---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-24-074043"
form_type: "8-K"
ticker: "MBIO"
cik: "0001680048"
company_name: "MUSTANG BIO, INC."
filed_at: "2024-06-24T23:59:59+00:00"
generated_at: "2026-06-01T02:29:21.287039+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Mustang Bio raises $2.5M in registered direct offering and private placement

## Summary
- Issued 3,025,000 common shares and 3,105,000 pre-funded warrants (collectively 6,130,000 shares/equivalents) at $0.41/unit.
- Concurrent private placement of 6,130,000 warrants with $0.41 exercise price, exercisable after stockholder approval for 5 years.
- Gross proceeds ~$2.5M; net proceeds for working capital and general corporate purposes.
- H.C. Wainwright as placement agent; paid 7% cash fee plus warrants.

## SEC filing metadata
- accession: 0001104659-24-074043
- form_type: 8-K
- ticker: MBIO
- cik: 0001680048
- company_name: MUSTANG BIO, INC.
- filed_at: 2024-06-24T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 1.01, 3.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1680048/000110465924074043/0001104659-24-074043-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1680048/000110465924074043/tm2417829d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-24-074043
- JSON: https://secwatch.observer/filing/0001104659-24-074043.json
- Plain text: https://secwatch.observer/filing/0001104659-24-074043.txt

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