CME

SEC source: 0001156375-24-000046 · wk-form4_1710861810.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,396

F2 · shares: Ms. Piell surrendered shares to the Company in order to fulfill tax withholding obligations in connection with the receipt of the performance share award.

SEC source: 0001156375-24-000046 · wk-form4_1710861810.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: 38,999

F1 · shares: Represents shares earned from a 2020 performance share award based on the company's achievement of total shareholder return relative to the S&P 500 measured over 2021-2023.

SEC source: 0001156375-24-000045 · wk-form4_1710861794.xml · nonDerivative · entry 2

Cutinho Sunil · CIK 0001619400 · Chief Information Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,495

F2 · shares: Mr. Cutinho surrendered shares to the Company in order to fulfill tax withholding obligations in connection with the receipt of the performance share award.

SEC source: 0001156375-24-000045 · wk-form4_1710861794.xml · nonDerivative · entry 1

Cutinho Sunil · CIK 0001619400 · Chief Information Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,678

F1 · shares: Represents shares earned from a 2020 performance share award based on the company's achievement of total shareholder return relative to the S&P 500 measured over 2021-2023.

SEC source: 0001156375-24-000044 · wk-form4_1710861782.xml · nonDerivative · entry 3

Tobin Jack J · CIK 0001638430 · MD Chief Accounting Officer · MD Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,965

F3 · shares: Mr. Tobin surrendered shares to the Company in order to fulfill tax withholding obligations upon the vesting of restricted stock on 3/15/2024.

SEC source: 0001156375-24-000044 · wk-form4_1710861782.xml · nonDerivative · entry 2

Tobin Jack J · CIK 0001638430 · MD Chief Accounting Officer · MD Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,444

F2 · shares: Mr. Tobin surrendered shares to the Company in order to fulfill tax withholding obligations in connection with the receipt of the performance share award.

SEC source: 0001156375-24-000044 · wk-form4_1710861782.xml · nonDerivative · entry 1

Tobin Jack J · CIK 0001638430 · MD Chief Accounting Officer · MD Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,603

F1 · shares: Represents shares earned from a 2020 performance share award based on the company's achievement of total shareholder return relative to the S&P 500 measured over 2021-2023.

SEC source: 0001156375-24-000043 · wk-form4_1710861770.xml · nonDerivative · entry 3

Sprague Suzanne · CIK 0001914409 · Sr MD Global Head of Clearing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,203

F3 · shares: Ms. Sprague surrendered shares to the Company in order to fulfill tax withholding obligations upon the vesting of restricted stock on 3/15/2024.

SEC source: 0001156375-24-000043 · wk-form4_1710861770.xml · nonDerivative · entry 2

Sprague Suzanne · CIK 0001914409 · Sr MD Global Head of Clearing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,284

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

SEC source: 0001156375-24-000043 · wk-form4_1710861770.xml · nonDerivative · entry 1

Sprague Suzanne · CIK 0001914409 · Sr MD Global Head of Clearing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,533

F1 · shares: Represents shares earned from a 2020 performance share award based on the company's achievement of total shareholder return relative to the S&P 500 measured over 2021-2023.

SEC source: 0001156375-24-000042 · wk-form4_1710861756.xml · nonDerivative · entry 2

Sammann Derek · CIK 0001475318 · Sr MD Gl Hd Commodity & Option

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,483

F2 · shares: Mr. Sammann surrendered shares to the Company in order to fulfill tax withholding obligations in connection with the receipt of the performance share award.

SEC source: 0001156375-24-000042 · wk-form4_1710861756.xml · nonDerivative · entry 1

Sammann Derek · CIK 0001475318 · Sr MD Gl Hd Commodity & Option

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,497

F1 · shares: Represents shares earned from a 2020 performance share award based on the company's achievement of total shareholder return relative to the S&P 500 measured over 2021-2023.

SEC source: 0001156375-24-000041 · wk-form4_1710861745.xml · nonDerivative · entry 3

Fitzpatrick Lynne · CIK 0001915955 · Sr MD Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,015

F3 · shares: Ms. Fitzpatrick surrendered shares to the Company in order to fulfill tax withholding obligations upon the vesting of restricted stock on 3/15/2024.

SEC source: 0001156375-24-000041 · wk-form4_1710861745.xml · nonDerivative · entry 2

Fitzpatrick Lynne · CIK 0001915955 · Sr MD Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,096

F2 · shares: Ms. Fitzpatrick surrendered shares to the Company in order to fulfill tax withholding obligations in connection with the receipt of the performance share award.

