ENZN supply chain intelligence for Viskase Companies, Inc.: verified suppliers, customers, debt relationships, acquisitions, and ownership data.
Data compiled by Redley Lamar · ChainSifter Intelligence
| Ticker | Name | Confidence | Evidence |
|---|---|---|---|
| MICROMET-AG | MICROMET-AG | 92% | Amended and Restated Exclusive IP Marketing Agreement, dated as of June 28, 2004, by and between Micromet AG and Enzon Pharmaceuticals, Inc. |
| SCHERING-CORPORATION | SCHERING-CORPORATION | 92% | Development, License and Supply Agreement between Enzon, Inc. (now known as Enzon Pharmaceuticals, Inc.) and Schering Corporation dated November 14, 1990, as amended |
| SERVIER-IP-UK-LIMITED | SERVIER-IP-UK-LIMITED | 92% | Letter Agreement, dated January 30, 2019, between Servier IP UK Limited and Enzon Pharmaceuticals, Inc. |
| IELP | IELP | 90% | As of March 31, 2026, and December 31, 2025, IELP owned approximately 93.68 % and 92.8 % of our outstanding common stock, respectively. |
| AEP | American Electric Power Company, Inc. | 85% | In January 2026, Viskase entered into a securities purchase agreement with AEP pursuant to which it issued and sold 25,862,070 shares of its common stock at a purchase price of $ 0.58 per share, resu… |
| AEP | American Electric Power Company, Inc. | 85% | Reciprocal relationship from AEP graph: Reciprocal relationship from ENZN graph: In January 2026, Viskase entered into a securities purchase agreement with AEP pursuant to which it issued and sold 25… |
| ICAHN-ENTERPRISES-HOLDINGS-L-P | ICAHN-ENTERPRISES-HOLDINGS-L-P | 80% | The issuance of such shares of Company Common Stock was made in reliance upon the exemption contained in Section 4(a)(2) of the Securities Act of 1933, as amended (the “ Securities Act ”), and Rule 5… |
| VIVENTIA-BIOTECH-BARBADOS-INC | VIVENTIA-BIOTECH-BARBADOS-INC | 80% | The fee represents half of the amount paid by Viventia Biotech (Barbados) Inc. (“Viventia”), part of Sesen, on an annual basis for the continued right to license Vicineum |
| VE-NETTING-LLC | VE-NETTING-LLC | 75% | The netting product is manufactured under agreement by Viskase’s affiliate located in Monterrey, Mexico. |
| IEP | Icahn Enterprises L.P. | 72% | Reciprocal relationship from IEP graph: he aftermarket. Purchases are made based on current inventory or operational needs and are fulfilled by suppliers within short periods of time. During 2025, th… |
| Ticker | Name | Confidence | Evidence |
|---|---|---|---|
| AMGEN-INC | AMGEN-INC | 90% | The Company has a marketing agreement with Micromet AG, now part of Amgen, Inc. (the “Micromet Agreement”), pursuant to which it may be entitled to certain milestone and royalty payments |
| IEP | Icahn Enterprises L.P. | 72% | Reciprocal relationship from IEP graph: Reciprocal relationship from ENZN graph: Reciprocal relationship from IEP graph: he aftermarket. Purchases are made based on current inventory or operational n… |
| MRK | Merck & Co., Inc. | 72% | Reciprocal relationship from MRK graph: Reciprocal relationship from ENZN graph: llion and $ 46.5 million, respectively. Revenue Recognition Royalty revenues from the Company’s agreements with third … |
| MRK | Merck & Co., Inc. | 72% | llion and $ 46.5 million, respectively. Revenue Recognition Royalty revenues from the Company’s agreements with third parties and pursuant to the sale of the Company’s former specialty pharmaceutical… |
| Instrument | Description | Confidence | Evidence |
|---|---|---|---|
| ENZN-DEBT-9323 | Xbrl Convertible | 90% | xbrl convertible detail from xbrl 2013-03-31. |
| ENZN-DEBT | Debt stack $152.0M | 90% | Market cache reports total debt of $152.0M. |
| Ticker | Name | Chain Index | Hops | Relationship Types |
|---|---|---|---|---|
| BMY | Bristol-Myers Squibb Company | 100.00 | 2 | |
| IBIO | iBio, Inc. | 100.00 | 2 | |
| CVI | CVR Energy, Inc. | 100.00 | 2 | |
| EVAX | Evaxion A/S | 100.00 | 2 | |
| TBPH | Theravance Biopharma, Inc. | 100.00 | 2 | |
| IBRX | ImmunityBio, Inc. | 100.00 | 2 | |
| SDGR | Schrödinger, Inc. | 100.00 | 2 | |
| CPMV | Mosaic ImmunoEngineering, Inc. | 100.00 | 2 | |
| AEP | American Electric Power Company, Inc. | 100.00 | 1 | ['supplier'] |
| CTMX | CytomX Therapeutics, Inc. | 100.00 | 2 | |
| ENLV | Enlivex Ltd. | 100.00 | 2 | |
| EDSA | Edesa Biotech, Inc. | 100.00 | 2 | |
| IMMP | Immutep Limited | 100.00 | 2 | |
| HOWL | Werewolf Therapeutics, Inc. | 100.00 | 2 | |
| DYN | Dyne Therapeutics, Inc. | 100.00 | 2 | |
| BNBX | BNB Plus Corp. | 100.00 | 2 | |
| BBW | Build-A-Bear Workshop, Inc. | 100.00 | 2 | |
| ADAG | Adagene Inc. | 100.00 | 2 | |
| PSNL | Personalis, Inc. | 100.00 | 2 | |
| MCUJF | Medicure Inc. | 100.00 | 2 |