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Nasdaq · USD

CME

CME GROUP INC.

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Tapewire entity
2909
SEC CIK
0001156375
Parsed reports
929

Last 12 months

Inside the activity.

7 purchase rows · 18 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202503
Dec 202522
Jan 202600
Feb 202603
Mar 202624
Apr 202600
May 202603
Jun 202620
Jul 202600
Aug 202600
Sep 202613
Oct 202600

Latest available

Insider transactions

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
September 15, 2026 Filed Sep 17, 2026 20:19 UTC
Cutinho SunilChief Information Officer
GrantCommon Stock Class A 2,864 $275.09 $787,857.76
Disclosure

SEC source: 0001619400-26-000003 · wk-form4_1789676349.xml · nonDerivative · entry 1

Cutinho Sunil · CIK 0001619400 · Chief Information Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,450

F1 · kind: Represents a grant of restricted stock under the CME Group Omnibus Stock Plan, vesting in four equal annual installments, subject to continued service.

Read SEC document
September 14, 2026 Filed Sep 15, 2026 00:04 UTC SaleCommon Stock Class A 500 $280.11 $140,055.00
Disclosure

SEC source: 0001156375-26-000054 · wk-form4_1789430691.xml · nonDerivative · entry 1

Cook Elizabeth A · CIK 0001643475 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · by Trust

Disclosed balance after: 17,916

Read SEC document
September 10, 2026 Filed Sep 11, 2026 21:17 UTC
DUFFY TERRENCE ADirector · Chairman and CEO
SaleCommon Stock Class A 628 $275.03 $172,718.84
Disclosure

SEC source: 0001212809-26-000006 · wk-form4_1789161450.xml · nonDerivative · entry 2

DUFFY TERRENCE A · CIK 0001212809 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,630

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $274.9056 to $275.0804, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

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September 10, 2026 Filed Sep 11, 2026 21:17 UTC
DUFFY TERRENCE ADirector · Chairman and CEO
SaleCommon Stock Class A 14,372 $274.41 $3,943,820.52
Disclosure

SEC source: 0001212809-26-000006 · wk-form4_1789161450.xml · nonDerivative · entry 1

DUFFY TERRENCE A · CIK 0001212809 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,258

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $273.875 to $274.85, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Read SEC document
August 18, 2026 Filed Sep 28, 2026 20:15 UTC OtherCommon Stock Class A 2,553.779 $0.00 $0.00
Disclosure

SEC source: 0001212852-26-000005 · wk-form4_1790626530.xml · nonDerivative · entry 2

SHEPARD WILLIAM R · CIK 0001212852 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · by Trust

Disclosed balance after: 262,996.092

F1 · kind: 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.

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August 18, 2026 Filed Sep 28, 2026 20:15 UTC OtherCommon Stock Class A 2,553.779 $0.00 $0.00
Disclosure

SEC source: 0001212852-26-000005 · wk-form4_1790626530.xml · nonDerivative · entry 1

SHEPARD WILLIAM R · CIK 0001212852 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,067

F1 · kind: 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.

Read SEC document
June 25, 2026 Filed Jun 29, 2026 20:31 UTC GrantCommon Stock Class A 645 $225.00 $145,125.00
Disclosure

SEC source: 0001776581-26-000003 · wk-form4_1782765060.xml · nonDerivative · entry 1

Tierney Robert J JR · CIK 0001776581 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,345

F1 · kind: 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.

Read SEC document
June 25, 2026 Filed Jun 29, 2026 20:30 UTC GrantCommon Stock Class A 645 $225.00 $145,125.00
Disclosure

SEC source: 0001212813-26-000003 · wk-form4_1782765002.xml · nonDerivative · entry 1

GEPSMAN MARTIN J · CIK 0001212813 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,644

F1 · kind: 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.

Read SEC document
June 25, 2026 Filed Jun 29, 2026 20:28 UTC PurchaseCommon Stock Class A 324.782 $230.57 $74,884.99
Disclosure

SEC source: 0001212852-26-000003 · wk-form4_1782764934.xml · nonDerivative · entry 4

SHEPARD WILLIAM R · CIK 0001212852 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · by Trust

Disclosed balance after: 260,442.322

F3 · shares: Represents shares acquired pursuant to a broker-administered dividend reinvestment plan.

