---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-020900"
form_type: "8-K"
ticker: "MBIO"
cik: "0001680048"
company_name: "MUSTANG BIO, INC."
filed_at: "2025-03-05T23:59:59+00:00"
generated_at: "2026-05-25T10:36:31.276253+00:00"
event_type: "regulatory"
sentiment: "positive"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Mustang Bio regains compliance with Nasdaq minimum stockholders' equity requirement; listing matters closed

## Summary
- Received Feb 26, 2025 notice from Nasdaq confirming compliance with minimum stockholders' equity rule (Rule 5550(b)(1)).
- Previously regained compliance with minimum bid price rule; now meets all Nasdaq Capital Market listing criteria.
- Subject to Panel Monitor for one year through Feb 26, 2026; non-compliance triggers hearing without plan submission.
- Press release issued March 5, 2025 announcing the compliance determination.

## SEC filing metadata
- accession: 0001104659-25-020900
- form_type: 8-K
- ticker: MBIO
- cik: 0001680048
- company_name: MUSTANG BIO, INC.
- filed_at: 2025-03-05T23:59:59+00:00
- event_type: regulatory
- sentiment: positive
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1680048/000110465925020900/0001104659-25-020900-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1680048/000110465925020900/tm258382d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-020900
- JSON: https://secwatch.observer/filing/0001104659-25-020900.json
- Plain text: https://secwatch.observer/filing/0001104659-25-020900.txt

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