Viskase director Robert Flint files initial ownership

Viskase Holdings, Inc. director Robert Flint has filed an initial statement of beneficial ownership on Form 3.

Rhea-AI Filing Summary

Viskase Holdings, Inc. director Robert Flint has filed an initial statement of beneficial ownership on Form 3. This filing identifies him as a director of the company but, based on the available data, does not report any stock purchases, sales, option exercises, gifts, or other transactions.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the Viskase (ENZN) Form 3 filing for Robert Flint represent?

The Form 3 filing shows that Robert Flint is a director of Viskase Holdings, Inc. It is an initial statement of beneficial ownership and, in the data provided, does not list any stock purchases, sales, or other insider transactions.

Does the Viskase (ENZN) Form 3 for Robert Flint show any stock transactions?

No, the data for Robert Flint’s Form 3 shows no reported transactions. The transaction summary indicates zero buys, zero sells, zero exercises, and no gifts or tax withholdings, meaning only his status as a director is reflected here.

What insider activity counts are shown in Robert Flint’s Viskase (ENZN) Form 3?

The Form 3 summary for Robert Flint shows zero buys, sells, option exercises, gifts, tax withholdings, or restructuring events. The net buy/sell direction is listed as neutral, indicating no insider trading activity in this filing’s dataset.

What role does Robert Flint hold at Viskase Holdings, Inc. (ENZN)?

Robert Flint is identified as a director of Viskase Holdings, Inc. in the Form 3 data. The filing flags him as a director, with no indication that he is an officer or ten-percent owner based on the provided fields.

Are there any derivative securities reported for Robert Flint in the Viskase (ENZN) Form 3?

No derivative securities are reported for Robert Flint in the available Form 3 data. The derivative summary is empty, and the derivative transaction count is zero, indicating no listed options, warrants, or similar instruments in this filing.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/26/2026 - 08:17 PM EDT Learn about SEC filing dates

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Flint Robert

(Last) (First) (Middle)

333 EAST BUTTERFIELD ROAD, SUITE 400

(Street)

LOMBARD ILLINOIS 60148

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/26/2026

3. Issuer Name and Ticker or Trading Symbol
Viskase Holdings, Inc. [ ENZND ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

No securities are beneficially owned.

	/s/ Robert Flint	03/26/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)