0001449374-21-000062.txt : 20211117 0001449374-21-000062.hdr.sgml : 20211117 20211117172832 ACCESSION NUMBER: 0001449374-21-000062 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20211115 FILED AS OF DATE: 20211117 DATE AS OF CHANGE: 20211117 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Krishnamurti Nat CENTRAL INDEX KEY: 0001478411 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-13412 FILM NUMBER: 211421629 MAIL ADDRESS: STREET 1: C/O INVENTIV HEALTH, INC. STREET 2: 500 ATRIUM DRIVE CITY: SOMERSET STATE: NJ ZIP: 08873 ISSUER: 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 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 4 1 edgar.xml PRIMARY DOCUMENT X0306 4 2021-11-15 0000925528 HUDSON TECHNOLOGIES INC /NY HDSN 0001478411 Krishnamurti Nat C/O HUDSON TECHNOLOGIES, INC. ONE BLUE HILL PLAZA, P.O. BOX 1541 PEARL RIVER NY 10965 0 1 0 0 CFO Common Stock 2021-11-15 4 M 0 195700 1.09 A 210482 D Common Stock 2021-11-15 4 F 0 102701 4.7 D 107781 D Common Stock 2021-11-15 4 M 0 247100 1.09 A 354881 D Common Stock 2021-11-15 4 F 0 129674 4.7 D 225207 D Common Stock 2021-11-17 4 S 0 200000 4.76 D 25207 D Stock Option 1.09 2021-11-15 4 M 0 195700 0 D 2018-11-30 2021-11-30 Common Stock 195700 0 D Stock Option 1.09 2021-11-15 4 M 0 247100 0 D 2020-04-10 2021-11-30 Common Stock 247100 0 D Exercise of options expiring 11/30/2021. /s/Nat Krishnamurti 2021-11-17