---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-24-116825"
form_type: "8-K"
ticker: null
cik: "0001847440"
company_name: "Coliseum Acquisition Corp."
filed_at: "2024-11-12T23:59:59+00:00"
generated_at: "2026-05-30T02:13:49.858533+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Coliseum Acquisition appoints interim CEO after CEO Wert removed due to illness

## Summary
- CFO Oanh Truong appointed interim CEO effective Nov 5, 2024, also serving as principal executive officer.
- CEO Charles Wert removed from board on Oct 25, 2024, due to illness.
- Truong, 35, has been CFO since July 2023 and controller at sponsor Berto LLC and dMY Squared.
- No arrangement or family relationship between Truong and any other director or officer.

## SEC filing metadata
- accession: 0001104659-24-116825
- form_type: 8-K
- cik: 0001847440
- company_name: Coliseum Acquisition Corp.
- filed_at: 2024-11-12T23:59:59+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1847440/000110465924116825/0001104659-24-116825-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1847440/000110465924116825/tm2428118d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-24-116825
- JSON: https://secwatch.observer/filing/0001104659-24-116825.json
- Plain text: https://secwatch.observer/filing/0001104659-24-116825.txt

## Key facts
- Executive change
  Charles Wert was removed as Director at Coliseum Acquisition Corp..
  - Action: removed
  - Role: Director
  source text: As a result of his illness, Mr. Wert was removed from the board of directors on October 25, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1847440/000110465924116825/0001104659-24-116825-index.htm
- Executive change
  Oanh Truong was appointed as interim Chief Executive Officer at Coliseum Acquisition Corp..
  - Action: appointed
  - Role: interim Chief Executive Officer
  source text: Effective as of November 5, 2024, due to the illness of the Chief Executive Officer, Charles Wert, Oanh Truong was appointed as interim Chief Executive Officer of Coliseum Acquisition Corp.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1847440/000110465924116825/0001104659-24-116825-index.htm
- Executive change
  Charles Wert departed as Chief Executive Officer at Coliseum Acquisition Corp..
  - Role: Chief Executive Officer
  source text: due to the illness of the Chief Executive Officer, Charles Wert
  evidence_url: https://www.sec.gov/Archives/edgar/data/1847440/000110465924116825/0001104659-24-116825-index.htm

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