CME Group (CME) director granted 645 Class A shares at $225

Rhea-AI Filing Summary

Cook Elizabeth A reported acquisition or exercise transactions in this Form 4 filing.

CME Group Inc. director Elizabeth A. Cook reported an equity compensation grant and updated indirect holdings of Class A common stock. She received 645 fully vested shares of Class A common stock, issued as part of CME Group's annual equity compensation program for non-employee directors under the CME Group Director Stock Plan, at a value of $225 per share. After this grant, an indirectly held trust account holds 18,416 shares of Class A common stock. A separate indirect holding entry shows 20 shares of Class A common stock held through a joint account.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Cook Elizabeth A

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock Class A	645	$225.00	$145K
holding	Common Stock Class A	--	--	--

Holdings After Transaction: Common Stock Class A — 18,416 shares (Indirect, by Trust)

Footnotes (1)

1. [object Object]

Key Figures

Shares granted: 645 shares Grant price: $225 per share Indirect trust holdings: 18,416 shares +1 more

4 metrics

Shares granted 645 shares Fully vested Class A common stock grant to non-employee director

Grant price $225 per share Value per share for 645-share equity award

Indirect trust holdings 18,416 shares Class A common stock held indirectly by trust after grant

Joint account holdings 20 shares Class A common stock held indirectly by joint account

Key Terms

annual equity compensation program, CME Group Director Stock Plan, fully vested shares

3 terms

annual equity compensation program financial

"Represents a grant of fully vested shares of Class A Common Stock issued to the Reporting Person as part of the Issuer's annual equity compensation program"

CME Group Director Stock Plan financial

"for non-employee directors under the CME Group Director Stock Plan"

fully vested shares financial

"Represents a grant of fully vested shares of Class A Common Stock"

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 06/29/2026 - 04:13 PM Accepted by SEC EDGAR 06/29/2026 - 04:13 PM Learn about SEC filing dates

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^*

Cook Elizabeth A

(Last) (First) (Middle)

20 S. WACKER DRIVE

(Street)

CHICAGO ILLINOIS 60606

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/25/2026

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

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

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

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	06/25/2026		A(1)		645	A	$225	18,416	I	by Trust
Common Stock Class A								20	I	By Joint Account

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. Represents a grant of fully vested shares of Class A Common Stock issued to the Reporting Person as part of the Issuer's annual equity compensation program for non-employee directors under the CME Group Director Stock Plan. These shares are not subject to any vesting conditions.

Remarks:

	/s/ Elizabeth Hensen, as Attorney-in-Fact for Elizabeth A. Cook	06/29/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What did CME (CME) director Elizabeth A. Cook report in this Form 4?

Elizabeth A. Cook reported an equity compensation grant and updated indirect holdings of CME Group Class A shares. The filing shows a new grant of 645 fully vested shares and updated totals held indirectly through a trust and a joint account.

How many CME Group (CME) shares were granted to Elizabeth A. Cook?

She was granted 645 shares of CME Group Class A common stock. These shares were issued as part of the company’s annual equity compensation program for non-employee directors and are fully vested without additional vesting conditions.

What was the value per share of the CME (CME) stock granted to Elizabeth A. Cook?

The reported value per share for the grant was $225. This figure represents the price per share used for the 645-share award under the CME Group Director Stock Plan for non-employee directors.

How many CME (CME) shares does Elizabeth A. Cook hold indirectly after this grant?

Following the grant, an indirectly held trust account associated with Elizabeth A. Cook holds 18,416 CME Group Class A shares. In addition, a separate indirect joint account is reported as holding 20 Class A shares of CME Group.

Are Elizabeth A. Cook’s new CME (CME) shares subject to vesting conditions?

The 645 newly granted shares are fully vested and not subject to vesting conditions. They were issued under CME Group’s annual equity compensation program for non-employee directors pursuant to the CME Group Director Stock Plan.