Trade Summary

4 days ago, Donnan John Malcolm, serving as EVP, CAO, GC at Kaiser Aluminum Corp (KALU), sold 18,461 shares at $125.08 per share, for a total transaction value of $2,309,024.00. Following this transaction, Donnan John Malcolm now holds 22,205 shares of KALU.

This sale represents a 45.00% decrease in Donnan John Malcolm's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Monday, February 23, 2026 and publicly disclosed via SEC Form 4 filing on Wednesday, February 25, 2026, 2 days after the trade was made.

Kaiser Aluminum Corp operates in the BASIC MATERIALS sector, specifically within the ALUMINUM industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.