{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-22-073515","form_type":"8-K","ticker":"CENX","cik":"0000949157","company_name":"CENTURY ALUMINUM CO","filed_at":"2022-06-22T23:59:59+00:00","discovered_at":"2026-05-14T18:04:04.542387+00:00","generated_at":"2026-06-25T00:11:34.492215+00:00","sec_items":["7.01","9.01"],"event_type":"other_material","sentiment":"negative","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Century Aluminum to idle Hawesville smelter for 9-12 months due to tripled energy costs","bullets":["Idling process begins June 27, 2022; expects restart when energy prices normalize in ~9-12 months.","Hawesville is the largest U.S. Century smelter and largest North American producer of military-grade aluminum.","Over 600 employees receive WARN Act notice of temporary layoff; company to assist with unemployment and training.","Energy costs have more than tripled historical average, driven by Russian war in Ukraine; no other plants affected.","CEO Jesse Gary cites unprecedented energy price rise as cause for the temporary curtailment."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-22-073515","json":"https://secwatch.observer/filing/0001104659-22-073515.json","markdown":"https://secwatch.observer/filing/0001104659-22-073515.md","text":"https://secwatch.observer/filing/0001104659-22-073515.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/949157/000110465922073515/0001104659-22-073515-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/949157/000110465922073515/tm2219060d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-25T00:11:34.492215+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"}