{"filing":{"accession_number":"0001193125-26-273442","cik":"0001156375","ticker":"CME","company_name":"CME GROUP INC.","form":"8-K","filing_date":"2026-06-17","report_date":null,"primary_document":"d129556d8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1156375/000119312526273442/d129556d8k.htm"},"events":[{"id":11460,"run_id":10060,"accession_number":"0001193125-26-273442","anchor_item_number":"5.02","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.75,"summary":"Lynne C. Fitzpatrick has been appointed as Chief Executive Officer of CME Group, effective on the later of March 1, 2027, or the 2026 10-K filing date, succeeding Terrence A. Duffy. Duffy will transition to Executive Chairman, and compensatory arrangements have been established for both executives as part of the planned succession.","company_name":"CME GROUP INC.","ticker":"CME","filing_date":"2026-06-17","form":"8-K","submitted_at":null,"items":[{"id":8053,"accession_number":"0001193125-26-273442","item_number":"5.02","item_title":null,"event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.75,"reasoning":"The filing discloses a CEO succession where Lynne C. Fitzpatrick will succeed Terrence A. Duffy as Chief Executive Officer effective on the Transition Date (later of March 1, 2027, or the 2026 10-K filing date). While the disclosure also covers Duffy's transition to Executive Chairman and compensatory arrangements for both executives, the principal action is Fitzpatrick's appointment to the CEO role and Board appointment, making exec_appointment the most salient classification. The event is material as it represents a significant leadership change at a major financial exchange operator.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-17T12:37:09.539396+00:00","company_name":"","ticker":null,"filing_date":""},{"id":8054,"accession_number":"0001193125-26-273442","item_number":"7.01","item_title":null,"event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.45,"reasoning":"The filing discloses a \"Leadership Transition\" via press release on June 17, 2026, but the Item 7.01 disclosure itself provides no substantive detail about the nature of the transition. Without access to Exhibit 99.1, the specific event—whether an executive departure, appointment, or compensation arrangement—cannot be determined from the 8-K text alone. The reference to a leadership transition suggests materiality, but the event type cannot be reliably classified without the exhibit content.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-17T12:37:09.539396+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":8053,"accession_number":"0001193125-26-273442","item_number":"5.02","item_title":null,"event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.75,"reasoning":"The filing discloses a CEO succession where Lynne C. Fitzpatrick will succeed Terrence A. Duffy as Chief Executive Officer effective on the Transition Date (later of March 1, 2027, or the 2026 10-K filing date). While the disclosure also covers Duffy's transition to Executive Chairman and compensatory arrangements for both executives, the principal action is Fitzpatrick's appointment to the CEO role and Board appointment, making exec_appointment the most salient classification. The event is material as it represents a significant leadership change at a major financial exchange operator.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-17T12:37:09.539396+00:00","company_name":"CME GROUP INC.","ticker":"CME","filing_date":"2026-06-17"},{"id":8054,"accession_number":"0001193125-26-273442","item_number":"7.01","item_title":null,"event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.45,"reasoning":"The filing discloses a \"Leadership Transition\" via press release on June 17, 2026, but the Item 7.01 disclosure itself provides no substantive detail about the nature of the transition. Without access to Exhibit 99.1, the specific event—whether an executive departure, appointment, or compensation arrangement—cannot be determined from the 8-K text alone. The reference to a leadership transition suggests materiality, but the event type cannot be reliably classified without the exhibit content.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-17T12:37:09.539396+00:00","company_name":"CME GROUP INC.","ticker":"CME","filing_date":"2026-06-17"}]}