Viskase Holdings (ENZND) adds CEO and Icahn affiliate to board, reshapes audit committee

Rhea-AI Filing Summary

Viskase Holdings, Inc. reported several board and committee changes. On April 29, 2026, directors Peter K. Shea and Randolph C. Read resigned from the Board, with both stating their decisions were not due to any disagreement with the company or its policies.

On April 30, 2026, the company appointed its President and Chief Executive Officer, Thomas D. Davis, and Craig Pettit to the Board to fill these vacancies. Davis will not receive additional compensation as a director beyond his existing employment agreement. Entities affiliated with Carl C. Icahn and Icahn Enterprises own approximately 93.7% of the company’s common stock.

Effective April 30, 2026, Jordan Bleznick joined the Audit Committee, which now consists of two members: Bleznick and Kenneth Shea, with Kenneth Shea serving as Chairman.

8-K Event Classification

Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers

1 item

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance

Key personnel changes including departures, elections, or appointments of directors and executive officers.

Key Figures

Icahn-affiliated ownership: 93.7% of common stock Thomas D. Davis age: 70 years Craig Pettit age: 64 years +2 more

5 metrics

Icahn-affiliated ownership 93.7% of common stock Entities affiliated with Carl C. Icahn and Icahn Enterprises

Thomas D. Davis age 70 years Age of newly appointed director and CEO

Craig Pettit age 64 years Age of newly appointed director

Audit Committee size 2 members Audit Committee composition as of April 30, 2026

Icahn Enterprises tenure Since October 2007 Craig Pettit as Vice President of Tax Administration

Key Terms

Audit Committee, emerging growth company, related party transactions, Regulation S-K, +1 more

5 terms

Audit Committee financial

"Mr. Shea’s resignation was not due to any disagreement... and as Chairman of the Company’s Audit Committee"

A company's audit committee is a small group of board members who act like independent inspectors for the firm's finances, overseeing how financial reports are prepared, monitoring internal controls, and managing the relationship with external auditors. Investors care because a strong audit committee reduces the risk of accounting errors, fraud, or misleading statements, making financial statements more trustworthy and helping protect shareholder value.

emerging growth company regulatory

"Emerging growth company"

An emerging growth company is a recently public or smaller public firm that qualifies for temporary, lighter regulatory and disclosure rules to reduce the cost and effort of being public. For investors, it means the company may provide less historical financial detail and face fewer reporting requirements than larger firms, so it can grow more quickly but also carries higher uncertainty—like buying a promising early-stage product with fewer user reviews.

related party transactions financial

"no related party transactions between the Company and Mr. Davis that would be reportable"

Transactions between a company and people or entities that have close ties to it—such as executives, board members, major shareholders, family members, or related companies—where the parties are not independent. These deals matter to investors because they can create conflicts of interest or hide favorable terms that distort a company’s true profits and risks; think of it like a business buying or selling to a family member instead of using the open market, which can lead to biased prices or undisclosed obligations.

Regulation S-K regulatory

"reportable under Item 404(a) of Regulation S-K other than Mr. Davis’s employment"

A set of U.S. Securities and Exchange Commission rules that tell public companies which narrative and qualitative details must be disclosed in filings, such as risk factors, management discussion, executive pay, legal proceedings and business description. Think of it as a standardized checklist or blueprint that ensures investors get the same types of background information from every company so they can compare risks, management quality and strategy before making investment decisions.

business combination transaction financial

"prior to the completion of the business combination transaction between Enzon and Viskase"

A business combination transaction is when two companies join together—through a merger, acquisition or similar deal—so they operate as one entity. For investors, it matters because the deal can change ownership stakes, the company’s value, future profits and risks, and often leads to new management or strategy; think of two households combining finances and plans, which can improve efficiency but also bring uncertainty about who controls the budget and how resources are used.

Understanding 8-K Material Events →

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): April 29, 2026

VISKASE HOLDINGS, INC.

(Exact name of registrant as specified in its charter)

Delaware (State or other jurisdiction of
incorporation) 000-12957 (Commission File Number) 22-2372868 (IRS Employer Identification No.)

333 East Butterfield Road, Suite 400, Lombard, Illinois (Address of principal executive offices) 60148 (Zip Code)

(630) 874-0700

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class		Trading Symbol(s)		Name of Each Exchange on Which Registered
None		N/A		N/A

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company  ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ¨

Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

Director Resignations

On April 29, 2026, Peter K. Shea notified the Company of his decision to resign as a member of the Board of Directors (the “Board”), including from his service on the Company’s Audit Committee. Mr. Shea’s resignation was not due to any disagreement with the Company or the Board on any matter relating to the operations, policies or practices of the Company.

The Company would like to thank Mr. Shea for his dedication, commitment, and leadership as a member of the Board of the Company, as Chairman of the Company’s Audit Committee, and as a member of the Board of the Company’s subsidiary, Viskase Companies, LLC, during his tenure.

Also, on April 29, 2026, Randolph C. Read notified the Company of his decision to resign as a member of the Board. Mr. Read’s resignation was not due to any disagreement with the Company or the Board on any matter relating to the operations, policies or practices of the Company.

The Company would like to thank Mr. Read for his dedication, commitment, and leadership as the Chairman of the Board of Enzon Pharmaceuticals, Inc. (“Enzon”) prior to the completion of the business combination transaction between Enzon and Viskase, as well as his continued service on the Board of the Company following completion of the transaction.

