---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-24-111500"
form_type: "8-K"
ticker: "MBIO"
cik: "0001680048"
company_name: "MUSTANG BIO, INC."
filed_at: "2024-10-25T23:59:59+00:00"
generated_at: "2026-05-30T10:04:59.759985+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Mustang Bio raises $4M via warrant exercise; appoints David Jin to board

## Summary
- Investor exercised 16,877,638 existing warrants at $0.237/share for ~$4M gross proceeds, before fees.
- Issued new unregistered warrants to purchase up to 33,755,276 shares at $0.27/share; exercisable after stockholder approval.
- Board expanded to seven; David Jin (CFO of majority owner Fortress Biotech) appointed as director.
- Net proceeds to be used for working capital and general corporate purposes.
- H.C. Wainwright acted as placement agent with 7% cash fee and 1,012,658 placement agent warrants at $0.2963/share.

## SEC filing metadata
- accession: 0001104659-24-111500
- form_type: 8-K
- ticker: MBIO
- cik: 0001680048
- company_name: MUSTANG BIO, INC.
- filed_at: 2024-10-25T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01, 3.02, 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1680048/000110465924111500/0001104659-24-111500-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1680048/000110465924111500/tm2426843d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-24-111500
- JSON: https://secwatch.observer/filing/0001104659-24-111500.json
- Plain text: https://secwatch.observer/filing/0001104659-24-111500.txt

## Key facts
- Executive change
  David Jin was appointed as Director at MUSTANG BIO, INC..
  - Action: appointed
  - Role: Director
  source text: On October 23, 2024, the Board of Directors (the “Board”) of the Company increased the number of directors on the Board from six to seven and appointed David Jin as a new member of the Board.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1680048/000110465924111500/0001104659-24-111500-index.htm

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