{"filing":{"accession_number":"0001628280-26-043936","cik":"0000949157","ticker":"CENX","company_name":"CENTURY ALUMINUM CO","form":"8-K","filing_date":"2026-06-17","report_date":null,"primary_document":"cenx-20260615.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/949157/000162828026043936/cenx-20260615.htm"},"events":[{"id":11597,"run_id":10185,"accession_number":"0001628280-26-043936","anchor_item_number":"5.07","event_type":"shareholder_vote_results","event_domain":"governance","is_material":true,"confidence":0.98,"summary":"This is a clear disclosure of shareholder vote results from Century Aluminum's 2026 Annual Meeting held on June 15, 2026. The filing reports voting outcomes for three proposals: election of seven directors, ratification of Deloitte \u0026 Touche LLP as independent auditor, and an advisory vote on named executive officer compensation. All three proposals passed with substantial majorities, and the detailed vote tallies (for, against, withheld, abstain, broker non-votes) are characteristic of Item 5.07 shareholder vote disclosures.","company_name":"CENTURY ALUMINUM CO","ticker":"CENX","filing_date":"2026-06-17","submitted_at":null,"items":[{"id":8231,"accession_number":"0001628280-26-043936","item_number":"5.07","item_title":"Submission of Matters to a Vote of Security Holders.","event_type":"shareholder_vote_results","event_domain":"governance","is_material":true,"confidence":0.98,"reasoning":"This is a clear disclosure of shareholder vote results from Century Aluminum's 2026 Annual Meeting held on June 15, 2026. The filing reports voting outcomes for three proposals: election of seven directors, ratification of Deloitte \u0026 Touche LLP as independent auditor, and an advisory vote on named executive officer compensation. All three proposals passed with substantial majorities, and the detailed vote tallies (for, against, withheld, abstain, broker non-votes) are characteristic of Item 5.07 shareholder vote disclosures.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-17T20:36:22.134334+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":8231,"accession_number":"0001628280-26-043936","item_number":"5.07","item_title":"Submission of Matters to a Vote of Security Holders.","event_type":"shareholder_vote_results","event_domain":"governance","is_material":true,"confidence":0.98,"reasoning":"This is a clear disclosure of shareholder vote results from Century Aluminum's 2026 Annual Meeting held on June 15, 2026. The filing reports voting outcomes for three proposals: election of seven directors, ratification of Deloitte \u0026 Touche LLP as independent auditor, and an advisory vote on named executive officer compensation. All three proposals passed with substantial majorities, and the detailed vote tallies (for, against, withheld, abstain, broker non-votes) are characteristic of Item 5.07 shareholder vote disclosures.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-17T20:36:22.134334+00:00","company_name":"CENTURY ALUMINUM CO","ticker":"CENX","filing_date":"2026-06-17"}]}