{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-24-001805","form_type":"8-K","ticker":"ARWR","cik":"0000879407","company_name":"ARROWHEAD PHARMACEUTICALS, INC.","filed_at":"2024-01-22T23:59:59+00:00","discovered_at":"2026-05-14T18:03:27.115274+00:00","generated_at":"2026-06-06T20:53:45.390516+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Arrowhead CMO Javier San Martin departing Feb 1; Bruce Given returns as Chief Medical Scientist","bullets":["Dr. Javier San Martin, Chief Medical Officer, leaves Arrowhead effective February 1, 2024.","Bruce Given, retired former COO and R&D head, appointed Chief Medical Scientist to ensure orderly transition.","Company thanks San Martin for his contributions as CMO and executive team member."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-24-001805","json":"https://secwatch.observer/filing/0001628280-24-001805.json","markdown":"https://secwatch.observer/filing/0001628280-24-001805.md","text":"https://secwatch.observer/filing/0001628280-24-001805.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/879407/000162828024001805/0001628280-24-001805-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/879407/000162828024001805/arwr-20240116.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-06T20:53:45.390516+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"43bffab8a4","claim":"Javier San Martin departed as Chief Medical Officer at ARROWHEAD PHARMACEUTICALS, INC..","evidence_excerpt":"Javier San Martin, M.D., the Chief Medical Officer of Arrowhead Pharmaceuticals, Inc. (the “Company”), will be leaving the Company, effective as of February 1, 2024.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/879407/000162828024001805/0001628280-24-001805-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"leaving"},{"label":"Role","value":"Chief Medical Officer"}],"fact_type":"executive_change"},{"claim_id":"e02eb5147d","claim":"Bruce Given was appointed as Chief Medical Scientist at ARROWHEAD PHARMACEUTICALS, INC..","evidence_excerpt":"Bruce Given, M.D., who previously served as the Company's Chief Operating Officer and head of Research and Development until his retirement on May 1, 2020, will assist the Company in the orderly transition of Dr. San Martin's departure in Dr. Given’s new role as Chief Medical Scientist.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/879407/000162828024001805/0001628280-24-001805-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Medical Scientist"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}