{"schema_version":"secwatch.filing_event.v1","accession":"0001558370-25-004898","form_type":"8-K","ticker":"FBIO","cik":"0001429260","company_name":"Fortress Biotech, Inc.","filed_at":"2025-04-16T23:59:59+00:00","discovered_at":"2026-05-14T18:02:48.270505+00:00","generated_at":"2026-05-23T13:17:40.526864+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Fortress Biotech director Lucy Lu resigns from board, to become Chief Strategy Officer on April 21","bullets":["Lucy Lu resigned from the Board of Directors effective April 15, 2025, with no disagreement with the Company.","She accepted an offer to join Fortress Biotech as Chief Strategy Officer effective April 21, 2025.","Dr. Lu will transition from board oversight to an executive leadership role."],"urls":{"canonical":"https://secwatch.observer/filing/0001558370-25-004898","json":"https://secwatch.observer/filing/0001558370-25-004898.json","markdown":"https://secwatch.observer/filing/0001558370-25-004898.md","text":"https://secwatch.observer/filing/0001558370-25-004898.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1429260/000155837025004898/0001558370-25-004898-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1429260/000155837025004898/fbio-20250415x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-23T13:17:40.526864+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":[{"claim_id":"579728dbe3","claim":"Lucy Lu resigned as Director at Fortress Biotech, Inc..","evidence_excerpt":"On April 15, 2025, Lucy Lu, M.D., notified Fortress Biotech, Inc. (the “ Company ”) of her resignation from the Board of Directors effective April 15, 2025.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1429260/000155837025004898/0001558370-25-004898-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"5a4a53c7c8","claim":"Lucy Lu was appointed as Chief Strategy Officer at Fortress Biotech, Inc..","evidence_excerpt":"Dr. Lu’s decision to resign from the Board of Directors was made in connection with her accepting an offer to join the Company as Chief Strategy Officer effective April 21, 2025.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1429260/000155837025004898/0001558370-25-004898-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Strategy Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}