Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-09-25 Purchase | 2026-09-28 4:15 pm | CME GROUP INC. | CME | SHEPARD WILLIAM R Director | 293 | $268.76 | $78,626 | 269,463 (Indirect Direct) | View |
| 2026-09-14 Sale | 2026-09-14 8:04 pm | CME GROUP INC. | CME | Cook Elizabeth A Director | 500 | $280.11 | $140,055 | 17,936 (Indirect) | View |
| 2026-09-10 Sale | 2026-09-11 5:17 pm | CME GROUP INC. | CME | DUFFY TERRENCE A Chairman and CEO | 15,000 | $274.44 | $4,116,539 | 40,630 (Direct) | View |
| 2026-06-25 Purchase | 2026-06-29 4:28 pm | CME GROUP INC. | CME | SHEPARD WILLIAM R Director | 339 | $230.57 | $78,186 | 264,063 (Indirect Direct) | View |
| 2026-05-18 Sale | 2026-05-19 4:22 pm | CME GROUP INC. | CME | Piell Hilda Harris Sr MD & Chief HR Officer | 5,753 | $304.63 | $1,752,536 | 27,702 (Direct) | View |
| 2026-05-15 Sale | 2026-05-18 4:12 pm | CME GROUP INC. | CME | DUFFY TERRENCE A Chairman and CEO | 35,000 | $298.51 | $10,447,866 | 55,630 (Direct) | View |
| 2026-03-26 Purchase | 2026-03-30 5:30 pm | CME GROUP INC. | CME | SHEPARD WILLIAM R Director | 1,470 | $297.38 | $437,101 | 262,657 (Indirect Direct) | View |
| 2026-03-17 Sale(A) | 2026-03-23 09:38 am | CME GROUP INC. | CME | Marcus Jonathan L Sr MD General Counsel | 3,291 | $313.37 | $1,031,301 | 7,192 (Direct) | View |
| 2026-03-17 Sale | 2026-03-19 09:47 am | CME GROUP INC. | CME | Marcus Jonathan L Sr MD General Counsel | 3,291 | $333.37 | $1,097,121 | 7,192 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-08-18 Other | 2026-09-28 4:15 pm | N/A N/A | CME GROUP INC. | CME | SHEPARD WILLIAM R Director | 2,554 | $0 | 269,463 (Direct) | View |
| 2026-09-15 Tax Withholding | 2026-09-17 4:29 pm | N/A N/A | CME GROUP INC. | CME | Winkler Julie Sr MD Chief Commercial Officer | 1,054 | $275.09 | 31,561 (Direct) | View |
| 2026-09-15 Option Award | 2026-09-17 4:29 pm | N/A N/A | CME GROUP INC. | CME | Winkler Julie Sr MD Chief Commercial Officer | 2,864 | $275.09 | 31,561 (Direct) | View |
| 2026-09-16 Tax Withholding | 2026-09-17 4:29 pm | N/A N/A | CME GROUP INC. | CME | Winkler Julie Sr MD Chief Commercial Officer | 359 | $272.46 | 31,561 (Direct) | View |
| 2026-09-15 Tax Withholding | 2026-09-17 4:28 pm | N/A N/A | CME GROUP INC. | CME | Vroman Ken Chief Transformation Officer | 903 | $275.09 | 20,232 (Direct) | View |
| 2026-09-15 Option Award | 2026-09-17 4:28 pm | N/A N/A | CME GROUP INC. | CME | Vroman Ken Chief Transformation Officer | 2,592 | $275.09 | 20,232 (Direct) | View |
| 2026-09-16 Tax Withholding | 2026-09-17 4:28 pm | N/A N/A | CME GROUP INC. | CME | Vroman Ken Chief Transformation Officer | 308 | $272.46 | 20,232 (Direct) | View |
| 2026-09-15 Tax Withholding | 2026-09-17 4:27 pm | N/A N/A | CME GROUP INC. | CME | Tobin Jack J MD Chief Accounting Officer | 296 | $275.09 | 25,762 (Direct) | View |
| 2026-09-15 Option Award | 2026-09-17 4:27 pm | N/A N/A | CME GROUP INC. | CME | Tobin Jack J MD Chief Accounting Officer | 700 | $275.09 | 25,762 (Direct) | View |
| 2026-09-16 Tax Withholding | 2026-09-17 4:27 pm | N/A N/A | CME GROUP INC. | CME | Tobin Jack J MD Chief Accounting Officer | 51 | $272.46 | 25,762 (Direct) | View |
| 2026-09-15 Tax Withholding | 2026-09-17 4:26 pm | N/A N/A | CME GROUP INC. | CME | Sprague Suzanne COO & Global Head of Clearing | 844 | $275.09 | 15,548 (Direct) | View |
| 2026-09-15 Option Award | 2026-09-17 4:26 pm | N/A N/A | CME GROUP INC. | CME | Sprague Suzanne COO & Global Head of Clearing | 2,864 | $275.09 | 15,548 (Direct) | View |
