{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-25-000343","form_type":"8-K","ticker":"MBIO","cik":"0001680048","company_name":"MUSTANG BIO, INC.","filed_at":"2025-01-02T23:59:59+00:00","discovered_at":"2026-05-14T18:03:04.415325+00:00","generated_at":"2026-05-28T18:27:31.708125+00:00","sec_items":["5.07"],"event_type":"other","sentiment":"neutral","materiality_score":0.15,"calibrated_materiality_score":0.15,"confidence":"high","headline":"Mustang Bio shareholders elect seven directors, ratify KPMG as auditor","bullets":["All seven director nominees elected with at least 58.3M votes for each; broker non-votes none.","KPMG LLP ratified as independent auditor for FY 2024 with 59.4M for, 62.7K against, 30.6K abstain.","Approximately 58% of total votes were represented at the virtual annual meeting on Dec. 26, 2024.","Outstanding shares: 48.8M common, 0.8M Class A common, 0.25M Class A preferred."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-25-000343","json":"https://secwatch.observer/filing/0001104659-25-000343.json","markdown":"https://secwatch.observer/filing/0001104659-25-000343.md","text":"https://secwatch.observer/filing/0001104659-25-000343.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1680048/000110465925000343/0001104659-25-000343-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1680048/000110465925000343/tm251702d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-28T18:27:31.708125+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"}