HUDSON TECHNOLOGIES INC /NY — SC 13G/A Filings
54 SC 13G/A filings on record
This page lists all SC 13G/A 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 54 SC 13G/A 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 |
|---|---|---|---|---|
| SC 13G/A | AMENDMENT NO. 2 TO SCHEDULE 13G | 0001193125-12-052639 | Feb 10, 2012 | — |
| SC 13G/A | HUDSON TECHNOLOGIES | 0001213206-12-000005 | Feb 1, 2012 | — |
| SC 13G/A | SCHEDULE 13G/A | 0000950123-11-081818 | Aug 31, 2011 | — |
| SC 13G/A | SC 13G/A FOR HDSN | 0001213206-11-000011 | Feb 1, 2011 | — |