{"filing":{"accession_number":"0001628280-26-054300","cik":"0000949157","ticker":"CENX","company_name":"CENTURY ALUMINUM CO","form":"8-K","filing_date":"2026-08-06","report_date":"2026-08-06","primary_document":"cenx-20260806.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/949157/000162828026054300/cenx-20260806.htm"},"events":[{"id":25894,"run_id":23509,"accession_number":"0001628280-26-054300","anchor_item_number":"2.02","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.98,"summary":"Century Aluminum issued a press release on August 6, 2026 announcing its second quarter 2026 financial results, including net sales of $752.1 million, net income of $249.3 million, and diluted EPS of $2.39. The filing explicitly states the company \"issued a press release announcing its results of operations for quarter ended June 30, 2026\" with the press release attached as Exhibit 99.1, which is the standard disclosure mechanism for quarterly earnings releases under Item 2.02.","company_name":"CENTURY ALUMINUM CO","ticker":"CENX","filing_date":"2026-08-06","form":"8-K","submitted_at":null,"items":[{"id":26828,"accession_number":"0001628280-26-054300","item_number":"2.02","item_title":"Results of Operations and Financial Condition.","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.98,"reasoning":"Century Aluminum issued a press release on August 6, 2026 announcing its second quarter 2026 financial results, including net sales of $752.1 million, net income of $249.3 million, and diluted EPS of $2.39. The filing explicitly states the company \"issued a press release announcing its results of operations for quarter ended June 30, 2026\" with the press release attached as Exhibit 99.1, which is the standard disclosure mechanism for quarterly earnings releases under Item 2.02.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-09T02:41:32.288993+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":26828,"accession_number":"0001628280-26-054300","item_number":"2.02","item_title":"Results of Operations and Financial Condition.","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.98,"reasoning":"Century Aluminum issued a press release on August 6, 2026 announcing its second quarter 2026 financial results, including net sales of $752.1 million, net income of $249.3 million, and diluted EPS of $2.39. The filing explicitly states the company \"issued a press release announcing its results of operations for quarter ended June 30, 2026\" with the press release attached as Exhibit 99.1, which is the standard disclosure mechanism for quarterly earnings releases under Item 2.02.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-09T02:41:32.288993+00:00","company_name":"CENTURY ALUMINUM CO","ticker":"CENX","filing_date":"2026-08-06"}]}