SEC Filing Summary for CME Group Inc.

This filing details transactions made by Derek Sammann, Sr MD Gl Hd Commodities Mkts at CME Group Inc. on March 15, 2026. Sammann acquired 8,256 shares of Common Stock Class A through the vesting of performance shares granted in 2022, with the number of shares determined by the company's total shareholder return relative to the S&P 500 over a three-year period from January 1, 2023, to December 31, 2025. Additionally, Sammann surrendered 3,627 shares to the company to cover tax withholding obligations related to this award. Following these transactions, Sammann directly holds 16,939 shares and indirectly holds 11,028 shares through a trust and 7,022 shares through his spouse. The price per share for these transactions was $311.40.