Machine signal
Active cluster buy — 8 distinct insiders, $5.4M, window ends Jul 29, 2026.
Figures computed from official regulatory filings — .
Analysttarget 7.31 USD (+40%) · consensus 4/5 · 2 buy · 2 hold · 0 sell
Ownershipinsiders 13.7% · institutions 80.13% · short 6.8% of float
In USD · as of Oct 5, 2026
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Data for HUDSON TECHNOLOGIES INC /NY only. No web search. Global per-insider statistics are excluded.
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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.
Market information source · Oct 5, 2026
SEC company identity · Oct 5, 2026
Open-market timeline · full history
92 buys326 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details |
|---|---|---|---|---|
| Hartree Partners, LPtrack record | Buy | $604.4K | conv 32 |
| Hartree Partners, LPtrack record | Buy | $56.2K | conv 29 | SEC |
| Hartree Partners, LPtrack record | Buy | $12.8K | conv 29 | SEC |
| Hartree Partners, LPtrack record | Buy | $56.8K | conv 29 | SEC |
| Hartree Partners, LPtrack record | Buy | $27.1K | conv 29 | SEC |
| Hartree Partners, LPtrack record | Buy | $501.1K | conv 18 | SEC |
| Hartree Partners, LPtrack record | Buy | $52K | conv 18 | SEC |
| Hartree Partners, LPtrack record | Buy | $28.6K | conv 18 | SEC |
| Hartree Partners, LPtrack record | Buy | $312.1K | conv 39Cluster | SEC |
| Hartree Partners, LPtrack record | Buy | $285.7K | conv 38Cluster | SEC |
| Hartree Partners, LPtrack record | Buy | $106.9K | conv 38Cluster | SEC |
| Hartree Partners, LPtrack record | Buy | $27.8K | conv 30ClusterUnusual size | SEC |
| Hartree Partners, LPtrack record | Buy | $3.6K | conv 30Cluster | SEC |
| Hartree Partners, LPtrack record | Buy | $1.6M | conv 39Cluster | SEC |
| Hartree Partners, LPtrack record | Buy | $1.7M | conv 51Cluster | SEC |
| Hartree Partners, LPtrack record | Buy | $1.2M | conv 62ClusterFirst in 12mo | SEC |
| Prouty Eric Atrack record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Mansy Loan Nguyen | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Prouty Eric Atrack record | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Sheriff Alan | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Mansy Loan Nguyen | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Parrillo Richardtrack record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Feeler Jeffrey Rtrack record | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Feeler Jeffrey Rtrack record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Sheriff Alan | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |