Viskase Holdings, Inc. — SC 13G Filings
49 SC 13G filings on record
This page lists all SC 13G 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 49 SC 13G 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 |
|---|---|---|---|---|
| SC 13G | SCHEDULE 13G | 0001144204-18-007007 | Feb 9, 2018 | — |
| SC 13G | SC 13G | 0001062993-18-000271 | Jan 22, 2018 | — |
| SC 13G | THE SCHEDULE 13G | 0000921895-17-001629 | May 24, 2017 | — |
| SC 13G | ENZON PHARMACEUTICALS, INC. | 0001037389-16-000156 | Feb 12, 2016 | — |
| SC 13G | SC 13G | 0001193125-14-096618 | Mar 13, 2014 | — |
| SC 13G | — | 0000932471-13-004167 | Feb 12, 2013 | — |
| SC 13G | SCHEDULE 13G - ENZON PHARMACEUTICALS, INC. | 0000906344-13-000004 | Jan 2, 2013 | — |
| SC 13G | — | 0001033427-11-000063 | Oct 6, 2011 | — |
| SC 13G | ENZON PHARMACEUTICALS, INC. | 0000902664-11-000781 | Apr 21, 2011 | — |
| SC 13G | ENZ13GSUBMISSION | 0001080171-10-000009 | Feb 16, 2010 | — |
| SC 13G | — | 0001319244-10-000015 | Feb 5, 2010 | — |
| SC 13G | — | 0001086364-10-007312 | Jan 29, 2010 | — |
| SC 13G | ENZN13G | 0001061768-09-000154 | Nov 9, 2009 | — |
| SC 13G | SCHEDULE 13G | 0001362310-09-002013 | Feb 13, 2009 | — |
| SC 13G | SC 13G | 0001047469-09-000934 | Feb 11, 2009 | — |
| SC 13G | INITIAL | 0000948046-09-000043 | Feb 6, 2009 | — |
| SC 13G | — | 0000913414-09-003378 | Feb 5, 2009 | — |
| SC 13G | — | 0000093748-08-000079 | Feb 14, 2008 | — |
| SC 13G | ENZON PHARMACEUTICALS | 0000932471-08-000169 | Feb 11, 2008 | — |
| SC 13G | — | 0000913414-08-003987 | Feb 5, 2008 | — |
| SC 13G | INITIAL SCHEDULE 13G | 0000728889-08-000181 | Feb 5, 2008 | — |
| SC 13G | — | 0000093748-07-000100 | Aug 10, 2007 | — |
| SC 13G | SCHEDULE 13G | 0001047469-07-005521 | Jul 10, 2007 | — |
| SC 13G | INITIAL FILING | 0000932471-07-000391 | Feb 14, 2007 | — |
| SC 13G | SCHEDULE 13G | 0001193805-07-000329 | Feb 12, 2007 | — |
| SC 13G | — | 0000913414-07-001768 | Jan 23, 2007 | — |
| SC 13G | — | 0001033427-07-000006 | Jan 10, 2007 | — |
| SC 13G | — | 0001144204-06-047798 | Nov 15, 2006 | — |
| SC 13G | ENZON PHARMACEUTICALS, INC. | 0000902664-06-001598 | May 26, 2006 | — |
| SC 13G | — | 0001056829-06-000066 | May 26, 2006 | — |
| SC 13G | FORM 13G | 0000921530-06-000117 | Feb 14, 2006 | — |
| SC 13G | — | 0000913414-06-000847 | Jan 26, 2006 | — |
| SC 13G | — | 0001012975-05-000343 | Oct 11, 2005 | — |
| SC 13G | DOC ONE | 0000315066-05-000685 | Feb 14, 2005 | — |
| SC 13G | — | 0000913414-05-000240 | Feb 14, 2005 | — |
| SC 13G | SCHEDULE 13G | 0001193125-04-022973 | Feb 13, 2004 | — |
| SC 13G | — | 0000216543-04-000039 | Feb 4, 2004 | — |
| SC 13G | SC 13G | 0001047469-03-020213 | May 30, 2003 | — |
| SC 13G | SCHEDULE 13G ORBIMED ADVISORS INC. (ENZON, INC.) | 0000947871-02-001233 | Jun 21, 2002 | — |
| SC 13G | SCHEDULE 13G - ISALY - ENZON | 0000947871-02-001235 | Jun 21, 2002 | — |
| SC 13G | SCHEDULE 13G - ORBIMED ADVISORS LLC - ENZON | 0000947871-02-001236 | Jun 21, 2002 | — |
| SC 13G | DOC ONE | 0000315066-02-001238 | Feb 14, 2002 | — |
| SC 13G | — | 0000812295-01-500023 | Jul 11, 2001 | — |
| SC 13G | — | 0000766524-01-500096 | Feb 15, 2001 | — |
| SC 13G | SCHEDULE 13G | 0001005477-00-002008 | Mar 8, 2000 | — |
| SC 13G | — | 0000812295-99-000031 | Feb 12, 1999 | — |
| SC 13G | — | 0000902664-99-000009 | Jan 8, 1999 | — |
| SC 13G | SC 13G | 0000922423-98-000716 | Jul 23, 1998 | — |
| SC 13G | — | 0000950135-95-000503 | Mar 3, 1995 | — |