# EDGAR Filing Document

**Accession Number:** 0000925528
**File Stem:** 9999999995-23-000166
**Filing Date:** 2023-1
**Character Count:** 1464
**Document Hash:** 94878b4e206ad6ecea93b21420e41e60
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**9999999995-23-000166.hdr.sgml**: 20230124

**ACCESSION NUMBER**: 9999999995-23-000166

**CONFORMED SUBMISSION TYPE**: EFFECT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230123

**DATE AS OF CHANGE**: 20230124

**EFFECTIVENESS DATE**: 20230123

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** HUDSON TECHNOLOGIES INC /NY
- **CENTRAL INDEX KEY:** 0000925528
- **STANDARD INDUSTRIAL CLASSIFICATION:** WHOLESALE-MACHINERY, EQUIPMENT & SUPPLIES [5080]
- **IRS NUMBER:** 133641539
- **STATE OF INCORPORATION:** NY
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** EFFECT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-269221
- **FILM NUMBER:** 23545779

**BUSINESS ADDRESS:**
- **STREET 1:** PO BOX 1541
- **STREET 2:** ONE BLUE HILL PLAZA, 14TH FLOOR
- **CITY:** PEARL RIVER
- **STATE:** NY
- **ZIP:** 10965
- **BUSINESS PHONE:** 8457356000

**MAIL ADDRESS:**
- **STREET 1:** PO BOX 1541
- **STREET 2:** ONE BLUE HILL PLAZA, 14TH FLOOR
- **CITY:** PEARL RIVER
- **STATE:** NY
- **ZIP:** 10965

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** REFRIGERANT RECLAMATION INDUSTRIES INC
- **DATE OF NAME CHANGE:** 19940617

### UNITED STATES
### SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## Notice of Effectiveness

**Date:** January 23, 2023

**Time:** 16:00:00

**Form Type:** S-3

---

**CIK:** 0000925528

**Company Name:** HUDSON TECHNOLOGIES INC /NY

**File Number:** 333-269221