FOUR

SEC source: 0001193125-26-340231 · ownership.xml · nonDerivative · entry 2

Cruz Christopher Nestor · CIK 0001814178 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 257,566

F2 · shares: Represents an award of restricted stock units, which will vest in three equal annual installments beginning on February 27, 2027.

SEC source: 0001193125-26-340231 · ownership.xml · nonDerivative · entry 1

Cruz Christopher Nestor · CIK 0001814178 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 232,712

F1 · shares: These shares were withheld for payment of the withholding taxes upon the vesting of the restricted stock units granted to the Reporting Person on August 6, 2025.

SEC source: 0001794669-26-000036 · wk-form4_1781728200.xml · nonDerivative · entry 1

Dallaire Seth · CIK 0002058309 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,084

F1 · shares: Represents an award of restricted stock units, which vest in full on the one year anniversary of the grant date, subject to the Reporting Person's continued service.

SEC source: 0001794669-26-000035 · wk-form4_1781728156.xml · nonDerivative · entry 1

Davis Karen Roter · CIK 0001878982 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,309

F1 · shares: Represents an award of restricted stock units, which vest in full on the one year anniversary of the grant date, subject to the Reporting Person's continued service.

SEC source: 0001794669-26-000033 · wk-form4_1781728116.xml · nonDerivative · entry 1

Disman Nancy · CIK 0001621493 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 197,987

F1 · shares: Represents an award of restricted stock units, which vest in full on the one year anniversary of the grant date, subject to the Reporting Person's continued service.

SEC source: 0001794669-26-000034 · wk-form4_1781728136.xml · nonDerivative · entry 1

Halkyard Jonathan S · CIK 0001371536 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,621

F1 · shares: Represents an award of restricted stock units, which vest in full on the one year anniversary of the grant date, subject to the Reporting Person's continued service.

SEC source: 0001794669-26-000038 · wk-form4_1781728258.xml · nonDerivative · entry 1

Bakhshandehpour Sam · CIK 0001598283 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,772

F1 · shares: Represents an award of restricted stock units, which vest in full on the one year anniversary of the grant date, subject to the Reporting Person's continued service.

SEC source: 0001794669-26-000037 · wk-form4_1781728230.xml · nonDerivative · entry 1

Goldsmith-Grover Sarah · CIK 0001811990 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,984

F1 · shares: Represents an award of restricted stock units, which vest in full on the one year anniversary of the grant date, subject to the Reporting Person's continued service.

SEC source: 0001794669-26-000025 · wk-form4_1781052150.xml · nonDerivative · entry 1

Lauber David Taylor · CIK 0001805630 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 450,557

F1 · shares: These shares were withheld for payment of the withholding taxes upon the vesting of the restricted stock units granted to the Reporting Person on June 17, 2025.

F2 · balance_after: Balance has been adjusted by 4,024 shares from the Reporting Person's most recently filed Form 4, representing previously withheld shares that had not been reported.

SEC source: 0001193125-26-220715 · ownership.xml · nonDerivative · entry 2

Isaacman Jared · CIK 0001805608 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,787,455

F2 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $39.6539 to $41.5200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001193125-26-220715 · ownership.xml · nonDerivative · entry 1

Isaacman Jared · CIK 0001805608 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,594,455

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $40.6231 to $ 41.6762, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001193125-26-111389 · ownership.xml · nonDerivative · entry 2

Isaacman Jared · CIK 0001805608 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 20,750,915

F2 · kind: The transaction reported shows the Reporting Person's previously agreed charitable gift of 1,600 shares of the Issuer's Class A common stock to Renaissance Charitable Foundation, Inc. The total number of securities held of record by Rook has been reduced by 951,487 shares of Class A Common Stock to account for the correct number of shares on the Reporting Person's Form 4 filed on March 2, 2026.

F2 · balance_after: The transaction reported shows the Reporting Person's previously agreed charitable gift of 1,600 shares of the Issuer's Class A common stock to Renaissance Charitable Foundation, Inc. The total number of securities held of record by Rook has been reduced by 951,487 shares of Class A Common Stock to account for the correct number of shares on the Reporting Person's Form 4 filed on March 2, 2026.

F3 · ownership.nature: Securities held of record by Rook. The Reporting Person is the sole stockholder of Rook and therefore may be deemed to have beneficial ownership with respect to such securities.

