secwatch.observer — SEC 8-K summary ====================================== Issuer: MUSTANG BIO, INC. (MBIO) CIK: 0001680048 Form: 8-K Filed at: 2026-04-17T23:59:59+00:00 Accession: 0001104659-26-044890 Event type: regulatory Sentiment: negative Materiality: 0.80 Item codes: 3.01 LLM model: deepseek-v4-flash:cloud@v2 Mustang Bio receives Nasdaq deficiency notice for bid price below $1.00 ----------------------------------------------------------------------- - Received Nasdaq notice on April 15, 2026 for non-compliance with minimum bid price rule after 30 consecutive business days below $1.00. - Has 180-calendar day grace period until October 12, 2026 to regain compliance by closing at $1.00+ for 10 consecutive business days. - May qualify for second 180-day period if meets Nasdaq continued listing criteria and provides written notice of intent to cure. - Could face delisting if unable to regain compliance; no decision yet on specific actions to remedy deficiency. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1680048/000110465926044890/0001104659-26-044890-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1680048/000110465926044890/tm2612037d1_8k.htm HTML page: https://secwatch.observer/filing/0001104659-26-044890 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer