{"cik":879407,"company":{"entity_status":"ACTIVE","filings":[{"accession":"0001250379-26-000002","document":"xslF345X06/wk-form4_1787260939.xml","filed":"2026-08-20","form":"4","items":"","report_date":"2026-08-18"},{"accession":"0001242615-26-000002","document":"xslF345X06/wk-form4_1787261143.xml","filed":"2026-08-20","form":"4","items":"","report_date":"2026-08-18"},{"accession":"0000879407-26-000058","document":"arwr-20260804.htm","filed":"2026-08-04","form":"8-K","items":"2.02,9.01","report_date":"2026-08-04"},{"accession":"0000879407-26-000057","document":"arwr-20260630.htm","filed":"2026-08-04","form":"10-Q","items":"","report_date":"2026-06-30"},{"accession":"0002141314-26-000004","document":"xslF345X06/wk-form4_1781747052.xml","filed":"2026-06-17","form":"4","items":"","report_date":"2026-06-15"},{"accession":"0000879407-26-000050","document":"arwr-20260612.htm","filed":"2026-06-16","form":"8-K","items":"5.02,9.01","report_date":"2026-06-12"},{"accession":"0001767584-26-000002","document":"xslF345X06/wk-form4_1778799941.xml","filed":"2026-05-14","form":"4","items":"","report_date":"2026-05-12"},{"accession":"0000879407-26-000047","document":"arwr-20260331.htm","filed":"2026-05-07","form":"10-Q","items":"","report_date":"2026-03-31"},{"accession":"0000879407-26-000045","document":"arwr-20260507.htm","filed":"2026-05-07","form":"8-K","items":"2.02,9.01","report_date":"2026-05-07"},{"accession":"0001830755-26-000007","document":"xslF345X06/wk-form4_1777070312.xml","filed":"2026-04-24","form":"4","items":"","report_date":"2026-04-23"},{"accession":"0000879407-26-000039","document":"xslF345X06/wk-form4_1777070680.xml","filed":"2026-04-24","form":"4","items":"","report_date":"2026-04-22"},{"accession":"0000879407-26-000037","document":"arwr-20260319.htm","filed":"2026-03-20","form":"8-K","items":"5.07,9.01","report_date":"2026-03-19"},{"accession":"0001830755-26-000006","document":"xslF345X05/wk-form4_1773097203.xml","filed":"2026-03-09","form":"4","items":"","report_date":"2026-03-05"},{"accession":"0000879407-26-000034","document":"arwr-20251231.htm","filed":"2026-02-05","form":"10-Q","items":"","report_date":"2025-12-31"},{"accession":"0000879407-26-000033","document":"arwr-20260205.htm","filed":"2026-02-05","form":"8-K","items":"2.02,9.01","report_date":"2026-02-05"},{"accession":"0000879407-26-000019","document":"arwr-20260126.htm","filed":"2026-01-27","form":"DEF 14A","items":"","report_date":"2026-01-26"},{"accession":"0001193125-26-010582","document":"d19865d8k.htm","filed":"2026-01-12","form":"8-K","items":"1.01,2.03,9.01","report_date":"2026-01-12"},{"accession":"0001193125-26-007971","document":"d94918d8k.htm","filed":"2026-01-09","form":"8-K","items":"1.01,8.01,9.01","report_date":"2026-01-07"},{"accession":"0002081169-26-000002","document":"xslF345X05/wk-form4_1767915947.xml","filed":"2026-01-08","form":"4","items":"","report_date":"2026-01-06"},{"accession":"0000879407-26-000004","document":"arwr-20260106.htm","filed":"2026-01-06","form":"8-K","items":"7.01,8.01,9.01","report_date":"2026-01-06"},{"accession":"0000879407-25-000029","document":"arwr-20250930.htm","filed":"2025-11-25","form":"10-K","items":"","report_date":"2025-09-30"},{"accession":"0000879407-25-000027","document":"arwr-20251125.htm","filed":"2025-11-25","form":"8-K","items":"2.02,9.01","report_date":"2025-11-25"},{"accession":"0000879407-25-000019","document":"arwr-20251118.htm","filed":"2025-11-18","form":"8-K","items":"8.01,9.01","report_date":"2025-11-18"},{"accession":"0000879407-25-000013","document":"arwr-20240930.htm","filed":"2025-10-10","form":"10-K/A","items":"","report_date":"2024-09-30"},{"accession":"0000879407-25-000010","document":"arwr-20250911.htm","filed":"2025-09-12","form":"8-K","items":"8.01,9.01","report_date":"2025-09-11"},{"accession":"0000879407-25-000007","document":"arwr-20250910.htm","filed":"2025-09-11","form":"8-K","items":"8.01,9.01","report_date":"2025-09-10"},{"accession":"0000879407-25-000004","document":"arwr-20250902.htm","filed":"2025-09-02","form":"8-K","items":"1.01,9.01","report_date":"2025-09-02"},{"accession":"0001628280-25-038867","document":"arwr-20250807.htm","filed":"2025-08-07","form":"8-K","items":"2.02,9.01","report_date":"2025-08-07"},{"accession":"0001628280-25-038858","document":"arwr-20250630.htm","filed":"2025-08-07","form":"10-Q","items":"","report_date":"2025-06-30"},{"accession":"0001628280-25-024675","document":"arwr-20250512.htm","filed":"2025-05-12","form":"8-K","items":"2.02,9.01","report_date":"2025-05-12"},{"accession":"0001628280-25-024666","document":"arwr-20250331.htm","filed":"2025-05-12","form":"10-Q","items":"","report_date":"2025-03-31"},{"accession":"0001628280-25-017844","document":"arwr-20250411.htm","filed":"2025-04-15","form":"8-K","