SEC source: 0001193125-26-101011 · ownership.xml · nonDerivative · entry 1

Isaacman Jared · CIK 0001805608 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,410,727

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $45.7245 to $45.7661, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001193125-26-089567 · ownership.xml · nonDerivative · entry 4

Lauber David Taylor · CIK 0001805630 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 459,774

F4 · shares: These shares were withheld for payment of the withholding taxes upon the vesting of the restricted stock units granted to the Reporting Person on March 2, 2023.

SEC source: 0001193125-26-089559 · ownership.xml · nonDerivative · entry 4

Disman Nancy · CIK 0001621493 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 190,644

F4 · shares: These shares were withheld for payment of the withholding taxes upon the vesting of the restricted stock units granted to the Reporting Person on March 2, 2023.

SEC source: 0001193125-26-089784 · ownership.xml · nonDerivative · entry 1

Isaacman Jared · CIK 0001805608 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,366,900

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $43.8257 to $43.8441, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001193125-26-091470 · ownership.xml · nonDerivative · entry 4

Frankel Jordan · CIK 0001805622 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 279,844

F4 · shares: These shares were withheld for payment of the withholding taxes upon the vesting of the restricted stock units granted to the Reporting Person on March 2, 2023.

SEC source: 0001193125-26-089567 · ownership.xml · nonDerivative · entry 3

Lauber David Taylor · CIK 0001805630 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 472,076

F3 · shares: These shares were withheld for payment of the withholding taxes upon the vesting of the restricted stock units granted to the Reporting Person on February 29, 2024.

SEC source: 0001193125-26-089559 · ownership.xml · nonDerivative · entry 3

Disman Nancy · CIK 0001621493 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 196,404

F3 · shares: These shares were withheld for payment of the withholding taxes upon the vesting of the restricted stock units granted to the Reporting Person on February 29, 2024.

SEC source: 0001193125-26-089569 · ownership.xml · nonDerivative · entry 3

Whalen James J. · CIK 0001770896 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,936

F3 · shares: These shares were withheld for payment of the withholding taxes upon the vesting of the restricted stock units granted to the Reporting Person on February 29, 2024.

SEC source: 0001193125-26-091470 · ownership.xml · nonDerivative · entry 3

Frankel Jordan · CIK 0001805622 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 284,019

F3 · shares: These shares were withheld for payment of the withholding taxes upon the vesting of the restricted stock units granted to the Reporting Person on February 29, 2024.

SEC source: 0001193125-26-084035 · ownership.xml · nonDerivative · entry 2

Isaacman Jared · CIK 0001805608 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,321,207

F2 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $43.92 to $44.3801, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001193125-26-089563 · ownership.xml · nonDerivative · entry 1

Cruz Christopher Nestor · CIK 0001814178 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 246,785

F1 · shares: Represents an award of restricted stock units, which will vest in three equal annual installments beginning on February 27, 2027.

SEC source: 0001193125-26-089567 · ownership.xml · nonDerivative · entry 2

Lauber David Taylor · CIK 0001805630 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 482,002

F2 · shares: Represents an award of restricted stock units, which will vest in three equal annual installments beginning on February 27, 2027.

SEC source: 0001193125-26-089559 · ownership.xml · nonDerivative · entry 2

Disman Nancy · CIK 0001621493 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 200,670

F2 · shares: Represents an award of restricted stock units, which will vest in three equal annual installments beginning on February 27, 2027.

SEC source: 0001193125-26-089569 · ownership.xml · nonDerivative · entry 2

Whalen James J. · CIK 0001770896 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,838

F2 · shares: Represents an award of restricted stock units, which will vest in three equal annual installments beginning on February 27, 2027.

SEC source: 0001193125-26-091470 · ownership.xml · nonDerivative · entry 2

Frankel Jordan · CIK 0001805622 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 287,218

F2 · shares: Represents an award of restricted stock units, which will vest in three equal annual installments beginning on February 27, 2027.

SEC source: 0001193125-26-084035 · ownership.xml · nonDerivative · entry 1

Isaacman Jared · CIK 0001805608 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,161,963

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $48.2907 to $48.5263, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001193125-26-089567 · ownership.xml · nonDerivative · entry 1

Lauber David Taylor · CIK 0001805630 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 259,629

F1 · shares: These shares were withheld for payment of the withholding taxes upon the vesting of the restricted stock units granted to the Reporting Person on February 20, 2025.

