CME Group CAO Jack Tobin to Retire in 2026

CME Group Inc. reported that Jack Tobin, its Managing Director and Chief Accounting Officer, has decided to retire from the company.

Rhea-AI Filing Summary

CME Group Inc. reported that Jack Tobin, its Managing Director and Chief Accounting Officer, has decided to retire from the company. He informed the company of his decision on September 9, 2025 and will continue serving as Chief Accounting Officer until October 30, 2026, providing more than a year for transition.

Mr. Tobin has held the Chief Accounting Officer role since 2015 and has been with CME Group for over 23 years. The company states that his retirement is voluntary and is not due to any disagreements regarding its accounting, operations, policies or practices. CME Group plans to begin a search for his successor, and Mr. Tobin will work with that person to support a smooth handover of responsibilities.

8-K Event Classification

Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers

1 item

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance

Key personnel changes including departures, elections, or appointments of directors and executive officers.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What executive change did CME (CME) disclose in this 8-K?

CME Group Inc. disclosed that Jack Tobin, its Managing Director and Chief Accounting Officer, has decided to retire from the company.

When will CME’s Chief Accounting Officer Jack Tobin retire?

Jack Tobin will remain in his role as Chief Accounting Officer until October 30, 2026, allowing for an extended transition period.

Did CME indicate any disagreement related to Jack Tobin’s retirement?

CME Group states that Mr. Tobin’s retirement is voluntary and not due to any disagreements regarding the company’s accounting, operations, policies or practices.

How long has Jack Tobin served at CME Group?

Jack Tobin has served as Chief Accounting Officer since 2015 and has been with CME Group for more than 23 years.

What is CME Group’s plan to replace its Chief Accounting Officer?

CME Group will initiate a search for potential candidates to fill the Chief Accounting Officer role, and Mr. Tobin will work with his successor to support a smooth transition.

Who signed the CME (CME) 8-K reporting Jack Tobin’s retirement?

The report was signed on behalf of CME Group Inc. by Lynne Fitzpatrick, Senior Managing Director, President and Chief Financial Officer, who is also the principal financial officer and a duly authorized officer.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Understanding 8-K Material Events →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 09/11/2025 - 12:06 PM EDT Learn about SEC filing dates

false000115637500011563752025-09-092025-09-09

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) 

_________________________________________________________ 

Delaware

001-31553

36-4459170

(State or Other Jurisdiction of Incorporation)

(Commission File No.)

(IRS Employer Identification No.)

20 South Wacker Drive

Chicago

Illinois

60606

(Address of Principal Executive Offices)

(Zip Code)

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))

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

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

Title of each class			Trading symbol			Name of each exchange on which registered
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. ☐

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment
of Certain Officers; Compensatory Arrangements of Certain Officers.

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.

CME Group Inc.

Registrant

Date: September 11, 2025

By:

/s/ Lynne Fitzpatrick

Name: Title:

Lynne Fitzpatrick Senior Managing Director, President and Chief Financial Officer Principal Financial Offer and Duly Authorized Officer