Kaiser Aluminum CORP Form 4 insider transactions

Kaiser Aluminum Corporation Director Michael C. Arnold was granted 786 shares of restricted common stock.

Kaiser Aluminum Corporation director Kimberly T. Glas was granted 786 shares of restricted common stock.

Director Donald J. Stebbins acquired 1,417 shares of Kaiser Aluminum Corp common stock through equity grants and retainer elections.

Director Brett Wilcox acquired 1,114 shares of Kaiser Aluminum Corp common stock through equity incentive plan grants and retainer elections.

Director James D. Hoffman acquired 1,375 shares of Kaiser Aluminum Corp common stock through equity grants and retainer elections.

Director Richard P. Grimley was granted 786 shares of restricted stock in Kaiser Aluminum Corporation.

Director Glenda J. Minor acquired 1,121 shares of Kaiser Aluminum Corp common stock through equity grants and retainer elections.

Kaiser Aluminum Corporation director David A. Foster was granted 786 shares of restricted common stock as part of an equity incentive plan.

Kaiser Aluminum Corp Director Richard P. Grimley sold 1,524 shares of common stock at a weighted average price of $171.52.

Kaiser Aluminum Corporation President and CEO Keith Harvey sold 3,031 shares of common stock on April 29, 2026.

Kaiser Aluminum's EVP of Manufacturing, Thomas H. Robb, was granted 440 restricted stock units as part of the company's equity compensation plan.

Kaiser Aluminum's EVP, CAO, and GC, John Malcolm Donnan, reported the planned sale of 18,461 shares of common stock at a weighted average price of $125.0758 per share.

Neal E. West, EVP & CFO of Kaiser Aluminum Corp, reported the sale of 5,000 shares of common stock at a weighted average price of $121.72 per share.

Kaiser Aluminum's President and CEO, Keith Harvey, sold 33,000 shares of common stock for financial planning and diversification purposes.

Kaiser Aluminum's EVP of Sales & Marketing, Blain Tiffany, sold 8,656 shares of common stock for approximately $813,000.

Kaiser Aluminum's VP, Corporate Controller & CAO, Vijai Narayan, reported a routine disposition of 163 shares to cover tax obligations from RSU vesting.

Kaiser Aluminum Director James D. Hoffman acquired 2,385 shares of common stock through restricted grants and stock in lieu of cash compensation, signaling increased insider ownership.

Kaiser Aluminum's EVP of Sales & Marketing, Tiffany Blain, had 6,982 shares withheld for tax obligations related to restricted stock unit vesting.

Kaiser Aluminum's EVP of Manufacturing, Jason Walsh, had 7,236 shares withheld to cover tax obligations from restricted stock unit vesting.

Kaiser Aluminum Corp. Director Donald J. Stebbins was granted 1,905 shares of common stock as restricted stock under the company's 2021 Equity and Incentive Compensation Plan.

Kaiser Aluminum Corporation Director Kevin W. Williams was granted 1,905 shares of restricted common stock as part of the company's 2021 Equity and Incentive Compensation Plan.

Kaiser Aluminum Corporation Director Brett Wilcox acquired additional common stock through a restricted stock grant and an election to receive stock in lieu of cash compensation, increasing his direct and indirect beneficial ownership.

Kaiser Aluminum Corp. Director Glenda J. Minor reported the acquisition of 3,395 shares of common stock through a restricted stock grant and an election to receive stock in lieu of a cash retainer.

Kaiser Aluminum Corp. Director Richard P. Grimley was granted 1,905 shares of common stock as restricted stock, increasing his total beneficial ownership to 6,102 shares.

Kaiser Aluminum Corp. Director David A. Foster was granted 1,905 shares of common stock as restricted stock under the company's 2021 Equity and Incentive Compensation Plan.

Kaiser Aluminum Corp. Director Lauralee Martin acquired 3,531 shares of common stock through restricted stock grants and an election to receive stock in lieu of cash compensation, increasing her total beneficial ownership to 8,345 shares.

Kaiser Aluminum Corp. Director Kimberly Thompson Glas was granted 1,905 shares of common stock as restricted stock under the company's 2021 Equity and Incentive Compensation Plan.

Kaiser Aluminum Corp. Director Michael C. Arnold has increased his beneficial ownership in the company by acquiring 2,823 shares through a restricted stock grant and an election to receive stock in lieu of cash compensation.

Neal West, EVP & CFO of Kaiser Aluminum, reports acquiring shares of common stock through the West Family Trust and grants of restricted stock units.

Ray Parkinson, SVP at Kaiser Aluminum, reports acquisition and disposal of company stock related to restricted stock units and performance shares.