SEC source: 0001193125-26-089559 · ownership.xml · nonDerivative · entry 1

Disman Nancy · CIK 0001621493 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 124,655

F1 · shares: These shares were withheld for payment of the withholding taxes upon the vesting of the restricted stock units granted to the Reporting Person on February 20, 2025.

SEC source: 0001193125-26-089569 · ownership.xml · nonDerivative · entry 1

Whalen James J. · CIK 0001770896 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,820

F1 · shares: These shares were withheld for payment of the withholding taxes upon the vesting of the restricted stock units granted to the Reporting Person on February 21, 2025.

SEC source: 0001193125-26-091470 · ownership.xml · nonDerivative · entry 1

Frankel Jordan · CIK 0001805622 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 224,704

F1 · shares: These shares were withheld for payment of the withholding taxes upon the vesting of the restricted stock units granted to the Reporting Person on February 20, 2025.

SEC source: 0001193125-26-043738 · ownership.xml · derivative · entry 11

Isaacman Jared · CIK 0001805608 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 423,296

Underlying: Class A Common Stock · 423,296 shares

Expires not disclosed

F8 · derivative.exercise_price: In connection with the transactions described herein, the Reporting Person was issued shares of the Issuer's Series A Mandatory Convertible Preferred Stock (the "Series A") in a private placement. The Series A is convertible at any time prior to the mandatory conversion settlement (as defined in the certificate of designation for the Series A) on a one-for-0.9780 basis at the holder's option. The Series A will mandatorily convert on May 1, 2028.

F8 · price: In connection with the transactions described herein, the Reporting Person was issued shares of the Issuer's Series A Mandatory Convertible Preferred Stock (the "Series A") in a private placement. The Series A is convertible at any time prior to the mandatory conversion settlement (as defined in the certificate of designation for the Series A) on a one-for-0.9780 basis at the holder's option. The Series A will mandatorily convert on May 1, 2028.

F8 · derivative.exercise_date: In connection with the transactions described herein, the Reporting Person was issued shares of the Issuer's Series A Mandatory Convertible Preferred Stock (the "Series A") in a private placement. The Series A is convertible at any time prior to the mandatory conversion settlement (as defined in the certificate of designation for the Series A) on a one-for-0.9780 basis at the holder's option. The Series A will mandatorily convert on May 1, 2028.

F8 · derivative.expiration_date: In connection with the transactions described herein, the Reporting Person was issued shares of the Issuer's Series A Mandatory Convertible Preferred Stock (the "Series A") in a private placement. The Series A is convertible at any time prior to the mandatory conversion settlement (as defined in the certificate of designation for the Series A) on a one-for-0.9780 basis at the holder's option. The Series A will mandatorily convert on May 1, 2028.

F3 · ownership.nature: Securities held of record by Rook. The Reporting Person is the sole stockholder of Rook and therefore may be deemed to have beneficial ownership with respect to such securities.

SEC source: 0001193125-26-043738 · ownership.xml · derivative · entry 10

Isaacman Jared · CIK 0001805608 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 0 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: On December 18, 2026, the Reporting Person, Mr. Isaacman, was confirmed and appointed as administrator of the National Aeronautics and Space Administration. Subsequently, on February 7, 2026, the Issuer, Shift4 Payments, LLC ("Shift4 LLC") Mr. Isaacman and Rook Holdings Inc., a Delaware corporation ("Rook") wholly owned by Mr. Isaacman, entered into a Transaction Agreement (the "Transaction Agreement"). Pursuant to the Transaction Agreement, among other transactions, the following transactions occurred: (i) Rook effected a redemption and exchange of all of its equity common units ("LLC Interests") in Shift4 LLC on a one-for-one basis for shares of the Issuer's Class A common stock (the "Class A Common Stock") and cancelled the corresponding shares of the Issuer's Class B common stock (the "Class B Common Stock"),

F2 · derivative.exercise_price: (Continued from footnote 1) and (ii) Mr. Isaacman exchanged all of his shares of the Issuer's Class C common stock (the "Class C Common Stock") on a one-for-one basis for shares of Class A Common Stock. As a result, the sole class of stock of the Issuer owned by the Reporting Person is Class A Common Stock.

F7 · derivative.exercise_date: The LLC Interests were generally redeemable at any time for shares of the Class A Common Stock on a one-for-one basis.