Read SEC document
June 25, 2026 Filed Jun 29, 2026 20:28 UTC PurchaseCommon Stock Class A 14.318 $230.57 $3,301.30
Disclosure

SEC source: 0001212852-26-000003 · wk-form4_1782764934.xml · nonDerivative · entry 3

SHEPARD WILLIAM R · CIK 0001212852 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,620.768

F3 · shares: Represents shares acquired pursuant to a broker-administered dividend reinvestment plan.

Read SEC document
June 25, 2026 Filed Jun 29, 2026 20:28 UTC GrantCommon Stock Class A 422 $225.00 $94,950.00
Disclosure

SEC source: 0001212852-26-000003 · wk-form4_1782764934.xml · nonDerivative · entry 2

SHEPARD WILLIAM R · CIK 0001212852 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,606.45

F2 · kind: At the Reporting Person's election, shares issued in lieu of all or a portion of the annual cash retainer for serving as a member of the Board of Directors. The number of shares was determined by dividing the cash retainer by the closing price on the date of grant.

Read SEC document
June 25, 2026 Filed Jun 29, 2026 20:28 UTC GrantCommon Stock Class A 645 $225.00 $145,125.00
Disclosure

SEC source: 0001212852-26-000003 · wk-form4_1782764934.xml · nonDerivative · entry 1

SHEPARD WILLIAM R · CIK 0001212852 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,184.45

F1 · kind: 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.

Read SEC document
June 25, 2026 Filed Jun 29, 2026 20:27 UTC
Seifu RahaelDirector
GrantCommon Stock Class A 645 $225.00 $145,125.00
Disclosure

SEC source: 0001812194-26-000003 · wk-form4_1782764863.xml · nonDerivative · entry 1

Seifu Rahael · CIK 0001812194 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,739

F1 · kind: 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.

Read SEC document
June 25, 2026 Filed Jun 29, 2026 20:25 UTC GrantCommon Stock Class A 645 $225.00 $145,125.00
Disclosure

SEC source: 0001361519-26-000003 · wk-form4_1782764715.xml · nonDerivative · entry 1

Suskind Dennis · CIK 0001361519 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,344

F1 · kind: 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.

Read SEC document
June 25, 2026 Filed Jun 29, 2026 20:24 UTC GrantCommon Stock Class A 422 $225.00 $94,950.00
Disclosure

SEC source: 0001212853-26-000003 · wk-form4_1782764657.xml · nonDerivative · entry 2

SIEGEL HOWARD J · CIK 0001212853 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,858

F2 · kind: At the Reporting Person's election, shares issued in lieu of all or a portion of the annual cash retainer for serving as a member of the Board of Directors. The number of shares was determined by dividing the cash retainer by the closing price on the date of grant.

Read SEC document
June 25, 2026 Filed Jun 29, 2026 20:24 UTC GrantCommon Stock Class A 645 $225.00 $145,125.00
Disclosure

SEC source: 0001212853-26-000003 · wk-form4_1782764657.xml · nonDerivative · entry 1

SIEGEL HOWARD J · CIK 0001212853 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,436

F1 · kind: 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.

Read SEC document
June 25, 2026 Filed Jun 29, 2026 20:22 UTC GrantCommon Stock Class A 645 $225.00 $145,125.00
Disclosure

SEC source: 0001812174-26-000003 · wk-form4_1782764548.xml · nonDerivative · entry 1

Mulchrone Patrick J · CIK 0001812174 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,130

F1 · kind: 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.

Read SEC document
June 25, 2026 Filed Jun 29, 2026 20:21 UTC GrantCommon Stock Class A 645 $225.00 $145,125.00
Disclosure

SEC source: 0001812087-26-000003 · wk-form4_1782764458.xml · nonDerivative · entry 1

Maloney Patrick W · CIK 0001812087 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,743

F1 · kind: 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.

Read SEC document
June 25, 2026 Filed Jun 29, 2026 20:20 UTC GrantCommon Stock Class A 645 $225.00 $145,125.00
Disclosure

SEC source: 0001329150-26-000003 · wk-form4_1782764403.xml · nonDerivative · entry 1

Lucas Deborah J · CIK 0001329150 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,533

F1 · kind: 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.