SEC source: 0001156375-24-000041 · wk-form4_1710861745.xml · nonDerivative · entry 1

Fitzpatrick Lynne · CIK 0001915955 · Sr MD Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,344

F1 · shares: Represents shares earned from a 2020 performance share award based on the company's achievement of total shareholder return relative to the S&P 500 measured over 2021-2023.

SEC source: 0001156375-24-000067 · wk-form4a_1712180976.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: 6,447

F5 · shares: Mr. McCourt surrendered shares to the Company in order to fulfill tax withholding obligations upon the vesting of restricted stock on 3/15/2024.

F3 · balance_after: The amount of shares beneficially owned also has been adjusted to reflect the sale of 35 shares that was reported on the Form 4 filed on March 22, 2024.

SEC source: 0001156375-24-000067 · wk-form4a_1712180976.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: 6,546

F4 · shares: Mr. McCourt surrendered shares to the Company in order to fulfill tax withholding obligations in connection with the receipt of the performance share award.

F3 · balance_after: The amount of shares beneficially owned also has been adjusted to reflect the sale of 35 shares that was reported on the Form 4 filed on March 22, 2024.

SEC source: 0001156375-24-000067 · wk-form4a_1712180976.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: 6,830

F1 · kind: This Form 4 is being amended to include the correct transaction code which was incorrectly reported on the original filing due to clerical error.

F2 · shares: Represents shares earned from a 2020 performance share award based on the company's achievement of total shareholder return relative to the S&P 500 measured over 2021-2023.

F3 · balance_after: The amount of shares beneficially owned also has been adjusted to reflect the sale of 35 shares that was reported on the Form 4 filed on March 22, 2024.

SEC source: 0001156375-24-000014 · wk-form4_1709912484.xml · nonDerivative · entry 1

Tobin Jack J · CIK 0001638430 · MD Chief Accounting Officer · MD Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,062

F1 · shares: This transaction represented a gift of securities from the reporting person to his adult children, who do not share the reporting person's household.

SEC source: 0001156375-24-000063 · wk-form4_1711137757.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: 6,447

F1 · shares: Represents a delinquent transaction for the sale of 35 shares on January 31, 2024.

SEC source: 0001156375-24-000004 · wk-form4_1705701805.xml · nonDerivative · entry 2

SHEPARD WILLIAM R · CIK 0001212852 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · by Trust

Disclosed balance after: 253,060.4653

F1 · shares: Reflects shares that were acquired pursuant to a dividend reinvestment plan administered by the reporting person's broker.

SEC source: 0001156375-24-000004 · wk-form4_1705701805.xml · nonDerivative · entry 1

SHEPARD WILLIAM R · CIK 0001212852 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,321.631

F1 · shares: Reflects shares that were acquired pursuant to a dividend reinvestment plan administered by the reporting person's broker.

SEC source: 0001156375-24-000002 · wk-form4_1704221825.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 82,191

F1 · shares: Mr. Duffy surrendered shares to the Company in order to fulfill tax withholding obligations upon the vesting of restricted stock on 12/31/2023. The closing price of CME Group Class A common stock on 12/29/2023 was used as 12/31/2023 was not a trading day.

SEC source: 0001156375-23-000203 · wk-form4_1703881885.xml · nonDerivative · entry 2

SHEPARD WILLIAM R · CIK 0001212852 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · by Trust

Disclosed balance after: 251,729.2663

F1 · shares: 1. Reflects shares that were acquired pursuant to a dividend reinvestment plan administered by the reporting person's broker.

SEC source: 0001156375-23-000203 · wk-form4_1703881885.xml · nonDerivative · entry 1

SHEPARD WILLIAM R · CIK 0001212852 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,262.945

F1 · shares: 1. Reflects shares that were acquired pursuant to a dividend reinvestment plan administered by the reporting person's broker.

SEC source: 0001156375-23-000200 · wk-form4_1702409378.xml · nonDerivative · entry 1

Durkin Bryan T · CIK 0001341363 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,452

SEC source: 0001156375-23-000198 · wk-form4_1701819037.xml · nonDerivative · entry 3

Sammann Derek · CIK 0001475318 · Sr MD Gl Hd Commodity & Option

10b5-1 filing: No plan indicated

Ownership: Indirect · by Children

Disclosed balance after: 0

SEC source: 0001156375-23-000198 · wk-form4_1701819037.xml · nonDerivative · entry 2

Sammann Derek · CIK 0001475318 · Sr MD Gl Hd Commodity & Option

10b5-1 filing: No plan indicated

Ownership: Indirect · by Children

Disclosed balance after: 1,862

SEC source: 0001156375-23-000198 · wk-form4_1701819037.xml · nonDerivative · entry 1

