Insider trade

CEO sold ~$3.52M of CME shares in the open market

Traded Dec 11, 2025 · Filed Dec 15, 2025

CME GroupCME

~$3.52M
Reported value · 13K sh @ $269.10: 78K
Holds after · shares reported: -0.9%
stock since the trade · S&P 500 +12.4%, $272.405 → $270.03 on Oct 5

Why it stands out

The boss of CME Group sold $3.52M of CME Group shares. Nobody planned it ahead of time.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: Dec 11, 2025
Reporting period: Not applicable
Filed with the SEC: Dec 15, 2025

CEO$1M+

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$3,522,250

Shares × reported transaction price

Timing vs results

50 days after results of Oct 22, 2025, 55 days before results of Feb 4, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Price at the time

Closed at $272.405 on Dec 11, 2025, 21% above its 52-week low and 6% below its high, after a 4% rise over the previous 30 trading days

52-week range $225.82 (Jan 6, 2025) to $290.71 (Jun 2, 2025), 72% of the way up, from 250 adjusted closes. 30 trading days earlier: $261.53 on Oct 29, 2025. Describes the past only, not a forecast

Planned / mechanical clue

None found in footnotes

Only flagged when a footnote says so; never inferred

Securities lawsuit open at the trade date

A securities lawsuit naming the company as a defendant was filed on Jun 14, 2024 in the U.S. District Court, S.D. New York. A filing is an allegation, not a finding.

Global Carbon Opportunity (Cayman) Fund Ltd. v. CME Group Inc., docket 1:24-cv-04562, via CourtListener (court records). Nature of suit 850, company named as first defendant

After it was reported

After	Stock	S&P 500	Difference
7 days	+0.9%	+1.3%	-0.4%
30 days	-0.1%	+2.0%	-2.1%
90 days	+15.0%	-1.4%	+16.4%
180 days	-2.5%	+11.2%	-13.7%

Past results only. Not a forecast.

Source receipt

Record ID: 0001628280-25-056950
Filed / recorded: Dec 15, 2025, 8:05 PM UTC
Added to OQRO: Oct 2, 2026, 12:27 PM UTC
Parser: form4-xml-v1
Data quality: Verified: identifiers matched exactly
Issuer: CME GROUP INC.
Issuer CIK: 1156375
Ticker: CME
Reporting person: Terrence A Duffy
Relationship: Director, Officer
Officer title: Chairman and CEO
Security: Common Stock Class A
Table: Non-derivative (Table I)
Transaction date: Dec 11, 2025
Transaction code: S
Shares / units: 13,089
Price per share: $269.10
Acquired / disposed: Disposed (D)
Shares owned after: 77,715
Ownership form: Direct
Amendment: No

Footnotes from the filing

On December 11, 2025, Mr. Duffy sold an aggregate of 25,000 shares of CME Group Class A common stock. For reporting purposes, the sale prices within $1 range have been aggregated and the weighted average has been reported. The price range was $268.66 to $269.66 for 13,809 shares and $269.68 to $270.51 for 11,911 shares. The Company maintains a record of the transaction and copies will be provided upon request.