Read SEC document
June 25, 2026 Filed Jun 29, 2026 20:19 UTC GrantCommon Stock Class A 645 $225.00 $145,125.00
Disclosure

SEC source: 0001776684-26-000003 · wk-form4_1782764348.xml · nonDerivative · entry 1

Lockett Phyllis M · CIK 0001776684 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,285

F1 · kind: 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.

Read SEC document
June 25, 2026 Filed Jun 29, 2026 20:18 UTC GrantCommon Stock Class A 645 $225.00 $145,125.00
Disclosure

SEC source: 0001556974-26-000005 · wk-form4_1782764284.xml · nonDerivative · entry 1

Kaye Daniel G · CIK 0001556974 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,845

F1 · kind: 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.

Read SEC document
June 25, 2026 Filed Jun 29, 2026 20:15 UTC GrantCommon Stock Class A 422 $225.00 $94,950.00
Disclosure

SEC source: 0001156375-26-000037 · wk-form4_1782764127.xml · nonDerivative · entry 2

Ford Harold Eugene Jr. · CIK 0001799464 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,158

F2 · kind: At the Reporting Person's election, shares issued in lieu of all or a portion of the annual cash retainer for serving as a member of the Board of Directors. The number of shares was determined by dividing the cash retainer by the closing price on the date of grant.

Read SEC document
June 25, 2026 Filed Jun 29, 2026 20:15 UTC GrantCommon Stock Class A 645 $225.00 $145,125.00
Disclosure

SEC source: 0001156375-26-000037 · wk-form4_1782764127.xml · nonDerivative · entry 1

Ford Harold Eugene Jr. · CIK 0001799464 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,736

F1 · kind: 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.

Read SEC document
June 25, 2026 Filed Jun 29, 2026 20:17 UTC GrantCommon Stock Class A 422 $225.00 $94,950.00
Disclosure

SEC source: 0001643402-26-000003 · wk-form4_1782764217.xml · nonDerivative · entry 4

Hobert William W · CIK 0001643402 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 108,005.531

F4 · kind: At the Reporting Person's election, shares issued in lieu of all or a portion of the annual cash retainer for serving as a member of the Board of Directors. The number of shares was determined by dividing the cash retainer by the closing price on the date of grant.

Read SEC document
June 25, 2026 Filed Jun 29, 2026 20:17 UTC GrantCommon Stock Class A 645 $225.00 $145,125.00
Disclosure

SEC source: 0001643402-26-000003 · wk-form4_1782764217.xml · nonDerivative · entry 3

Hobert William W · CIK 0001643402 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 107,583.531

F3 · kind: 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.

Read SEC document
June 25, 2026 Filed Jun 29, 2026 20:13 UTC GrantCommon Stock Class A 645 $225.00 $145,125.00
Disclosure

SEC source: 0001643475-26-000003 · wk-form4_1782763993.xml · nonDerivative · entry 1

Cook Elizabeth A · CIK 0001643475 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · by Trust

Disclosed balance after: 18,416

F1 · kind: 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.

Read SEC document
June 25, 2026 Filed Jun 29, 2026 20:14 UTC GrantCommon Stock Class A 645 $225.00 $145,125.00
Disclosure

SEC source: 0001341363-26-000003 · wk-form4_1782764052.xml · nonDerivative · entry 1

Durkin Bryan T · CIK 0001341363 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,652

F1 · kind: 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.

Read SEC document
June 25, 2026 Filed Jun 29, 2026 20:11 UTC GrantCommon Stock Class A 422 $225.00 $94,950.00
Disclosure

SEC source: 0001341358-26-000003 · wk-form4_1782763903.xml · nonDerivative · entry 2

Carey Charles P · CIK 0001341358 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · by Trust

Disclosed balance after: 6,846

F2 · kind: At the Reporting Person's election, shares issued in lieu of all or a portion of the annual cash retainer for serving as a member of the Board of Directors. The number of shares was determined by dividing the cash retainer by the closing price on the date of grant.

