<SEC-DOCUMENT>0001104659-21-056557-index.html : 20210428 <SEC-HEADER>0001104659-21-056557.hdr.sgml : 20210428 <ACCEPTANCE-DATETIME>20210428160959 ACCESSION NUMBER: 0001104659-21-056557 CONFORMED SUBMISSION TYPE: DEFA14A PUBLIC DOCUMENT COUNT: 3 FILED AS OF DATE: 20210428 DATE AS OF CHANGE: 20210428 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: DEFA14A SEC ACT: 1934 Act SEC FILE NUMBER: 001-13412 FILM NUMBER: 21864324 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 </SEC-HEADER> <DOCUMENT> <TYPE>DEFA14A <SEQUENCE>1 <FILENAME>tm2112500d2_defa14a.htm <DESCRIPTION>DEFA14A <TEXT> Document 1 - file: tm2112500d2_defa14a.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>tm2112500-2_defa14aimg01.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: tm2112500-2_defa14aimg01.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>tm2112500-2_defa14aimg02.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: tm2112500-2_defa14aimg02.jpg
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