---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-24-102169"
form_type: "8-K"
ticker: null
cik: "0000316253"
company_name: "ENZO BIOCHEM INC"
filed_at: "2024-11-25T23:59:59+00:00"
generated_at: "2026-05-29T19:15:15.021444+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Enzo Biochem appoints Jon Couchman to Board of Directors and three committees

## Summary
- Jon Couchman appointed to Enzo Biochem Board effective November 22, 2024, and to Audit, Compensation, and Nominating/Governance Committees.
- Couchman is Managing Member of Couchman Management LLC, holds CFA; previously Chairman/CEO/CFO of Xstelos, Myrexis, Affymax.
- Compensation follows standard non-employee director plan as described in the 2023 proxy statement.
- No arrangements or understandings with any other person regarding selection; no reportable related-party transactions.

## SEC filing metadata
- accession: 0001213900-24-102169
- form_type: 8-K
- cik: 0000316253
- company_name: ENZO BIOCHEM INC
- filed_at: 2024-11-25T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/316253/000121390024102169/0001213900-24-102169-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/316253/000121390024102169/ea0222393-8k_enzobio.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-24-102169
- JSON: https://secwatch.observer/filing/0001213900-24-102169.json
- Plain text: https://secwatch.observer/filing/0001213900-24-102169.txt

## Key facts
- Executive change
  Jon Couchman was appointed as director at ENZO BIOCHEM INC.
  - Action: appointed
  - Role: director
  source text: On November 22, 2024, the board of directors (the “Board”) of Enzo Biochem, Inc. (the “Company”) appointed Jon Couchman to the Board and to the Board’s Audit Committee, Compensation Committee and Nominating/Governance Committee.
  evidence_url: https://www.sec.gov/Archives/edgar/data/316253/000121390024102169/0001213900-24-102169-index.htm

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