Read SEC document
June 25, 2026 Filed Jun 29, 2026 20:11 UTC GrantCommon Stock Class A 645 $225.00 $145,125.00
Disclosure

SEC source: 0001341358-26-000003 · wk-form4_1782763903.xml · nonDerivative · entry 1

Carey Charles P · CIK 0001341358 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · by Trust

Disclosed balance after: 6,424

F1 · kind: 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.

Read SEC document
June 25, 2026 Filed Jun 29, 2026 20:10 UTC GrantCommon Stock Class A 645 $225.00 $145,125.00
Disclosure

SEC source: 0001434852-26-000003 · wk-form4_1782763828.xml · nonDerivative · entry 1

Bitsberger Timothy S. · CIK 0001434852 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,766

F1 · kind: 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.

Read SEC document
June 25, 2026 Filed Jun 29, 2026 20:08 UTC GrantCommon Stock Class A 645 $225.00 $145,125.00
Disclosure

SEC source: 0001976318-26-000003 · wk-form4_1782763685.xml · nonDerivative · entry 1

Benesh Kathryn · CIK 0001976318 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,751.948

F1 · kind: 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.

Read SEC document
May 25, 2026 Filed Sep 17, 2026 20:25 UTC
Sammann DerekSr MD Gl Hd Commodities Mkts
OtherCommon Stock Class A 4,629 $0.00 $0.00
Disclosure

SEC source: 0001475318-26-000003 · wk-form4_1789676756.xml · nonDerivative · entry 2

Sammann Derek · CIK 0001475318 · Sr MD Gl Hd Commodities Mkts

10b5-1 filing: No plan indicated

Ownership: Indirect · by Trust

Disclosed balance after: 15,657

F1 · kind: 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.

Read SEC document
May 25, 2026 Filed Sep 17, 2026 20:25 UTC
Sammann DerekSr MD Gl Hd Commodities Mkts
OtherCommon Stock Class A 4,629 $0.00 $0.00
Disclosure

SEC source: 0001475318-26-000003 · wk-form4_1789676756.xml · nonDerivative · entry 1

Sammann Derek · CIK 0001475318 · Sr MD Gl Hd Commodities Mkts

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,683

F1 · kind: 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.

Read SEC document
May 18, 2026 Filed May 19, 2026 20:22 UTC
Piell Hilda HarrisSr MD & Chief HR Officer
SaleCommon Stock Class A 5,753 $304.63 $1,752,536.39
Disclosure

SEC source: 0001156375-26-000029 · wk-form4_1779222156.xml · nonDerivative · entry 1

Piell Hilda Harris · CIK 0001409789 · Sr MD & Chief HR Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,702

Read SEC document
May 15, 2026 Filed May 18, 2026 20:12 UTC
DUFFY TERRENCE ADirector · Chairman and CEO
SaleCommon Stock Class A 9,004 $299.58 $2,697,418.32
Disclosure

SEC source: 0001212809-26-000004 · wk-form4_1779135132.xml · nonDerivative · entry 2

DUFFY TERRENCE A · CIK 0001212809 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,630

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $299.00 to $299.95, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Read SEC document
May 15, 2026 Filed May 18, 2026 20:12 UTC
DUFFY TERRENCE ADirector · Chairman and CEO
SaleCommon Stock Class A 25,996 $298.14 $7,750,447.44
Disclosure

SEC source: 0001212809-26-000004 · wk-form4_1779135132.xml · nonDerivative · entry 1

DUFFY TERRENCE A · CIK 0001212809 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,634

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $298.00 to $298.89, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Read SEC document
May 01, 2026 Filed Jun 29, 2026 20:17 UTC OtherCommon Stock Class A 20,320 Not disclosed Not disclosed
Disclosure

SEC source: 0001643402-26-000003 · wk-form4_1782764217.xml · nonDerivative · entry 2

Hobert William W · CIK 0001643402 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 106,938.531

F1 · price: Represents a pro-rata, in-kind distribution of Class A Common Stock by WH Trading LLC to the Reporting Person for no consideration in a transaction exempt under Rule 16a-13. The Reporting Person received 20,320 shares in his individual capacity, which are now held directly. Previously, such shares were reported as being held indirectly by the Reporting Person. Effective May 1, 2026, the Reporting Person is no longer the managing member of WH Trading LLC. As a result of his retirement, the Reporting Person no longer shares voting or dispositive power over, or holds a reportable pecuniary interest in, the shares held of record by WH Trading LLC.

