{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-059490","form_type":"8-K","ticker":"AMGN","cik":"0000318154","company_name":"AMGEN INC","filed_at":"2026-02-19T23:59:59+00:00","discovered_at":"2026-05-14T18:02:37.353208+00:00","generated_at":"2026-05-16T01:52:23.575233+00:00","sec_items":["1.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"Amgen issues $4.0B in senior notes across four tranches with maturities 2031-2056","bullets":["Issued $1.0B 4.200% notes due 2031, $1.75B 4.850% notes due 2036, $500M 5.500% notes due 2046, $750M 5.650% notes due 2056.","Net proceeds of ~$3.96B after underwriting discounts and estimated offering expenses.","Interest payable semi-annually on Feb 19 and Aug 19, starting Aug 19, 2026.","Holders may require repurchase at 101% upon a change-in-control triggering event."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-059490","json":"https://secwatch.observer/filing/0001193125-26-059490.json","markdown":"https://secwatch.observer/filing/0001193125-26-059490.md","text":"https://secwatch.observer/filing/0001193125-26-059490.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/318154/000119312526059490/0001193125-26-059490-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/318154/000119312526059490/d106293d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T01:52:23.575233+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":"ead567c7270322391a6e060b76f1e67797a28e69","claim":"AMGEN INC entered into Officer's Certificate valued at $1,000,000,000 aggregate principal amount of the Company’s 4.200% Senior Notes due 2031, $1,750,000, (effective 2026-02-19).","evidence_excerpt":"On February 17, 2026, Amgen Inc. (the “Company”) issued and sold $1,000,000,000 aggregate principal amount of the Company’s 4.200% Senior Notes due 2031 (the “2031 Notes”), $1,750,000,000 aggregate principal amount of the Company’s 4.850% Senior Notes due 2036 (the “2036 Notes”), $500,000,000 aggregate principal amount of the Company’s 5.500% Senior Notes due 2046 (the “2046 Notes”) and $750,000,000 aggregate principal amount of the Company’s 5.650% Senior Notes due 2056 (the “2056 Notes” and, together with the 2031 Notes, the 2036 Notes and the 2046 Notes, the “Notes”).","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/318154/000119312526059490/0001193125-26-059490-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"notes offering"},{"label":"Value","value":"$1,000,000,000 aggregate principal amount of the Company’s 4.200% Senior Notes due 2031, $1,750,000,"},{"label":"Effective","value":"2026-02-19"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}