{"cik":906709,"company":{"entity_status":"ACTIVE","filings":[{"accession":"0001213900-26-105453","document":"ea0307306-8k_nektar.htm","filed":"2026-10-01","form":"8-K","items":"7.01,9.01","report_date":"2026-10-01"},{"accession":"0001213900-26-103215","document":"ea0306370-8k_nektar.htm","filed":"2026-09-25","form":"8-K","items":"8.01","report_date":"2026-09-24"},{"accession":"0001193125-26-403105","document":"xslF345X06/ownership.xml","filed":"2026-09-25","form":"4","items":"","report_date":"2026-09-23"},{"accession":"0001193125-26-403103","document":"xslF345X06/ownership.xml","filed":"2026-09-25","form":"4","items":"","report_date":"2026-09-23"},{"accession":"0001193125-26-403101","document":"xslF345X06/ownership.xml","filed":"2026-09-25","form":"4","items":"","report_date":"2026-09-23"},{"accession":"0001193125-26-403099","document":"xslF345X06/ownership.xml","filed":"2026-09-25","form":"4","items":"","report_date":"2026-09-23"},{"accession":"0001193125-26-403097","document":"xslF345X06/ownership.xml","filed":"2026-09-25","form":"4","items":"","report_date":"2026-09-23"},{"accession":"0001213900-26-098042","document":"ea0304798-8k_nektar.htm","filed":"2026-09-08","form":"8-K","items":"7.01,9.01","report_date":"2026-09-08"},{"accession":"0001193125-26-359588","document":"xslF345X06/ownership.xml","filed":"2026-08-20","form":"4","items":"","report_date":"2026-08-18"},{"accession":"0001193125-26-359586","document":"xslF345X06/ownership.xml","filed":"2026-08-20","form":"4","items":"","report_date":"2026-08-18"},{"accession":"0001193125-26-349805","document":"nktr-20260630.htm","filed":"2026-08-14","form":"10-Q","items":"","report_date":"2026-06-30"},{"accession":"0001213900-26-089137","document":"ea0301929-8k_nektar.htm","filed":"2026-08-13","form":"8-K","items":"2.02,9.01","report_date":"2026-08-13"},{"accession":"0001193125-26-316458","document":"xslF345X06/ownership.xml","filed":"2026-07-24","form":"4","items":"","report_date":"2026-07-24"},{"accession":"0001213900-26-065845","document":"ea0293744-8k_nektar.htm","filed":"2026-06-05","form":"8-K","items":"5.07","report_date":"2026-06-05"},{"accession":"0001193125-26-214976","document":"d159808d8k.htm","filed":"2026-05-08","form":"8-K","items":"1.01,5.02,9.01","report_date":"2026-05-08"},{"accession":"0001193125-26-212596","document":"nktr-20260331.htm","filed":"2026-05-08","form":"10-Q","items":"","report_date":"2026-03-31"},{"accession":"0001213900-26-053369","document":"ea0289611-8k_nektar.htm","filed":"2026-05-07","form":"8-K","items":"2.02,9.01","report_date":"2026-05-07"},{"accession":"0001140361-26-016708","document":"nktr-20260604.htm","filed":"2026-04-24","form":"DEF 14A","items":"","report_date":"2026-06-04"},{"accession":"0001193125-26-171731","document":"d80358d8k.htm","filed":"2026-04-23","form":"8-K","items":"1.01,8.01,9.01","report_date":"2026-04-21"},{"accession":"0001193125-26-164186","document":"d136533d8k.htm","filed":"2026-04-20","form":"8-K","items":"7.01","report_date":"2026-04-20"},{"accession":"0001193125-26-162763","document":"d25375d8k.htm","filed":"2026-04-20","form":"8-K","items":"7.01,8.01,9.01","report_date":"2026-04-20"},{"accession":"0001193125-26-104547","document":"nktr-20251231.htm","filed":"2026-03-13","form":"10-K","items":"","report_date