John Malcolm Donnan, an insider at Kaiser Aluminum Corp (KALU), sold 18,461 shares of the company's stock on February 25, 2026. The shares were sold at a price of $125.08 per share, amounting to a total transaction value of approximately $2,309,101.

This transaction follows another recent sale by Mr. Donnan, who also sold 18,461 shares on February 23, 2026, for approximately $2,309,101. Additionally, Neal E. West, another insider, sold 5,000 shares valued at approximately $608,600 on February 23, 2026.

Insider sales can occur for various reasons, including personal financial planning, tax considerations, or portfolio diversification, and do not necessarily indicate a negative outlook on the company's future performance. Glekko tracks such filings to provide transparency into insider activity.