Sammann Derek · CIK 0001475318 · Sr MD Gl Hd Commodity & Option

10b5-1 filing: No plan indicated

Ownership: Indirect · by Spouse

Disclosed balance after: 7,022

SEC source: 0001156375-23-000196 · wk-form4_1699470898.xml · nonDerivative · entry 2

Sammann Derek · CIK 0001475318 · Sr MD Gl Hd Commodity & Option

10b5-1 filing: No plan indicated

Ownership: Indirect · by Spouse

Disclosed balance after: 16,772

F1 · shares: This transaction represents a gift of securities from the reporting person to his spouse on November 7, 2023. The reporting person disclaims beneficial ownership of the shares held by his spouse, and this report shall not be deemed as an admission that the reporting person is the beneficial owner of his spouse's shares for purposes of Section 16 or for any other purpose.

SEC source: 0001156375-23-000196 · wk-form4_1699470898.xml · nonDerivative · entry 1

Sammann Derek · CIK 0001475318 · Sr MD Gl Hd Commodity & Option

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,694

F1 · shares: This transaction represents a gift of securities from the reporting person to his spouse on November 7, 2023. The reporting person disclaims beneficial ownership of the shares held by his spouse, and this report shall not be deemed as an admission that the reporting person is the beneficial owner of his spouse's shares for purposes of Section 16 or for any other purpose.

SEC source: 0001156375-23-000194 · wk-form4_1699360706.xml · nonDerivative · entry 1

Suskind Dennis · CIK 0001361519 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,167

SEC source: 0001156375-23-000192 · wk-form4_1699307697.xml · nonDerivative · entry 2

Sammann Derek · CIK 0001475318 · Sr MD Gl Hd Commodity & Option

10b5-1 filing: No plan indicated

Ownership: Indirect · by Spouse

Disclosed balance after: 16,258

F1 · shares: This transaction represents a gift of securities from the reporting person to his spouse on November 2, 2023. The reporting person disclaims beneficial ownership of the shares held by his spouse, and this report shall not be deemed as an admission that the reporting person is the beneficial owner of his spouse's shares for purposes of Section 16 or for any other purpose.

SEC source: 0001156375-23-000192 · wk-form4_1699307697.xml · nonDerivative · entry 1

Sammann Derek · CIK 0001475318 · Sr MD Gl Hd Commodity & Option

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,208

F1 · shares: This transaction represents a gift of securities from the reporting person to his spouse on November 2, 2023. The reporting person disclaims beneficial ownership of the shares held by his spouse, and this report shall not be deemed as an admission that the reporting person is the beneficial owner of his spouse's shares for purposes of Section 16 or for any other purpose.

SEC source: 0001156375-23-000187 · wk-form4_1698847785.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: 6,309

SEC source: 0001156375-23-000185 · wk-form4_1698847606.xml · nonDerivative · entry 1

Sprague Suzanne · CIK 0001914409 · Sr MD Global Head of Clearing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,972

SEC source: 0001156375-23-000182 · wk-form4_1698702477.xml · nonDerivative · entry 1

Cook Elizabeth A · CIK 0001643475 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · by Trust

Disclosed balance after: 19,241

SEC source: 0001156375-23-000180 · wk-form4_1698683721.xml · nonDerivative · entry 1

Cook Elizabeth A · CIK 0001643475 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · by Trust

Disclosed balance after: 19,741

SEC source: 0001156375-23-000176 · wk-form4_1698346411.xml · nonDerivative · entry 1

GEPSMAN MARTIN J · CIK 0001212813 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,719

SEC source: 0001156375-23-000178 · wk-form4_1698414969.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: 6,352

SEC source: 0001156375-24-000016 · wk-form5_1710534001.xml · nonDerivative · entry 7

Carey Charles P · CIK 0001341358 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · by Partnership

Disclosed balance after: 0

F3 · shares: This Form 5 is being filed to reflect an update to Mr. Carey's ownership of Class B shares that were previously reported as being indirectly owned by Mr. Carey in connection with his ownership of HC Technologies. Subsequent to the sale of HC Technologies' assets, one Class B-4 share was sold on October 10, 2023. The Class B common stock of CME Group Inc. is not listed on a national securities exchange or traded in an organized over-the-counter market. Each class of the Class B common stock is associated with a membership in a specific division of the exchange. We assume that because the Class B shares have the same equitable interest in our earnings and the same dividend payments as our Class A shares, that if reported separately from the associated trading rights, they would have the same market price as our Class A common stock. The closing price for our Class A common stock on October 10, 2023 was $216.09.