":"2025-12-31"},{"accession":"0001213900-26-027026","document":"ea0281334-8k_nektar.htm","filed":"2026-03-12","form":"8-K","items":"2.02,9.01","report_date":"2026-03-12"},{"accession":"0001193125-26-049378","document":"d66289d8k.htm","filed":"2026-02-13","form":"8-K","items":"1.01,8.01,9.01","report_date":"2026-02-11"},{"accession":"0001193125-26-044751","document":"d40599d8k.htm","filed":"2026-02-10","form":"8-K","items":"7.01","report_date":"2026-02-10"},{"accession":"0001193125-26-043755","document":"d103279d8k.htm","filed":"2026-02-10","form":"8-K","items":"7.01,8.01,9.01","report_date":"2026-02-10"},{"accession":"0001213900-26-008210","document":"ea0274309-8k_nektar.htm","filed":"2026-01-27","form":"8-K","items":"7.01,9.01","report_date":"2026-01-27"},{"accession":"0001193125-25-320009","document":"d24251d8k.htm","filed":"2025-12-16","form":"8-K","items":"7.01,8.01,9.01","report_date":"2025-12-16"},{"accession":"0001213900-25-113606","document":"ea0266707-8k_nektar.htm","filed":"2025-11-21","form":"8-K","items":"5.02,9.01","report_date":"2025-11-21"},{"accession":"0001213900-25-107821","document":"ea0264736-8k_nektar.htm","filed":"2025-11-10","form":"8-K","items":"7.01,8.01,9.01","report_date":"2025-11-08"},{"accession":"0001193125-25-270230","document":"nktr-20250930.htm","filed":"2025-11-07","form":"10-Q","items":"","report_date":"2025-09-30"},{"accession":"0001213900-25-107180","document":"ea0264261-8k_nektar.htm","filed":"2025-11-06","form":"8-K","items":"2.02,9.01","report_date":"2025-11-06"},{"accession":"0001213900-25-088792","document":"ea0257842-8k_nektar.htm","filed":"2025-09-18","form":"8-K","items":"7.01,8.01,9.01","report_date":"2025-09-18"},{"accession":"0000950170-25-105275","document":"nktr-20250630.htm","filed":"2025-08-08","form":"10-Q","items":"","report_date":"2025-06-30"},{"accession":"0001213900-25-073100","document":"ea0252183-8k_nektar.htm","filed":"2025-08-07","form":"8-K","items":"2.02,9.01","report_date":"2025-08-07"},{"accession":"0001193125-25-154062","document":"d943939d8k.htm","filed":"2025-07-01","form":"8-K","items":"1.01,8.01,9.01","report_date":"2025-06-30"},{"accession":"0001213900-25-059115","document":"ea0247333-8k_nektar.htm","filed":"2025-06-27","form":"8-K","items":"8.01","report_date":"2025-06-24"},{"accession":"0001213900-25-056909","document":"ea0246672-8k_nektar.htm","filed":"2025-06-24","form":"8-K","items":"7.01,8.01,9.01","report_date":"2025-06-24"},{"accession":"0001213900-25-052141","document":"ea0244929-8k_nektar.htm","filed":"2025-06-06","form":"8-K","items":"5.03,9.01","report_date":"2025-06-06"},{"accession":"0001213900-25-051191","document":"ea0244011-8k_nektar.htm","filed":"2025-06-04","form":"8-K","items":"8.01","report_date":"2025-06-04"}],"former_names":[{"from":"1998-10-15T04:00:00.000Z","name":"INHALE THERAPEUTIC SYSTEMS INC","to":"2003-01-10T05:00:00.000Z"},{"from":"1996-07-11T04:00:00.000Z","name":"INHALE THERAPEUTIC SYSTEMS","to":"1998-05-14T04:00:00.000Z"}],"gleif_parents":[],"headquarters":[{"latitude":37.775,"longitude":-122.41944444444444,"name":"San Francisco","precision":"headquarters locality","source":"wikidata","url":"https://www.wikidata.org/wiki/Q62"}],"insiders":[{"accession":"0001193125-26-403105","acquired_disposed":"A","code":"A","date":"2026-09-23","derivative":false,"filed":"2026-09-25","following_shares":"16417.0","form":"4","owners":["WHITFIELD