CME Group Inc. (CME) Insider Trading
Over the last 3 months, CME insiders made 2 open-market buys and 7 sales, a net sale of -$15.8M (SEC Form 4). Over the last 6 months, 1522 institutions increased and 1251 reduced their position (13F).
Insider Activity
Sentiment
2/100
Buys (3m)
2
Sells (3m)
7
Net (3m)
-$15.8M
Insiders buying
Insider trades by month Buys Sells
Nov
Dec
Jan
Feb
Mar
May
Context3-month price -19.2%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 19, 2026 | Piell Hilda Harrisofficer: Sr MD & Chief HR Officer | Sell | 5,753 | $304.63 |
| May 18, 2026 | DUFFY TERRENCE Adirector, officer: Chairman and CEO | Sell | 25,996 | $298.14 |
| May 18, 2026 | DUFFY TERRENCE Adirector, officer: Chairman and CEO | Sell | 9,004 | $299.58 |
| Mar 30, 2026 | SHEPARD WILLIAM Rdirector | Buy | 62 | $297.38 |
| Mar 30, 2026 | SHEPARD WILLIAM Rdirector | Buy | 1,408 | $297.38 |
| Mar 23, 2026 | Marcus Jonathan Lofficer: Sr MD General Counsel | Sell | 3,291 | $313.37 |
| Mar 19, 2026 | Marcus Jonathan Lofficer: Sr MD General Counsel | Sell | 3,291 | $333.37 |
| Mar 17, 2026 | Marcus Jonathan Lofficer: Sr MD General Counsel | Tax | 261 | $311.40 |
| Mar 17, 2026 | Piell Hilda Harrisofficer: Sr MD & Chief HR Officer | Tax | 3,039 | $311.40 |
| Mar 17, 2026 | Sammann Derekofficer: Sr MD Gl Hd Commodities Mkts | Tax | 3,627 | $311.40 |
| Mar 17, 2026 | Cutinho Sunilofficer: Chief Information Officer | Tax | 3,658 | $311.40 |
| Mar 17, 2026 | Fitzpatrick Lynneofficer: President and CFO | Tax | 76 | $311.40 |
| Mar 17, 2026 | Fitzpatrick Lynneofficer: President and CFO | Grant | 5,504 | $311.40 |
| Mar 17, 2026 | Sprague Suzanneofficer: COO & Global Head of Clearing | Tax | 2,439 | $311.40 |
| Mar 17, 2026 | Marcus Jonathan Lofficer: Sr MD General Counsel | Grant | 5,270 | $311.40 |
| Mar 17, 2026 | DUFFY TERRENCE Adirector, officer: Chairman and CEO | Tax | 27,866 | $311.40 |
| Mar 17, 2026 | McCourt Timothy Francisofficer: Sr MD Global Head Equity & FX | Grant | 5,504 | $311.40 |
| Mar 17, 2026 | Cutinho Sunilofficer: Chief Information Officer | Grant | 8,256 | $311.40 |
| Mar 17, 2026 | McCourt Timothy Francisofficer: Sr MD Global Head Equity & FX | Tax | 94 | $311.40 |
| Mar 17, 2026 | Winkler Julieofficer: Sr MD Chief Commercial Officer | Grant | 8,256 | $311.40 |
| Mar 17, 2026 | McCourt Timothy Francisofficer: Sr MD Global Head Equity & FX | Tax | 2,810 | $311.40 |
| Mar 17, 2026 | Sammann Derekofficer: Sr MD Gl Hd Commodities Mkts | Grant | 8,256 | $311.40 |
| Mar 17, 2026 | Sprague Suzanneofficer: COO & Global Head of Clearing | Grant | 5,504 | $311.40 |
| Mar 17, 2026 | Sprague Suzanneofficer: COO & Global Head of Clearing | Tax | 76 | $311.40 |
| Mar 17, 2026 | Vroman Kenofficer: Chief Transformation Officer | Grant | 7,076 | $311.40 |
| Mar 17, 2026 | Piell Hilda Harrisofficer: Sr MD & Chief HR Officer | Grant | 7,076 | $311.40 |
| Mar 17, 2026 | Marcus Jonathan Lofficer: Sr MD General Counsel | Tax | 2,377 | $311.40 |
| Mar 17, 2026 | Vroman Kenofficer: Chief Transformation Officer | Tax | 3,135 | $311.40 |
| Mar 17, 2026 | Winkler Julieofficer: Sr MD Chief Commercial Officer | Tax | 3,658 | $311.40 |
| Mar 17, 2026 | Tobin Jack Jofficer: MD Chief Accounting Officer | Tax | 179 | $311.40 |
Source: CME SEC Form 4 filings, latest May 19, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their CME positions over the last 6 months (SEC Form 13F).
Increased
1522
New positions
379
Reduced
1251
Sold out
199
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| VANGUARD GROUP INC | Increased | 35.9M | Jan 29, 2026 |
| BLACKROCK, INC. | Increased | 31.4M | May 13, 2026 |
| BLACKROCK, INC. | Reduced | 31.1M | Feb 12, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 23.4M | May 15, 2026 |
| STATE STREET CORP | Increased | 16.1M | Feb 13, 2026 |
| STATE STREET CORP | Reduced | 16.1M | May 15, 2026 |
| JPMORGAN CHASE & CO | Increased | 12.2M | May 13, 2026 |
| JPMORGAN CHASE & CO | Increased | 11.1M | Feb 11, 2026 |
| MORGAN STANLEY | Increased | 9.4M | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | 9.3M | Feb 9, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | 9.1M | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 9.0M | May 8, 2026 |
| MORGAN STANLEY | Reduced | 8.4M | Feb 13, 2026 |
| CAPITAL WORLD INVESTORS | Reduced | 7.3M | Feb 11, 2026 |
| CAPITAL WORLD INVESTORS | Reduced | 6.9M | May 13, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.