F7 · derivative.expiration_date: The LLC Interests were generally redeemable at any time for shares of the Class A Common Stock on a one-for-one basis.

F3 · ownership.nature: Securities held of record by Rook. The Reporting Person is the sole stockholder of Rook and therefore may be deemed to have beneficial ownership with respect to such securities.

SEC source: 0001193125-26-043738 · ownership.xml · nonDerivative · entry 8

Isaacman Jared · CIK 0001805608 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · kind: On December 18, 2026, the Reporting Person, Mr. Isaacman, was confirmed and appointed as administrator of the National Aeronautics and Space Administration. Subsequently, on February 7, 2026, the Issuer, Shift4 Payments, LLC ("Shift4 LLC") Mr. Isaacman and Rook Holdings Inc., a Delaware corporation ("Rook") wholly owned by Mr. Isaacman, entered into a Transaction Agreement (the "Transaction Agreement"). Pursuant to the Transaction Agreement, among other transactions, the following transactions occurred: (i) Rook effected a redemption and exchange of all of its equity common units ("LLC Interests") in Shift4 LLC on a one-for-one basis for shares of the Issuer's Class A common stock (the "Class A Common Stock") and cancelled the corresponding shares of the Issuer's Class B common stock (the "Class B Common Stock"),

F2 · kind: (Continued from footnote 1) and (ii) Mr. Isaacman exchanged all of his shares of the Issuer's Class C common stock (the "Class C Common Stock") on a one-for-one basis for shares of Class A Common Stock. As a result, the sole class of stock of the Issuer owned by the Reporting Person is Class A Common Stock.

F1 · price: On December 18, 2026, the Reporting Person, Mr. Isaacman, was confirmed and appointed as administrator of the National Aeronautics and Space Administration. Subsequently, on February 7, 2026, the Issuer, Shift4 Payments, LLC ("Shift4 LLC") Mr. Isaacman and Rook Holdings Inc., a Delaware corporation ("Rook") wholly owned by Mr. Isaacman, entered into a Transaction Agreement (the "Transaction Agreement"). Pursuant to the Transaction Agreement, among other transactions, the following transactions occurred: (i) Rook effected a redemption and exchange of all of its equity common units ("LLC Interests") in Shift4 LLC on a one-for-one basis for shares of the Issuer's Class A common stock (the "Class A Common Stock") and cancelled the corresponding shares of the Issuer's Class B common stock (the "Class B Common Stock"),

F2 · price: (Continued from footnote 1) and (ii) Mr. Isaacman exchanged all of his shares of the Issuer's Class C common stock (the "Class C Common Stock") on a one-for-one basis for shares of Class A Common Stock. As a result, the sole class of stock of the Issuer owned by the Reporting Person is Class A Common Stock.

F6 · ownership.nature: Held by Jared Isaacman C/F Liv A. Isaacman UTMA. The reporting person disclaims beneficial ownership of these shares.

SEC source: 0001193125-26-043738 · ownership.xml · nonDerivative · entry 7

Isaacman Jared · CIK 0001805608 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 85,911

F1 · kind: On December 18, 2026, the Reporting Person, Mr. Isaacman, was confirmed and appointed as administrator of the National Aeronautics and Space Administration. Subsequently, on February 7, 2026, the Issuer, Shift4 Payments, LLC ("Shift4 LLC") Mr. Isaacman and Rook Holdings Inc., a Delaware corporation ("Rook") wholly owned by Mr. Isaacman, entered into a Transaction Agreement (the "Transaction Agreement"). Pursuant to the Transaction Agreement, among other transactions, the following transactions occurred: (i) Rook effected a redemption and exchange of all of its equity common units ("LLC Interests") in Shift4 LLC on a one-for-one basis for shares of the Issuer's Class A common stock (the "Class A Common Stock") and cancelled the corresponding shares of the Issuer's Class B common stock (the "Class B Common Stock"),

F2 · kind: (Continued from footnote 1) and (ii) Mr. Isaacman exchanged all of his shares of the Issuer's Class C common stock (the "Class C Common Stock") on a one-for-one basis for shares of Class A Common Stock. As a result, the sole class of stock of the Issuer owned by the Reporting Person is Class A Common Stock.

