MKSI MKS

• None no insider bought on the open market
• $25.5M sold by 11 insiders outside a trading plan
• $17.9M sold by 8 insiders under 10b5-1 plans

1. Insider
   Trade
   Value
   Traded, filed
2. Elizabeth Mora Director
   Planned sale
   $75K 300 shares at $250.96 1.6% of stake
   Traded Sep 1 Filed Sep 2
   ↗
3. John Tseng-Chung Lee CEO
   Planned sale
   $3M 10,000 shares at $302.01 6.9% of stake
   Traded Aug 14 Filed Aug 17
   ↗
4. John Edward Williams EVP & GM, Psd
   Planned sale
   $132K 457 shares at $288.31 10% of stake
   Traded Aug 3 Filed Aug 4
   ↗
5. James Alan Schreiner COO
   Sale
   $1.2M 3,500 shares at $345.82 15% of stake
   Traded Jun 12 Filed Jun 16
   ↗
6. James Alan Schreiner COO
   Planned sale
   $248K 781 shares at $317.42 3.3% of stake
   Traded Jun 10 Filed Jun 11
   ↗
7. Michelle M McCarthy SVP & Chief Accounting Officer
   Planned sale
   $767K 2,434 shares at $315.23 100% of stake
   Traded Jun 5 Filed Jun 8
   ↗
8. David Philip Henry EVP, Global Str Mktg & GM, MSD
   Sale
   $1.9M 6,000 shares at $314.43 37% of stake
   Traded Jun 1 Filed Jun 2
   ↗
9. Elizabeth Mora Director
   Planned sale
   $95K 300 shares at $318.02 1.5% of stake
   Traded Jun 1 Filed Jun 2
   ↗
10. Joseph B Donahue Director
    Sale
    $689K 2,100 shares at $327.95 17% of stake
    Traded May 27 Filed May 28
    ↗
11. Gerald G Colella Director
    Planned sale
    $6.7M 20,000 shares at $333.40 50% of stake
    Traded May 27 Filed May 28
    ↗
12. David Philip Henry EVP, Global Str Mktg & GM, MSD
    Planned sale
    $826K 2,500 shares at $330.50 13% of stake
    Traded May 26 Filed May 27
    ↗
13. Ramakumar Mayampurath CFO
    Planned sale
    $2.8M 8,810 shares at $315.48 100% of stake
    Traded May 22 Filed May 26
    ↗
14. John Tseng-Chung Lee CEO
    Planned sale
    $3.2M 10,000 shares at $315.48 6.5% of stake
    Traded May 22 Filed May 26
    ↗
15. Peter Cannone III Director
    Sale
    $410K 1,350 shares at $303.40 15% of stake
    Traded May 18 Filed May 19
    ↗
16. Jacqueline F Moloney Director
    Sale
    $312K 1,000 shares at $312.20 10% of stake
    Traded May 14 Filed May 15
    ↗

Also filed in the last 12 months, not counted as buying or selling: 41 option exercises, 10 share withholdings for taxes, and 7 stock grants.