{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-22-019124","form_type":"8-K","ticker":"ARWR","cik":"0000879407","company_name":"ARROWHEAD PHARMACEUTICALS, INC.","filed_at":"2022-07-20T23:59:59+00:00","discovered_at":"2026-05-14T18:03:58.405171+00:00","generated_at":"2026-06-24T11:52:58.498109+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Arrowhead appoints Patrick O'Brien as COO and General Counsel effective July 15, 2022","bullets":["Patrick O'Brien (age 59) named Chief Operating Officer and General Counsel, effective July 15, 2022.","He retains roles as Chief Compliance Officer and Corporate Secretary.","O'Brien joined Arrowhead in December 2014 and previously served as General Counsel.","Over 25 years healthcare legal experience, including positions at Shire, Johnson & Johnson, and the FDA."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-22-019124","json":"https://secwatch.observer/filing/0001628280-22-019124.json","markdown":"https://secwatch.observer/filing/0001628280-22-019124.md","text":"https://secwatch.observer/filing/0001628280-22-019124.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/879407/000162828022019124/0001628280-22-019124-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/879407/000162828022019124/arwr-20220715.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-24T11:52:58.498109+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":"dedad94a2d","claim":"Patrick O'Brien was appointed as Chief Operating Officer and General Counsel at ARROWHEAD PHARMACEUTICALS, INC..","evidence_excerpt":"Arrowhead Pharmaceuticals, Inc. (the “Company”) has appointed Patrick O’Brien, age 59, as Chief Operating Officer and General Counsel effective as of July 15, 2022.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/879407/000162828022019124/0001628280-22-019124-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Operating Officer and General Counsel"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}