ROY A"],"plan_10b5_1":false,"price":"0.0","security":"Common Stock","shares":"2000.0"},{"accession":"0001193125-26-403105","acquired_disposed":"A","code":"A","date":"2026-09-23","derivative":true,"filed":"2026-09-25","following_shares":"4000.0","form":"4","owners":["WHITFIELD ROY A"],"plan_10b5_1":false,"price":"0.0","security":"Stock Option","shares":"4000.0"},{"accession":"0001193125-26-403103","acquired_disposed":"A","code":"A","date":"2026-09-23","derivative":false,"filed":"2026-09-25","following_shares":"22239.0","form":"4","owners":["GREER R SCOTT"],"plan_10b5_1":false,"price":"0.0","security":"Common Stock","shares":"2000.0"},{"accession":"0001193125-26-403103","acquired_disposed":"A","code":"A","date":"2026-09-23","derivative":true,"filed":"2026-09-25","following_shares":"4000.0","form":"4","owners":["GREER R SCOTT"],"plan_10b5_1":false,"price":"0.0","security":"Stock Option","shares":"4000.0"},{"accession":"0001193125-26-403101","acquired_disposed":"A","code":"A","date":"2026-09-23","derivative":false,"filed":"2026-09-25","following_shares":"19019.0","form":"4","owners":["CHESS ROBERT"],"plan_10b5_1":false,"price":"0.0","security":"Common Stock","shares":"2000.0"},{"accession":"0001193125-26-403101","acquired_disposed":"A","code":"A","date":"2026-09-23","derivative":true,"filed":"2026-09-25","following_shares":"4000.0","form":"4","owners":["CHESS ROBERT"],"plan_10b5_1":false,"price":"0.0","security":"Stock Option","shares":"4000.0"},{"accession":"0001193125-26-403099","acquired_disposed":"A","code":"A","date":"2026-09-23","derivative":false,"filed":"2026-09-25","following_shares":"3904.0","form":"4","owners":["Brainard Diana"],"plan_10b5_1":false,"price":"0.0","security":"Common Stock","shares":"2000.0"},{"accession":"0001193125-26-403099","acquired_disposed":"A","code":"A","date":"2026-09-23","derivative":true,"filed":"2026-09-25","following_shares":"4000.0","form":"4","owners":["Brainard Diana"],"plan_10b5_1":false,"price":"0.0","security":"Stock Option","shares":"4000.0"},{"accession":"0001193125-26-403097","acquired_disposed":"A","code":"A","date":"2026-09-23","derivative":false,"filed":"2026-09-25","following_shares":"4277.0","form":"4","owners":["Ajer Jeffrey Robert"],"plan_10b5_1":false,"price":"0.0","security":"Common Stock","shares":"2000.0"},{"accession":"0001193125-26-403097","acquired_disposed":"A","code":"A","date":"2026-09-23","derivative":true,"filed":"2026-09-25","following_shares":"4000.0","form":"4","owners":["Ajer Jeffrey Robert"],"plan_10b5_1":false,"price":"0.0","security":"Stock Option","shares":"4000.0"},{"accession":"0001193125-26-359588","acquired_disposed":"D","code":"S","date":"2026-08-18","derivative":false,"filed":"2026-08-20","following_shares":"9570.0","form":"4","owners":["Zalevsky Jonathan"],"plan_10b5_1":false,"price":"71.98","security":"Common Stock","shares":"186.0"},{"accession":"0001193125-26-359586","acquired_disposed":"D","code":"S","date":"2026-08-18","derivative":false,"filed":"2026-08-20","following_shares":"54627.0","form":"4","owners":["ROBIN HOWARD W"],"plan_10b5_1":false,"price":"71.98","security":"Common