{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-25-124189","form_type":"8-K","ticker":"MBIO","cik":"0001680048","company_name":"MUSTANG BIO, INC.","filed_at":"2025-12-23T23:59:59+00:00","discovered_at":"2026-05-14T18:02:40.130200+00:00","generated_at":"2026-05-16T12:16:07.267235+00:00","sec_items":["5.07","8.01","9.01"],"event_type":"other_material","sentiment":"negative","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Mustang Bio terminates CD20 CAR-T license with Fred Hutch, pays $730K to settle $1.4M in payables","bullets":["Terminated CD20 CAR-T license with Fred Hutch; agreed to pay $730,000 to settle ~$1.4M in outstanding payables.","Fred Hutch to pay Mustang at least 10% of consideration from any third-party CD20 licensing within three years.","All four proposals passed at Dec 22 annual meeting: directors elected, KPMG ratified, ESPP shares raised to 259,333, EIP to 2,514,666."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-25-124189","json":"https://secwatch.observer/filing/0001104659-25-124189.json","markdown":"https://secwatch.observer/filing/0001104659-25-124189.md","text":"https://secwatch.observer/filing/0001104659-25-124189.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1680048/000110465925124189/0001104659-25-124189-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1680048/000110465925124189/tmb-20251217x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T12:16:07.267235+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"}