{"url_path":"/sec/kalu/8-k/2026-06-04/item-5-02","section_key":"item-5-02","section_title":"Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-06-04","source_url":"https://www.sec.gov/Archives/edgar/data/811596/0001193125-26-257524-index.html","accession_number":"0001193125-26-257524","cik":"0000811596","ticker":"KALU","issuer_name":"KAISER ALUMINUM CORP","edgar_url":"https://www.sec.gov/Archives/edgar/data/811596/0001193125-26-257524-index.html","primary_entity_key":"0000811596","primary_entity_name":"KAISER ALUMINUM CORP"},"word_count":261,"has_tables":true,"body_markdown":"## Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.\n\nOn June 4, 2026, Kaiser Aluminum Corporation (the “Company”) held its Annual Meeting of Stockholders (the “2026 Annual Meeting”). At the 2026 Annual Meeting, the stockholders of the Company, upon recommendation of the Company’s Board of Directors (the “Board”), approved the amendment and restatement of the Kaiser Aluminum Corporation 2021 Equity and Incentive Compensation Plan, as amended (the “2021 Plan”), to increase the number of shares of common stock, par value $0.01 per share, of the Company (“Common Stock”), available for awards under the 2021 Plan by 395,000 shares. We refer to the 2021 Plan, as newly amended and restated at the 2026 Annual Meeting, as the “Amended 2021 Plan.” Other than the increase in shares described above, the Amended 2021 Plan does not make any other material changes to the 2021 Plan.\n\nSubject to adjustment as described in the Amended 2021 Plan and the Amended 2021 Plan’s share counting rules, a total of 1,183,000 shares of Common Stock (consisting of 395,000 new shares approved by the Company’s stockholders at the 2026 Annual Meeting, 263,000 shares approved by the Company’s stockholders in 2024, and 525,000 shares approved by the Company’s stockholders in 2021) are available for awards granted under the Amended 2021 Plan.\n\nThis description of the Amended 2021 Plan is qualified in its entirety by reference to the full text of the Amended 2021 Plan, which is incorporated by reference as Exhibit 10.1 to this Current Report on Form 8-K."}