{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-24-069131","form_type":"8-K","ticker":"MBIO","cik":"0001680048","company_name":"MUSTANG BIO, INC.","filed_at":"2024-06-06T23:59:59+00:00","discovered_at":"2026-05-14T18:03:19.552632+00:00","generated_at":"2026-06-01T05:55:48.219826+00:00","sec_items":["1.01","1.02","9.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Mustang Bio enters $5.6M ATM offering with H.C. Wainwright; terminates prior $100M agreement","bullets":["May 31, 2024: ATM Offering Agreement with H.C. Wainwright for up to $5.6M of common stock; 3.0% commission to manager.","Prior $100M ATM Sales Agreement with B. Riley Securities & others terminated effective June 5, 2024.","New S-3 registration statement (File No. 333-279891) filed same day enables the at-the-market offering.","Company not obligated to sell any shares; offering ends upon full sale or termination of agreement."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-24-069131","json":"https://secwatch.observer/filing/0001104659-24-069131.json","markdown":"https://secwatch.observer/filing/0001104659-24-069131.md","text":"https://secwatch.observer/filing/0001104659-24-069131.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1680048/000110465924069131/0001104659-24-069131-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1680048/000110465924069131/tm2416600d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-01T05:55:48.219826+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"}