Stock","shares":"418.0"},{"accession":"0001193125-26-316458","acquired_disposed":"A","code":"A","date":"2026-07-24","derivative":true,"filed":"2026-07-24","following_shares":"16500.0","form":"4","owners":["Zalevsky Jonathan"],"plan_10b5_1":false,"price":"0.0","security":"Stock Option","shares":"16500.0"},{"accession":"0001193125-26-316457","acquired_disposed":"A","code":"A","date":"2026-07-24","derivative":true,"filed":"2026-07-24","following_shares":"57200.0","form":"4","owners":["ROBIN HOWARD W"],"plan_10b5_1":false,"price":"0.0","security":"Stock Option","shares":"57200.0"},{"accession":"0001193125-26-295112","acquired_disposed":"D","code":"S","date":"2026-06-30","derivative":false,"filed":"2026-07-02","following_shares":"9756.0","form":"4","owners":["Zalevsky Jonathan"],"plan_10b5_1":false,"price":"70.0","security":"Common Stock","shares":"5681.0"}],"legal_name":"NEKTAR THERAPEUTICS","lei":"5299005I24806IOIYE03","lei_status":"LAPSED","lei_updated_at":"2021-07-14T05:31:46Z","names":[],"parent_exceptions":["direct-parent: no parent LEI supplied","ultimate-parent: no parent LEI supplied"],"parents":[],"wikidata_id":"Q17114308"},"research_built_at":"2026-10-23T06:11:20.354311+00:00","reviewed_events":[],"reviewed_events_coverage":"selective; not a complete event history; accounting series not reconciled","sources":[{"coverage":"8022 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer","id":"sec","license":"SEC public-information reuse","license_url":"https://www.sec.gov/about/privacy-information","name":"SEC submissions","retrieved_at":"2026-10-23T06:12:00.336203+00:00","status":"ok","url":"https://www.sec.gov/search-filings/edgar-application-programming-interfaces"},{"coverage":"1658 unambiguous CIK-linked entities; coverage is incomplete","id":"wikidata","license":"CC0-1.0","license_url":"https://www.wikidata.org/wiki/Wikidata:Licensing","name":"Wikidata structured data","retrieved_at":"2026-10-23T06:12:25.714432+00:00","status":"ok","url":"https://www.wikidata.org/"},{"coverage":"1197 checked identities; 0 unavailable records","id":"gleif","license":"CC0-1.0","license_url":"https://www.gleif.org/en/meta/lei-data-terms-of-use","name":"GLEIF legal entity reference data","retrieved_at":"2026-10-23T06:14:03.968440+00:00","status":"ok","url":"https://www.gleif.org/en/lei-data/gleif-api"},{"coverage":"4 selected series; gaps remain missing","id":"fed","license":"Public domain (selected government series)","license_url":"https://www.federalreserve.gov/disclaimer.htm","name":"Federal Reserve Board H.15","retrieved_at":"2026-10-23T06:27:13.562713+00:00","status":"ok","url":"https://www.federalreserve.gov/releases/h15/"},{"coverage":"9 selected series; gaps remain missing","id":"bls","license":"Public domain","license_url":"https://www.bls.gov/opub/copyright-information.htm","name":"Bureau of Labor Statistics","retrieved_at":"2026-10-23T06:27:14.878114+00:00","status":"ok","url":"https://www.bls.gov/developers/"},{"coverage":"2026 Q3: filings in this completed quarter; not a live transaction feed","id":"insiders","license":"SEC public-information reuse","license_url":"https://www.sec.gov/about/privacy-information","name":"SEC insider transactions","retrieved_at":"2026-10-23T06:12:21.860189+00:00","status":"ok","url":"https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets"}]}