Director Appointments

On April 30, 2026, the Company appointed each of Mr. Thomas D. Davis, the Company’s Chief Executive Officer, and Mr. Craig Pettit to serve as members of the Board to fill the vacancies created by the resignations of Messrs. Peter Shea and Read.

Mr. Davis, age 70, has served as the President and Chief Executive Officer of Viskase since December 2025. Prior to joining Viskase, Mr. Davis served as the President of North America at Kalle GmbH, a manufacturer of casings and nets for food packaging and technical applications, from July 2020 to July 2025. Prior to joining Kalle, Mr. Davis served as President and Chief Executive Officer of Viskase from 2007 to 2019 and also as Chairman from 2012 until 2019. Before joining Viskase in 2007, Mr. Davis served as President and Chief Executive Officer of Specialty Foods Group, Inc., a producer of premium meat products (January 2000 to December 2006). He also served in various executive positions with Smithfield Foods, Inc. (December 1996 to December 1999), and in various operational and financial roles with John Morrell & Company from 1980 until it was acquired by Smithfield Foods in 1995. Mr. Davis also served on the Board of Directors of Welbilt, Inc. from 2018 until 2019, which was partially owned indirectly by Mr. Carl C. Icahn. Mr. Davis holds a B.S. in Chemistry from The State University of New York at Plattsburgh and an MBA from Benedictine University.

There were no arrangements or understandings pursuant to which Mr. Davis was appointed to the Board. Since the beginning of the last fiscal year, there have been no related party transactions between the Company and Mr. Davis that would be reportable under Item 404(a) of Regulation S-K other than Mr. Davis’s employment by the Company, which is governed by the terms of an employment agreement effective as of December 1, 2025 as previously filed by the Company with the SEC. Mr. Davis will not receive any additional compensation in connection with his appointment as a director.

Mr. Pettit, age 64, has been Vice President of Tax Administration of Icahn Enterprises L.P. and other affiliated entities since October 2007. Previously, Mr. Pettit was Tax Director for various affiliates of Carl C. Icahn from October 2000 through September 2007. Prior to that, Mr. Pettit worked as a Tax Director for Agribiotech from July 1998 to October 2000, as a Tax Manager for Southwest Gas Corporation from February 1997 to July 1998, and as Tax Manager for Santa Fe Pacific Gold Corporation from January 1993 to July 1998. Mr. Pettit also worked in the tax practices of KPMG Peat Marwick from 1991 to 1993 and Deloitte and Touche from 1988 to 1991. Mr. Pettit received a B.S. in Accounting and a Master’s Degree in Taxation from Brigham Young University in 1987 and 1992, respectively. Mr. Pettit is a Certified Public Accountant in the State of New Mexico. Entities affiliated with Mr. Icahn and Icahn Enterprises own approximately 93.7% of the Company’s common stock.

There were no arrangements or understandings pursuant to which Mr. Pettit was appointed to the Board. Since the beginning of the last fiscal year, there have been no related party transactions between the Company and Mr. Pettit that would be reportable under Item 404(a) of Regulation S-K.

Audit Committee Appointment

Effective as of April 30, 2026, Mr. Jordan Bleznick was appointed to serve as a member of the Audit Committee. As of April 30, 2026, the Company’s Audit Committee consists of two members – Mr. Bleznick and Mr. Kenneth Shea. Mr. Kenneth Shea will serve as Chairman of the Audit Committee.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	VISKASE HOLDINGS, INC.
	(Registrant)
Date: May 1, 2026
	By:	/s/ Joseph D. King
	Name:	Joseph D. King
	Title:	Executive Vice President, General Counsel & Secretary

FAQ

What board changes did Viskase Holdings (ENZND) report on April 29–30, 2026?

Viskase reported the resignations of directors Peter K. Shea and Randolph C. Read, followed by the appointments of CEO Thomas D. Davis and Craig Pettit to the Board to fill the resulting vacancies on April 30, 2026.

Did the resignations of Viskase Holdings (ENZND) directors involve any disagreement with the company?

No. The filing states that both Peter K. Shea and Randolph C. Read resigned as directors, and each resignation was not due to any disagreement with Viskase or its Board regarding operations, policies, or practices of the company.

Who is Thomas D. Davis, newly appointed director of Viskase Holdings (ENZND)?

Thomas D. Davis is President and Chief Executive Officer of Viskase, with prior leadership roles at Viskase, Kalle GmbH, Specialty Foods Group, Smithfield Foods, and John Morrell & Company. He joined the Board on April 30, 2026, without additional director compensation.

What is the relationship between Icahn Enterprises and Viskase Holdings (ENZND)?

Entities affiliated with Carl C. Icahn and Icahn Enterprises own approximately 93.7% of Viskase’s common stock. Craig Pettit, newly appointed to the Board, has long served in tax leadership roles at Icahn Enterprises and related affiliates, reflecting that ownership connection.

How did the Audit Committee composition of Viskase Holdings (ENZND) change in April 2026?

Effective April 30, 2026, Viskase appointed Jordan Bleznick to the Audit Committee. As of that date, the Audit Committee consists of two members, Bleznick and Kenneth Shea, with Kenneth Shea serving as Chairman of the Audit Committee.

Does Viskase Holdings (ENZND) disclose any related party transactions for its new directors?

The company states there were no reportable related party transactions with Thomas D. Davis or Craig Pettit since the beginning of the last fiscal year, other than Davis’s employment under an agreement effective December 1, 2025, previously filed with the SEC.

Filing Exhibits & Attachments

3 documents

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