CME Group Initial Statement of Beneficial Ownership Filed by General Counsel

CME Group Inc. ($CME) - Initial Statement of Beneficial Ownership (Form 3)

Summary

On September 14, 2026, John Clifford Marchese, Senior Managing Director and General Counsel of CME Group Inc., filed an initial statement of beneficial ownership on Form 3 disclosing direct ownership of 3,055 shares of Class A Common Stock as of the event date on September 11, 2026.

Key Details

• Reporting Insider: John Clifford Marchese
• Role: Senior Managing Director, General Counsel
• Security: Common Stock Class A
• Reported Direct Holding: 3,055 shares
• Derivative Holdings: None reported

Assessment

This is a standard Form 3 filing establishing the insider's initial reporting status following appointment or designation as an executive officer. Because no open-market transactions or derivative exercises took place, the trading significance is considered Low.