{"url_path":"/sec/kalu/8-k/2026-07-22/item-9-01","section_key":"item-9-01","section_title":"Item 9.01 Financial Statements and Exhibits.","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-07-22","source_url":"https://www.sec.gov/Archives/edgar/data/811596/0001193125-26-312472-index.html","accession_number":"0001193125-26-312472","cik":"0000811596","ticker":"KALU","issuer_name":"KAISER ALUMINUM CORP","edgar_url":"https://www.sec.gov/Archives/edgar/data/811596/0001193125-26-312472-index.html","primary_entity_key":"0000811596","primary_entity_name":"KAISER ALUMINUM CORP"},"word_count":85,"has_tables":true,"body_markdown":"Item 9.01. Financial Statements and Exhibits.\n\n(d)\nExhibits.\n\n \n\nExhibit\n\nNumber\n\nDescription\n\n99.1\n\n[Press release dated July 22, 2026.](kalu-ex99_1.htm)\n\n104\n\nCover Page Interactive Data File (embedded within the Inline XBRL document).\n\n \n\nSIGNATURES\n\nPursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.\n\n \n\n \n\nKAISER ALUMINUM CORPORATION\n\n(Registrant)\n\n \n\nBy:\n\n/s/ Cherrie I. Tsai\n\nCherrie I. Tsai\n\nVice President, Deputy General Counsel and Corporate Secretary\n\n \n\nDate: July 22, 2026"}