{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-26-116233","form_type":"8-K","ticker":"MBIO","cik":"0001680048","company_name":"MUSTANG BIO, INC.","filed_at":"2026-10-15T20:05:21+00:00","discovered_at":"2026-10-15T20:06:00.458203+00:00","generated_at":"2026-10-15T20:06:05.881139+00:00","sec_items":["8.01"],"event_type":"regulatory","sentiment":"negative","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Mustang Bio wins second Nasdaq grace period to April 12, 2027; reverse stock split possible","bullets":["Nasdaq staff granted MBIO an additional 180-calendar-day period, until April 12, 2027, to regain the $1.00 minimum bid price requirement.","Company failed to regain compliance by the initial deadline of October 12, 2026, set after the April 15, 2026 deficiency notice.","Original notice: common stock closed below $1.00 for 30 consecutive business days, violating Nasdaq Listing Rule 5550(a)(2).","Compliance requires a closing bid of at least $1.00 for 10 consecutive business days (generally not more than 20).","Mustang Bio told Nasdaq it may effect a reverse stock split if necessary; if it fails, staff would notify of delisting, appealable to the Nasdaq Hearings Panel without pausing any trading suspension."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-26-116233","json":"https://secwatch.observer/filing/0001104659-26-116233.json","markdown":"https://secwatch.observer/filing/0001104659-26-116233.md","text":"https://secwatch.observer/filing/0001104659-26-116233.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1680048/000110465926116233/0001104659-26-116233-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1680048/000110465926116233/tmb-20261013x8k.htm"},"model":{"generated_by":"deepseek-v4.1-flash:cloud@v2","generated_at":"2026-10-15T20:06:05.881139+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}