---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-043811"
form_type: "8-K"
ticker: "ENZN"
cik: "0000727510"
company_name: "Viskase Holdings, Inc."
filed_at: "2026-04-15T23:59:59+00:00"
generated_at: "2026-05-15T06:14:17.203242+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Viskase appoints Michael Blecic as CFO and Joseph King as EVP

## Summary
- Michael Blecic, age 57, appointed CFO effective April 10, 2026; previously VP, CAO, Treasurer at Viskase Companies.
- Blecic will continue as VP, CAO, Treasurer; no additional compensation beyond annual merit increase.
- Mackenzie Stender's service as Interim CFO through Silverman Consulting terminated as of April 10, 2026.
- Joseph D. King appointed EVP; he remains General Counsel and Secretary; no additional compensation.
- Both appointments are internal; no family relationships or material transactions with any director or officer.

## SEC filing metadata
- accession: 0001104659-26-043811
- form_type: 8-K
- ticker: ENZN
- cik: 0000727510
- company_name: Viskase Holdings, Inc.
- filed_at: 2026-04-15T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/727510/000110465926043811/0001104659-26-043811-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/727510/000110465926043811/tm2611809d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-043811
- JSON: https://secwatch.observer/filing/0001104659-26-043811.json
- Plain text: https://secwatch.observer/filing/0001104659-26-043811.txt

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