| 2026-09-16 Tax Withholding | 2026-09-17 4:26 pm | N/A N/A | CME GROUP INC. | CME | Sprague Suzanne COO & Global Head of Clearing | 308 | $272.46 | 15,548 (Direct) | View |
| 2026-09-15 Tax Withholding | 2026-09-17 4:25 pm | N/A N/A | CME GROUP INC. | CME | Sammann Derek Sr MD Gl Hd Commodities Mkts | 1,054 | $275.09 | 42,071 (Direct) | View |
| 2026-09-15 Option Award | 2026-09-17 4:25 pm | N/A N/A | CME GROUP INC. | CME | Sammann Derek Sr MD Gl Hd Commodities Mkts | 2,864 | $275.09 | 42,071 (Direct) | View |
| 2026-05-25 Other | 2026-09-17 4:25 pm | N/A N/A | CME GROUP INC. | CME | Sammann Derek Sr MD Gl Hd Commodities Mkts | 4,629 | $0 | 42,071 (Direct) | View |
| 2026-09-16 Tax Withholding | 2026-09-17 4:25 pm | N/A N/A | CME GROUP INC. | CME | Sammann Derek Sr MD Gl Hd Commodities Mkts | 359 | $272.46 | 42,071 (Direct) | View |
| 2026-09-15 Tax Withholding | 2026-09-17 4:24 pm | N/A N/A | CME GROUP INC. | CME | McCourt Timothy Francis Sr MD Global Head Equity & FX | 970 | $275.09 | 13,366 (Direct) | View |
| 2026-09-15 Option Award | 2026-09-17 4:24 pm | N/A N/A | CME GROUP INC. | CME | McCourt Timothy Francis Sr MD Global Head Equity & FX | 2,592 | $275.09 | 13,366 (Direct) | View |
| 2026-09-16 Tax Withholding | 2026-09-17 4:24 pm | N/A N/A | CME GROUP INC. | CME | McCourt Timothy Francis Sr MD Global Head Equity & FX | 364 | $272.46 | 13,366 (Direct) | View |
| 2026-09-15 Tax Withholding | 2026-09-17 4:23 pm | N/A N/A | CME GROUP INC. | CME | Marchese John Clifford Sr MD, General Counsel | 197 | $275.09 | 3,598 (Direct) | View |
| 2026-09-15 Option Award | 2026-09-17 4:23 pm | N/A N/A | CME GROUP INC. | CME | Marchese John Clifford Sr MD, General Counsel | 784 | $275.09 | 3,598 (Direct) | View |
| 2026-09-16 Tax Withholding | 2026-09-17 4:23 pm | N/A N/A | CME GROUP INC. | CME | Marchese John Clifford Sr MD, General Counsel | 44 | $272.46 | 3,598 (Direct) | View |
| 2026-09-15 Tax Withholding | 2026-09-17 4:22 pm | N/A N/A | CME GROUP INC. | CME | Fitzpatrick Lynne President and CFO | 981 | $275.09 | 26,661 (Direct) | View |
| 2026-09-15 Option Award | 2026-09-17 4:22 pm | N/A N/A | CME GROUP INC. | CME | Fitzpatrick Lynne President and CFO | 4,088 | $275.09 | 26,661 (Direct) | View |
| 2026-09-16 Tax Withholding | 2026-09-17 4:22 pm | N/A N/A | CME GROUP INC. | CME | Fitzpatrick Lynne President and CFO | 359 | $272.46 | 26,661 (Direct) | View |
| 2026-09-15 Option Award | 2026-09-17 4:21 pm | N/A N/A | CME GROUP INC. | CME | DUFFY TERRENCE A Chairman and CEO | 21,812 | $275.09 | 62,442 (Direct) | View |
| 2026-09-15 Tax Withholding | 2026-09-17 4:20 pm | N/A N/A | CME GROUP INC. | CME | Dennis Michael G. Global Head of Fixed Income | 274 | $275.09 | 10,723 (Direct) | View |
| 2026-09-15 Option Award | 2026-09-17 4:20 pm | N/A N/A | CME GROUP INC. | CME | Dennis Michael G. Global Head of Fixed Income | 2,592 | $275.09 | 10,723 (Direct) | View |
| 2026-09-16 Tax Withholding | 2026-09-17 4:20 pm | N/A N/A | CME GROUP INC. | CME | Dennis Michael G. Global Head of Fixed Income | 274 | $272.46 | 10,723 (Direct) | View |
| 2026-09-15 Tax Withholding | 2026-09-17 4:19 pm | N/A N/A | CME GROUP INC. | CME | Cutinho Sunil Chief Information Officer | 1,054 | $275.09 | 25,037 (Direct) | View |
| 2026-09-15 Option Award | 2026-09-17 4:19 pm | N/A N/A | CME GROUP INC. | CME | Cutinho Sunil Chief Information Officer | 2,864 | $275.09 | 25,037 (Direct) | View |
| 2026-09-16 Tax Withholding | 2026-09-17 4:19 pm | N/A N/A | CME GROUP INC. | CME | Cutinho Sunil Chief Information Officer | 359 | $272.46 | 25,037 (Direct) | View |
Ownership | 2026-09-14 8:06 pm | N/A N/A | CME GROUP INC. | CME | Marchese John Clifford Sr MD, General Counsel | 0 | $0 | 3,055 (Direct) | View |
