CME GROUP INC. Insider Trading Activity
Every SEC Form 4 insider transaction reported for CME GROUP INC. (CME), sourced directly from SEC EDGAR and updated as new filings are accepted.
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are CME insiders buying or selling?
In the last 12 months, CME GROUP INC. insiders reported 4 open-market purchases ($666.9K) and 13 sales ($24.4M) — net selling of $23.7M. Since January 2018, Trabud has recorded 214 Form 4 filings for CME: 27 buys ($12.4M) and 187 sells ($199.6M).
Source: SEC EDGAR Form 4
What stands out
- The largest open-market purchase in the last 12 months was $437.1K by William R Shepard (Director) on Mar 30, 2026. SEC ↗
- The most recent open-market purchase was reported on Sep 28, 2026 (20 days ago).
Key Statistics (January 2018 – Sep 28, 2026)
Insider sentiment
Net sellingNet insider flow of $187.2M in net selling since January 2018, and $23.7M in net selling over the last 12 months. 1 insider buy in the last 90 days.
Recent CME insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Sep 28, 2026 | William R Shepard | Director | Purchase | 292.55 | $268.76 | $78.6K | SEC ↗ |
| Sep 15, 2026 | Elizabeth A Cook | Director | Sale | 500 | $280.11 | $140.1K | SEC ↗ |
| Sep 11, 2026 | Terrence A Duffy | Chairman and CEO | Sale | 15.0K | $274.44 | $4.1M | SEC ↗ |
| Jun 29, 2026 | William R Shepard | Director | Purchase | 339.1 | $230.57 | $78.2K | SEC ↗ |
| May 19, 2026 | Hilda Harris Piell | Sr MD & Chief HR Officer | Sale | 5.8K | $304.63 | $1.8M | SEC ↗ |
| May 18, 2026 | Terrence A Duffy | Chairman and CEO | Sale | 35.0K | $298.51 | $10.4M | SEC ↗ |
| Mar 30, 2026 | William R Shepard | Director | Purchase | 1.5K | $297.38 | $437.1K | SEC ↗ |
| Mar 23, 2026 | Jonathan L Marcus | Sr MD General Counsel | Sale | 3.3K | $313.37 | $1.0M | SEC ↗ |
| Mar 19, 2026 | Jonathan L Marcus | Sr MD General Counsel | Sale | 3.3K | $333.37 | $1.1M | SEC ↗ |
| Mar 12, 2026 | Ken Vroman | Chief Transformation Officer | Sale | 5.2K | $309.00 | $1.6M | SEC ↗ |
| Mar 9, 2026 | Elizabeth A Cook | Director | Sale | 1.0K | $320.00 | $320.0K | SEC ↗ |
| Feb 23, 2026 | Bryan T Durkin | Director | Sale | 4.2K | $309.65 | $1.3M | SEC ↗ |
| Feb 20, 2026 | Martin J Gepsman | Director | Sale | 300 | $305.90 | $91.8K | SEC ↗ |
| Feb 9, 2026 | Dennis Suskind | Director | Sale | 748 | $300.00 | $224.4K | SEC ↗ |
| Jan 2, 2026 | William R Shepard | Director | Purchase | 262.27 | $278.37 | $73.0K | SEC ↗ |
| Nov 21, 2025 | Derek Sammann | Sr MD Gl Hd Commodities Mkts | Sale | 7.2K | $275.67 | $2.0M | SEC ↗ |
| Nov 4, 2025 | Harold Eugene Ford Jr. | Director | Sale | 1.0K | $263.53 | $263.5K | SEC ↗ |
| Sep 27, 2025 | William R Shepard | Director | Purchase | 274.04 | $265.19 | $72.7K | SEC ↗ |
| Sep 17, 2025 | Jonathan L Marcus | Sr MD General Counsel | Sale | 376 | $258.96 | $97.4K | SEC ↗ |
| Sep 17, 2025 | Timothy Francis Mccourt | Sr MD Global Head Equity & FX | Sale | 379 | $259.83 | $98.5K | SEC ↗ |
| Aug 26, 2025 | Sunil Cutinho | Chief Information Officer | Sale | 11.9K | $271.47 | $3.2M | SEC ↗ |
| Jun 26, 2025 | William R Shepard | Director | Purchase | 267.39 | $270.53 | $72.3K | SEC ↗ |
| Jun 11, 2025 | Charles P Carey | Director | Sale | 500 | $265.35 | $132.7K | SEC ↗ |
| May 23, 2025 | Daniel G Kaye | Director | Sale | 500 | $282.42 | $141.2K | SEC ↗ |
| May 21, 2025 | Jonathan L Marcus | Sr MD General Counsel | Sale | 390 | $277.50 | $108.2K | SEC ↗ |
Showing the 25 most recent of 214 Form 4 filings for CME GROUP INC..
Most active CME insiders
- William R Shepard23 filings
- Martin J Gepsman21 filings
- Hilda Harris Piell15 filings
- Terrence A Duffy13 filings
- Julie Holzrichter11 filings
Ask anything about CME insider activity
Use Trabud's AI agent to query CME GROUP INC.'s Form 4 history in plain English — "Show me CME CEO purchases this year" or compare it against any other ticker.
Open the AI agentCME insider trading FAQ
Are CME GROUP INC. insiders buying or selling?
In the last 12 months, CME GROUP INC. insiders reported 4 open-market purchases ($666.9K) and 13 sales ($24.4M) — net selling of $23.7M. Since January 2018, Trabud has recorded 214 Form 4 filings for CME: 27 buys ($12.4M) and 187 sells ($199.6M). Over the full record that is net selling of $187.2M.
How many insiders trade CME stock?
35 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for CME GROUP INC.. The most recent filing was accepted on Sep 28, 2026.
Where does Trabud get CME insider trading data?
All CME insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.