KALU Kaiser Aluminum

• None no insider bought on the open market
• $16.7M sold by 7 insiders outside a trading plan
• None no planned (10b5-1) sales

1. Insider
   Trade
   Value
   Traded, filed
2. Richard P. Grimley Director
   Sale
   $261K 1,524 shares at $171.52 25% of stake
   Traded Apr 29 Filed May 1
   ↗
3. Keith Harvey CEO
   Sale
   $525K 3,031 shares at $173.13 3.1% of stake
   Traded Apr 29 Filed May 1
   ↗
4. Brett Wilcox Director
   Sale
   $2.6M 15,000 shares at $174.44 60% of stake
   Traded Apr 27 Filed Apr 29
   ↗
5. John Malcolm Donnan EVP, CAO and GC
   Sale
   $489K 2,743 shares at $178.20 8.5% of stake
   Traded Apr 27 Filed Apr 29
   ↗
6. Iulian Gheorghe SVP - Adv Eng & Innovation
   Sale
   $30K 175 shares at $174.22 3.8% of stake
   Traded Apr 27 Filed Apr 29
   ↗
7. Neal E West CFO
   Sale
   $866K 5,000 shares at $173.29 21% of stake
   Traded Apr 28 Filed Apr 29
   ↗
8. Keith Harvey CEO
   Sale
   $8.2M 47,001 shares at $175.09 33% of stake
   Traded Apr 27 Filed Apr 29
   ↗
9. John Malcolm Donnan EVP, CAO and GC
   Sale
   $2.3M 18,461 shares at $125.08 45% of stake
   Traded Feb 23 Filed Feb 25
   ↗
10. Neal E West CFO
    Sale
    $609K 5,000 shares at $121.72 28% of stake
    Traded Feb 23 Filed Feb 25
    ↗
11. Blain Tiffany EVP - Sales & Marketing
    Sale
    $813K 8,656 shares at $93.92 25% of stake
    Traded Nov 7, 2025 Filed Nov 10, 2025
    ↗

Also filed in the last 12 months, not counted as buying or selling: 23 stock grants, 11 share withholdings for taxes, 1 sale back to the company, and 1 gift.