CME Group director's trust acquires 293 shares

Q: Why did CME director William R. Shepard transfer shares to a trust?

The 2,554-share transaction changed the form of beneficial ownership from direct to indirect ownership through his revocable living trust. The transaction is exempt from Section 16 pursuant to Rule 16a-13 under the Securities Exchange Act of 1934.

The August 18 transfer is described as a change in ownership form and is exempt from Section 16 under Rule 16a-13.

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Filing Sentiment

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Form Type

Rhea-AI Filing Summary

CME Group Inc. director William R. Shepard reported that his revocable living trust acquired 293 shares at $268.76 per share on September 25, 2026, through a broker-administered dividend reinvestment plan. On August 18, 2026, a 2,554-share transfer changed the form of beneficial ownership from direct to indirect via the trust; direct holdings after the transfer were 1,067 shares.

Insider Trade Summary

Net Buyer: 292.55 shares

Net Buy 3 txns

Insider SHEPARD WILLIAM R

Role Director

Bought 292.55 shs ($79K)

Type	Security	Shares	Price	Value
Purchase	Common Stock Class A ^F2	292.55	$268.76	$79K
Other	Common Stock Class A ^F1	2,553.779	$0.00	$0.00
Other	Common Stock Class A ^F1	2,553.779	$0.00	$0.00

Holdings After Transaction: Common Stock Class A — 1,067 shares (Direct); Common Stock Class A — 263,288.642 shares (Indirect, by Trust)

Footnotes (2)

F1. Reflects a change in the form of beneficial ownership from direct to indirect ownership via transfer to the Reporting Person's revocable living trust. This transaction is exempt from Section 16 pursuant to Rule 16a-13 under the Securities Exchange Act of 1934.
F2. Represents shares acquired pursuant to a broker-administered dividend reinvestment plan.

Key Figures

Shares acquired through dividend reinvestment plan: 293 shares Purchase price: $268.76 per share Shares transferred to trust: 2,554 shares +1 more

4 metrics

Shares acquired through dividend reinvestment plan 293 shares September 25, 2026

Purchase price $268.76 per share September 25, 2026

Shares transferred to trust 2,554 shares August 18, 2026; change from direct to indirect beneficial ownership

Direct shares after transfer 1,067 shares After the August 18, 2026 transfer

Key Terms

broker-administered dividend reinvestment plan, revocable living trust, beneficial ownership, Rule 16a-13

4 terms

broker-administered dividend reinvestment plan financial

"acquired pursuant to a broker-administered dividend reinvestment plan"

revocable living trust technical

"transfer to the Reporting Person's revocable living trust"

beneficial ownership regulatory

"change in the form of beneficial ownership from direct to indirect ownership"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

Rule 16a-13 regulatory

"exempt from Section 16 pursuant to Rule 16a-13"

FAQ

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

How many CME shares did William R. Shepard's trust acquire, and at what price?

William R. Shepard, a director of CME Group Inc., reported that his revocable living trust acquired 293 shares at $268.76 per share on September 25, 2026, through a broker-administered dividend reinvestment plan; no Rule 10b5-1 plan is reported.

Why did CME director William R. Shepard transfer shares to a trust?

The 2,554-share transaction changed the form of beneficial ownership from direct to indirect ownership through his revocable living trust. The transaction is exempt from Section 16 pursuant to Rule 16a-13 under the Securities Exchange Act of 1934.

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

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Available on EDGAR 09/28/2026 - 04:16 PM Accepted by SEC EDGAR 09/28/2026 - 04:15 PM

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^*

SHEPARD WILLIAM R

(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)
09/25/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock Class A	08/18/2026		J⁽¹⁾	V	2,553.779	D	$0	1,067	D
Common Stock Class A	08/18/2026		J⁽¹⁾	V	2,553.779	A	$0	262,996.092	I	by Trust
Common Stock Class A	09/25/2026		P		292.55⁽²⁾	A	$268.76	263,288.642	I	by Trust

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Reflects a change in the form of beneficial ownership from direct to indirect ownership via transfer to the Reporting Person's revocable living trust. This transaction is exempt from Section 16 pursuant to Rule 16a-13 under the Securities Exchange Act of 1934.

2. Represents shares acquired pursuant to a broker-administered dividend reinvestment plan.

Remarks:

	/s/ Elizabeth Hensen, as Attorney-in-Fact for William R. Shepard	09/28/2026
	** 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)

Source: View Original Filing on SEC EDGAR