{"schema_version":"secwatch.filing_event.v1","accession":"0001725160-25-000154","form_type":"8-K","ticker":"ZNTL","cik":"0001725160","company_name":"Zentalis Pharmaceuticals, Inc.","filed_at":"2025-08-26T23:59:59+00:00","discovered_at":"2026-05-14T18:02:44.807485+00:00","generated_at":"2026-05-17T09:58:09.674947+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Zentalis appoints James B. Bucher as Chief Legal Officer; Andrea Paul resigns to join law firm","bullets":["Andrea Paul resigns as Chief Legal Officer and Corporate Secretary effective Sept 18, 2025.","James B. Bucher appointed as new Chief Legal Officer and Corporate Secretary effective same date.","Paul will remain a non-executive employee through Oct 1, 2025, and expects release agreement including 2025 bonus and equity vesting.","Bucher previously led legal at Harpoon Therapeutics during its Merck acquisition and at Alder Biopharmaceuticals."],"urls":{"canonical":"https://secwatch.observer/filing/0001725160-25-000154","json":"https://secwatch.observer/filing/0001725160-25-000154.json","markdown":"https://secwatch.observer/filing/0001725160-25-000154.md","text":"https://secwatch.observer/filing/0001725160-25-000154.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1725160/000172516025000154/0001725160-25-000154-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1725160/000172516025000154/zntl-20250826.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T09:58:09.674947+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"}