Lynne Fitzpatrick - 15 Mar 2026 Form 4 Insider Report for CME GROUP INC. (CME)

Reporting relationship: President and CFO
Issuer ticker: CME
Reported as of: 15 Mar 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 17 Mar 2026, 12:23:24 UTC
Prior SEC filing: 17 Sep 2025
Source filing: View source filing
Reporting owner signature: By: Margaret Austin Wright For: Lynne Fitzpatrick

Key filing fact

Lynne Fitzpatrick filed Form 4 for CME GROUP INC. (CME) on 17 Mar 2026.

Key facts

This page summarizes Lynne Fitzpatrick's Form 4 filing for CME GROUP INC. (CME).
3 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 17 Mar 2026, 12:23.

Change

Previous filing in this sequence was filed on 17 Sep 2025.
Current net transaction value: $0.

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 0001915955 Primary reporting owner

Fitzpatrick Lynne

Relationship: President and CFO
Address: 20 SOUTH WACKER DRIVE, CHICAGO
Signature: By: Margaret Austin Wright For: Lynne Fitzpatrick
Signature date: 17 Mar 2026

Reported non-derivative transactions

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

CME transaction

Common Stock Class A

Award

Transaction value
Shares: +5,504
Change %: +26%
Price: $311.40^*
Shares after: 26,428
Date: 15 Mar 2026
Ownership: Direct
Footnotes: F1

CME transaction

Common Stock Class A

Tax liability

Transaction value
Shares: -2,439
Change %: -9.2%
Price: $311.40^*
Shares after: 23,989
Date: 15 Mar 2026
Ownership: Direct
Footnotes: F2

CME transaction

Common Stock Class A

Tax liability

Transaction value
Shares: -76
Change %: -0.32%
Price: $311.40^*
Shares after: 23,913
Date: 15 Mar 2026
Ownership: Direct
Footnotes: F3

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Represents the vesting of performance shares granted in 2022 under CME Group's Omnibus Stock Plan. The number of shares was determined based on the company's achievement of total shareholder return relative to the S&P 500 measured over a three-year performance period from January 1, 2023 through December 31, 2025.

Footnote F2

Ms. Fitzpatrick surrendered shares to the company in order to fulfill tax withholding obligations related to the receipt of the performance share award.

Footnote F3

Ms. Fitzpatrick surrendered shares to the company to fulfill tax withholding obligations upon the vesting of restricted stock on 3/15/2026.