F2 · balance_after: The amount of securities beneficially owned reported in Column 5 has been adjusted to reflect an administrative tracking true-up of 20.531 shares due to a cumulative clerical error in the calculation of historical balances. This adjustment reflects the Reporting Person's actual beneficial ownership as of the date of this filing.

Read SEC document
May 01, 2026 Filed Jun 29, 2026 20:17 UTC OtherCommon Stock Class A 20,320 Not disclosed Not disclosed
Disclosure

SEC source: 0001643402-26-000003 · wk-form4_1782764217.xml · nonDerivative · entry 1

Hobert William W · CIK 0001643402 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Firm

Disclosed balance after: 19,680

F1 · price: Represents a pro-rata, in-kind distribution of Class A Common Stock by WH Trading LLC to the Reporting Person for no consideration in a transaction exempt under Rule 16a-13. The Reporting Person received 20,320 shares in his individual capacity, which are now held directly. Previously, such shares were reported as being held indirectly by the Reporting Person. Effective May 1, 2026, the Reporting Person is no longer the managing member of WH Trading LLC. As a result of his retirement, the Reporting Person no longer shares voting or dispositive power over, or holds a reportable pecuniary interest in, the shares held of record by WH Trading LLC.

Read SEC document
March 26, 2026 Filed Mar 30, 2026 21:30 UTC PurchaseCommon Stock Class A 62.06 $297.38 $18,455.40
Disclosure

SEC source: 0001628280-26-022028 · wk-form4_1774901973.xml · nonDerivative · entry 2

SHEPARD WILLIAM R · CIK 0001212852 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,539.45

F1 · shares: Reflects shares that were acquired pursuant to a dividend reinvestment plan administered by the reporting person's broker. Actual amounts of fractional shares owned may vary slightly due to rounding.

Read SEC document
March 26, 2026 Filed Mar 30, 2026 21:30 UTC PurchaseCommon Stock Class A 1,407.78 $297.38 $418,645.62
Disclosure

SEC source: 0001628280-26-022028 · wk-form4_1774901973.xml · nonDerivative · entry 1

SHEPARD WILLIAM R · CIK 0001212852 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · by Trust

Disclosed balance after: 260,117.54

F1 · shares: Reflects shares that were acquired pursuant to a dividend reinvestment plan administered by the reporting person's broker. Actual amounts of fractional shares owned may vary slightly due to rounding.

Read SEC document
March 17, 2026 Filed Mar 19, 2026 13:47 UTC
Marcus Jonathan LSr MD General Counsel
SaleCommon Stock Class A 3,291 $333.37 $1,097,120.67
Disclosure

SEC source: 0001628280-26-019658 · wk-form4_1773928030.xml · nonDerivative · entry 1

Marcus Jonathan L · CIK 0001952996 · Sr MD General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,192

F1 · shares: This transaction was effected pursuant to a Rule 10b5-1 plan adopted by the reporting person on February 18, 2025.

Read SEC document
March 17, 2026 Filed Mar 23, 2026 13:38 UTC Amendment
Marcus Jonathan LSr MD General Counsel
SaleCommon Stock Class A 3,291 $313.37 $1,031,300.67
Disclosure

SEC source: 0001628280-26-020364 · wk-form4a_1774273136.xml · nonDerivative · entry 1

Marcus Jonathan L · CIK 0001952996 · Sr MD General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,192

F1 · shares: This transaction was effected pursuant to a Rule 10b5-1 plan adopted by the reporting person on February 18, 2025.

F2 · price: This amendment is being filed to correct the price per share of the common stock sold on March 17, 2026, which was incorrectly reported on the original Form 4 filed on March 19, 2026 due to a clerical error. All other information in the original Form 4 remains unchanged.

