CME GROUP INC Class A (CME) insider trading activity (SEC Form 4). Over the trailing 90 days, CME insiders filed 1 purchases totalling $78K and 2 sales totalling $4.3M — net SELLING of $4.2M. Most recent filing: Sep 14, 2026. Insider transactions are a Pro-tier alertable signal in the live Top Tier Newswire terminal — Form 4 filings reach the wire within minutes of acceptance by the SEC. Data shown publicly here is delayed 4 hours.
| Filed | Insider | Role | Type | Shares | Price | Value | |
|---|---|---|---|---|---|---|---|
| Sep 14, 2026 | Cook Elizabeth A | Dir | S Sale | — | $280.11 | $140K | filing |
| Sep 11, 2026 | Duffy Terrence A | COB, CEO | S Sale | — | $274.44 | $4.1M | filing |
| Jun 29, 2026 | Shepard William R | Dir | P Purchase | — | $230.57 | $78K | filing |
| May 19, 2026 | Piell Hilda Harris | Sr MD, CHRO | S Sale | — | $304.63 | $1.8M | filing |
| May 18, 2026 | Duffy Terrence A | COB, CEO | S Sale | — | $298.51 | $10.4M | filing |