$CME (CME GROUP) — 8-K: CME names Jack Tobin CFO effective March 2027; John Marchese becomes General Counsel

CME Group announced senior leadership changes in its finance and legal divisions. Jack Tobin, Chief Accounting Officer since 2015, will become Deputy Chief Financial Officer in November 2026 and Chief Financial Officer in March 2027, when current President & CFO Lynne Fitzpatrick becomes CEO. Matthew Render will succeed Tobin as Chief Accounting Officer. John Marchese, Managing Director & Associate General Counsel since 2024, has been promoted to General Counsel, succeeding Jonathan Marcus, who is stepping down after serving as General Counsel since 2022.

CME Group 8-K filing signals potential derivatives market developments.