Jonathan L. Marcus - 17 Mar 2026 Form 4/A - Amendment Insider Report for CME GROUP INC. (CME)

Reporting relationship: Sr MD General Counsel
Issuer ticker: CME
Reported as of: 17 Mar 2026
Net transaction value: -$1,031,301
SEC form: 4/A - Amendment
Accepted by SEC: 23 Mar 2026, 09:38:58 UTC
Original report date: 19 Mar 2026
Prior SEC filing: 17 Mar 2026
Source filing: View source filing
Reporting owner signature: By: Margaret Austin Wright For: Jonathan L. Marcus

Key filing fact

Jonathan L. Marcus filed Form 4/A - Amendment for CME GROUP INC. (CME) on 23 Mar 2026.

Key facts

This page summarizes Jonathan L. Marcus's Form 4/A - Amendment filing for CME GROUP INC. (CME).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 23 Mar 2026, 09:38.

Change

Previous filing in this sequence was filed on 17 Mar 2026.
Current net transaction value: -$1,031,301.

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/A - Amendment disclosures.

View source filing

Reporting Owners (1)

CIK 0001952996 Primary reporting owner

Marcus Jonathan L

Relationship: Sr MD General Counsel
Address: 20 SOUTH WACKER DRIVE, CHICAGO
Signature: By: Margaret Austin Wright For: Jonathan L. Marcus
Signature date: 23 Mar 2026

Reported non-derivative transactions

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

CME transaction

Common Stock Class A

Sale

Transaction value: $1,031,301
Shares: -3,291
Change %: -31%
Price: $313.37
Shares after: 7,192
Date: 17 Mar 2026
Ownership: Direct
Footnotes: F1, F2

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

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 2 footnotes

Footnote F1

This transaction was effected pursuant to a Rule 10b5-1 plan adopted by the reporting person on February 18, 2025.

Footnote F2

This amendment is being filed to correct the price per share of the common stock sold on March 17, 2026, which was incorrectly reported on the original Form 4 filed on March 19, 2026 due to a clerical error. All other information in the original Form 4 remains unchanged.