Viskase Holdings, Inc. 8-K

What Happened

• Viskase Holdings, Inc. (formerly Enzon Pharmaceuticals, Inc.) announced on March 26, 2026 that it closed the previously announced merger with Viskase Companies, Inc. (the “Merger”). Merger Sub merged into Viskase, with Viskase surviving as a wholly owned subsidiary and promptly converting into a Delaware limited liability company. The company filed a Delaware Certificate of Amendment to change its name to “Viskase Holdings, Inc.” and began trading on a reverse split‑adjusted basis on the OTCQB (temporary symbol “ENZND”) as of market open March 25, 2026.

Key Details

• Closing date: March 26, 2026; Merger Agreement originally dated June 20, 2025 and amended October 24, 2025.
• Stock conversions: Each outstanding share of Viskase common stock was converted into the right to receive 0.049118 shares of the Company common stock.
• Preferred stock exchange: On March 25, 2026, 39,277 shares of the Company’s Series C Preferred Stock held by affiliates of Icahn Enterprises Holdings L.P. were exchanged for 5,658,396 shares of Company common stock based on a 20‑day VWAP formula.
• Corporate/charter filings: Filed Certificate of Amendment (name change) and Certificate of Elimination removing the Series A‑1 designation (no Series A‑1 shares outstanding).
• Management and board changes: Thomas D. Davis (former Viskase CEO) appointed CEO of the Combined Company; Richard L. Feinstein ceased serving as CEO/CFO/Secretary. Board increased to seven members with appointments of Robert Flint (Chair), Colin Kwak, Dustin DeMaria, Kenneth Shea and Peter K. Shea; Peter K. Shea named Audit Committee Chair; Special Committee dissolved.

Why It Matters

• The filing documents a completed change of control: Viskase is now a wholly owned subsidiary and the combined company has new leadership and a reconstituted board, which will guide strategy going forward. The issuance and conversion of stock (including the Series C preferred exchange) changed the company’s capital structure and increased shares issued to certain affiliates by specific, disclosed amounts. The company’s name change and OTCQB trading (temporary symbol ENZND for 20 trading days) are material for investors tracking ticker, corporate identity, and governance. The press release announcing the closing is attached as Exhibit 99.1 and the transaction materials are incorporated by reference in the filing.