CME executive receives stock award, withholds shares

CME Group senior executive Derek Sammann received a stock award and surrendered shares for taxes.

Rhea-AI Filing Summary

CME Group senior executive Derek Sammann received a stock award and surrendered shares for taxes. On March 15, 2026, he acquired 8,256 shares of Class A common stock at $311.40 per share from the vesting of performance shares granted in 2022 under CME Group's Omnibus Stock Plan.

The number of vested shares was based on total shareholder return versus the S&P 500 from January 1, 2023 through December 31, 2025. On the same date, 3,627 shares at $311.40 were surrendered back to the company to cover tax withholding, leaving 13,312 shares held directly. The filing also shows 11,028 shares held indirectly by a trust and 7,022 shares held indirectly by a spouse.

Insider Trade Summary

4 transactions reported

Mixed 4 txns

Insider Sammann Derek

Role Sr MD Gl Hd Commodities Mkts

Type	Security	Shares	Price	Value
Grant/Award	Common Stock Class A	8,256	$311.40	$2.57M
Exercise Price or Tax Liability	Common Stock Class A	3,627	$311.40	$1.13M
holding	Common Stock Class A	--	--	--
holding	Common Stock Class A	--	--	--

Holdings After Transaction: Common Stock Class A — 13,312 shares (Direct); Common Stock Class A — 11,028 shares (Indirect, by Trust); Common Stock Class A — 7,022 shares (Indirect, by Spouse)

Footnotes (2)

1. F1. Represents the vesting of performance shares granted in 2022 under CME Group's Omnibus Stock Plan. The number of shares was determined based on the company's achievement of total shareholder return relative to the S&P 500 measured over a three-year performance period from January 1, 2023 through December 31, 2025.
2. F2. Mr. Sammann surrendered shares to the company in order to fulfill tax withholding obligations related to the receipt of the performance share award.

FAQ

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

What did CME (CME) executive Derek Sammann report in this Form 4?

Derek Sammann reported a vesting of 8,256 Class A common shares from a 2022 performance award and the surrender of 3,627 shares to cover tax withholding. After these transactions, he directly holds 13,312 shares, with additional indirect holdings through a trust and spouse.

How many CME (CME) shares did Derek Sammann receive and at what value?

He received 8,256 Class A common shares valued at $311.40 per share through the vesting of performance shares. This award stems from a 2022 grant under CME Group’s Omnibus Stock Plan tied to relative total shareholder return versus the S&P 500 index.

Why were 3,627 CME (CME) shares surrendered by Derek Sammann?

Sammann surrendered 3,627 shares at $311.40 per share back to CME Group to satisfy tax withholding obligations related to the vested performance share award. This tax-withholding disposition is not an open‑market sale but a routine mechanism to cover associated tax liabilities.

How many CME (CME) shares does Derek Sammann hold after these transactions?

Following the award vesting and tax-withholding surrender, Sammann directly owns 13,312 Class A common shares. The filing also lists 11,028 shares held indirectly by a trust and 7,022 shares held indirectly by his spouse, reflecting additional associated ownership interests.

What performance period determined Derek Sammann’s CME (CME) share award?

The vested performance share award was based on CME Group’s total shareholder return relative to the S&P 500 over a three‑year period from January 1, 2023 through December 31, 2025. This relative performance measure determined the final number of shares that vested to Sammann.

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

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Accepted by SEC EDGAR 03/17/2026 - 12:23 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^*

Sammann Derek

(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)
	Sr MD Gl Hd Commodities Mkts

3. Date of Earliest Transaction (Month/Day/Year)
03/15/2026

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	03/15/2026		A		8,256(1)	A	$311.4	16,939	D
Common Stock Class A	03/15/2026		F		3,627(2)	D	$311.4	13,312	D
Common Stock Class A								11,028	I	by Trust
Common Stock Class A								7,022	I	by Spouse

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 the vesting of performance shares granted in 2022 under CME Group's Omnibus Stock Plan. The number of shares was determined based on the company's achievement of total shareholder return relative to the S&P 500 measured over a three-year performance period from January 1, 2023 through December 31, 2025.

2. Mr. Sammann surrendered shares to the company in order to fulfill tax withholding obligations related to the receipt of the performance share award.

Remarks:

	By: Margaret Austin Wright For: Derek Louis Sammann	03/17/2026
	** 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.