🕵️ Viskase Holdings, Inc. ($ENZN)
SEC insider & ownership activity, last 12 months · CIK 727510 · every row links its SEC filing
Insiders were quiet over the last 12 months – no open-market buys or sells. Carl C Icahn added 48.6% → 93.7%; Icahn Enterprises Holdings L.P. added 48.6% → 93.7%. No red-flag 8-Ks in the window.
Insider flow
0 buyers, $0 (0 lots) · 0 sellers, $0 (0 lots)
No open-market insider transactions in the last 12 months.
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Carl C Icahn | 93.7% | 13D | Mar 25, 2026 | filing ↗ | |
| Icahn Enterprises Holdings L.P. | 93.7% | 13D | Mar 25, 2026 | filing ↗ | |
| Icahn Enterprises G.P. Inc. | 93.7% | 13D | Mar 25, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Material agreement (1.01) | Apr 30, 2026 | filing ↗ |
| Material Modifications to Rights of Security Holders (3.03) | Apr 30, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | Apr 30, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Apr 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 30, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 29, 2026 | filing ↗ |
| Material agreement (1.01) | Apr 16, 2026 | filing ↗ |
| New financial obligation (2.03) | Apr 16, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 16, 2026 | filing ↗ |
| Auditor change (4.01) | Apr 14, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 14, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 10, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 26, 2026 | filing ↗ |
| Acquisition or disposition (2.01) | Mar 26, 2026 | filing ↗ |
| Unregistered equity sale (3.02) | Mar 26, 2026 | filing ↗ |
| Change of control (5.01) | Mar 26, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 26, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | Mar 26, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Mar 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 26, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Mar 25, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 25, 2026 | filing ↗ |
| Material agreement (1.01) | Mar 20, 2026 | filing ↗ |
| Material Modifications to Rights of Security Holders (3.03) | Mar 20, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | Mar 20, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Mar 20, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 20, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Mar 19, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 19, 2026 | filing ↗ |
| Material agreement (1.01) | Mar 18, 2026 | filing ↗ |