{"schema_version":"secwatch.filing_event.v1","accession":"0000318154-26-000048","form_type":"8-K","ticker":"AMGN","cik":"0000318154","company_name":"AMGEN INC","filed_at":"2026-04-22T23:59:59+00:00","discovered_at":"2026-05-14T18:02:33.556282+00:00","generated_at":"2026-05-15T04:57:28.880836+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":"Amgen EVP and CTO David M. Reese to retire June 30, 2026; roles redistributed","bullets":["David M. Reese retires as EVP and CTO effective June 30, 2026; responsibilities split among Bradner, Gordon, Griffith starting June 1.","James Bradner becomes EVP of R&D, AI and Data; Sean Bruich named SVP and CTO.","Murdo Gordon takes EVP of Amgen Global Markets and Policy; Paul Burton remains Chief Medical Officer.","Reese joined Amgen in 2005, led R&D from 2018-2023, and served as inaugural CTO."],"urls":{"canonical":"https://secwatch.observer/filing/0000318154-26-000048","json":"https://secwatch.observer/filing/0000318154-26-000048.json","markdown":"https://secwatch.observer/filing/0000318154-26-000048.md","text":"https://secwatch.observer/filing/0000318154-26-000048.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/318154/000031815426000048/0000318154-26-000048-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/318154/000031815426000048/amgn-20260422.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T04:57:28.880836+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}