secwatch / observer
8-K filed March 26, 2026, 7:59 PM ET ticker ENZN CIK 0000727510
M&A confidence high sentiment neutral materiality 0.90

Viskase Holdings, Inc. (ENZN): M&A transaction — Enzon completes all-stock merger with Viskase; combined company renamed Viskase Holdings

Viskase Holdings, Inc.

Key facts

Extracted from this filing and checked against the source text.

Governance Changes SEC 8-K Item 5.03/5.05/5.06 confidence 1.0

Viskase Holdings, Inc.: Eliminated Certificate of Designation for Series A-1 Junior Participating Preferred Stock via Certificate of Elimination.

Change
charter amendment
Exact text from the filing
the Company filed a Certificate of Elimination (the “ Certificate of Elimination ”) to its Certificate of Incorporation with the Secretary of State of the State of Delaware eliminating from the Certificate of Incorporation all matters set forth in the Certificate of Designation with respect to the Company’s Series A-1 Junior Participating Preferred Stock
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Governance Changes SEC 8-K Item 5.03/5.05/5.06 confidence 1.0

Viskase Holdings, Inc.: Changed company name to Viskase Holdings, Inc. via Certificate of Amendment to Amended Certificate of Incorporation.

Change
charter amendment
Exact text from the filing
the Company filed a Certificate of Amendment (the “ Certificate of Amendment ”) to its Amended Certificate of Incorporation (the “ Certificate of Incorporation ”) with the Secretary of State of the State of Delaware to change its name to “Viskase Holdings, Inc.”
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M&A Transactions SEC 8-K Item 2.01/5.01 confidence 0.9

Viskase Holdings, Inc. completed an acquisition involving Viskase Companies, Inc. for all-stock transaction (closed 2026-03-26).

Action
acquisition
Counterparty
Viskase Companies, Inc.
Consideration
all-stock transaction
Closing
2026-03-26
Exact text from the filing
On March 26, 2026 (the " Closing Date "), Viskase Holdings, Inc. (formerly known as Enzon Pharmaceuticals, Inc.) (the " Company " or the " Combined Company ") consummated the previously announced transactions pursuant to the Agreement and Plan of Merger, dated as of June 20, 2025, by and among the Company, EPSC Acquisition Corp. (" Merger Sub "), and Viskase Companies, Inc. (" Viskase "), as amended by the First Amendment to the Agreement and Plan of Merger, dated as of October 24, 2025 (as amended, the " Merger Agreement ").
View on SEC.gov
M&A Transactions SEC 8-K Item 2.01/5.01 confidence 0.9

Viskase Holdings, Inc. underwent a change of control involving Viskase Companies, Inc. for all-stock transaction (closed 2026-03-26).

Action
change of control
Counterparty
Viskase Companies, Inc.
Consideration
all-stock transaction
Closing
2026-03-26
Exact text from the filing
On March 26, 2026 (the " Closing Date "), Viskase Holdings, Inc. (formerly known as Enzon Pharmaceuticals, Inc.) (the " Company " or the " Combined Company ") consummated the previously announced transactions pursuant to the Agreement and Plan of Merger, dated as of June 20, 2025, by and among the Company, EPSC Acquisition Corp. (" Merger Sub "), and Viskase Companies, Inc. (" Viskase "), as amended by the First Amendment to the Agreement and Plan of Merger, dated as of October 24, 2025 (as amended, the " Merger Agreement ").
View on SEC.gov

42 governance changes filed in the last 30 days. Browse all governance changes →

Viskase Holdings, Inc. filing history →

Source: SEC EDGAR
accession 0001104659-26-035301
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