CME Group Director Boosts Holdings: What This Stock Purchase Signals to Investors

Rhea-AI Filing Summary

CME Group director Timothy S. Bitsberger reported an insider transaction on Form 4 filed June 28, 2025, disclosing activity from June 25, 2025. Key details:

• Acquired 532 shares of Class A Common Stock at $273.03 per share
• Shares were granted through the CME Group Director Stock Plan
• Following the transaction, Bitsberger directly owns 11,121 shares

This transaction represents a standard director stock grant as part of CME Group's board compensation program. The filing was signed by Jenelle Chalmers on behalf of Bitsberger on June 26, 2025. No derivative securities were involved in this transaction.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Bitsberger Timothy S.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock Class A	532	$273.03	$145K

Holdings After Transaction: Common Stock Class A — 11,121 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Bitsberger Timothy S.

(Last) (First) (Middle)

20 S. WACKER DRIVE

(Street)

CHICAGO IL 60606

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
CME GROUP INC. [ CME ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
06/25/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock Class A	06/25/2025		A(1)		532	A	$273.03	11,121	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Granted pursuant to the CME Group Director Stock Plan, as amended and restated.

Remarks:

	By: Jenelle Chalmers For: Timothy S. Bitsberger	06/26/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

How many CME Group shares did Director Timothy Bitsberger acquire on June 25, 2025?

According to the Form 4 filing, Director Timothy Bitsberger acquired 532 shares of CME Group Class A Common Stock on June 25, 2025, at a price of $273.03 per share.

What is Timothy Bitsberger's total CME stock ownership after the June 2025 transaction?

Following the reported transaction, Timothy Bitsberger beneficially owned 11,121 shares of CME Group Class A Common Stock directly (Form: D).

What was the nature of CME director Bitsberger's stock acquisition in June 2025?

The shares were granted pursuant to the CME Group Director Stock Plan, as amended and restated, as indicated in the footnotes of the Form 4 filing.

Who filed the Form 4 for CME Group director Timothy Bitsberger?

The Form 4 was filed by Jenelle Chalmers on behalf of Timothy S. Bitsberger on June 26, 2025, one day after the transaction date.

Does Timothy Bitsberger own any derivative securities of CME Group?

The Form 4 filing shows no derivative securities (such as options, warrants, or convertible securities) were reported in Table II, indicating no derivative holdings were involved in this transaction.