CME Group Inc.Insider Ownership
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Current Insider Ownership
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| Savage Terry L | Director | Common Stock Class A | Jun 25, 2024 | 18,189 | 0.01 | 5,328,517 |
| Duffy Terrence A | Chairman and CEO | Common Stock Class A | May 15, 2026 | 55,630 | 0.02 | 16,296,959 |
| Gepsman Martin J | Director | Common Stock Class A | Feb 20, 2026 | 24,999 | 0.01 | 7,323,525 |
Insider Trading Trends
Insider Transactions
Voluntary Buys vs Sells
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Historical Insider Trading (3-Years)
10b5-1
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| Piell Hilda Harris | Common Stock Class A | No | No | Sell | DISPOSE S | 304.63 | -5,753 | 1,752,536 | 27,702 | May 18, 2026 | |
| Duffy Terrence A | Common Stock Class A | No | No | Sell | DISPOSE S | 299.58 | -9,004 | 2,697,418 | 55,630 | May 15, 2026 | |
| Duffy Terrence A | Common Stock Class A | No | No | Sell | DISPOSE S | 298.14 | -25,996 | 7,750,447 | 64,634 | May 15, 2026 | |