-12-15","kind":"grant","acquired":true,"shares":26250,"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":26250,"derivative":{"exercise_price":56.9,"expiration_date":"2025-12-14","underlying":"Common Stock","underlying_shares":26250},"source":{"system":"sec-edgar","filing":"0001209191-17-066483","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919117066483/doc4.xml","form_type":"4"}},{"id":4127306,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2017-12-19T23:28:54.000Z","date":"2017-12-15","kind":"grant","acquired":true,"shares":10400,"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 988 shares held by the reporting person in the Issuer's 401(K) plan and 3,703 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":71402,"source":{"system":"sec-edgar","filing":"0001209191-17-066483","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919117066483/doc4.xml","form_type":"4"}},{"id":4158984,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Stock Option","published_at":"2017-11-17T23:06:50.000Z","date":"2017-11-15","kind":"grant","acquired":true,"shares":37500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F6","text":"These options, at the time of their grant were subject to both performance-based and time-based vesting requirements.   On November 15, 2017, the performance-based condition vesting was satisfied.  The time-based vesting is on a monthly pro-rata basis over a period of four years from the grant date (December 13, 2016)."},{"field":"date","element":"transactionDate","label":"F7","text":"These stock options were granted on December 13, 2016 and the performance-based vesting requirement for these stock options was satisfied on November 15, 2017 upon the Compensation Committee's certification of the successful acceptance of the New Drug Application by the FDA for Ciprofloxacin Dry Powder Inhalation (Cipro CPI)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"This stock option vests on a monthly pro-rata basis over a period of four years from the grant date."}],"balance_after":37500,"derivative":{"exercise_price":14.41,"expiration_date":"2024-12-12","underlying":"Common Stock","underlying_shares":37500},"source":{"system":"sec-edgar","filing":"0001209191-17-061597","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919117061597/doc4.xml","form_type":"4"}},{"id":4158983,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2017-11-17T23:06:50.000Z","date":"2017-11-16","kind":"disposition_to_issuer","acquired":false,"shares":5289,"price":44.23,"value":233932.47,"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 $41.98 to $45.47. 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 988 shares held by the reporting person in the Issuer's 401(K) plan and 3,250 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":60549,"source":{"system":"sec-edgar","filing":"0001209191-17-061597","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919117061597/doc4.xml","form_type":"4"}},{"id":4158982,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2017-11-17T23:06:50.000Z","date":"2017-11-15","kind":"grant","acquired":true,"shares":15000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Represents restricted stock units (\"RSUs\"), convertible on a one-for-one basis into shares of Common Stock of the Company. These RSUs, at the time of their grant on December 13, 2016, were subject to both performance-based and time-based vesting requirements.  On November 15, 2017, the performance-based condition vesting was satisfied. 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":"These restricted stock units (\"RSUs\") were granted on December 13, 2016 and the performance-based vesting requirement for these RSUs was satisfied on November 15, 2017 upon the Compensation Committee's certification of the successful acceptance of the New Drug Application by the FDA for Ciprofloxacin Dry Powder Inhalation (Cipro DPI)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"This number includes 988 shares held by the reporting person in the Issuer's 401(K) plan and 3,250 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":65838,"source":{"system":"sec-edgar","filing":"0001209191-17-061597","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919117061597/doc4.xml","form_type":"4"}},{"id":4229955,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2017-08-18T23:05:58.000Z","date":"2017-08-16","kind":"sale","acquired":false,"shares":2648,"price":19.32,"value":51159.36,"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 $19.02 to $19.67.  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 997 shares held by the reporting person in the Issuer's 401(K) plan and 3,250 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":50838,"source":{"system":"sec-edgar","filing":"0001209191-17-049669","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919117049669/doc4.xml","form_type":"4"}},{"id":4314317,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2017-05-19T00:50:52.000Z","date":"2017-05-16","kind":"sale","acquired":false,"shares":2651,"price":19.55,"value":51827.05,"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 $19.31 to $19.90.  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 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 988 shares held by the reporting person in the Issuer's 401(K) plan and 2,750 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":"F2","text":"This number includes 988 shares held by the reporting person in the Issuer's 401(K) plan and 2,750 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":55637,"source":{"system":"sec-edgar","filing":"0001209191-17-022409","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919117022409/doc4.xml","form_type":"4"}},{"id":4375462,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2017-03-22T22:04:05.000Z","date":"2017-03-20","kind":"exercise","acquired":true,"shares":37500,"price":7.21,"value":270375.0,"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":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"This number includes 988 shares held by the reporting person in the Issuer's 401(K) plan and 2,750 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":168137,"source":{"system":"sec-edgar","filing":"0001209191-17-022409","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919117022409/doc4.xml","form_type":"4"}},{"id":4375461,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2017-03-22T22:04:05.000Z","date":"2017-03-20","kind":"exercise","acquired":true,"shares":75000,"price":11.34,"value":850500.0,"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":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"This number includes 988 shares held by the reporting person in the Issuer's 401(K) plan and 2,750 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":130637,"source":{"system":"sec-edgar","filing":"0001209191-17-022409","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919117022409/doc4.xml","form_type":"4"}},{"id":4440827,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2017-02-18T01:06:57.000Z","date":"2017-02-16","kind":"sale","acquired":false,"shares":1965,"price":13.14,"value":25820.1,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction was executed in multiple trades at prices ranging from $12.94 to $13.72.  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 988 shares held by the reporting person in the Issuer's 401(K) plan and 2,750 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":55637,"source":{"system":"sec-edgar","filing":"0001209191-17-012409","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919117012409/doc4.xml","form_type":"4"}},{"id":4521091,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Stock Option","published_at":"2016-12-16T01:47:44.000Z","date":"2016-12-13","kind":"grant","acquired":true,"shares":37500,"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":37500,"derivative":{"exercise_price":12.24,"expiration_date":"2024-12-12","underlying":"Common Stock","underlying_shares":37500},"source":{"system":"sec-edgar","filing":"0001209191-16-155522","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919116155522/doc4.xml","form_type":"4"}},{"id":4521090,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2016-12-16T01:47:44.000Z","date":"2016-12-13","kind":"grant","acquired":true,"shares":15000,"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 equal quarterly installments based on continued service."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"This number includes 988 shares held by the reporting person in the Issuer's 401(K) plan and 2,750 shares held by the reporting person from the Issuer's ESPP plan. The acquisition of these shares under both plans is exempt under Rule 16b-3(c)."}],"balance_after":57602,"source":{"system":"sec-edgar","filing":"0001209191-16-155522","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919116155522/doc4.xml","form_type":"4"}},{"id":4549358,"issuer":{"id":4364,"kind":"organization","name":"NEKTAR THERAPEUTICS","symbol":"NKTR"},"owners":[{"id":116774,"kind":"person","name":"Thomsen Jillian B.","position":1,"cik":"0001433457","reported_name":"Thomsen Jillian B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP & Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2016-11-18T23:12:53.000Z","date":"2016-11-16","kind":"sale","acquired":false,"shares":1986,"price":13.96,"value":27724.56,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction was executed in multiple trades at prices ranging from $13.71 to $14.14.  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 988 shares held by the reporting person in the Issuer's 401(k) plan and 2,250 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":42102,"source":{"system":"sec-edgar","filing":"0001209191-16-151306","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/906709/000120919116151306/doc4.xml","form_type":"4"}}]}