Hudson Technologies Inc /NY (HDSN) insider trading
Every open-market stock purchase and sale by Hudson Technologies Inc /NY executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Hartree Partners LP (10% owner) bought $1.3M in the last 90 days.
Last 12 months: insiders bought $6.5M (19 buys) and sold $7.2M (2 sales). Last close $5.36 on Oct 22, 2026.
Recent HDSN insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Sep 24, 2026 | Hartree Partners LP (10% owner) | Bought | $604K |
| Sep 23, 2026 | Hartree Partners LP (10% owner) | Bought | $56.2K |
| Sep 21, 2026 | Hartree Partners LP (10% owner) | Bought | $12.8K |
| Sep 16, 2026 | Hartree Partners LP (10% owner) | Bought | $56.8K |
| Sep 2, 2026 | Hartree Partners LP (10% owner) | Bought | $27.1K |
| Aug 25, 2026 | Hartree Partners LP (10% owner) | Bought | $501K |
| Aug 24, 2026 | Hartree Partners LP (10% owner) | Bought | $52K |
| Aug 12, 2026 | Hartree Partners LP (10% owner) | Bought | $28.6K |
| Jul 21, 2026 | Hartree Partners LP (10% owner) | Bought | $286K |
| Jul 20, 2026 | Hartree Partners LP (10% owner) | Bought | $107K |
| Jul 7, 2026 | Hartree Partners LP (10% owner) | Bought | $3.6K |
| Jul 6, 2026 | Hartree Partners LP (10% owner) | Bought | $27.8K |
| Jul 2, 2026 | Hartree Partners LP (10% owner) | Bought | $1.6M |
| Jul 1, 2026 | Hartree Partners LP (10% owner) | Bought | $1.7M |
| Jun 30, 2026 | Hartree Partners LP (10% owner) | Bought | $1.2M |
| Jun 17, 2026 | Eric A Prouty (Director) | Bought (not open market) | — |
| Jun 17, 2026 | Eric A Prouty (Director) | Bought (not open market) | — |
| Jun 17, 2026 | Alan Sheriff (Director) | Bought (not open market) | — |
| Jun 17, 2026 | Nicole E Bulgarino (Director) | Bought (not open market) | — |
| Jun 17, 2026 | Jeffrey R Feeler (Director) | Bought (not open market) | — |
| Jun 17, 2026 | Jeffrey R Feeler (Director) | Bought (not open market) | — |
| Jun 17, 2026 | Loan Nguyen Mansy (Director) | Bought (not open market) | — |
| Jun 17, 2026 | Loan Nguyen Mansy (Director) | Bought (not open market) | — |
| Jun 17, 2026 | Richard Parrillo (Director) | Bought (not open market) | — |
| Jun 17, 2026 | Alan Sheriff (Director) | Bought (not open market) | — |
Who's trading HDSN
- Hartree Partners LP, 10% owner: bought $6.2M (15 buys), last Sep 24, 2026
- Nicole E Bulgarino, Director: bought $2.7K (1 buy), last Jun 17, 2026
- Alan Sheriff, Director: bought $25.4K (1 buy), last Jun 17, 2026
- Jeffrey R Feeler, Director: bought $25.1K (1 buy), last Jun 17, 2026
- Loan Nguyen Mansy, Director: bought $24.8K (2 buys), last Jun 17, 2026
- Richard Parrillo, Director: bought $73.1K (3 buys), last Jun 17, 2026
- Eric A Prouty, Director: bought $24.2K (1 buy), last Jun 17, 2026
- Brian J. Bertaux, CFO: bought $9.7K (1 buy), last May 19, 2026
- Kenneth Gaglione, CEO: bought $24.5K (1 buy), last May 13, 2026
- Kathleen Houghton, VP: other filings, last Jan 8, 2026
- Brian F Coleman, CEO: sold $7.2M (2 sales), last Dec 5, 2025
- Vincent P Abbatecola, Director: bought $23.7K (1 buy), last Nov 17, 2025
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