{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-200660","form_type":"8-K","ticker":"BIIB","cik":"0000875045","company_name":"BIOGEN INC.","filed_at":"2024-08-14T23:59:59+00:00","discovered_at":"2026-05-14T18:03:16.110445+00:00","generated_at":"2026-05-31T09:32:20.566565+00:00","sec_items":["1.01","1.02","2.03","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Biogen enters $1.5B unsecured revolving credit facility, terminates prior facility","bullets":["$1.5B five-year unsecured revolving credit facility; no borrowings drawn at closing.","Replaces 2020 credit agreement; no outstanding loans at termination.","Interest rates based on credit ratings: Term SOFR + 0.625%-1.375%; commitment fee 0.05%-0.15%.","Financial covenant: max consolidated leverage ratio of 3.75:1 (4.25:1 after material acquisition).","Matures August 2029, includes $25M letter of credit sublimit, $20M swing line."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-200660","json":"https://secwatch.observer/filing/0001193125-24-200660.json","markdown":"https://secwatch.observer/filing/0001193125-24-200660.md","text":"https://secwatch.observer/filing/0001193125-24-200660.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/875045/000119312524200660/0001193125-24-200660-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/875045/000119312524200660/d867868d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T09:32:20.566565+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"}