Form 4 Filing for CME Group Inc. by Howard J. Siegel

This filing details transactions made by Howard J. Siegel, a director at CME Group Inc., on June 25, 2026. Siegel acquired 645 shares of Common Stock Class A under a director stock plan, valued at $225 per share, and an additional 422 shares in lieu of cash compensation, also valued at $225 per share. These transactions are part of the company's annual equity compensation program for non-employee directors. Following these acquisitions, Siegel indirectly owns 21,873 shares classified as 'by Trust'. The filing also includes a power of attorney document authorizing representatives to manage EDGAR filings on behalf of Mr. Siegel.