Trade Summary

3 days ago, Piell Hilda Harris, serving as Sr MD, CHRO at Cme Group Inc. (CME), sold 5,753 shares at $304.63 per share, for a total transaction value of $1,752,536.00. Following this transaction, Piell Hilda Harris now holds 27,702 shares of CME.

This sale represents a 17.00% decrease in Piell Hilda Harris's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Monday, May 18, 2026 and publicly disclosed via SEC Form 4 filing on Tuesday, May 19, 2026 at 4:22 PM ET, 1 day after the trade was made.

Cme Group Inc. operates in the FINANCIAL SERVICES sector, specifically within the FINANCIAL DATA & STOCK EXCHANGES industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.