Viskase Holdings, Inc. ENZN (last ticker on record)

CIK 727510Its SEC filings (opens in a new tab)

Restatement
Restructuring
95% wipeout
Delisting notice (not a red flag)

These figures describe clients, not conduct. A lawyer or firm can serve many companies that later had trouble for reasons that have nothing to do with their work, and nothing here says any lawyer or firm did anything wrong.

Red flags: 3; Newest began Apr 2014
Largest fall in its shares: 99%; Mar 2004 to Dec 2025
Law firms: 15; Linked to 5 or more companies
Lawyers: 9; Linked to 5 or more companies

What happened

May 16, 2016Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Nov 12, 2015Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Jun 12, 2014Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
May 9, 2014Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Apr 10, 2014Shares down 95% from their high
Mar 25, 2014Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Mar 26, 2013Exit or disposal costs (Item 2.05)Form 8-K (opens in a new tab)
Dec 20, 2012Exit or disposal costs (Item 2.05)Form 8-K (opens in a new tab)
Sep 22, 2011Exit or disposal costs (Item 2.05)Form 8-K (opens in a new tab)
Dec 7, 2010Exit or disposal costs (Item 2.05)Form 8-K (opens in a new tab)
Feb 5, 2007Exit or disposal costs (Item 2.05)Form 8-K (opens in a new tab)
Sep 1, 2005Said its accounts could not be relied on (Item 4.02)Form 8-K (opens in a new tab)
Aug 16, 2005Said its accounts could not be relied on (Item 4.02)Form 8-K (opens in a new tab)
Apr 21, 2005Exit or disposal costs (Item 2.05)Form 8-K (opens in a new tab)
Oct 29, 2004Said its accounts could not be relied on (Item 4.02)Form 8-K (opens in a new tab)

An SEC release can name a company’s officer, or its stock as what a scheme sold or moved, so the company may be the victim. Each link goes to what to read.

Law firms

The ratios are about all the companies linked to each one, this one included: how many had that outcome, as a multiple of what comparable companies show. 1.00 means no more than expected.

Law firms linked to this company
Name	First linked	How it is known	Linked companies	SEC/DOJ scrutiny	Went dark	95% wipeout
Thompson Hine LLP	Sep 2020	Named in SEC correspondence	208	0.95	0.64	1.09
Curtis Mallet-Prevost Colt & Mosle	Aug 2012	Named in SEC correspondence	35	1.49	0.00	2.03
Jenner & Block	May 2011	Named in a filing	122	1.12	0.78	0.94
Skadden, Arps, Slate, Meagher & Flom LLP	Dec 2008	Named in SEC correspondence	2,607	1.15	0.19	0.85
Weil, Gotshal & Manges LLP	Jun 2006	Named in a filing	1,051	1.31	0.27	0.91
Heller Ehrman	Mar 2006	Named in SEC correspondence	256	1.00	0.76	0.96
Dorsey & Whitney LLP	Feb 1998	Named in a filing	630	0.83	0.73	1.16
ROSS & HARDIES	Mar 1996	Named in SEC correspondence	11	1.81	3.15	1.60
McGuireWoods LLP	Jan 2026	Text search only	358	0.97	0.85	1.11
Brownstein Hyatt Farber Schreck, LLP	Dec 2025	Text search only	223	0.67	0.75	0.97
Potter Anderson & Corroon	Dec 2025	Text search only	127	1.41	0.45	0.87
Proskauer Rose	Dec 2025	Text search only	492	1.15	0.48	1.08
Troutman Pepper Hamilton Sanders LLP	Dec 2025	Text search only	154	1.18	0.00	1.15
DLA Piper	Sep 2020	Text search only	1,184	1.00	0.45	1.20
Kleinberg Kaplan Wolff & Cohen	May 2009	Text search only	27	1.26	3.69	1.35

Lawyers

The ratios are about all the companies linked to each one, this one included: how many had that outcome, as a multiple of what comparable companies show. 1.00 means no more than expected.

Lawyers linked to this company
Name	First linked	How it is known	Linked companies	SEC/DOJ scrutiny	Went dark	95% wipeout
Adam J. AgronBrownstein Hyatt Farber Schreck, LLP	Dec 2025	Named in SEC correspondence	18	0.00	0.47	0.89
Todd E. MasonThompson Hine LLP	Sep 2020	Named in SEC correspondence	29	1.35	0.00	1.16
Lawrence GoodmanCurtis Mallet-Prevost Colt & Mosle	Aug 2012	Named in SEC correspondence	6	1.95	0.00	2.13
Richard J. GrossmanSkadden, Arps, Slate, Meagher & Flom LLP	Nov 2009	Named in SEC correspondence	48	0.33	0.00	0.99
Daniel E. StollerSkadden, Arps, Slate, Meagher & Flom LLP	May 2009	Named in SEC correspondence	7	0.00	0.00	3.80
Andrea L. NicolasSkadden, Arps, Slate, Meagher & Flom LLP	Dec 2008	Named in a filing	33	1.41	0.00	1.43
Todd R. ChandlerWeil, Gotshal & Manges LLP	Jun 2006	Named in a filing	38	0.35	0.00	0.78
Kevin T. CollinsJenner & Block	Mar 1996	Named in SEC correspondence	19	0.97	1.60	0.82
Christopher P. DavisKleinberg Kaplan Wolff & Cohen	Jan 2008	Text search only	17	0.65	4.87	1.91