{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-25-070186","form_type":"8-K","ticker":"CENX","cik":"0000949157","company_name":"CENTURY ALUMINUM CO","filed_at":"2025-07-24T23:59:59+00:00","discovered_at":"2026-05-14T18:02:46.757386+00:00","generated_at":"2026-05-18T03:03:19.396818+00:00","sec_items":["1.01","1.02","2.03","7.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Century Aluminum closes $400M 6.875% notes due 2032, redeems 2028 notes","bullets":["Issued $400M aggregate principal 6.875% senior secured notes due Aug 1, 2032 at 100% of par.","Net proceeds ~$395M used to redeem all $250M 7.50% notes due 2028 at ~$261M (101.875% + accrued interest).","Redemption of 2028 notes scheduled Aug 5, 2025; indenture obligations satisfied.","Entered Amendment No. 5 to credit facility extending maturity to July 22, 2030 and modifying other terms.","Notes are secured by substantially all assets (excluding ABL collateral) and guaranteed by domestic subsidiaries."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-25-070186","json":"https://secwatch.observer/filing/0001104659-25-070186.json","markdown":"https://secwatch.observer/filing/0001104659-25-070186.md","text":"https://secwatch.observer/filing/0001104659-25-070186.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/949157/000110465925070186/0001104659-25-070186-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/949157/000110465925070186/tm2521454d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-18T03:03:19.396818+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":"be7e574b84aeb72a66533cd6b934f311a75faf10","claim":"CENTURY ALUMINUM CO incurred senior notes of $400 million with Wilmington Trust, National Association at 6.875% per year maturing August 1, 2032.","evidence_excerpt":"completed its previously announced offering of $400 million aggregate principal amount of 6.875% Senior Secured Notes due 2032","evidence_source":"SEC 8-K Item 2.03/2.04","evidence_url":"https://www.sec.gov/Archives/edgar/data/949157/000110465925070186/0001104659-25-070186-index.htm","confidence":0.9,"family_label":"Debt Financings","details":[{"label":"Instrument","value":"senior notes"},{"label":"Principal","value":"$400 million"},{"label":"Counterparty","value":"Wilmington Trust, National Association"},{"label":"Rate","value":"6.875% per year"},{"label":"Maturity","value":"August 1, 2032"},{"label":"Event","value":"incurrence"}],"fact_type":"debt_financing"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}