CME
CME GROUP INC. · Finance & Insurance · Market cap $110.8B
Insiders sold $4.3M net in the last 90 days ·3 sellers, 1 buyer· latest Form 4 filed Oct 22, 2026
Insider Buying
$667K
reported purchases (SEC code P)
Insider Selling
$31.2M
reported sales (SEC code S)
Unique Insiders
11
in the rolling window
Latest filing
Oct 22, 2026
GEPSMAN MARTIN J
CME GROUP INC. (CME) has 53 SEC Form 4 filings (105 transaction rows) in the rolling window, disclosed by 11 distinct insiders. Most recent filing: Oct 22, 2026.
Inside the rolling window, 11 insiders at CME GROUP INC. reported 4 open-market purchases totaling $667K and 14 open-market sales totaling $31.2M. The most active filer is Director SHEPARD WILLIAM R with 4 filings. Insiders have net sold $16.4M over the trailing 6 months. The most recent open-market filing is a sale of 400 shares by Director GEPSMAN MARTIN J, dated Oct 22, 2026, worth $121K.
- Industry:Financial - Data & Stock Exchanges
- CEO:Terrence A. Duffy
- Employees:3,875
- HQ:Chicago, IL, US
- IPO:2002-12-06
| Source | |||||||
|---|---|---|---|---|---|---|---|
GEPSMAN MARTIN JFirst in 8 months | Director | Sale | 400 | $121K | Oct 22 | — | SEC ↗ |
SHEPARD WILLIAM RFirst in 3 months | Director | Purchase | 292.55 | $79K | Sep 28 | +16.2% | SEC ↗ |
Cook Elizabeth AFirst in 6 months | Director | Sale | 500 | $140K | Sep 15 | +11.2% | SEC ↗ |
DUFFY TERRENCE AFirst in 4 months | Chairman and CEO | Sale | 15,000 | $4.1M | Sep 11 | +11.0% | SEC ↗ |
SHEPARD WILLIAM RFirst in 3 months | Director | Purchase | 339.1 | $78K | Jun 29 | +40.0% | SEC ↗ |
Piell Hilda HarrisFirst filing | Sr MD & Chief HR Officer | Sale | 5,753 | $1.8M | May 19 | +1.2% | SEC ↗ |
DUFFY TERRENCE AFirst in 5 months | Chairman and CEO | Sale | 35,000 | $10.4M | May 18 | +0.3% | SEC ↗ |
| Director | Purchase | 1,469.84 | $437K | Mar 30 | — | SEC ↗ | |
| Sr MD General Counsel | Sale | 6,582 | $2.1M | Mar 23 | — | SEC ↗ | |
Vroman KenFirst filing | Chief Transformation Officer | Sale | 5,160 | $1.6M | Mar 12 | — | SEC ↗ |
Cook Elizabeth AFirst filing | Director | Sale | 1,000 | $320K | Mar 9 | — | SEC ↗ |
Durkin Bryan TFirst filing | Director | Sale | 4,200 | $1.3M | Feb 23 | — | SEC ↗ |
GEPSMAN MARTIN JFirst filing | Director | Sale | 300 | $92K | Feb 20 | — | SEC ↗ |
Suskind DennisFirst filing | Director | Sale | 748 | $224K | Feb 9 | — | SEC ↗ |
SHEPARD WILLIAM RFirst filing | Director | Purchase | 262.27 | $73K | Jan 2 | — | SEC ↗ |
DUFFY TERRENCE AFirst filing | Chairman and CEO | Sale | 25,000 | $6.7M | Dec 15 | — | SEC ↗ |
Sammann DerekFirst filing | Sr MD Gl Hd Commodities Mkts | Sale | 7,200 | $2.0M | Nov 21 | — | SEC ↗ |
Ford Harold Eugene Jr.First filing | Director | Sale | 1,000 | $264K | Nov 4 | — | SEC ↗ |
Congress trading CME 108 all-time
- DRep. Gilbert CisnerosSale$1,001 - $15,0002026-06-16
- DRep. Gilbert Ray CisnerosSale$1,001 - $15,0002026-06-16
- DRep. Gilbert Ray CisnerosPurchase$1,001 - $15,0002026-01-09
- DRep. Julie JohnsonSale$1,001 - $15,0002025-12-18
- DRep. Julie JohnsonSale$1,001 - $15,0002025-11-13
- DRep. Val HoyleOther$1,001 - $15,0002025-09-23
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Frequently asked questions
How many SEC Form 4 insider filings does CME have?
CME GROUP INC. (CME) has 53 SEC Form 4 filings (105 transaction rows) in the rolling 365-day window, disclosed by 11 distinct insiders. Most recent filing: Oct 22, 2026.
When was the most recent SEC Form 4 filing for CME?
The most recent Form 4 filing for CME on Tracefour is dated Oct 22, 2026.
Who is the most active insider at CME?
The most active SEC Form 4 filer at CME in the rolling window is Director SHEPARD WILLIAM R, with 4 filings.
What is the net insider flow at CME over the last 6 months?
Over the trailing 180 days, insiders at CME have net sold $16.4M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at CME in the current window?
Inside the rolling window, insiders at CME bought $667K and sold $31.2M based on SEC Form 4 filings.
Can I get alerts for CME insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at CME GROUP INC. (CME). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
CME GROUP INC. is in the Finance & Insurance sector.