---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-013506"
form_type: "8-K"
ticker: "ENZN"
cik: "0000727510"
company_name: "Viskase Holdings, Inc."
filed_at: "2026-02-11T23:59:59+00:00"
generated_at: "2026-05-16T03:27:00.625084+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Enzon stockholders approve 1-for-100 reverse stock split and merger with Viskase

## Summary
- Reverse stock split (1:100) approved by 55.2% of outstanding shares; merger proposal approved by 57.1%.
- Consent solicitation closed at 8:00 AM ET on Feb 11, 2026; record date Jan 29, 2026 (74.2M shares outstanding).
- Closing of merger with Viskase remains subject to satisfaction of remaining conditions in the Merger Agreement.

## SEC filing metadata
- accession: 0001104659-26-013506
- form_type: 8-K
- ticker: ENZN
- cik: 0000727510
- company_name: Viskase Holdings, Inc.
- filed_at: 2026-02-11T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 5.07, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/727510/000110465926013506/0001104659-26-013506-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/727510/000110465926013506/tm266062d2_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-013506
- JSON: https://secwatch.observer/filing/0001104659-26-013506.json
- Plain text: https://secwatch.observer/filing/0001104659-26-013506.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.