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AI brief of an SEC Form 8-K · CME (CME)

CME Group names Jack Tobin CFO and John Marchese general counsel

Neutral Impact 4 of 5 leadership Written later

CME Group announced senior leadership changes in its finance and legal divisions. Jack Tobin becomes Deputy Chief Financial Officer on November 2, 2026, and Chief Financial Officer in March 2027, when Lynne Fitzpatrick becomes Chief Executive Officer. The changes also bring a new General Counsel, John Marchese, and a new Chief Accounting Officer, Matthew Render, but the filing gives no financial results or figures tied to these appointments.

Key points

  • Jack Tobin becomes Deputy Chief Financial Officer on November 2, 2026, and Chief Financial Officer in March 2027, when Lynne Fitzpatrick becomes Chief Executive Officer.
  • Matthew Render succeeds Tobin as Managing Director, Chief Accounting Officer effective November 2, 2026, after joining CME Group in August 2026.
  • John Marchese is promoted to General Counsel, succeeding Jonathan Marcus, who has served as General Counsel since 2022 and is stepping down later this month.
  • Tobin previously planned to retire effective October 30, 2026, but will now continue with the company.

The filing

CompanyCME (CME)
Form8-K, current report
Filed with the SECSep 9, 2026, 11:15 AM ET
Accession number0001193125-26-386091

Items reported: 5.02 Director / Officer Change

Read the filing on SEC.gov ↗

Written by AI on Nov 8, 2026, 1:21 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on September 09, 2026.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.