{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-282047","form_type":"8-K","ticker":"LNTH","cik":"0001521036","company_name":"Lantheus Holdings, Inc.","filed_at":"2024-12-19T23:59:59+00:00","discovered_at":"2026-05-14T18:03:08.676016+00:00","generated_at":"2026-05-29T01:37:20.279668+00:00","sec_items":["7.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Lantheus CMO Jeff Humphrey to depart Jan 3, 2025; search underway for replacement","bullets":["Jeff Humphrey, MD, resigns as Chief Medical Officer; last day January 3, 2025.","Departure not due to disagreement with company or board on operations, clinical programs, or policies.","CEO Brian Markison and President Paul Blanchfield assume interim leadership of R&D.","Company has initiated a search for a new Chief Medical Officer."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-282047","json":"https://secwatch.observer/filing/0001193125-24-282047.json","markdown":"https://secwatch.observer/filing/0001193125-24-282047.md","text":"https://secwatch.observer/filing/0001193125-24-282047.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1521036/000119312524282047/0001193125-24-282047-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1521036/000119312524282047/d883378d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-29T01:37:20.279668+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"}