{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-386091","form_type":"8-K","ticker":"CME","cik":"0001156375","company_name":"CME GROUP INC.","filed_at":"2026-09-09T15:15:33+00:00","discovered_at":"2026-09-09T15:17:17.118549+00:00","generated_at":"2026-09-09T15:17:22.899393+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"CME Group names Tobin CFO, Marchese GC, Render CAO in leadership reshuffle","bullets":["Jack Tobin to become CFO in March 2027, succeeding Lynne Fitzpatrick who becomes CEO; Tobin becomes Deputy CFO in Nov 2026.","Matthew Render appointed Chief Accounting Officer effective Nov 2, 2026, succeeding Tobin; Render joined CME in Aug 2026 from Citadel.","John Marchese promoted to General Counsel, succeeding Jonathan Marcus later this month; Marchese had been Associate GC since 2024.","Tobin has been CAO since 2015; Render previously held finance roles at Citadel, BP, and Ernst & Young."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-386091","json":"https://secwatch.observer/filing/0001193125-26-386091.json","markdown":"https://secwatch.observer/filing/0001193125-26-386091.md","text":"https://secwatch.observer/filing/0001193125-26-386091.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1156375/000119312526386091/0001193125-26-386091-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1156375/000119312526386091/d157844d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-09-09T15:17:22.899393+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":"7dac012ed9","claim":"Jack Tobin changed role as Chief Financial Officer at CME GROUP INC..","evidence_excerpt":"Mr. Tobin will assume the role of Chief Financial Officer in March 2027, effective with Lynne Fitzpatrick’s transition to the role of Chief Executive Officer, as detailed in the Company’s Current Report on Form 8-K filed on June 17, 2026.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1156375/000119312526386091/0001193125-26-386091-index.htm","confidence":0.9,"family_label":"Executive change","details":[{"label":"Action","value":"will assume"},{"label":"Role","value":"Chief Financial Officer"}],"fact_type":"executive_change"},{"claim_id":"9490f54f93","claim":"Matthew Render was appointed as Managing Director, Chief Accounting Officer at CME GROUP INC..","evidence_excerpt":"Matthew Render, 47, will succeed Mr. Tobin as the Company’s Managing Director, Chief Accounting Officer effective as of November 2, 2026.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1156375/000119312526386091/0001193125-26-386091-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Managing Director, Chief Accounting Officer"}],"fact_type":"executive_change"},{"claim_id":"bc05776972","claim":"Jack Tobin was appointed as Managing Director, Deputy Chief Financial Officer at CME GROUP INC..","evidence_excerpt":"Jack Tobin, 63, will be appointed to the role of Managing Director, Deputy Chief Financial Officer as of November 2, 2026.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1156375/000119312526386091/0001193125-26-386091-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Managing Director, Deputy Chief Financial Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}