Viskase Holdings, Inc. SEC filings VISK

Viskase Holdings, Inc. has 1,000 filings in SEC EDGAR's recent list, going back to Nov 17, 2004. Its latest annual report, Form 10-K, was filed on Mar 2, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 3, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on May 5, 2026 (material agreement, change to shareholder rights, bylaw or fiscal year change, regulation fd disclosure). The company's fiscal year ends on December 31.

Form Description Filed Period
10-K/A Amended annual report Apr 29, 2026 Dec 31, 2025
10-K Annual report Mar 2, 2026 Dec 31, 2025
10-K/A Amended annual report Apr 28, 2025 Dec 31, 2024
10-K Annual report Feb 21, 2025 Dec 31, 2024
ARS Annual report to shareholders Aug 8, 2024 Dec 31, 2023
10-K/A Amended annual report Apr 26, 2024 Dec 31, 2023
10-K Annual report Mar 20, 2024 Dec 31, 2023
ARS Annual report to shareholders Apr 20, 2023 Dec 31, 2022
10-K Annual report Feb 16, 2023 Dec 31, 2022
10-K Annual report Feb 25, 2022 Dec 31, 2021
10-K Annual report Feb 23, 2021 Dec 31, 2020
10-K/A Amended annual report Apr 24, 2020 Dec 31, 2019
10-K Annual report Feb 19, 2020 Dec 31, 2019
10-K/A Amended annual report Apr 25, 2019 Dec 31, 2018
10-K Annual report Feb 21, 2019 Dec 31, 2018
10-K/A Amended annual report Apr 25, 2018 Dec 31, 2017
10-K Annual report Mar 21, 2018 Dec 31, 2017
10-K/A Amended annual report Apr 28, 2017 Dec 31, 2016
10-K Annual report Mar 24, 2017 Dec 31, 2016
10-K/A Amended annual report Apr 28, 2016 Dec 31, 2015
10-K Annual report Mar 21, 2016 Dec 31, 2015
ARS Annual report to shareholders May 19, 2015 Dec 31, 2014
10-K/A Amended annual report Apr 24, 2015 Dec 31, 2014
10-K Annual report Mar 5, 2015 Dec 31, 2014
ARS Annual report to shareholders Apr 18, 2014 Dec 31, 2013
10-K Annual report Mar 14, 2014 Dec 31, 2013
ARS Annual report to shareholders Oct 15, 2013 Dec 31, 2012
10-K/A Amended annual report Apr 30, 2013 Dec 31, 2012
10-K Annual report Mar 18, 2013 Dec 31, 2012
ARS Annual report to shareholders Apr 6, 2012 Dec 31, 2011
10-K Annual report Mar 12, 2012 Dec 31, 2011
ARS Annual report to shareholders Apr 26, 2011 Dec 31, 2010
10-K Annual report Mar 16, 2011 Dec 31, 2010
10-K/A Amended annual report Jul 1, 2010 Dec 31, 2009
10-K/A Amended annual report Apr 15, 2010 Dec 31, 2009
10-K Annual report Mar 12, 2010 Dec 31, 2009
10-K Annual report Mar 9, 2009 Dec 31, 2008
10-K Annual report Feb 29, 2008 Dec 31, 2007
10-K Annual report Mar 2, 2007 Dec 31, 2006
10-K Annual report Mar 3, 2006 Dec 31, 2005
10-K Annual report Sep 29, 2005 Jun 30, 2005
10-K/A Amended annual report Sep 28, 2005 Jun 30, 2004
ARS Annual report to shareholders Nov 22, 2004 Jun 30, 2004

Showing 43 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.

Company profile

Industry
Biological Products, (No Diagnostic Substances) (SIC 2836)
Listed as
VISK (OTC)
Fiscal year ends
December 31
Incorporated in
DE
Headquarters
Lombard, IL
SEC filer status
Non-accelerated filer, Smaller reporting company
SEC CIK
727510
Former names
ENZON PHARMACEUTICALS, INC. (until Mar 25, 2026); ENZON PHARMACEUTICALS INC (until Feb 23, 2016); ENZON PHARMACEUTICALS INC (until Mar 22, 2006); ENZON PHARMACEUTICAL INC (until Dec 10, 2002); ENZON INC (until Dec 9, 2002)

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Source: SEC EDGAR filings. This is company-reported data, not investment advice.