CME Group Chief Commercial Officer Sells $3.08M in Class A Shares

Executive Summary

On November 2, 2026, Julie Winkler, Senior Managing Director and Chief Commercial Officer of CME Group Inc. (NASDAQ: CME), executed an open-market sale of 10,079 shares of Class A Common Stock. The shares were sold at a weighted average price of $305.15, resulting in gross proceeds of approximately $3.08 million.

Transaction Breakdown

• Insider: Julie Winkler
• Title: Senior Managing Director & Chief Commercial Officer
• Security: Common Stock Class A
• Transaction Code: S (Open market or private sale)
• Shares Sold: 10,079 shares
• Execution Price: $305.15 (Sold within a range of $305.11 to $305.34)
• Gross Consideration: $3,075,606.85
• Post-Transaction Holdings: 21,482 shares directly owned
• Holding Reduction: Represents a ~31.9% reduction in directly held equity

Strategic Context & Analysis

The sale was executed without the indication of an active Rule 10b5-1 trading plan checkmark (<aff10b5One>0</aff10b5One>). While a disposition of roughly one-third of the officer's direct holdings represents a noteworthy liquidity event, the executive retains a substantial position of 21,482 shares valued at approximately $6.56 million at the transaction price.