SEC source: 0001156375-24-000016 · wk-form5_1710534001.xml · nonDerivative · entry 6

Carey Charles P · CIK 0001341358 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · by Partnership

Disclosed balance after: 0

F2 · shares: This Form 5 is being filed to reflect an update to Mr. Carey's ownership of Class B shares that were previously reported as being indirectly owned by Mr. Carey in connection with his ownership of HC Technologies. Subsequent to the sale of HC Technologies' assets, one Class B-1 share and one Class B-3 share were sold on October 9, 2023. The Class B common stock of CME Group Inc. is not listed on a national securities exchange or traded in an organized over-the-counter market. Each class of the Class B common stock is associated with a membership in a specific division of the exchange. We assume that because the Class B shares have the same equitable interest in our earnings and the same dividend payments as our Class A shares, that if reported separately from the associated trading rights, they would have the same market price as our Class A common stock. The closing price for our Class A common stock on October 9, 2023 was $215.76

SEC source: 0001156375-24-000016 · wk-form5_1710534001.xml · nonDerivative · entry 5

Carey Charles P · CIK 0001341358 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · by Partnership

Disclosed balance after: 0

F2 · shares: This Form 5 is being filed to reflect an update to Mr. Carey's ownership of Class B shares that were previously reported as being indirectly owned by Mr. Carey in connection with his ownership of HC Technologies. Subsequent to the sale of HC Technologies' assets, one Class B-1 share and one Class B-3 share were sold on October 9, 2023. The Class B common stock of CME Group Inc. is not listed on a national securities exchange or traded in an organized over-the-counter market. Each class of the Class B common stock is associated with a membership in a specific division of the exchange. We assume that because the Class B shares have the same equitable interest in our earnings and the same dividend payments as our Class A shares, that if reported separately from the associated trading rights, they would have the same market price as our Class A common stock. The closing price for our Class A common stock on October 9, 2023 was $215.76

SEC source: 0001156375-24-000016 · wk-form5_1710534001.xml · nonDerivative · entry 4

Carey Charles P · CIK 0001341358 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · by Partnership

Disclosed balance after: 0

F1 · shares: This Form 5 is being filed to reflect an update to Mr. Carey's ownership of Class B shares that were previously reported as being indirectly owned by Mr. Carey in connection with his ownership of HC Technologies. Subsequent to the sale of HC Technologies' assets, one Class B-2 share was sold on October 6, 2023. The Class B common stock of CME Group Inc. is not listed on a national securities exchange or traded in an organized over-the-counter market. Each class of the Class B common stock is associated with a membership in a specific division of the exchange. We assume that because the Class B shares have the same equitable interest in our earnings and the same dividend payments as our Class A shares, that if reported separately from the associated trading rights, they would have the same market price as our Class A common stock. The closing price for our Class A common stock on October 6, 2023 was $211.93.

SEC source: 0001156375-23-000171 · wk-form4_1696600032.xml · nonDerivative · entry 2

SHEPARD WILLIAM R · CIK 0001212852 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · by Trust

Disclosed balance after: 251,462.7943

F1 · shares: Reflects shares that were acquired pursuant to a dividend reinvestment plan administered by the reporting person's broker.

SEC source: 0001156375-23-000171 · wk-form4_1696600032.xml · nonDerivative · entry 1

SHEPARD WILLIAM R · CIK 0001212852 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,251.197

F1 · shares: Reflects shares that were acquired pursuant to a dividend reinvestment plan administered by the reporting person's broker.

SEC source: 0001156375-23-000154 · wk-form4_1695075058.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: 7,395

F2 · shares: Mr. McCourt surrendered shares to the Company in order to fulfill tax withholding obligations upon the vesting of restricted stock on 9/16/2023.

SEC source: 0001156375-23-000168 · wk-form4_1695075523.xml · nonDerivative · entry 3

Holzrichter Julie · CIK 0001409442 · Sr MD Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,206

F2 · shares: Ms. Holzrichter surrendered shares to the Company in order to fulfill tax withholding obligations upon the vesting of restricted stock on 9/16/2023.

SEC source: 0001156375-23-000166 · wk-form4_1695075465.xml · nonDerivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,952

F2 · shares: Ms. Piell surrendered shares to the Company in order to fulfill tax withholding obligations upon the vesting of restricted stock on 9/16/2023.

SEC source: 0001156375-23-000164 · wk-form4_1695075400.xml · nonDerivative · entry 3

Vroman Ken · CIK 0001429863 · Chief Transformation Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,142

F2 · shares: Mr. Vroman surrendered shares to the Company in order to fulfill tax withholding obligations upon the vesting of restricted stock on 9/16/2023.