[Form 4] CME Group Inc. Insider Trading Activity

Rhea-AI Filing Summary

Sunil K. Cutinho, Chief Information Officer of CME Group Inc. (CME) reported two stock sale transactions on 08/26/2025. He sold 5,930 shares of CME Class A common stock at a weighted average price of $272.10 (prices ranged $271.69–$272.58) and sold 5,966 shares at a weighted average price of $270.85 (prices ranged $270.32–$271.21). The Form 4 shows the amount of Class A shares beneficially owned following the reported transactions as 23,406 shares on the first line and 17,440 shares on the second line. The filing was signed by an authorized representative for Mr. Cutinho and includes explanatory notes about aggregated sale prices.

Positive

• Timely and detailed disclosure of sale dates, aggregated price ranges, and weighted-average prices in the Form 4
• Post-transaction beneficial ownership figures are reported for each line, improving transparency

Negative

• Insider sales totaling 11,896 shares represent a disposal of company stock by a senior officer
• No indication of a 10b5-1 trading plan is provided on the form, so the sales are not identified as pre-arranged in this filing

Insights

Financial Analyst

TL;DR: Insider sold a combined 11,896 Class A shares on 08/26/2025; transaction appears routine and transparently disclosed.

The Form 4 documents two separate sell transactions by CME Group CIO Sunil K. Cutinho totaling 11,896 shares executed on 08/26/2025 at weighted average prices of $272.10 and $270.85. The filing provides price ranges and post-transaction beneficial ownership figures for each reported line. From a market-impact perspective, these sales are modest relative to large-cap float and the filing follows Section 16 disclosure requirements. There are no derivative transactions or other compensatory grants reported on this form.

Corporate Governance Expert

TL;DR: The filing is a compliant, signed disclosure of insider sales with clear price ranges and post-sale ownership figures.

The Form 4 includes explanatory notes stating that sale prices within $1 ranges were aggregated and weighted averages reported, which aids transparency. The form was executed by an authorized signatory on behalf of the reporting person. There is no indication in this filing of planned trading arrangements or Rule 10b5-1 plans. As submitted, the disclosure meets Form 4 formal requirements and raises no immediate governance red flags.

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^*

Cutinho Sunil

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
08/26/2025

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	08/26/2025		S		5,930	D	$272.1(1)	23,406	D
Common Stock Class A	08/26/2025		S		5,966	D	$270.85(2)	17,440	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. On August 26, 2025, Mr. Cutinho sold an aggregate of 5930 shares of CME Group Class A common stock. For reporting purposes, the sale prices within $1 range have been aggregated and the weighted average has been reported. The price range was $271.69 to $272.58. The Company maintains a record of the transaction and copies will be provided upon request.

2. On August 26, 2025, Mr. Cutinho sold an aggregate of 5966 shares of CME Group Class A common stock. For reporting purposes, the sale prices within $1 range have been aggregated and the weighted average has been reported. The price range was $270.32 to $271.21. The Company maintains a record of the transaction and copies will be provided upon request.

Remarks:

	By: Jenelle Chalmers For: Sunil Kiran Cutinho	08/26/2025
	** 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

What did Sunil Cutinho (CME) report on the Form 4 filed for 08/26/2025?

The Form 4 reports two sales by Sunil K. Cutinho on 08/26/2025 totaling 11,896 Class A shares at weighted average prices of $272.10 and $270.85.

How many shares did Mr. Cutinho own after the reported transactions?

The filing shows post-transaction beneficial ownership reported as 23,406 shares on the first line and 17,440 shares on the second line of the Form 4.

Were sale price ranges provided in the Form 4 for the CME transactions?

Yes. The filing discloses price ranges and explains aggregation: $271.69–$272.58 for the first sale and $270.32–$271.21 for the second sale.

Does the Form 4 indicate the sales were part of a 10b5-1 plan?

No. The Form 4 does not indicate that the transactions were made pursuant to a 10b5-1 plan or similar pre-arranged trading plan.

Who signed the Form 4 filing for Sunil Cutinho?

The filing was signed on behalf of Sunil K. Cutinho by Jenelle Chalmers on 08/26/2025.