A statement of changes in beneficial ownership filed on September 11, 2026, disclosed that Terrence A. Duffy, Chairman and CEO of CME Group Inc., sold a combined 15,000 shares of CME Group Class A Common Stock on September 10, 2026.

Key Highlights

  • Reporting person: Terrence A. Duffy, serving as both Chairman and CEO of CME Group Inc. (NASDAQ:CME)
  • First sale: 14,372 shares of Common Stock Class A disposed of at a weighted average price of $274.41, with individual transaction prices ranging from $273.875 to $274.85
  • Second sale: 628 shares of Common Stock Class A disposed of at a weighted average price of $275.03, with individual transaction prices ranging from $274.9056 to $275.0804
  • Remaining direct ownership: 40,630 shares of Common Stock Class A held directly following both reported transactions
  • Transaction date: Both sales occurred on September 10, 2026, and were reported the following day

Duffy Reduces Direct Stake in CME Group on September 10, 2026

According to the filing, Terrence A. Duffy, who serves as Chairman and CEO of CME Group Inc., disposed of a total of 15,000 shares of Common Stock Class A through two separate sell transactions on September 10, 2026. CME Group operates one of the world's largest derivatives marketplace networks, offering trading across interest rates, equity indexes, foreign exchange, energy, agricultural commodities, and metals.

The filing reports the first transaction as a sale of 14,372 shares at a weighted average price of $274.41. The filing's footnote notes that these shares "were sold in multiple transactions at prices ranging from $273.875 to $274.85, inclusive." The second transaction involved 628 shares sold at a weighted average price of $275.03, with individual sale prices ranging from $274.9056 to $275.0804, also described in the filing as a weighted average across multiple transactions.

Following both dispositions, Duffy's direct beneficial ownership stood at 40,630 shares of Common Stock Class A, according to the filing. Both transactions carry transaction code "S" and are recorded as direct holdings. The filing was signed by Elizabeth Hensen as Attorney-in-Fact for Terrence A. Duffy on September 11, 2026. No derivative securities transactions were reported in Table II of the filing.

What Was Disclosed

The filing disclosed two sales of CME Group Class A Common Stock by Chairman and CEO Terrence A. Duffy on September 10, 2026, totaling 15,000 shares at weighted average prices of $274.41 and $275.03, leaving him with 40,630 shares held directly.