William R. Shepard - 25 Sep 2026 Form 4 Insider Report for CME GROUP INC. (CME)

Reporting relationship: Director
Issuer ticker: CME
Reported as of: 25 Sep 2026
Net transaction value: +$78,626
SEC form: 4
Accepted by SEC: 28 Sep 2026, 16:15:32 UTC
Prior SEC filing: 29 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Elizabeth Hensen, as Attorney-in-Fact for William R. Shepard

Key filing fact

William R. Shepard filed Form 4 for CME GROUP INC. (CME) on 28 Sep 2026.

Key facts

This page summarizes William R. Shepard's Form 4 filing for CME GROUP INC. (CME).
3 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 28 Sep 2026, 16:15.

Change

Previous filing in this sequence was filed on 29 Jun 2026.
Current net transaction value: +$78,626.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001212852 Primary reporting owner

SHEPARD WILLIAM R

Relationship: Director
Address: 20 S WACKER DRIVE, CHICAGO
Signature: /s/ Elizabeth Hensen, as Attorney-in-Fact for William R. Shepard
Signature date: 28 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CME transaction

Common Stock Class A

Other

Transaction value
Shares: -2,554
Change %: -71%
Price: $0.000000^*
Shares after: 1,067
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F1

CME transaction

Common Stock Class A

Other

Transaction value
Shares: +2,554
Change %: +0.98%
Price: $0.000000^*
Shares after: 262,996
Date: 18 Aug 2026
Ownership: by Trust
Footnotes: F1

CME transaction

Common Stock Class A

Purchase

Transaction value: $78,626
Shares: +293
Change %: +0.11%
Price: $268.76
Shares after: 263,289
Date: 25 Sep 2026
Ownership: by Trust
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Reflects a change in the form of beneficial ownership from direct to indirect ownership via transfer to the Reporting Person's revocable living trust. This transaction is exempt from Section 16 pursuant to Rule 16a-13 under the Securities Exchange Act of 1934.

Footnote F2

Represents shares acquired pursuant to a broker-administered dividend reinvestment plan.