| 2026-06-25 Option Award | 2026-06-29 4:31 pm | N/A N/A | CME GROUP INC. | CME | Tierney Robert J JR Director | 645 | $225 | 14,345 (Direct) | View |
| 2026-06-25 Option Award | 2026-06-29 4:30 pm | N/A N/A | CME GROUP INC. | CME | GEPSMAN MARTIN J Director | 645 | $225 | 25,644 (Direct) | View |
| 2026-06-25 Option Award | 2026-06-29 4:28 pm | N/A N/A | CME GROUP INC. | CME | SHEPARD WILLIAM R Director | 1,067 | $225 | 264,063 (Direct) | View |
| 2026-06-25 Option Award | 2026-06-29 4:27 pm | N/A N/A | CME GROUP INC. | CME | Seifu Rahael Director | 645 | $225 | 4,739 (Direct) | View |
| 2026-06-25 Option Award | 2026-06-29 4:25 pm | N/A N/A | CME GROUP INC. | CME | Suskind Dennis Director | 645 | $225 | 3,344 (Direct) | View |
| 2026-06-25 Option Award | 2026-06-29 4:24 pm | N/A N/A | CME GROUP INC. | CME | SIEGEL HOWARD J Director | 1,067 | $225 | 70,731 (Direct) | View |
| 2026-06-25 Option Award | 2026-06-29 4:22 pm | N/A N/A | CME GROUP INC. | CME | Mulchrone Patrick J Director | 645 | $225 | 54,130 (Direct) | View |
| 2026-06-25 Option Award | 2026-06-29 4:21 pm | N/A N/A | CME GROUP INC. | CME | Maloney Patrick W Director | 645 | $225 | 4,743 (Direct) | View |
| 2026-06-25 Option Award | 2026-06-29 4:20 pm | N/A N/A | CME GROUP INC. | CME | Lucas Deborah J Director | 645 | $225 | 4,533 (Direct) | View |
| 2026-06-25 Option Award | 2026-06-29 4:19 pm | N/A N/A | CME GROUP INC. | CME | Lockett Phyllis M Director | 645 | $225 | 4,285 (Direct) | View |
| 2026-06-25 Option Award | 2026-06-29 4:18 pm | N/A N/A | CME GROUP INC. | CME | Kaye Daniel G Director | 645 | $225 | 4,845 (Direct) | View |
| 2026-06-25 Option Award | 2026-06-29 4:17 pm | N/A N/A | CME GROUP INC. | CME | Hobert William W Director | 1,067 | $225 | 168,326 (Direct) | View |
| 2026-05-01 Other | 2026-06-29 4:17 pm | N/A N/A | CME GROUP INC. | CME | Hobert William W Director | 20,320 | $0 | 168,326 (Indirect) | View |
| 2026-06-25 Option Award | 2026-06-29 4:15 pm | N/A N/A | CME GROUP INC. | CME | Ford Harold Eugene Jr. Director | 1,067 | $225 | 2,158 (Direct) | View |
| 2026-06-25 Option Award | 2026-06-29 4:14 pm | N/A N/A | CME GROUP INC. | CME | Durkin Bryan T Director | 645 | $225 | 43,652 (Direct) | View |
| 2026-06-25 Option Award | 2026-06-29 4:13 pm | N/A N/A | CME GROUP INC. | CME | Cook Elizabeth A Director | 645 | $225 | 18,436 (Indirect) | View |
| 2026-06-25 Option Award | 2026-06-29 4:11 pm | N/A N/A | CME GROUP INC. | CME | Carey Charles P Director | 1,067 | $225 | 7,031 (Indirect) | View |
| 2026-06-25 Option Award | 2026-06-29 4:10 pm | N/A N/A | CME GROUP INC. | CME | Bitsberger Timothy S. Director | 645 | $225 | 11,766 (Direct) | View |
| 2026-06-25 Option Award | 2026-06-29 4:08 pm | N/A N/A | CME GROUP INC. | CME | Benesh Kathryn Director | 645 | $225 | 2,752 (Direct) | View |
| 2026-03-15 Option Award | 2026-03-17 12:24 pm | N/A N/A | CME GROUP INC. | CME | McCourt Timothy Francis Sr MD Global Head Equity & FX | 5,504 | $311.4 | 12,108 (Direct) | View |
| 2026-03-15 Tax Withholding | 2026-03-17 12:24 pm | N/A N/A | CME GROUP INC. | CME | McCourt Timothy Francis Sr MD Global Head Equity & FX | 2,904 | $311.4 | 12,108 (Direct) | View |
| 2026-03-15 Option Award | 2026-03-17 12:24 pm | N/A N/A | CME GROUP INC. | CME | Marcus Jonathan L Sr MD General Counsel | 5,270 | $311.4 | 10,483 (Direct) | View |
| 2026-03-15 Tax Withholding | 2026-03-17 12:24 pm | N/A N/A | CME GROUP INC. | CME | Marcus Jonathan L Sr MD General Counsel | 2,638 | $311.4 | 10,483 (Direct) | View |