SEC Filing Summary for CME Group Inc.

Suzanne Sprague, COO & Global Head of Clearing at CME Group Inc., reported a series of transactions on March 15, 2026, involving shares of Common Stock Class A. Sprague acquired 5,504 shares 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 from January 1, 2023, to December 31, 2025. Subsequently, Sprague disposed of 2,439 shares and an additional 76 shares to fulfill tax withholding obligations related to the vesting of these performance shares and restricted stock, respectively. The transactions were executed at a price of $311.40 per share. Following these transactions, Sprague's post-transaction share count stands at 13,836.