{"filing":{"accession_number":"0001193125-26-302091","cik":"0000811596","ticker":"KALU","company_name":"KAISER ALUMINUM CORP","form":"8-K","filing_date":"2026-07-13","report_date":null,"primary_document":"kalu-20260713.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/811596/000119312526302091/kalu-20260713.htm"},"events":[{"id":17636,"run_id":15804,"accession_number":"0001193125-26-302091","anchor_item_number":"8.01","event_type":"dividend_distribution","event_domain":"financial","is_material":true,"confidence":0.98,"summary":"Kaiser Aluminum's board declared a quarterly cash dividend of $0.77 per share, payable August 14, 2026. This is a routine but material capital allocation decision that affects shareholder returns and reflects the company's financial position and capital management strategy, warranting disclosure under Item 8.01.","company_name":"KAISER ALUMINUM CORP","ticker":"KALU","filing_date":"2026-07-13","form":"8-K","submitted_at":null,"items":[{"id":16187,"accession_number":"0001193125-26-302091","item_number":"8.01","item_title":"Other Events.","event_type":"dividend_distribution","event_domain":"financial","is_material":true,"confidence":0.98,"reasoning":"Kaiser Aluminum's board declared a quarterly cash dividend of $0.77 per share, payable August 14, 2026. This is a routine but material capital allocation decision that affects shareholder returns and reflects the company's financial position and capital management strategy, warranting disclosure under Item 8.01.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-13T20:41:36.577920+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":16187,"accession_number":"0001193125-26-302091","item_number":"8.01","item_title":"Other Events.","event_type":"dividend_distribution","event_domain":"financial","is_material":true,"confidence":0.98,"reasoning":"Kaiser Aluminum's board declared a quarterly cash dividend of $0.77 per share, payable August 14, 2026. This is a routine but material capital allocation decision that affects shareholder returns and reflects the company's financial position and capital management strategy, warranting disclosure under Item 8.01.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-13T20:41:36.577920+00:00","company_name":"KAISER ALUMINUM CORP","ticker":"KALU","filing_date":"2026-07-13"}]}