HDSN
HUDSON TECHNOLOGIES INC /NY
HUDSON TECHNOLOGIES INC /NY (HDSN) has 16 SEC Form 4 filings (22 transaction rows) in the rolling window, disclosed by 9 distinct insiders. Most recent filing: Jul 22, 2026.
The most active filer is 10% Owner Hartree Partners, LP with 7 filings. Insiders have net bought $5.1M over the trailing 6 months. The largest single insider purchase in this window was $1.7M by 10% Owner Hartree Partners, LP on Jul 1, 2026.
- Industry:Chemicals - Specialty
- CEO:Kenneth Gaglione
- Employees:238
- HQ:Woodcliff Lake, NJ, US
- IPO:1994-11-01
Insider Buying
$5.1M
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Unique Insiders
9
in the rolling window
Market Cap
$266.3M
latest known value
| Source | ||||||
|---|---|---|---|---|---|---|
| 10% Owner | Purchase | 17,842 | $107K | Jul 22 | SEC ↗ | |
| 10% Owner | Purchase | 47,708 | $286K | Jul 22 | SEC ↗ | |
| 10% Owner | Purchase | 4,634 | $28K | Jul 8 | SEC ↗ | |
| 10% Owner | Purchase | 600 | $4K | Jul 8 | SEC ↗ | |
Hartree Partners, LPFirst filing | 10% Owner | Purchase | 204,789 | $1.2M | Jul 2 | SEC ↗ |
Hartree Partners, LPFirst filing | 10% Owner | Purchase | 288,111 | $1.7M | Jul 2 | SEC ↗ |
Hartree Partners, LPFirst filing | 10% Owner | Purchase | 271,302 | $1.6M | Jul 2 | SEC ↗ |
| Director | Purchase | 10,000 | $48K | May 21 | SEC ↗ | |
Bertaux Brian J.First filing | Chief Financial Officer | Purchase | 2,000 | $10K | May 21 | SEC ↗ |
Bulgarino Nicole EFirst filing | Director | Purchase | 550 | $3K | May 15 | SEC ↗ |
Prouty Eric AFirst filing | Director | Purchase | 5,000 | $24K | May 15 | SEC ↗ |
Sheriff AlanFirst filing | Director | Purchase | 5,200 | $25K | May 15 | SEC ↗ |
Feeler Jeffrey RFirst filing | Director | Purchase | 5,100 | $25K | May 15 | SEC ↗ |
Gaglione KennethFirst filing | President and CEO | Purchase | 5,000 | $24K | May 15 | SEC ↗ |
Mansy Loan NguyenFirst filing | Director | Purchase | 5,000 | $25K | May 15 | SEC ↗ |
Parrillo RichardFirst filing | Director | Purchase | 5,000 | $25K | May 15 | SEC ↗ |
Related companies
HUDSON TECHNOLOGIES INC /NY is in the Wholesale Trade sector.