CME Group Officer Julie Winkler Files Form 144 to Sell $3.08M in Common Stock

Executive Summary

On November 2, 2026, Julie Winkler, an Officer of CME Group Inc., filed a Form 144 notice disclosing the intent to sell 10,079 shares of CME common stock. The proposed transaction carries an estimated market value of $3,075,614.91, implying an average price per share of approximately $305.15.

Transaction Details

• Filer: Julie Winkler
• Role: Officer
• Number of Shares: 10,079
• Total Value: $3,075,614.91
• Broker: Morgan Stanley Smith Barney LLC Executive Financial Services
• Approximate Sale Date: November 2, 2026
• Source of Shares: The shares to be sold originated from multiple equity compensation grants (Restricted Stock and Performance Shares) awarded by the issuer between September 16, 2020, and March 15, 2025.
• Past 3-Month Activity: The reporting person indicated no other sales occurred in the preceding three months.

Market & Trading Context

CME Group has 357,930,746 shares outstanding, making the proposed sale of 10,079 shares negligible in terms of overall market dilution (<0.01% of shares outstanding). However, the nominal dollar volume of ~$3.08M represents a sizable liquidation event for an individual executive, warranting moderate observation as routine equity compensation monetization.