ATI

• None no insider bought on the open market
• $1.8M sold by 2 insiders outside a trading plan
• $80.9M sold by 3 insiders under 10b5-1 plans

1. Insider
   Trade
   Value
   Traded, filed
2. Timothy J Harris Senior VP and CDIO
   Planned sale
   $1.7M 9,000 shares at $191.82 9.3% of stake
   Traded Sep 21 Filed Sep 23
   ↗
3. Timothy J Harris Senior VP and CDIO
   Planned sale
   $3.2M 16,500 shares at $193.06 15% of stake
   Traded Sep 14 Filed Sep 16
   ↗
4. Timothy J Harris Senior VP and CDIO
   Planned sale
   $3.4M 16,500 shares at $207.54 13% of stake
   Traded Sep 8 Filed Sep 10
   ↗
5. David J Morehouse Director
   Sale
   $501K 2,485 shares at $201.61 6.5% of stake
   Traded Sep 2 Filed Sep 4
   ↗
6. Timothy J Harris Senior VP and CDIO
   Planned sale
   $3.5M 16,500 shares at $210.01 11% of stake
   Traded Aug 31 Filed Sep 2
   ↗
7. Timothy J Harris Senior VP and CDIO
   Planned sale
   $3.4M 16,500 shares at $206.92 10% of stake
   Traded Aug 24 Filed Aug 26
   ↗
8. Kimberly A Fields CEO
   Planned sale
   $5.7M 24,845 shares at $231.19 20% of stake
   Traded Aug 17 Filed Aug 19
   ↗
9. Kimberly A Fields CEO
   Planned sale
   $6.1M 31,757 shares at $190.99 20% of stake
   Traded Jul 28 Filed Jul 30
   ↗
10. Kimberly A Fields CEO
    Planned sale
    $7.3M 40,000 shares at $182.91 20% of stake
    Traded Jul 7 Filed Jul 9
    ↗
11. Kimberly A Fields CEO
    Planned sale
    $4.2M 20,693 shares at $200.64 9.5% of stake
    Traded Jun 22–24 Filed Jun 24
    ↗
12. Kimberly A Fields CEO
    Planned sale
    $10.7M 59,749 shares at $179.07 22% of stake
    Traded Jun 2 Filed Jun 4
    ↗
13. Kimberly A Fields CEO
    Planned sale
    $6.4M 40,000 shares at $159.21 13% of stake
    Traded May 11 Filed May 12
    ↗
14. David J Morehouse Director
    Sale
    $1M 6,609 shares at $154.25 15% of stake
    Traded Mar 9 Filed Mar 11
    ↗
15. Robert S Wetherbee Chair
    Planned sale
    $8.7M 60,000 shares at $145.62 18% of stake
    Traded Feb 10–17 Filed Feb 19
    ↗
16. Robert S Wetherbee Chair
    Planned sale
    $6.6M 60,020 shares at $109.57 32% of stake
    Traded Dec 18, 2025 Filed Dec 19, 2025
    ↗

Also filed in the last 12 months, not counted as buying or selling: 20 stock grants, 16 share withholdings for taxes, 5 option exercises, and 2 gifts.