CME Group Inc. (CME) has 20 known insider and institutional holders on record. The largest holder is DUFFY TERRENCE A with 90,630 shares. Other notable holders include Hobert William W and WESCOTT DAVID J.
Over the last 12 months, insiders have made 84 transactions in CME stock — 23 buys (valued at $9.46M) and 23 sells (valued at $14.62M).
CME Insider Ownership
Top Holder
DUFFY TERRENCE A
90,630 shares
Buys (12 mo)
23
$9.46M value
Sells (12 mo)
23
$14.62M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Duffy Terrence A |
Chairman and CEO |
90,630 |
2026-03-17 |
|
| 2 |
Hobert William W |
Director |
86,598 |
2025-06-26 |
|
| 3 |
Wescott David J |
Director |
75,859 |
2019-06-27 |
|
| 4 |
Kometer Kevin |
Sr Md Chief Information Office |
63,207 |
2022-02-14 |
|
| 5 |
Pietrowicz John W. |
Sr Md Chief Financial Officer |
51,867 |
2022-09-19 |
|
| 6 |
Siegel Howard J |
Director |
47,791 |
2025-06-26 |
|
| 7 |
Durkin Bryan T |
Director |
43,007 |
2026-02-23 |
|
| 8 |
Cronin Kathleen M |
Sr Md Gen Counsel & Corp Secr |
41,466 |
2022-03-17 |
|
| 9 |
Gerdes Larry G |
Director |
38,651 |
2025-04-28 |
|
| 10 |
Holzrichter Julie |
Sr Md Chief Operating Officer |
36,833 |
2024-09-17 |
|
| 11 |
Hertshten Gedon |
Director |
35,687 |
2019-06-27 |
|
| 12 |
Piell Hilda Harris |
Sr Md & Chief HR Officer |
33,455 |
2026-03-17 |
|
| 13 |
Winkler Julie |
Sr Md Chief Commercial Officer |
30,110 |
2026-03-17 |
|
| 14 |
Mulchrone Patrick J |
Director |
28,485 |
2025-06-26 |
|
| 15 |
Tobin Jack J |
Md Chief Accounting Officer |
25,409 |
2026-03-17 |
|
| 16 |
Gepsman Martin J |
Director |
24,999 |
2026-02-20 |
|
| 17 |
Fitzpatrick Lynne |
President and CFO |
23,913 |
2026-03-17 |
|
| 18 |
Cutinho Sunil |
Chief Information Officer |
23,586 |
2026-03-17 |
|
| 19 |
Tully Sean |
Sr Md Global Hd Rates & Otc |
22,087 |
2022-12-19 |
|
| 20 |
Pollock Alex J |
Director |
19,849 |
2019-06-27 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-26 |
Shepard William R |
Director |
Informative Buy |
62 |
$297.38 |
$18.44K |
| 2026-03-17 |
Marcus Jonathan L |
Sr Md General Counsel |
Informative Sell |
3,291 |
$313.37 |
$1.03M |
| 2026-03-17 |
Marcus Jonathan L |
Sr Md General Counsel |
Informative Sell |
3,291 |
$333.37 |
$1.1M |
| 2026-03-15 |
Marcus Jonathan L |
Sr Md General Counsel |
Tax Withholding of RSU |
261 |
$311.40 |
$81.28K |
| 2026-03-15 |
Mccourt Timothy Francis |
Sr Md Global Head Equity & Fx |
Tax Withholding of RSU |
94 |
$311.40 |
$29.27K |
| 2026-03-15 |
Fitzpatrick Lynne |
President and CFO |
Tax Withholding of RSU |
76 |
$311.40 |
$23.67K |
| 2026-03-15 |
Sprague Suzanne |
COO & Global Head of Clearing |
Tax Withholding of RSU |
76 |
$311.40 |
$23.67K |
| 2026-03-15 |
Winkler Julie |
Sr Md Chief Commercial Officer |
Tax Withholding of RSU |
3,658 |
$311.40 |
$1.14M |
| 2026-03-15 |
Tobin Jack J |
Md Chief Accounting Officer |
Tax Withholding of RSU |
179 |
$311.40 |
$55.74K |
| 2026-03-15 |
Cutinho Sunil |
Chief Information Officer |
Tax Withholding of RSU |
3,658 |
$311.40 |
$1.14M |
| 2026-03-15 |
Sammann Derek |
Sr Md Gl Hd Commodities Mkts |
Tax Withholding of RSU |
3,627 |
$311.40 |
$1.13M |
| 2026-03-15 |
Vroman Ken |
Chief Transformation Officer |
Tax Withholding of RSU |
3,135 |
$311.40 |
$976.24K |
| 2026-03-15 |
Piell Hilda Harris |
Sr Md & Chief HR Officer |
Tax Withholding of RSU |
3,039 |
$311.40 |
$946.34K |
| 2026-03-15 |
Duffy Terrence A |
Chairman and CEO |
Tax Withholding of RSU |
27,866 |
$311.40 |
$8.68M |
| 2026-03-11 |
Tobin Jack J |
Md Chief Accounting Officer |
Gift (Given) |
105 |
- |
- |
| 2026-03-12 |
Vroman Ken |
Chief Transformation Officer |
Informative Sell |
5,160 |
$309.00 |
$1.59M |
| 2026-03-06 |
Cook Elizabeth A |
Director |
Informative Sell |
1,000 |
$320.00 |
$320K |
| 2026-02-23 |
Durkin Bryan T |
Director |
Informative Sell |
4,200 |
$309.65 |
$1.3M |
| 2026-02-20 |
Gepsman Martin J |
Director |
Informative Sell |
300 |
$305.90 |
$91.77K |
| 2026-02-06 |
Suskind Dennis |
Director |
Informative Sell |
748 |
$300.00 |
$224.4K |
| 2025-12-30 |
Shepard William R |
Director |
Informative Buy |
11 |
$278.37 |
$3.06K |
| 2025-12-31 |
Duffy Terrence A |
Chairman and CEO |
Tax Withholding of RSU |
10,210 |
$273.08 |
$2.79M |
| 2025-12-11 |
Duffy Terrence A |
Chairman and CEO |
Informative Sell |
11,911 |
$270.05 |
$3.22M |
| 2025-11-20 |
Sammann Derek |
Sr Md Gl Hd Commodities Mkts |
Informative Sell |
1,314 |
$275.74 |
$362.32K |
| 2025-11-06 |
Sammann Derek |
Sr Md Gl Hd Commodities Mkts |
Other (Sell) |
2,300 |
- |
- |
