# EDGAR Filing Document

**Accession Number:** 0001156375
**File Stem:** 0001156375-25-000190
**Filing Date:** 2025-9
**Character Count:** 5546
**Document Hash:** 49d4340ac6cc293ede992c1a7d69fb3e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001156375-25-000190.hdr.sgml**: 20250911

**ACCESSION NUMBER**: 0001156375-25-000190

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 12

**CONFORMED PERIOD OF REPORT**: 20250909

**ITEM INFORMATION**: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

**FILED AS OF DATE**: 20250911

**DATE AS OF CHANGE**: 20250911

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** CME GROUP INC.
- **CENTRAL INDEX KEY:** 0001156375
- **STANDARD INDUSTRIAL CLASSIFICATION:** SECURITY & COMMODITY BROKERS, DEALERS, EXCHANGES & SERVICES [6200]
- **ORGANIZATION NAME:** 09 Crypto Assets
- **EIN:** 364459170
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-31553
- **FILM NUMBER:** 251307712

**BUSINESS ADDRESS:**
- **STREET 1:** 20 S. WACKER DR.
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60606
- **BUSINESS PHONE:** 3129301000

**MAIL ADDRESS:**
- **STREET 1:** 20 S. WACKER DR.
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60606

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** CHICAGO MERCANTILE EXCHANGE HOLDINGS INC
- **DATE OF NAME CHANGE:** 20010802

?xml version='1.0' encoding='ASCII'? cme-20250909

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**WASHINGTON, D.C. 20549** 

_________________________________________________________

**FORM 8-K** 

_________________________________________________________

**CURRENT REPORT**

**PURSUANT TO SECTION 13 OR 15(d) OF THE**

**SECURITIES EXCHANGE ACT OF 1934**

**Date of report (Date of earliest event reported) September 11, 2025 (September 9, 2025)**

_________________________________________________________

**CME GROUP INC.** 

**(Exact Name of Registrant as Specified in its Charter)** 

_________________________________________________________

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| | | |
|:---|:---|:---|
| **Delaware** | **001-31553** | **36-4459170** |
| **(State or Other Jurisdiction<br>of Incorporation)** | **(Commission<br>File No.)** | **(IRS Employer<br>Identification No.)** |

---

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| | | | |
|:---|:---|:---|:---|
| **20 South Wacker Drive** | **Chicago** | **Illinois** | **60606** |
| **(Address of Principal Executive Offices)** | | | **(Zip Code)** |

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**Registrant's telephone number, including area code: (312) 930-1000** 

**N/A**

**(Former Name or Former Address, if Changed Since Last Report)** 

______________________________________________________

**Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (***see* **General Instruction A.2. below):**

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

<u>☐</u> <u>Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</u>

Securities registered pursuant to Section 12(b) of the Act:

<u>Title of each class</u> <u>Trading symbol</u> <u>Name of each exchange on which registered</u> <br> Class A Common Stock CME Nasdaq

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405) of this chapter or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

------

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

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| | |
|:---|:---|
| **Item 5.02** | **Departure of Directors or Certain Officers; Election of Directors; Appointment<br>of Certain Officers; Compensatory Arrangements of Certain Officers.** |

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On September 9, 2025, Jack Tobin, the Managing Director and Chief Accounting Officer of CME Group Inc. (the Company) notified the Company of his decision to retire from the Company. Mr. Tobin will remain in his role as Chief Accounting Officer until October 30, 2026. Mr. Tobin has served in the Chief Accounting Officer role since 2015 and has been with the Company for more than 23 years. His retirement is voluntary and not due to any disagreements regarding the Company's accounting, operations, policies or practices. The Company will initiate a search of potential candidates for the role and Mr. Tobin will work with his successor to support a smooth transition of responsibilities.

**SIGNATURES**

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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| | | |
|:---|:---|:---|
| | **CME Group Inc.** | **CME Group Inc.** |
| | Registrant | Registrant |
| Date: September 11, 2025 | By: | /s/ Lynne Fitzpatrick |
|  | Name:<br>Title: | **Lynne Fitzpatrick<br>Senior Managing Director, President and Chief Financial Officer<br>Principal Financial Offer and<br>Duly Authorized Officer** |
|  |  | **Lynne Fitzpatrick<br>Senior Managing Director, President and Chief Financial Officer<br>Principal Financial Offer and<br>Duly Authorized Officer** |

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