Hartree Partners, Lp
10% owner
Buy
Calculated transaction value
$175.48K
41,290 shares @ $4.25
Traded
Nov 2, 2026
Filed
Nov 2, 2026
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Hudson Technologies Inc
HDSN
Wholesale TradeWholesale Trade - Durable
Transactions reported in official disclosures
Price with disclosed trades
Daily closes, past year · marks sit on transaction dates, sized by value
29 trades
| Reporting person | Filed | Transaction | Transaction value | Source | Actions |
|---|---|---|---|---|---|
| Hartree Partners, Lp 10% owner | Nov 2, 2026 Same-day filing | Buy Nov 2, 2026 | $175.48K Filed shares x price | SEC Form 4 View filing | |
| Hartree Partners, Lp 10% owner | Nov 2, 2026 3-day lag | Buy Oct 30, 2026 | $249.51K Filed shares x price | SEC Form 4 View filing | |
| Hartree Partners, Lp 10% owner | Nov 2, 2026 4-day lag | Buy Oct 29, 2026 | $888.6K Filed shares x price | SEC Form 4 View filing | |
| Hartree Partners, Lp 10% owner | Sep 28, 2026 4-day lag | Buy Sep 24, 2026 | $604.45K Filed shares x price | SEC Form 4 View filing | |
| Hartree Partners, Lp 10% owner | Sep 23, 2026 Same-day filing | Buy Sep 23, 2026 | $56.17K Filed shares x price | SEC Form 4 View filing | |
| Hartree Partners, Lp 10% owner | Sep 23, 2026 2-day lag | Buy Sep 21, 2026 | $12.76K Filed shares x price | SEC Form 4 View filing | |
| Hartree Partners, Lp 10% owner | Sep 18, 2026 2-day lag | Buy Sep 16, 2026 | $56.79K Filed shares x price | SEC Form 4 View filing | |
| Hartree Partners, Lp 10% owner | Sep 4, 2026 2-day lag | Buy Sep 2, 2026 | $27.12K Filed shares x price | SEC Form 4 View filing | |
| Hartree Partners, Lp 10% owner | Aug 26, 2026 1-day lag | Buy Aug 25, 2026 | $501.09K Filed shares x price | SEC Form 4 View filing | |
| Hartree Partners, Lp 10% owner | Aug 26, 2026 2-day lag | Buy Aug 24, 2026 | $51.95K Filed shares x price | SEC Form 4 View filing | |
| Hartree Partners, Lp 10% owner | Aug 14, 2026 2-day lag | Buy Aug 12, 2026 | $28.59K Filed shares x price | SEC Form 4 View filing | |
| Hartree Partners, Lp 10% owner | Jul 31, 2026 2-day lag | Buy Jul 29, 2026 | $312.1K Filed shares x price | SEC Form 4 View filing | |
| Hartree Partners, Lp 10% owner | Jul 22, 2026 1-day lag | Buy Jul 21, 2026 | $285.74K Filed shares x price | SEC Form 4 View filing | |
| Hartree Partners, Lp 10% owner | Jul 22, 2026 2-day lag | Buy Jul 20, 2026 | $106.86K Filed shares x price | SEC Form 4 View filing | |
| Hartree Partners, Lp 10% owner | Jul 8, 2026 1-day lag | Buy Jul 7, 2026 | $3.59K Filed shares x price | SEC Form 4 View filing | |
| Hartree Partners, Lp 10% owner | Jul 8, 2026 2-day lag | Buy Jul 6, 2026 | $27.76K Filed shares x price | SEC Form 4 View filing | |
| Hartree Partners, Lp 10% owner | Jul 2, 2026 Same-day filing | Buy Jul 2, 2026 | $1.62M Filed shares x price | SEC Form 4 View filing | |
| Hartree Partners, Lp 10% owner | Jul 2, 2026 1-day lag | Buy Jul 1, 2026 | $1.7M Filed shares x price | SEC Form 4 View filing | |
| Hartree Partners, Lp 10% owner | Jul 2, 2026 2-day lag | Buy Jun 30, 2026 | $1.16M Filed shares x price | SEC Form 4 View filing | |
| Prouty Eric A Director | Jun 22, 2026 5-day lag | Award Jun 17, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Mansy Loan Nguyen Director | Jun 22, 2026 5-day lag | Award Jun 17, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Sheriff Alan Director | Jun 22, 2026 5-day lag | Award Jun 17, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Sheriff Alan Director | Jun 22, 2026 5-day lag | Award Jun 17, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Mansy Loan Nguyen Director | Jun 22, 2026 5-day lag | Award Jun 17, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Feeler Jeffrey R Director | Jun 22, 2026 5-day lag | Award Jun 17, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Feeler Jeffrey R Director | Jun 22, 2026 5-day lag | Award Jun 17, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Prouty Eric A Director | Jun 22, 2026 5-day lag | Award Jun 17, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Bulgarino Nicole E Director | Jun 22, 2026 5-day lag | Award Jun 17, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Parrillo Richard Director | Jun 22, 2026 5-day lag | Award Jun 17, 2026 | $0 Filed shares x price | SEC Form 4 View filing |
