CME Group Director Robert Tierney Receives 645 Shares in Annual Equity Compensation

This Form 4 filing reports that Robert J. Tierney Jr., a director of CME Group Inc., received 645 shares of Class A Common Stock as part of the company's annual equity compensation program for non-employee directors. The transaction occurred on June 25, 2026, with shares priced at $225 each, resulting in a total value of $145,125. These shares were granted under the CME Group Director Stock Plan and are fully vested with no vesting conditions. Following this transaction, Tierney's total holdings increased to 14,345 shares. The filing includes a power of attorney document authorizing company representatives to file Section 16 reports on Tierney's behalf, executed on May 6, 2026. This represents routine director compensation rather than a market transaction.