4Filing Date: Jan 2, 2026
Cme
Statement of Changes in Beneficial Ownership
View SEC Filing
ACC: 0001628280-26-000083
Total Value$2.79M
Trades1
Insiders1
Transaction Details
DUFFY TERRENCE A
Chairman and CEO, Director·Direct
Tax W/H · Dispose
Common Stock Class A
Shares-10.21K
Price$273.08
Total Value$2.79M
Shares Owned After55.59K
Transaction DateDec 31, 2025
Footnotes ▸
Mr. Duffy surrendered shares to the Company in order to fulfill tax withholding obligations upon the vesting of restricted stock on 12/31/2025.
Post-Transaction Holdings
DUFFY TERRENCE A · Chairman and CEO, Director
| Security | Shares | Change |
|---|---|---|
| Common Stock Class A | 55.59K | -10.21K (-15.52%) |
Original SEC Filing Textexpand_more
=== SEC Form 4 — Statement of Changes in Beneficial Ownership ===
Document Type: 4
Period of Report: 2025-12-31
10b5-1 Pre-arranged Plan: No
--- Issuer ---
Name: CME GROUP INC. (CME)
CIK: 0001156375
--- Reporting Owner ---
Name: DUFFY TERRENCE A
CIK: 0001212809
Role: Director, Officer (Chairman and CEO)
--- Non-Derivative Transactions ---
[Transaction #1]
Security: Common Stock Class A
Date: 2025-12-31 | Code: F (Payment of exercise/tax)
Shares: -10,210 | Price: $273.08
Total Value: $2,788,146.80
Shares Owned After: 55,594 | Ownership: D (Direct)
Footnotes:
[F1] Mr. Duffy surrendered shares to the Company in order to fulfill tax withholding obligations upon the vesting of restricted stock on 12/31/2025.
--- Footnotes (Complete Index) ---
F1: Mr. Duffy surrendered shares to the Company in order to fulfill tax withholding obligations upon the vesting of restricted stock on 12/31/2025.
--- Signature ---
/s/ By: Margaret Austin Wright For: Terrence A. Duffy (2026-01-02)