Viskase Holdings, Inc. — 4 Filings
429 4 filings on record
This page lists all 4 filings submitted to the SEC by Viskase Holdings, Inc. (ENZN), sorted by most recent first. Each row links to the full filing on EdgarLookup. Viskase Holdings, Inc. has filed 429 4 documents with the SEC since 2004. To view all SEC filings by Viskase Holdings, Inc., see the full filings list.
All
10-C
10-K
10-K/A
10-Q
10-Q/A
15-12G
25-NSE
3
3/A
4
4/A
424B3
424B4
424B7
425
5
8-A12B
8-A12G
8-A12G/A
8-K
8-K/A
ARS
CORRESP
CT ORDER
DEF 14A
DEFA14A
DEFM14A
DEFR14A
DFAN14A
DRS
EFFECT
NT 10-K
NT 10-Q
POS AM
PRE 14A
PREC14A
PREM14A
PRER14A
PRRN14A
S-1
S-1/A
S-3
S-3/A
S-4
S-4/A
S-8
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC 14F1
SC TO-C
SC TO-I
SC TO-I/A
SCHEDULE 13D/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001012975-26-000274 | Mar 27, 2026 | Mar 25, 2026 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-23-072222 | Jun 16, 2023 | Jun 14, 2023 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-21-002138 | Aug 17, 2021 | Aug 13, 2021 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-20-126957 | Nov 18, 2020 | Nov 16, 2020 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-20-126458 | Nov 17, 2020 | Nov 13, 2020 |
| 4 | FORM 4 | 0001567619-20-017815 | Oct 14, 2020 | Oct 9, 2020 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-20-002331 | Aug 26, 2020 | Aug 24, 2020 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-20-002115 | Aug 6, 2020 | Aug 5, 2020 |
| 4 | — | 0001193805-20-000418 | Mar 27, 2020 | Mar 13, 2020 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-19-000500 | Feb 14, 2019 | Feb 11, 2019 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-19-000048 | Jan 9, 2019 | Apr 13, 2018 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-19-000047 | Jan 9, 2019 | Apr 13, 2018 |
| 4 | FORM 4 | 0001140361-16-088016 | Nov 29, 2016 | Nov 28, 2016 |
| 4 | FORM 4 | 0001140361-14-043674 | Nov 28, 2014 | Nov 28, 2012 |
| 4 | OWNERSHIP DOCUMENT | 0001144204-13-051642 | Sep 19, 2013 | Sep 17, 2013 |
| 4 | OWNERSHIP DOCUMENT | 0001144204-13-004109 | Jan 25, 2013 | Jan 23, 2013 |
| 4 | OWNERSHIP DOCUMENT | 0001144204-13-004103 | Jan 25, 2013 | Jan 23, 2013 |
| 4 | OWNERSHIP DOCUMENT | 0001144204-13-004105 | Jan 25, 2013 | Jan 23, 2013 |
| 4 | OWNERSHIP DOCUMENT | 0001144204-13-000678 | Jan 4, 2013 | Jan 2, 2013 |
| 4 | OWNERSHIP DOCUMENT | 0001144204-13-000668 | Jan 4, 2013 | Jan 2, 2013 |
| 4 | OWNERSHIP DOCUMENT | 0001144204-13-000666 | Jan 4, 2013 | Jan 2, 2013 |
| 4 | OWNERSHIP DOCUMENT | 0001144204-13-000671 | Jan 4, 2013 | Jan 2, 2013 |
| 4 | OWNERSHIP DOCUMENT | 0001144204-13-000673 | Jan 4, 2013 | Jan 2, 2013 |
| 4 | OWNERSHIP DOCUMENT | 0001144204-13-000676 | Jan 4, 2013 | Jan 2, 2013 |
| 4 | OWNERSHIP DOCUMENT | 0001144204-12-060400 | Nov 8, 2012 | Nov 7, 2012 |
| 4 | OWNERSHIP DOCUMENT | 0001144204-12-046171 | Aug 15, 2012 | Aug 14, 2012 |
| 4 | OWNERSHIP DOCUMENT | 0001144204-12-044710 | Aug 13, 2012 | Aug 10, 2012 |
| 4 | OWNERSHIP DOCUMENT | 0001144204-12-038070 | Jul 3, 2012 | Jul 2, 2012 |
| 4 | OWNERSHIP DOCUMENT | 0001144204-12-038074 | Jul 3, 2012 | Jul 2, 2012 |
| 4 | OWNERSHIP DOCUMENT | 0001144204-12-038077 | Jul 3, 2012 | Jul 2, 2012 |
| 4 | OWNERSHIP DOCUMENT | 0001144204-12-038081 | Jul 3, 2012 | Jul 2, 2012 |
| 4 | OWNERSHIP DOCUMENT | 0001144204-12-038064 | Jul 3, 2012 | Jul 2, 2012 |
| 4 | OWNERSHIP DOCUMENT | 0001144204-12-038067 | Jul 3, 2012 | Jul 2, 2012 |
| 4 | OWNERSHIP DOCUMENT | 0000930413-12-003658 | Jun 21, 2012 | Jun 20, 2012 |
| 4 | OWNERSHIP DOCUMENT | 0000930413-12-003455 | Jun 6, 2012 | Jun 5, 2012 |
| 4 | OWNERSHIP DOCUMENT | 0000930413-12-003456 | Jun 6, 2012 | Jun 5, 2012 |
| 4 | OWNERSHIP DOCUMENT | 0000930413-12-001901 | Mar 29, 2012 | Mar 28, 2012 |
| 4 | OWNERSHIP DOCUMENT | 0000930413-12-001600 | Mar 16, 2012 | Mar 15, 2012 |
| 4 | FORM 4 | 0001140361-12-011943 | Feb 29, 2012 | Feb 27, 2012 |
| 4 | OWNERSHIP DOCUMENT | 0000930413-12-000228 | Jan 19, 2012 | Jan 17, 2012 |
| 4 | OWNERSHIP DOCUMENT | 0000930413-12-000229 | Jan 19, 2012 | Jan 17, 2012 |
| 4 | OWNERSHIP DOCUMENT | 0000930413-12-000226 | Jan 19, 2012 | Jan 17, 2012 |
| 4 | OWNERSHIP DOCUMENT | 0000930413-12-000230 | Jan 19, 2012 | Jan 17, 2012 |
| 4 | OWNERSHIP DOCUMENT | 0000930413-12-000227 | Jan 19, 2012 | Jan 17, 2012 |
| 4 | OWNERSHIP DOCUMENT | 0000930413-12-000043 | Jan 5, 2012 | Jan 3, 2012 |
| 4 | OWNERSHIP DOCUMENT | 0000930413-12-000044 | Jan 5, 2012 | Jan 3, 2012 |
| 4 | OWNERSHIP DOCUMENT | 0000930413-12-000045 | Jan 5, 2012 | Jan 3, 2012 |
| 4 | OWNERSHIP DOCUMENT | 0000930413-12-000046 | Jan 5, 2012 | Jan 3, 2012 |
| 4 | OWNERSHIP DOCUMENT | 0000930413-12-000047 | Jan 5, 2012 | Jan 3, 2012 |
| 4 | OWNERSHIP DOCUMENT | 0000930413-12-000048 | Jan 5, 2012 | Jan 3, 2012 |