HUDSON TECHNOLOGIES INC /NY — DEF 14A Filings
30 DEF 14A filings on record
This page lists all DEF 14A filings submitted to the SEC by HUDSON TECHNOLOGIES INC /NY (HDSN), sorted by most recent first. Each row links to the full filing on EdgarLookup. HUDSON TECHNOLOGIES INC /NY has filed 30 DEF 14A documents with the SEC since 2004. To view all SEC filings by HUDSON TECHNOLOGIES INC /NY, see the full filings list.
All
10-K
10-K/A
10-Q
10KSB
10KSB/A
10KSB40
10QSB
10QSB/A
11-K
144
3
4
4/A
424B3
424B5
5
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEFA14A
DEFR14A
DEFS14A
EFFECT
NT 10-K
NT 10-Q
PRE 14A
PRER14A
PRES14A
REGDEX
REGDEX/A
S-3
S-3/A
S-3MEF
S-8
SB-2
SB-2/A
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC TO-I
SC TO-I/A
SCHEDULE 13D
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| DEF 14A | DEF 14A | 0001104659-25-039079 | Apr 25, 2025 | Jun 11, 2025 |
| DEF 14A | FORM-DEF14A | 0001104659-24-051957 | Apr 25, 2024 | Jun 12, 2024 |
| DEF 14A | DEF14A | 0001104659-23-050402 | Apr 26, 2023 | — |
| DEF 14A | DEF 14A | 0001104659-22-050091 | Apr 26, 2022 | Jun 9, 2022 |
| DEF 14A | DEF 14A | 0001104659-21-056546 | Apr 28, 2021 | Jun 10, 2021 |
| DEF 14A | DEF 14A | 0001104659-20-052382 | Apr 28, 2020 | Jun 11, 2020 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001144204-19-021397 | Apr 26, 2019 | Jun 11, 2019 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001144204-18-021750 | Apr 23, 2018 | Jun 7, 2018 |
| DEF 14A | DEF 14A | 0001144204-17-022627 | Apr 27, 2017 | Jun 8, 2017 |
| DEF 14A | DEF 14A | 0001144204-16-113810 | Jul 21, 2016 | Aug 24, 2016 |
| DEF 14A | DEF 14A | 0001144204-15-043659 | Jul 22, 2015 | Aug 26, 2015 |
| DEF 14A | DEF 14A | 0001144204-14-048885 | Aug 12, 2014 | Sep 17, 2014 |
| DEF 14A | DEF 14A | 0001144204-13-041667 | Jul 29, 2013 | Aug 27, 2013 |
| DEF 14A | FORM DEF 14A | 0001144204-12-038370 | Jul 6, 2012 | Aug 7, 2012 |
| DEF 14A | — | 0001144204-11-043318 | Aug 2, 2011 | Aug 25, 2011 |
| DEF 14A | — | 0001144204-10-037953 | Jul 15, 2010 | Aug 10, 2010 |
| DEF 14A | HUDSON TECHNOLOGIES SCHEDULE 14A | 0001010541-09-000011 | Jul 24, 2009 | Dec 31, 2008 |
| DEF 14A | — | 0001144204-08-042333 | Jul 29, 2008 | Aug 27, 2008 |
| DEF 14A | HUDSON TECHNOLOGIES SCHEDULE 14A | 0001010541-07-000053 | Nov 13, 2007 | Dec 31, 2006 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001010541-06-000044 | Oct 16, 2006 | Dec 31, 2005 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001010541-05-000030 | Jun 3, 2005 | Dec 31, 2004 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001010541-04-000031 | Aug 18, 2004 | Dec 31, 2003 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001169232-03-006873 | Nov 26, 2003 | Dec 19, 2003 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001169232-02-003180 | Nov 21, 2002 | Dec 20, 2002 |
| DEF 14A | FORM DEF 14A | 0000891554-01-503674 | Jul 27, 2001 | Aug 23, 2001 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000950116-00-001728 | Jul 27, 2000 | Aug 24, 2000 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000891554-99-001487 | Jul 22, 1999 | Aug 19, 1999 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000950116-98-001521 | Jul 16, 1998 | Aug 21, 1998 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000891554-97-000599 | Jun 26, 1997 | Jul 24, 1997 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000950116-96-000674 | Jul 23, 1996 | Aug 16, 1996 |