F1 · price: On December 18, 2026, the Reporting Person, Mr. Isaacman, was confirmed and appointed as administrator of the National Aeronautics and Space Administration. Subsequently, on February 7, 2026, the Issuer, Shift4 Payments, LLC ("Shift4 LLC") Mr. Isaacman and Rook Holdings Inc., a Delaware corporation ("Rook") wholly owned by Mr. Isaacman, entered into a Transaction Agreement (the "Transaction Agreement"). Pursuant to the Transaction Agreement, among other transactions, the following transactions occurred: (i) Rook effected a redemption and exchange of all of its equity common units ("LLC Interests") in Shift4 LLC on a one-for-one basis for shares of the Issuer's Class A common stock (the "Class A Common Stock") and cancelled the corresponding shares of the Issuer's Class B common stock (the "Class B Common Stock"),

F2 · price: (Continued from footnote 1) and (ii) Mr. Isaacman exchanged all of his shares of the Issuer's Class C common stock (the "Class C Common Stock") on a one-for-one basis for shares of Class A Common Stock. As a result, the sole class of stock of the Issuer owned by the Reporting Person is Class A Common Stock.

F6 · ownership.nature: Held by Jared Isaacman C/F Liv A. Isaacman UTMA. The reporting person disclaims beneficial ownership of these shares.

SEC source: 0001193125-26-043738 · ownership.xml · nonDerivative · entry 6

Isaacman Jared · CIK 0001805608 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · kind: On December 18, 2026, the Reporting Person, Mr. Isaacman, was confirmed and appointed as administrator of the National Aeronautics and Space Administration. Subsequently, on February 7, 2026, the Issuer, Shift4 Payments, LLC ("Shift4 LLC") Mr. Isaacman and Rook Holdings Inc., a Delaware corporation ("Rook") wholly owned by Mr. Isaacman, entered into a Transaction Agreement (the "Transaction Agreement"). Pursuant to the Transaction Agreement, among other transactions, the following transactions occurred: (i) Rook effected a redemption and exchange of all of its equity common units ("LLC Interests") in Shift4 LLC on a one-for-one basis for shares of the Issuer's Class A common stock (the "Class A Common Stock") and cancelled the corresponding shares of the Issuer's Class B common stock (the "Class B Common Stock"),

F2 · kind: (Continued from footnote 1) and (ii) Mr. Isaacman exchanged all of his shares of the Issuer's Class C common stock (the "Class C Common Stock") on a one-for-one basis for shares of Class A Common Stock. As a result, the sole class of stock of the Issuer owned by the Reporting Person is Class A Common Stock.

F1 · price: On December 18, 2026, the Reporting Person, Mr. Isaacman, was confirmed and appointed as administrator of the National Aeronautics and Space Administration. Subsequently, on February 7, 2026, the Issuer, Shift4 Payments, LLC ("Shift4 LLC") Mr. Isaacman and Rook Holdings Inc., a Delaware corporation ("Rook") wholly owned by Mr. Isaacman, entered into a Transaction Agreement (the "Transaction Agreement"). Pursuant to the Transaction Agreement, among other transactions, the following transactions occurred: (i) Rook effected a redemption and exchange of all of its equity common units ("LLC Interests") in Shift4 LLC on a one-for-one basis for shares of the Issuer's Class A common stock (the "Class A Common Stock") and cancelled the corresponding shares of the Issuer's Class B common stock (the "Class B Common Stock"),

F2 · price: (Continued from footnote 1) and (ii) Mr. Isaacman exchanged all of his shares of the Issuer's Class C common stock (the "Class C Common Stock") on a one-for-one basis for shares of Class A Common Stock. As a result, the sole class of stock of the Issuer owned by the Reporting Person is Class A Common Stock.

F5 · ownership.nature: Held by Jared Isaacman C/F Liv A. Isaacman UTMA. The reporting person disclaims beneficial ownership of these shares.

