{"schema_version":"secwatch.filing_event.v1","accession":"0000949157-21-000128","form_type":"8-K","ticker":"CENX","cik":"0000949157","company_name":"CENTURY ALUMINUM CO","filed_at":"2021-11-03T23:59:59+00:00","discovered_at":"2026-05-14T18:04:16.369806+00:00","generated_at":"2026-06-28T14:48:19.751961+00:00","sec_items":["2.02","9.01"],"event_type":"earnings","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Century Aluminum posts Q3 net loss of $52.4M, adjusted EBITDA jumps to $70.3M","bullets":["Net sales $581.4M in Q3 2021; shipments 196,095 tonnes.","Net loss $52.4M ($0.58 diluted EPS) vs Q2 net loss $35.1M ($0.39 loss).","Adjusted EBITDA of $70.3M, up from $33.9M in Q2.","Announced casthouse expansion in Iceland to produce 150,000 tonnes of green billet.","Restart at Mt. Holly and Hawesville smelters on track."],"urls":{"canonical":"https://secwatch.observer/filing/0000949157-21-000128","json":"https://secwatch.observer/filing/0000949157-21-000128.json","markdown":"https://secwatch.observer/filing/0000949157-21-000128.md","text":"https://secwatch.observer/filing/0000949157-21-000128.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/949157/000094915721000128/0000949157-21-000128-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/949157/000094915721000128/cenx-20211103.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-28T14:48:19.751961+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"}