{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-25-016145","form_type":"8-K","ticker":"MBIO","cik":"0001680048","company_name":"MUSTANG BIO, INC.","filed_at":"2025-02-21T23:59:59+00:00","discovered_at":"2026-05-14T18:03:04.416382+00:00","generated_at":"2026-05-26T06:58:55.644718+00:00","sec_items":["5.07"],"event_type":"other_material","sentiment":"negative","materiality_score":0.7,"calibrated_materiality_score":0.15,"confidence":"high","headline":"Mustang Bio shareholders approve issuance of up to 5.48M shares underlying warrants","bullets":["Written consent signed by holders of ~56% of voting power authorizing warrant share issuance under Nasdaq Rule 5635(d).","Issuance covers up to 5,475,082 shares of common stock underlying warrants issued to H.C. Wainwright & Co. and accredited investors.","Consent holders: 131,052 common shares and 250,000 Class A Preferred shares (each with ~8.4 votes).","Definitive information statement on Schedule 14C to be filed and sent to stockholders."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-25-016145","json":"https://secwatch.observer/filing/0001104659-25-016145.json","markdown":"https://secwatch.observer/filing/0001104659-25-016145.md","text":"https://secwatch.observer/filing/0001104659-25-016145.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1680048/000110465925016145/0001104659-25-016145-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1680048/000110465925016145/tm257187d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-26T06:58:55.644718+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"}