{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-22-142093","form_type":"8-K","ticker":"ARWR","cik":"0000879407","company_name":"ARROWHEAD PHARMACEUTICALS, INC.","filed_at":"2022-05-05T23:59:59+00:00","discovered_at":"2026-05-14T18:04:04.074111+00:00","generated_at":"2026-06-26T00:12:08.838419+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Arrowhead appoints Victoria Vakiener to board as independent director","bullets":["Victoria Vakiener appointed effective May 2, 2022, as independent director.","She has extensive biotech/commercial experience; former CCO of Epizyme and 20+ years at J&J.","Granted 17,181 restricted stock units vesting over three years as standard director comp.","Ms. Vakiener also serves on board of Chimerix, a clinical-stage biopharma company."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-22-142093","json":"https://secwatch.observer/filing/0001193125-22-142093.json","markdown":"https://secwatch.observer/filing/0001193125-22-142093.md","text":"https://secwatch.observer/filing/0001193125-22-142093.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/879407/000119312522142093/0001193125-22-142093-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/879407/000119312522142093/d342404d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-26T00:12:08.838419+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":"14905d0d2b","claim":"Victoria Vakiener was appointed as Director at ARROWHEAD PHARMACEUTICALS, INC..","evidence_excerpt":"the Board of Directors of Arrowhead Pharmaceuticals, Inc. (the “Company”) appointed Victoria Vakiener as an independent director of the Company effective May 2, 2022.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/879407/000119312522142093/0001193125-22-142093-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}