{"schema_version":"secwatch.filing_event.v1","accession":"0000949157-22-000017","form_type":"8-K","ticker":"CENX","cik":"0000949157","company_name":"CENTURY ALUMINUM CO","filed_at":"2022-02-04T23:59:59+00:00","discovered_at":"2026-05-14T18:04:10.506708+00:00","generated_at":"2026-06-27T11:21:18.598534+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Century Aluminum CFO Craig Conti to depart March 1; Michelle Harrison named interim principal financial officer","bullets":["Craig Conti leaves as EVP & CFO effective March 1, 2022 to be closer to family and pursue other opportunities.","Departure not related to any dispute or disagreement with the company or management.","Michelle Harrison, SVP Finance and Treasurer, assumes principal financial officer duties during successor search.","Search to include both internal and external candidates."],"urls":{"canonical":"https://secwatch.observer/filing/0000949157-22-000017","json":"https://secwatch.observer/filing/0000949157-22-000017.json","markdown":"https://secwatch.observer/filing/0000949157-22-000017.md","text":"https://secwatch.observer/filing/0000949157-22-000017.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/949157/000094915722000017/0000949157-22-000017-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/949157/000094915722000017/cenx-20220201.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-27T11:21:18.598534+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":"594b50d762","claim":"Michelle Harrison was appointed as principal financial officer at CENTURY ALUMINUM CO.","evidence_excerpt":"Following Mr. Conti's departure, Michelle Harrison, the Company’s Senior Vice President, Finance and Treasurer, will assume the responsibilities of the principal financial officer while the Company conducts a search, both internally and externally, for a successor.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/949157/000094915722000017/0000949157-22-000017-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"principal financial officer"}],"fact_type":"executive_change"},{"claim_id":"eed1c27d23","claim":"Craig Conti departed as Executive Vice President and Chief Financial Officer at CENTURY ALUMINUM CO.","evidence_excerpt":"On February 4, 2022, Century Aluminum Company (the “Company”) announced that Craig Conti will leave his position as Executive Vice President and Chief Financial Officer of the Company in order to be closer to family and to pursue other opportunities, effective March 1, 2022.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/949157/000094915722000017/0000949157-22-000017-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"leave"},{"label":"Role","value":"Executive Vice President and Chief Financial Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}