{"schema_version":"secwatch.filing_event.v1","accession":"0001156375-25-000190","form_type":"8-K","ticker":"CME","cik":"0001156375","company_name":"CME GROUP INC.","filed_at":"2025-09-11T23:59:59+00:00","discovered_at":"2026-05-14T18:02:43.449621+00:00","generated_at":"2026-05-17T06:50:04.360314+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"CME Group CAO Jack Tobin to retire; will stay through Oct 30, 2026","bullets":["Jack Tobin, Managing Director and Chief Accounting Officer, notified retirement on Sept 9, 2025.","He will remain CAO until Oct 30, 2026, to support transition.","Tobin served as CAO since 2015 and has been with CME for over 23 years.","Retirement is voluntary, not due to any disagreements over accounting or policies.","Company will initiate search for successor; Tobin to assist with transition."],"urls":{"canonical":"https://secwatch.observer/filing/0001156375-25-000190","json":"https://secwatch.observer/filing/0001156375-25-000190.json","markdown":"https://secwatch.observer/filing/0001156375-25-000190.md","text":"https://secwatch.observer/filing/0001156375-25-000190.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1156375/000115637525000190/0001156375-25-000190-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1156375/000115637525000190/cme-20250909.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T06:50:04.360314+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"}