items":"5.02","report_date":"2025-04-11"},{"accession":"0001628280-25-013619","document":"arwr-20250312.htm","filed":"2025-03-19","form":"8-K","items":"5.07,9.01","report_date":"2025-03-12"},{"accession":"0001628280-25-004637","document":"arwr-20250210.htm","filed":"2025-02-10","form":"8-K","items":"2.02,9.01","report_date":"2025-02-10"},{"accession":"0001628280-25-004634","document":"arwr-20241231.htm","filed":"2025-02-10","form":"10-Q","items":"","report_date":"2024-12-31"},{"accession":"0001628280-25-004313","document":"arwr-20250207.htm","filed":"2025-02-07","form":"8-K","items":"5.02,9.01","report_date":"2025-02-07"},{"accession":"0001628280-25-002848","document":"arwr-20250128.htm","filed":"2025-01-29","form":"DEF 14A","items":"","report_date":"2025-01-28"},{"accession":"0001628280-24-051729","document":"arwr-20241211.htm","filed":"2024-12-18","form":"8-K","items":"5.02,9.01","report_date":"2024-12-11"},{"accession":"0001628280-24-049281","document":"arwr-20241126.htm","filed":"2024-11-26","form":"8-K","items":"2.02,9.01","report_date":"2024-11-26"},{"accession":"0001628280-24-049277","document":"arwr-20240930.htm","filed":"2024-11-26","form":"10-K","items":"","report_date":"2024-09-30"}],"former_names":[{"from":"2004-01-13T05:00:00.000Z","name":"ARROWHEAD RESEARCH CORP","to":"2016-04-06T04:00:00.000Z"},{"from":"2002-05-13T04:00:00.000Z","name":"INTERACTIVE GROUP INC","to":"2004-01-09T05:00:00.000Z"},{"from":"1998-01-02T05:00:00.000Z","name":"INTERACTIVE INC","to":"2002-02-13T05:00:00.000Z"}],"gleif_parents":[],"headquarters":[{"latitude":34.1475,"longitude":-118.1438888888889,"name":"Pasadena","precision":"headquarters locality","source":"wikidata","url":"https://www.wikidata.org/wiki/Q485176"}],"insiders":[{"accession":"0002141314-26-000004","acquired_disposed":"A","code":"A","date":"2026-06-15","derivative":false,"filed":"2026-06-17","following_shares":"11882.0","form":"4","owners":["Cohen Matthew Gregory"],"plan_10b5_1":false,"price":"0.0","security":"Common Stock","shares":"11882.0"},{"accession":"0001767584-26-000002","acquired_disposed":"D","code":"S","date":"2026-05-12","derivative":false,"filed":"2026-05-14","following_shares":"52012.0","form":"4","owners":["Lu Hongbo"],"plan_10b5_1":true,"price":"76.88","security":"Common Stock","shares":"2970.0"},{"accession":"0001830755-26-000007","acquired_disposed":"D","code":"S","date":"2026-04-23","derivative":false,"filed":"2026-04-24","following_shares":"226958.0","form":"4","owners":["Hamilton James C"],"plan_10b5_1":true,"price":"75.0","security":"Common Stock","shares":"10000.0"},{"accession":"0000879407-26-000039","acquired_disposed":"D","code":"S","date":"2026-04-22","derivative":false,"filed":"2026-04-24","following_shares":"162905.0","form":"4","owners":["Apel Daniel Joseph"],"plan_10b5_1":true,"price":"71.92","security":"Common Stock","shares":"8730.0"},{"accession":"0000879407-26-000039","acquired_disposed":"D","code":"S","date":"2026-04-22","derivative":false,"filed":"2026-04-24","following_shares":"171635.0","form":"4","owners":["Apel Daniel Joseph"],"plan_10b5_1":true,"price":"70.45","security":"Common Stock","shares":"1157.0"},{"accession":"0000879407-26-000039","acquired_disposed":"D","code":"S","date":"2026-04-22","derivative":false,"filed":"2026-04-24","following_shares":"172792.0","form":"4","owners":["Apel Daniel Joseph"],"plan_10b5_1":true,"price":"70.11","security":"Common Stock","shares":"3208.0"}],"legal_name":"Arrowhead Pharmaceuticals, Inc.","lei":"549300O3CSB8T7OZ3D66","lei_status":"ISSUED","lei_updated_at":"2026-02-24T06:14:37Z","names":[{"entity_id":null,"kind":"alias","name":"Arrowhead Pharmaceuticals","source":"wikidata"}],"parent_exceptions":["direct-parent: no parent LEI supplied","ultimate-parent: no parent LEI supplied"],"parents":[],"wikidata_id":"Q113530745"},"research_built_at":"2026-09-08T00:28:31.573928+00:00","sources":[{"coverage":"8005 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":"2026-09-08T00:28:36.996621+00:00","status":"ok","url":"https://www.sec.gov/search-filings/edgar-application-programming-interfaces"},{"coverage":"1611 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":"2026-09-07T20:33:33.971872+00:00","status":"ok","url":"https://www.wikidata.org/"},{"coverage":"1177 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":"2026-09-07T20:35:11.504394+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":"2026-09-08T00:28:58.131796+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":"2026-09-08T00:28:59.313116+00:00","status":"ok","url":"https://www.bls.gov/developers/"},{"coverage":"2026 Q2: 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":"2026-09-07T20:35:31.647091+00:00","status":"ok","url":"https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets"}]}