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March 15, 2026 Filed Mar 17, 2026 12:24 UTC
McCourt Timothy FrancisSr MD Global Head Equity & FX
Tax withholdingCommon Stock Class A 94 $311.40 $29,271.60
Disclosure

SEC source: 0001628280-26-018545 · wk-form4_1773764648.xml · nonDerivative · entry 3

McCourt Timothy Francis · CIK 0001917308 · Sr MD Global Head Equity & FX

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,108

F3 · shares: Mr. McCourt surrendered shares to the company to fulfill tax withholding obligations upon the vesting of restricted stock on 3/15/2026.

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March 15, 2026 Filed Mar 17, 2026 12:24 UTC
McCourt Timothy FrancisSr MD Global Head Equity & FX
Tax withholdingCommon Stock Class A 2,810 $311.40 $875,034.00
Disclosure

SEC source: 0001628280-26-018545 · wk-form4_1773764648.xml · nonDerivative · entry 2

McCourt Timothy Francis · CIK 0001917308 · Sr MD Global Head Equity & FX

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,202

F2 · shares: Mr. McCourt surrendered shares to the company in order to fulfill tax withholding obligations related to the receipt of the performance share award.

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March 15, 2026 Filed Mar 17, 2026 12:24 UTC
McCourt Timothy FrancisSr MD Global Head Equity & FX
GrantCommon Stock Class A 5,504 $311.40 $1,713,945.60
Disclosure

SEC source: 0001628280-26-018545 · wk-form4_1773764648.xml · nonDerivative · entry 1

McCourt Timothy Francis · CIK 0001917308 · Sr MD Global Head Equity & FX

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,012

F1 · shares: 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.

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March 15, 2026 Filed Mar 17, 2026 16:23 UTC
Sprague SuzanneCOO & Global Head of Clearing
Tax withholdingCommon Stock Class A 76 $311.40 $23,666.40
Disclosure

SEC source: 0001628280-26-018542 · wk-form4_1773764630.xml · nonDerivative · entry 3

Sprague Suzanne · CIK 0001914409 · COO & Global Head of Clearing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,836

F3 · shares: Ms. Sprague surrendered shares to the company to fulfill tax withholding obligations upon the vesting of restricted stock on 3/15/2026.

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March 15, 2026 Filed Mar 17, 2026 16:23 UTC
Sprague SuzanneCOO & Global Head of Clearing
Tax withholdingCommon Stock Class A 2,439 $311.40 $759,504.60
Disclosure

SEC source: 0001628280-26-018542 · wk-form4_1773764630.xml · nonDerivative · entry 2

Sprague Suzanne · CIK 0001914409 · COO & Global Head of Clearing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,912

F2 · shares: Ms. Sprague surrendered shares to the company in order to fulfill tax withholding obligations related to the receipt of the performance share award.

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March 15, 2026 Filed Mar 17, 2026 16:23 UTC
Sprague SuzanneCOO & Global Head of Clearing
GrantCommon Stock Class A 5,504 $311.40 $1,713,945.60
Disclosure

SEC source: 0001628280-26-018542 · wk-form4_1773764630.xml · nonDerivative · entry 1

Sprague Suzanne · CIK 0001914409 · COO & Global Head of Clearing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,351

F1 · shares: 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.

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March 15, 2026 Filed Mar 17, 2026 16:24 UTC
Marcus Jonathan LSr MD General Counsel
Tax withholdingCommon Stock Class A 261 $311.40 $81,275.40
Disclosure

SEC source: 0001628280-26-018544 · wk-form4_1773764642.xml · nonDerivative · entry 3

Marcus Jonathan L · CIK 0001952996 · Sr MD General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,483

F3 · shares: Mr. Marcus surrendered shares to the company to fulfill tax withholding obligations upon the vesting of restricted stock on 3/15/2026.

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March 15, 2026 Filed Mar 17, 2026 16:24 UTC
Marcus Jonathan LSr MD General Counsel
Tax withholdingCommon Stock Class A 2,377 $311.40 $740,197.80
Disclosure

SEC source: 0001628280-26-018544 · wk-form4_1773764642.xml · nonDerivative · entry 2

Marcus Jonathan L · CIK 0001952996 · Sr MD General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,744

F2 · shares: Mr. Marcus surrendered shares to the company in order to fulfill tax withholding obligations related to the receipt of the performance share award.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.