31 insiders reported 178 Form 4 transactions for CME GROUP INC. (CME) over the past 18 months (most recent 2026-05-19). Recent activity: Piell Hilda Harris (Sr MD & Chief HR Officer) Sell 5,753 shares, DUFFY TERRENCE A (Chairman and CEO) Sell 25,996 shares, DUFFY TERRENCE A (Chairman and CEO) Sell 9,004 shares, SHEPARD WILLIAM R (Director) Buy 1,408 shares, SHEPARD WILLIAM R (Director) Buy 62 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-19 | Piell Hilda Harris | Sr MD & Chief HR Officer | Sell | 5,753 | $1.8M |
| 2026-05-18 | DUFFY TERRENCE A | Chairman and CEO | Sell | 25,996 | $7.8M |
| 2026-05-18 | DUFFY TERRENCE A | Chairman and CEO | Sell | 9,004 | $2.7M |
| 2026-03-30 | SHEPARD WILLIAM R | Director | Buy | 1,408 | $418,646 |
| 2026-03-30 | SHEPARD WILLIAM R | Director | Buy | 62 | $18,455 |
| 2026-03-23 | Marcus Jonathan L | Sr MD General Counsel | Sell | 3,291 | $1.0M |
| 2026-03-19 | Marcus Jonathan L | Sr MD General Counsel | Sell | 3,291 | $1.1M |
| 2026-03-17 | Sammann Derek | Sr MD Gl Hd Commodities Mkts | Buy | 8,256 | $2.6M |
| 2026-03-17 | DUFFY TERRENCE A | Chairman and CEO | Sell | 27,866 | $8.7M |
| 2026-03-17 | Marcus Jonathan L | Sr MD General Counsel | Buy | 5,270 | $1.6M |
| 2026-03-17 | Marcus Jonathan L | Sr MD General Counsel | Sell | 2,377 | $740,198 |
| 2026-03-17 | Marcus Jonathan L | Sr MD General Counsel | Sell | 261 | $81,275 |
| 2026-03-17 | DUFFY TERRENCE A | Chairman and CEO | Buy | 62,902 | $19.6M |
| 2026-03-17 | Sammann Derek | Sr MD Gl Hd Commodities Mkts | Sell | 3,627 | $1.1M |
| 2026-03-17 | Sprague Suzanne | COO & Global Head of Clearing | Buy | 5,504 | $1.7M |
| 2026-03-17 | Sprague Suzanne | COO & Global Head of Clearing | Sell | 2,439 | $759,505 |
| 2026-03-17 | Sprague Suzanne | COO & Global Head of Clearing | Sell | 76 | $23,666 |
| 2026-03-17 | Vroman Ken | Chief Transformation Officer | Buy | 7,076 | $2.2M |
| 2026-03-17 | Vroman Ken | Chief Transformation Officer | Sell | 3,135 | $976,239 |
| 2026-03-17 | Fitzpatrick Lynne | President and CFO | Buy | 5,504 | $1.7M |
| 2026-03-17 | Fitzpatrick Lynne | President and CFO | Sell | 2,439 | $759,505 |
| 2026-03-17 | Fitzpatrick Lynne | President and CFO | Sell | 76 | $23,666 |
| 2026-03-17 | McCourt Timothy Francis | Sr MD Global Head Equity & FX | Buy | 5,504 | $1.7M |
| 2026-03-17 | McCourt Timothy Francis | Sr MD Global Head Equity & FX | Sell | 2,810 | $875,034 |
| 2026-03-17 | McCourt Timothy Francis | Sr MD Global Head Equity & FX | Sell | 94 | $29,272 |
Source: SEC Form 4 filings · as of 2026-05-19