1 insider has bought $4.9m of HUDSON TECHNOLOGIES INC /NY shares across 5 disclosed dealings since June 2026. 5 of those have been scored against our six-point signal check.
| Jul 21, 2026 | Hartree Partners, LP — 10% owner | $285,742 |
| Jul 20, 2026 | Hartree Partners, LP — 10% owner | $106,859 |
| Jul 2, 2026 | Hartree Partners, LP — 10% owner | $1,619,212 |
| Jul 1, 2026 | Hartree Partners, LP — 10% owner | $1,695,101 |
| Jun 30, 2026 | Hartree Partners, LP — 10% owner | $1,162,894 |
Hudson Technologies, Inc., through its subsidiary, Hudson Technologies Company, provides solutions to recurring problems within the refrigeration industry in the United States. The company offers refrigerant and industrial gas; refrigerant management services comprising primarily of reclamation of refrigerants, laboratory testing through its laboratory, and banking storage services; and RefrigerantSide Services comprising system decontamination to remove moisture, oils, and other contaminants intended to restore systems to designed capacity. It also provides diagnostic services for use in the prediction of potential problems in air conditioning, process cooling, and refrigeration systems; Chiller Chemistry, which integrates several fluid tests of an operating system and the corresponding laboratory results into an engineering report; Fluid Chemistry for use in identification of systems that require further examination; and SmartEnergy OPS, a system for measuring, modifying, and improving the efficiency of energy systems, including air conditioning and refrigeration systems, in industrial and commercial applications. In addition, the company provides a snapshot of a packaged chiller's operating efficiency and health through ChillSmart, a maintenance tool. Further, it is involved in the generation of carbon offset projects. The company serves commercial, industrial, and governmental customers, as well as refrigerant wholesalers, distributors, contractors, and refrigeration equipment manufacturers. Hudson Technologies, Inc. was founded in 1990 and is headquartered in Woodcliff Lake, New Jersey.