SEC source: 0001193125-26-043738 · ownership.xml · nonDerivative · entry 5

Isaacman Jared · CIK 0001805608 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 85,911

F1 · kind: On December 18, 2026, the Reporting Person, Mr. Isaacman, was confirmed and appointed as administrator of the National Aeronautics and Space Administration. Subsequently, on February 7, 2026, the Issuer, Shift4 Payments, LLC ("Shift4 LLC") Mr. Isaacman and Rook Holdings Inc., a Delaware corporation ("Rook") wholly owned by Mr. Isaacman, entered into a Transaction Agreement (the "Transaction Agreement"). Pursuant to the Transaction Agreement, among other transactions, the following transactions occurred: (i) Rook effected a redemption and exchange of all of its equity common units ("LLC Interests") in Shift4 LLC on a one-for-one basis for shares of the Issuer's Class A common stock (the "Class A Common Stock") and cancelled the corresponding shares of the Issuer's Class B common stock (the "Class B Common Stock"),

F2 · kind: (Continued from footnote 1) and (ii) Mr. Isaacman exchanged all of his shares of the Issuer's Class C common stock (the "Class C Common Stock") on a one-for-one basis for shares of Class A Common Stock. As a result, the sole class of stock of the Issuer owned by the Reporting Person is Class A Common Stock.

F1 · price: On December 18, 2026, the Reporting Person, Mr. Isaacman, was confirmed and appointed as administrator of the National Aeronautics and Space Administration. Subsequently, on February 7, 2026, the Issuer, Shift4 Payments, LLC ("Shift4 LLC") Mr. Isaacman and Rook Holdings Inc., a Delaware corporation ("Rook") wholly owned by Mr. Isaacman, entered into a Transaction Agreement (the "Transaction Agreement"). Pursuant to the Transaction Agreement, among other transactions, the following transactions occurred: (i) Rook effected a redemption and exchange of all of its equity common units ("LLC Interests") in Shift4 LLC on a one-for-one basis for shares of the Issuer's Class A common stock (the "Class A Common Stock") and cancelled the corresponding shares of the Issuer's Class B common stock (the "Class B Common Stock"),

F2 · price: (Continued from footnote 1) and (ii) Mr. Isaacman exchanged all of his shares of the Issuer's Class C common stock (the "Class C Common Stock") on a one-for-one basis for shares of Class A Common Stock. As a result, the sole class of stock of the Issuer owned by the Reporting Person is Class A Common Stock.

F5 · ownership.nature: Held by Jared Isaacman C/F Liv A. Isaacman UTMA. The reporting person disclaims beneficial ownership of these shares.

SEC source: 0001193125-26-043738 · ownership.xml · nonDerivative · entry 4

Isaacman Jared · CIK 0001805608 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · kind: On December 18, 2026, the Reporting Person, Mr. Isaacman, was confirmed and appointed as administrator of the National Aeronautics and Space Administration. Subsequently, on February 7, 2026, the Issuer, Shift4 Payments, LLC ("Shift4 LLC") Mr. Isaacman and Rook Holdings Inc., a Delaware corporation ("Rook") wholly owned by Mr. Isaacman, entered into a Transaction Agreement (the "Transaction Agreement"). Pursuant to the Transaction Agreement, among other transactions, the following transactions occurred: (i) Rook effected a redemption and exchange of all of its equity common units ("LLC Interests") in Shift4 LLC on a one-for-one basis for shares of the Issuer's Class A common stock (the "Class A Common Stock") and cancelled the corresponding shares of the Issuer's Class B common stock (the "Class B Common Stock"),

F2 · kind: (Continued from footnote 1) and (ii) Mr. Isaacman exchanged all of his shares of the Issuer's Class C common stock (the "Class C Common Stock") on a one-for-one basis for shares of Class A Common Stock. As a result, the sole class of stock of the Issuer owned by the Reporting Person is Class A Common Stock.

F4 · kind: Reflects the cancellation for no consideration of Class B Common Stock in connection with the conversion of LLC Interests into Class A Common Stock. The LLC Interests were generally redeemable at any time for shares of the Class A Common Stock on a one-for-one basis.

F1 · price: On December 18, 2026, the Reporting Person, Mr. Isaacman, was confirmed and appointed as administrator of the National Aeronautics and Space Administration. Subsequently, on February 7, 2026, the Issuer, Shift4 Payments, LLC ("Shift4 LLC") Mr. Isaacman and Rook Holdings Inc., a Delaware corporation ("Rook") wholly owned by Mr. Isaacman, entered into a Transaction Agreement (the "Transaction Agreement"). Pursuant to the Transaction Agreement, among other transactions, the following transactions occurred: (i) Rook effected a redemption and exchange of all of its equity common units ("LLC Interests") in Shift4 LLC on a one-for-one basis for shares of the Issuer's Class A common stock (the "Class A Common Stock") and cancelled the corresponding shares of the Issuer's Class B common stock (the "Class B Common Stock"),

F2 · price: (Continued from footnote 1) and (ii) Mr. Isaacman exchanged all of his shares of the Issuer's Class C common stock (the "Class C Common Stock") on a one-for-one basis for shares of Class A Common Stock. As a result, the sole class of stock of the Issuer owned by the Reporting Person is Class A Common Stock.

