secwatch.observer — SEC 8-K summary
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Issuer:     CME GROUP INC. (CME)
CIK:        0001156375
Form:       8-K
Filed at:   2026-09-09T15:15:33+00:00
Accession:  0001193125-26-386091
Event type: leadership
Sentiment:  neutral
Materiality: 0.60
Item codes: 5.02, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

CME Group names Tobin CFO, Marchese GC, Render CAO in leadership reshuffle
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- 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.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1156375/000119312526386091/0001193125-26-386091-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1156375/000119312526386091/d157844d8k.htm
  HTML page:      https://secwatch.observer/filing/0001193125-26-386091

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