HDSN insider buying
Every open-market purchase of Hudson Technologies Inc (HDSN) stock by its officers, directors and major shareholders, from SEC Form 4 filings.
Bought, last 12 months$6.73M
Insiders buying (12m)8
Purchases on record17
Last purchase filedSep 28, 2026
In the last 12 months, 8 insiders of Hudson Technologies Inc bought $6.73M of HDSN stock on the open market in 17 reported purchases. The most recent was filed on Sep 28, 2026: Hartree Partners, LP (10% Owner) bought 118,549 shares at $5.10, worth $604.60K. The largest purchase on record here is $4.48M by Hartree Partners, LP on Jun 30, 2026.
Get the next HDSN insider buy on TelegramFree daily recap of the biggest insider purchases, straight from SEC filings. Real-time alerts for Premium members.
Join free on TelegramAll HDSN insider purchases
| Filed | Insider | Value | Shares | Price | Stake | Trade | |
|---|---|---|---|---|---|---|---|
| Sep 28 | Hartree Partners, LP10% Owner | $604.60K | 118,549 | $5.10 | +2% | Sep 24 | SEC |
| Sep 23 | Hartree Partners, LP10% Owner | $68.93K | 13,515 | $5.10 | +0% | Sep 21 | SEC |
| Sep 18 | Hartree Partners, LP10% Owner | $56.79K | 11,136 | $5.10 | +0% | Sep 16 | SEC |
| Sep 4 | Hartree Partners, LP10% Owner | $27.12K | 5,317 | $5.10 | +0% | Sep 2 | SEC |
| Aug 26 | Hartree Partners, LP10% Owner | $553.37K | 100,612 | $5.50 | +2% | Aug 24 | SEC |
| Aug 14 | Hartree Partners, LP10% Owner | $28.59K | 5,198 | $5.50 | +0% | Aug 12 | SEC |
| Jul 31 | Hartree Partners, LP10% Owner | $312.10K | 52,104 | $5.99 | +1% | Jul 29 | SEC |
| Jul 22 | Hartree Partners, LP10% Owner | $392.64K | 65,550 | $5.99 | +1% | Jul 20 | SEC |
| Jul 8 | Hartree Partners, LP10% Owner | $31.35K | 5,234 | $5.99 | +0% | Jul 6 | SEC |
| Jul 2 | Hartree Partners, LP10% Owner | $4.48M | 764,202 | $5.86 | +21% | Jun 30 | SEC |
| May 15 | Mansy Loan NguyenDirector | $24.81K | 5,000 | $4.96 | +26% | May 14 | SEC |
| May 15 | Parrillo RichardDirector | $24.81K | 5,000 | $4.96 | +24% | May 14 | SEC |
| May 15 | Prouty Eric ADirector | $24.20K | 5,000 | $4.84 | +3% | May 13 | SEC |
| May 15 | Sheriff AlanDirector | $25.38K | 5,200 | $4.88 | +128% | May 13 | SEC |
| May 15 | Feeler Jeffrey RDirector | $25.09K | 5,100 | $4.92 | +126% | May 14 | SEC |
| May 15 | Gaglione KennethPresident and CEO, Director | $24.50K | 5,000 | $4.90 | new | May 13 | SEC |
| Nov 18 | Abbatecola Vincent PDirector | $23.77K | 3,500 | $6.79 | +2% | Nov 17 | SEC |