CME GROUP INC. insider trading
CME$263.14-1.96 (-0.74%)
“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.”
Insider Trading vs Stock Price
Insider Trading vs Stock Price data
Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (-0.9%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Open market purchase
Open market sellNet dollar flow · Buy / Sell balance
PremiumQ2 '25Q3 '25Q4 '25Q1 '26Q2 '26Q3 '26
Unlock quarterly net flowKey players
- WRWilliam R. Shepard0.0735%
- WWWilliam W. Hobert0.0355%
- HJHoward J. Siegel0.0197%
- TATerrence A. Duffy0.0174%
- PJPatrick J. Mulchrone0.0151%
- BTBryan T. Durkin0.0121%
- LGLarry G. Gerdes0.0102%
- DSDerek Sammann0.0091%
- JWJulie Winkler0.0088%
- HHHilda Harris Piell0.0077%
AI Activity Analysis
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Insider activity
Fromto
| Company | Insider / role | Action | ΔOwn | Avg price | Amount | ||
|---|---|---|---|---|---|---|---|
| CME | William R. Shepard | Open market purchase$78.6K | +0.1% | $268.76 | $78.6K | Sep 25, 2026 | Sep 28, 2026 |
| CME | Elizabeth A. Cook | Open market sell$140K | -2.7% | $280.11 | $140K | Sep 14, 2026 | Sep 14, 2026 |
| CME | Terrence A. Duffy | Open market sell$173K | -1.5% | $275.03 | $173K | Sep 10, 2026 | Sep 11, 2026 |
| CME | Terrence A. Duffy | Open market sell$3.94M | -25.8% | $274.41 | $3.94M | Sep 10, 2026 | Sep 11, 2026 |
| CME | William R. Shepard | Open market purchase$74.9K | +0.1% | $230.57 | $74.9K | Jun 25, 2026 | Jun 29, 2026 |
| CME | William R. Shepard | Open market purchase$3.3K | 0.0% | $230.57 | $3.3K | Jun 25, 2026 | Jun 29, 2026 |
| CME | Hilda Harris Piell | Open market sell$1.75M | -17.2% | $304.63 | $1.75M | May 18, 2026 | May 19, 2026 |
| CME | Terrence A. Duffy | Open market sell$2.7M | -13.9% | $299.58 | $2.7M | May 15, 2026 | May 18, 2026 |
| CME | Terrence A. Duffy | Open market sell$7.75M | -28.7% | $298.14 | $7.75M | May 15, 2026 | May 18, 2026 |
| CME | William R. Shepard | Open market purchase$18.5K | 0.0% | $297.38 | $18.5K | Mar 26, 2026 | Mar 30, 2026 |
| CME | William R. Shepard | Open market purchase$419K | +0.5% | $297.38 | $419K | Mar 26, 2026 | Mar 30, 2026 |
| CME | Jonathan L. Marcus | Open market sell$1.03M | -31.4% | $313.37 | $1.03M | Mar 17, 2026 | Mar 23, 2026 |
| CME | Ken Vroman | Open market sell$1.59M | -25.7% | $309.00 | $1.59M | Mar 12, 2026 | Mar 12, 2026 |
| CME | Elizabeth A. Cook | Open market sell$320K | -5.3% | $320.00 | $320K | Mar 6, 2026 | Mar 9, 2026 |
| CME | Bryan T. Durkin | Open market sell$1.3M | -8.9% | $309.65 | $1.3M | Feb 23, 2026 | Feb 23, 2026 |
| CME | Martin J. Gepsman | Open market sell$91.8K | -1.2% | $305.90 | $91.8K | Feb 20, 2026 | Feb 20, 2026 |
| CME | Dennis Suskind | Open market sell$224K | -21.7% | $300.00 | $224K | Feb 6, 2026 | Feb 9, 2026 |
| CME | William R. Shepard | Open market purchase$69.9K | +0.1% | $278.37 | $69.9K | Dec 30, 2025 | Jan 2, 2026 |
| CME | William R. Shepard | Open market purchase$3.08K | 0.0% | $278.37 | $3.08K | Dec 30, 2025 | Jan 2, 2026 |
| CME | Terrence A. Duffy | Open market sell$3.22M | -15.3% | $270.05 | $3.22M | Dec 11, 2025 | Dec 15, 2025 |
| CME | Terrence A. Duffy | Open market sell$3.52M | -14.4% | $269.10 | $3.52M | Dec 11, 2025 | Dec 15, 2025 |
| CME | Derek Sammann | Open market sell$362K | -2.9% | $275.74 | $362K | Nov 20, 2025 | Nov 21, 2025 |
| CME | Derek Sammann | Open market sell$1.62M | -11.9% | $275.65 | $1.62M | Nov 20, 2025 | Nov 21, 2025 |
| CME | Harold Eugene Ford Jr. | Open market sell$264K | -47.8% | $263.53 | $264K | Nov 3, 2025 | Nov 4, 2025 |