32 insiders reported 210 Form 4 transactions for CME GROUP INC. (CME) over the past 18 months (most recent 2026-09-17). Recent activity: DUFFY TERRENCE A (Chairman and CEO) Buy 21,812 shares, McCourt Timothy Francis (Sr MD Global Head Equity & FX) Sell 302 shares, Sammann Derek (Sr MD Gl Hd Commodities Mkts) Sell 4,629 shares, Cutinho Sunil (Chief Information Officer) Buy 2,864 shares, Tobin Jack J (MD Chief Accounting Officer) Buy 700 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-17 | DUFFY TERRENCE A | Chairman and CEO | Buy | 21,812 | $6.0M |
| 2026-09-17 | McCourt Timothy Francis | Sr MD Global Head Equity & FX | Sell | 302 | $83,077 |
| 2026-09-17 | Sammann Derek | Sr MD Gl Hd Commodities Mkts | Sell | 4,629 | $0 |
| 2026-09-17 | Cutinho Sunil | Chief Information Officer | Buy | 2,864 | $787,858 |
| 2026-09-17 | Tobin Jack J | MD Chief Accounting Officer | Buy | 700 | $192,563 |
| 2026-09-17 | Winkler Julie | Sr MD Chief Commercial Officer | Buy | 2,864 | $787,858 |
| 2026-09-17 | Dennis Michael G. | Global Head of Fixed Income | Buy | 2,592 | $713,033 |
| 2026-09-17 | Vroman Ken | Chief Transformation Officer | Buy | 2,592 | $713,033 |
| 2026-09-17 | Fitzpatrick Lynne | President and CFO | Buy | 4,088 | $1.1M |
| 2026-09-17 | McCourt Timothy Francis | Sr MD Global Head Equity & FX | Buy | 2,592 | $713,033 |
| 2026-09-17 | Marchese John Clifford | Sr MD, General Counsel | Buy | 784 | $215,671 |
| 2026-09-17 | Vroman Ken | Chief Transformation Officer | Sell | 320 | $88,029 |
| 2026-09-17 | Sammann Derek | Sr MD Gl Hd Commodities Mkts | Buy | 4,629 | $0 |
| 2026-09-17 | Cutinho Sunil | Chief Information Officer | Sell | 373 | $102,609 |
| 2026-09-17 | Tobin Jack J | MD Chief Accounting Officer | Sell | 44 | $12,104 |
| 2026-09-17 | Winkler Julie | Sr MD Chief Commercial Officer | Sell | 373 | $102,609 |
| 2026-09-17 | Dennis Michael G. | Global Head of Fixed Income | Sell | 274 | $75,375 |
| 2026-09-17 | Sprague Suzanne | COO & Global Head of Clearing | Sell | 249 | $68,497 |
| 2026-09-17 | Fitzpatrick Lynne | President and CFO | Sell | 249 | $68,497 |
| 2026-09-17 | Tobin Jack J | MD Chief Accounting Officer | Sell | 47 | $12,929 |
| 2026-09-17 | Marchese John Clifford | Sr MD, General Counsel | Sell | 43 | $11,829 |
| 2026-09-17 | Vroman Ken | Chief Transformation Officer | Sell | 309 | $85,003 |
| 2026-09-17 | Sammann Derek | Sr MD Gl Hd Commodities Mkts | Buy | 2,864 | $787,858 |
| 2026-09-17 | Cutinho Sunil | Chief Information Officer | Sell | 361 | $99,307 |
| 2026-09-17 | Sprague Suzanne | COO & Global Head of Clearing | Buy | 2,864 | $787,858 |
Source: SEC Form 4 filings · as of 2026-09-17