Hartree Partners, Lp
10% owner
Buy
Calculated transaction value
$249.51K
58,710 shares @ $4.25
Traded
Oct 30, 2026
Filed
Nov 2, 2026
Hartree Partners, Lp
10% owner
Buy
Calculated transaction value
$888.6K
200,000 shares @ $4.44
Traded
Oct 29, 2026
Filed
Nov 2, 2026
Hartree Partners, Lp
10% owner
Buy
Calculated transaction value
$604.45K
118,549 shares @ $5.1
Traded
Sep 24, 2026
Filed
Sep 28, 2026
Hartree Partners, Lp
10% owner
Buy
Calculated transaction value
$56.17K
11,013 shares @ $5.1
Traded
Sep 23, 2026
Filed
Sep 23, 2026
Hartree Partners, Lp
10% owner
Buy
Calculated transaction value
$12.76K
2,502 shares @ $5.1
Traded
Sep 21, 2026
Filed
Sep 23, 2026
Hartree Partners, Lp
10% owner
Buy
Calculated transaction value
$56.79K
11,136 shares @ $5.1
Traded
Sep 16, 2026
Filed
Sep 18, 2026
Hartree Partners, Lp
10% owner
Buy
Calculated transaction value
$27.12K
5,317 shares @ $5.1
Traded
Sep 2, 2026
Filed
Sep 4, 2026
Hartree Partners, Lp
10% owner
Buy
Calculated transaction value
$501.09K
91,166 shares @ $5.5
Traded
Aug 25, 2026
Filed
Aug 26, 2026
Hartree Partners, Lp
10% owner
Buy
Calculated transaction value
$51.95K
9,446 shares @ $5.5
Traded
Aug 24, 2026
Filed
Aug 26, 2026
Hartree Partners, Lp
10% owner
Buy
Calculated transaction value
$28.59K
5,198 shares @ $5.5
Traded
Aug 12, 2026
Filed
Aug 14, 2026
Hartree Partners, Lp
10% owner
Buy
Calculated transaction value
$312.1K
52,104 shares @ $5.99
Traded
Jul 29, 2026
Filed
Jul 31, 2026
Hartree Partners, Lp
10% owner
Buy
Calculated transaction value
$285.74K
47,708 shares @ $5.99
Traded
Jul 21, 2026
Filed
Jul 22, 2026
Hartree Partners, Lp
10% owner
Buy
Calculated transaction value
$106.86K
17,842 shares @ $5.99
Traded
Jul 20, 2026
Filed
Jul 22, 2026
Hartree Partners, Lp
10% owner
Buy
Calculated transaction value
$3.59K
600 shares @ $5.99
Traded
Jul 7, 2026
Filed
Jul 8, 2026
Hartree Partners, Lp
10% owner
Buy
Calculated transaction value
$27.76K
4,634 shares @ $5.99
Traded
Jul 6, 2026
Filed
Jul 8, 2026
Hartree Partners, Lp
10% owner
Buy
Calculated transaction value
$1.62M
271,302 shares @ $5.97
Traded
Jul 2, 2026
Filed
Jul 2, 2026
Hartree Partners, Lp
10% owner
Buy
Calculated transaction value
$1.7M
288,111 shares @ $5.88
Traded
Jul 1, 2026
Filed
Jul 2, 2026
Hartree Partners, Lp
10% owner
Buy
Calculated transaction value
$1.16M
204,789 shares @ $5.68
Traded
Jun 30, 2026
Filed
Jul 2, 2026
Prouty Eric A
Director
Award
Calculated transaction value
$0
21,186 shares @ $0
Traded
Jun 17, 2026
Filed
Jun 22, 2026
Mansy Loan Nguyen
Director
Award
Calculated transaction value
$0
21,186 shares @ $0
Traded
Jun 17, 2026
Filed
Jun 22, 2026
Sheriff Alan
Director
Award
Calculated transaction value
$0
15,360 shares @ $0
Traded
Jun 17, 2026
Filed
Jun 22, 2026
Sheriff Alan
Director
Award
Calculated transaction value
$0
3,219 shares @ $0
Traded
Jun 17, 2026
Filed
Jun 22, 2026
Mansy Loan Nguyen
Director
Award
Calculated transaction value
$0
8,881 shares @ $0
Traded
Jun 17, 2026
Filed
Jun 22, 2026
Feeler Jeffrey R
Director
Award
Calculated transaction value
$0
15,360 shares @ $0
Traded
Jun 17, 2026
Filed
Jun 22, 2026
Feeler Jeffrey R
Director
Award
Calculated transaction value
$0
3,219 shares @ $0
Traded
Jun 17, 2026
Filed
Jun 22, 2026
Prouty Eric A
Director
Award
Calculated transaction value
$0
4,440 shares @ $0
Traded
Jun 17, 2026
Filed
Jun 22, 2026
Bulgarino Nicole E
Director
Award
Calculated transaction value
$0
31,780 shares @ $0
Traded
Jun 17, 2026
Filed
Jun 22, 2026
Parrillo Richard
Director
Award
Calculated transaction value
$0
31,780 shares @ $0
Traded
Jun 17, 2026
Filed
Jun 22, 2026