{"schema_version":"secwatch.filing_event.v1","accession":"0000949157-23-000020","form_type":"8-K","ticker":"CENX","cik":"0000949157","company_name":"CENTURY ALUMINUM CO","filed_at":"2023-02-23T23:59:59+00:00","discovered_at":"2026-05-14T18:03:48.688431+00:00","generated_at":"2026-06-19T03:56:17.225931+00:00","sec_items":["2.02","9.01"],"event_type":"earnings","sentiment":"negative","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Century Aluminum Q4 net loss $113.5M; adjusted EBITDA negative $12.4M","bullets":["Q4 net sales $529.9M; reported net loss $113.5M ($1.24/share); adjusted net loss $31.3M ($0.31/share).","Q4 Adjusted EBITDA negative $12.4M; shipments 169,471 tonnes, down from Q3.","Full year 2022 net sales $2.8B (+26% YoY); reported net loss $14.1M; adjusted net income $25.6M ($0.26/share).","Full year Adjusted EBITDA $143.8M; shipments 768,691 tonnes, down from 783,647 in 2021.","Completed Mt. Holly restart at 75% capacity; low-carbon billet expansion in Iceland on track for Q1 2024 shipments."],"urls":{"canonical":"https://secwatch.observer/filing/0000949157-23-000020","json":"https://secwatch.observer/filing/0000949157-23-000020.json","markdown":"https://secwatch.observer/filing/0000949157-23-000020.md","text":"https://secwatch.observer/filing/0000949157-23-000020.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/949157/000094915723000020/0000949157-23-000020-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/949157/000094915723000020/cenx-20230223.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-19T03:56:17.225931+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":"5c0f7340c0f41bf7a53057bc2a7b1de6f897cf7b","claim":"CENTURY ALUMINUM CO reported fourth quarter ended December 31, 2022 results: revenue Net sales $529.9 million, net income Reported net loss of $(113.5) million, EPS reported net loss of $(1.24) per share; adjusted net loss of $(0.31) per share.","evidence_excerpt":"Fourth Quarter 2022 Highlights • Net sales $529.9 million • Cost savings programs partially offset high power prices and other raw material cost pressure • Reported net loss of $(113.5) million, or $(1.24) per share; adjusted net loss of $(31.3) million, or $(0.31) per share; Adjusted EBITDA of $(12.4) million 1 • Norðurál named Environmental Company of the Year 2022 in Iceland • Strong total liquidity of $245.0 million as of December 31, 2022","evidence_source":"SEC 8-K Item 2.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/949157/000094915723000020/0000949157-23-000020-index.htm","confidence":0.9,"family_label":"Earnings Releases","details":[{"label":"Period","value":"fourth quarter ended December 31, 2022"},{"label":"Revenue","value":"Net sales $529.9 million"},{"label":"Net income","value":"Reported net loss of $(113.5) million"},{"label":"EPS","value":"reported net loss of $(1.24) per share; adjusted net loss of $(0.31) per share"},{"label":"Result","value":"reported results"}],"fact_type":"earnings_release"},{"claim_id":"b1a289d179ec06512439134aa6baf7fc65fefc79","claim":"CENTURY ALUMINUM CO reported full year ended December 31, 2022 results: revenue Net sales $2.8 billion, a 26% increase from prior year, net income Reported net loss of $(14.1) million, EPS reported net loss of $(0.15) per share; adjusted net income of $0.26 per share.","evidence_excerpt":"Full Year 2022 Highlights • Net sales $2.8 billion, a 26% increase from prior year • Completed Mt. Holly restart project, reaching 75% of total capacity • Reported net loss of $(14.1) million, or $(0.15) per share; adjusted net income of $25.6 million, or $0.26 per share; Adjusted EBITDA of $143.8 million 1 • Continued expansion project into low-carbon billet production for our Grundartangi, Iceland smelter. Project remains on budget and on time for completion, with shipments expected to begin in Q124","evidence_source":"SEC 8-K Item 2.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/949157/000094915723000020/0000949157-23-000020-index.htm","confidence":0.9,"family_label":"Earnings Releases","details":[{"label":"Period","value":"full year ended December 31, 2022"},{"label":"Revenue","value":"Net sales $2.8 billion, a 26% increase from prior year"},{"label":"Net income","value":"Reported net loss of $(14.1) million"},{"label":"EPS","value":"reported net loss of $(0.15) per share; adjusted net income of $0.26 per share"},{"label":"Result","value":"reported results"}],"fact_type":"earnings_release"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}