{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-24-127614","form_type":"8-K","ticker":"CENX","cik":"0000949157","company_name":"CENTURY ALUMINUM CO","filed_at":"2024-12-11T23:59:59+00:00","discovered_at":"2026-05-14T18:03:11.467410+00:00","generated_at":"2026-05-29T04:58:34.393179+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Century Aluminum promotes Rob Hoffman to SVP, CIO and CAO, replacing Theresa Brainerd as principal accounting officer","bullets":["Rob Hoffman promoted to Senior Vice President, Chief Information Officer and Chief Accounting Officer, effective December 9, 2024.","Hoffman succeeds Theresa Brainerd as principal accounting officer, whose departure was effective December 5, 2024.","Hoffman has been with Century since 2004, previously served as VP, CAO and CIO since 2021.","No family relationships or reportable transactions between Hoffman and company/directors."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-24-127614","json":"https://secwatch.observer/filing/0001104659-24-127614.json","markdown":"https://secwatch.observer/filing/0001104659-24-127614.md","text":"https://secwatch.observer/filing/0001104659-24-127614.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/949157/000110465924127614/0001104659-24-127614-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/949157/000110465924127614/tm2430766d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-29T04:58:34.393179+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"}