Form 4 Filing for CME Group Inc.

This filing details a transaction by Patrick W. Maloney, a director at CME Group Inc., on June 25, 2026. Mr. Maloney acquired 645 shares of Class A Common Stock at a price of $225 per share, bringing his total post-transaction ownership to 4743 shares. The shares were part of the company's annual equity compensation program for non-employee directors and were fully vested upon receipt, as indicated by footnote F1. The filing also includes a Power of Attorney document authorizing representatives for EDGAR filings.