---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-125067"
form_type: "8-K"
ticker: "MBIO"
cik: "0001680048"
company_name: "MUSTANG BIO, INC."
filed_at: "2023-12-12T23:59:59+00:00"
generated_at: "2026-06-07T14:16:57.384422+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Mustang Bio Interim CFO Eliot Lurier passes away; CEO Litchman named Interim CFO

## Summary
- Eliot Lurier, Interim CFO since April 2022, passed away unexpectedly on December 8, 2023.
- Board appointed CEO Manuel Litchman, M.D. as Interim CFO, effective December 11, 2023.
- Controller Peter Carney appointed Interim Chief Accounting Officer, also effective December 11, 2023.
- No new compensation arrangements or employment agreements entered with Litchman or Carney.
- Litchman has served as President & CEO since April 2017; Carney has been Controller since August 2021.

## SEC filing metadata
- accession: 0001104659-23-125067
- form_type: 8-K
- ticker: MBIO
- cik: 0001680048
- company_name: MUSTANG BIO, INC.
- filed_at: 2023-12-12T23:59:59+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1680048/000110465923125067/0001104659-23-125067-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1680048/000110465923125067/tm2332644d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-125067
- JSON: https://secwatch.observer/filing/0001104659-23-125067.json
- Plain text: https://secwatch.observer/filing/0001104659-23-125067.txt

## Key facts
- Executive change
  Peter Carney was appointed as Interim Chief Accounting Officer at MUSTANG BIO, INC..
  - Action: appointed
  - Role: Interim Chief Accounting Officer
  source text: Also on December 11, 2023, the Board appointed Peter Carney, Controller of the Company, as the Company’s Interim Chief Accounting Officer, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1680048/000110465923125067/0001104659-23-125067-index.htm
- Executive change
  Manuel Litchman was appointed as Interim Chief Financial Officer at MUSTANG BIO, INC..
  - Action: appointed
  - Role: Interim Chief Financial Officer
  source text: On December 11, 2023, the Board of Directors of the Company (the “Board”) appointed Manuel Litchman, M.D., President and Chief Executive Officer of the Company, as the Company’s Interim Chief Financial Officer, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1680048/000110465923125067/0001104659-23-125067-index.htm
- Executive change
  Eliot Lurier departed as Interim Chief Financial Officer at MUSTANG BIO, INC..
  - Action: passed away
  - Role: Interim Chief Financial Officer
  source text: On December 8, 2023, Eliot Lurier, the Interim Chief Financial Officer of Mustang Bio, Inc. (the “Company” or “Mustang”), passed away unexpectedly.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1680048/000110465923125067/0001104659-23-125067-index.htm

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