HDSN Hudson Technologies

• $6.8M bought by 10 insiders
• $3.6M sold by 1 insider outside a trading plan
• None no planned (10b5-1) sales

1. Insider
   Trade
   Value
   Traded, filed
2. Hartree Partners, LP 10% owner
   Buy
   $604K 118,549 shares at $5.10 +2.3% to stake
   Traded Sep 24 Filed Sep 28
   ↗
3. Hartree Partners, LP 10% owner
   Buy
   $69K 13,515 shares at $5.10 +0.3% to stake
   Traded Sep 21–23 Filed Sep 23
   ↗
4. Hartree Partners, LP 10% owner
   Buy
   $57K 11,136 shares at $5.10 +0.2% to stake
   Traded Sep 16 Filed Sep 18
   ↗
5. Hartree Partners, LP 10% owner
   Buy
   $27K 5,317 shares at $5.10 +0.1% to stake
   Traded Sep 2 Filed Sep 4
   ↗
6. Hartree Partners, LP 10% owner
   Buy
   $553K 100,612 shares at $5.50 +2% to stake
   Traded Aug 24–25 Filed Aug 26
   ↗
7. Hartree Partners, LP 10% owner
   Buy
   $29K 5,198 shares at $5.50 +0.1% to stake
   Traded Aug 12 Filed Aug 14
   ↗
8. Hartree Partners, LP 10% owner
   Buy
   $312K 52,104 shares at $5.99 +1% to stake
   Traded Jul 29 Filed Jul 31
   ↗
9. Hartree Partners, LP 10% owner
   Buy
   $393K 65,550 shares at $5.99 +1.3% to stake
   Traded Jul 20–21 Filed Jul 22
   ↗
10. Hartree Partners, LP 10% owner
    Buy
    $31K 5,234 shares at $5.99 +0.1% to stake
    Traded Jul 6–7 Filed Jul 8
    ↗
11. Hartree Partners, LP 10% owner
    Buy
    $4.5M 764,202 shares at $5.86 +18% to stake
    Traded Jun 30–Jul 2 Filed Jul 2
    ↗
12. Richard Parrillo Director
    Buy
    $48K 10,000 shares at $4.83 +5.4% to stake
    Traded May 13 Filed May 21
    ↗
13. Brian J. Bertaux CFO
    Buy
    $9,740 2,000 shares at $4.87 New stake
    Traded May 19 Filed May 21
    ↗
14. Loan Nguyen Mansy Director
    Buy
    $25K 5,000 shares at $4.96 +24% to stake
    Traded May 14 Filed May 15
    ↗
15. Nicole E Bulgarino Director
    Buy
    $2,665 550 shares at $4.85 +5.2% to stake
    Traded May 14 Filed May 15
    ↗

Also filed in the last 12 months, not counted as buying or selling: 6 stock grants, 3 share withholdings for taxes, and 3 option exercises.