---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-044420"
form_type: "8-K"
ticker: "ENZN"
cik: "0000727510"
company_name: "Viskase Holdings, Inc."
filed_at: "2026-04-16T23:59:59+00:00"
generated_at: "2026-05-15T05:57:45.556201+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Viskase Holdings appoints Grant Thornton as auditor, dismissing EisnerAmper post-merger

## Summary
- EisnerAmper dismissed as independent auditor; no disagreements or reportable events from 2024-2026.
- Grant Thornton appointed by Audit Committee on April 14, 2026, ratified by Board; engagement subject to client acceptance.
- Grant Thornton served as Viskase's auditor prior to the March 26, 2026 merger that created Viskase Holdings.
- EisnerAmper's audit reports for fiscal years 2024 and 2025 were unqualified and contained no adverse opinions.

## SEC filing metadata
- accession: 0001104659-26-044420
- form_type: 8-K
- ticker: ENZN
- cik: 0000727510
- company_name: Viskase Holdings, Inc.
- filed_at: 2026-04-16T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/727510/000110465926044420/0001104659-26-044420-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/727510/000110465926044420/tm2611998d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-044420
- JSON: https://secwatch.observer/filing/0001104659-26-044420.json
- Plain text: https://secwatch.observer/filing/0001104659-26-044420.txt

## Source-grounded claims
- claim_id: 05f76efc8738e3bdf5b9126e77d32b15d270a00b
  claim: Viskase Holdings, Inc. engaged Grant Thornton LLP as its auditor.
  evidence_excerpt: pril 14, 2026, the Audit Committee of the Company appointed Grant Thornton LLP (“Grant Thornton”) as the Company’s independent registered public accounting firm to audit the Company’s consolidated financial statements for the fiscal year ending
  evidence_url: https://www.sec.gov/Archives/edgar/data/727510/000110465926044420/0001104659-26-044420-index.htm
- claim_id: 3a5c3f7ac2c36ed8b0ff628f7d721451b50e0ab1
  claim: Viskase Holdings, Inc. dismissed EisnerAmper LLP as its auditor.
  evidence_excerpt: was informed on April 15, 2026, that it was dismissed as the Company’s independent registered public accounting firm.
  evidence_url: https://www.sec.gov/Archives/edgar/data/727510/000110465926044420/0001104659-26-044420-index.htm

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