F3 · ownership.nature: Securities held of record by Rook. The Reporting Person is the sole stockholder of Rook and therefore may be deemed to have beneficial ownership with respect to such securities.

SEC source: 0001193125-26-043738 · ownership.xml · nonDerivative · entry 3

Isaacman Jared · CIK 0001805608 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 20,752,515

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On December 18, 2026, the Reporting Person, Mr. Isaacman, was confirmed and appointed as administrator of the National Aeronautics and Space Administration. Subsequently, on February 7, 2026, the Issuer, Shift4 Payments, LLC ("Shift4 LLC") Mr. Isaacman and Rook Holdings Inc., a Delaware corporation ("Rook") wholly owned by Mr. Isaacman, entered into a Transaction Agreement (the "Transaction Agreement"). Pursuant to the Transaction Agreement, among other transactions, the following transactions occurred: (i) Rook effected a redemption and exchange of all of its equity common units ("LLC Interests") in Shift4 LLC on a one-for-one basis for shares of the Issuer's Class A common stock (the "Class A Common Stock") and cancelled the corresponding shares of the Issuer's Class B common stock (the "Class B Common Stock"),

F2 · kind: (Continued from footnote 1) and (ii) Mr. Isaacman exchanged all of his shares of the Issuer's Class C common stock (the "Class C Common Stock") on a one-for-one basis for shares of Class A Common Stock. As a result, the sole class of stock of the Issuer owned by the Reporting Person is Class A Common Stock.

F4 · kind: Reflects the cancellation for no consideration of Class B Common Stock in connection with the conversion of LLC Interests into Class A Common Stock. The LLC Interests were generally redeemable at any time for shares of the Class A Common Stock on a one-for-one basis.

F1 · price: On December 18, 2026, the Reporting Person, Mr. Isaacman, was confirmed and appointed as administrator of the National Aeronautics and Space Administration. Subsequently, on February 7, 2026, the Issuer, Shift4 Payments, LLC ("Shift4 LLC") Mr. Isaacman and Rook Holdings Inc., a Delaware corporation ("Rook") wholly owned by Mr. Isaacman, entered into a Transaction Agreement (the "Transaction Agreement"). Pursuant to the Transaction Agreement, among other transactions, the following transactions occurred: (i) Rook effected a redemption and exchange of all of its equity common units ("LLC Interests") in Shift4 LLC on a one-for-one basis for shares of the Issuer's Class A common stock (the "Class A Common Stock") and cancelled the corresponding shares of the Issuer's Class B common stock (the "Class B Common Stock"),

F2 · price: (Continued from footnote 1) and (ii) Mr. Isaacman exchanged all of his shares of the Issuer's Class C common stock (the "Class C Common Stock") on a one-for-one basis for shares of Class A Common Stock. As a result, the sole class of stock of the Issuer owned by the Reporting Person is Class A Common Stock.

F3 · ownership.nature: Securities held of record by Rook. The Reporting Person is the sole stockholder of Rook and therefore may be deemed to have beneficial ownership with respect to such securities.

SEC source: 0001193125-26-043738 · ownership.xml · nonDerivative · entry 2

Isaacman Jared · CIK 0001805608 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · kind: On December 18, 2026, the Reporting Person, Mr. Isaacman, was confirmed and appointed as administrator of the National Aeronautics and Space Administration. Subsequently, on February 7, 2026, the Issuer, Shift4 Payments, LLC ("Shift4 LLC") Mr. Isaacman and Rook Holdings Inc., a Delaware corporation ("Rook") wholly owned by Mr. Isaacman, entered into a Transaction Agreement (the "Transaction Agreement"). Pursuant to the Transaction Agreement, among other transactions, the following transactions occurred: (i) Rook effected a redemption and exchange of all of its equity common units ("LLC Interests") in Shift4 LLC on a one-for-one basis for shares of the Issuer's Class A common stock (the "Class A Common Stock") and cancelled the corresponding shares of the Issuer's Class B common stock (the "Class B Common Stock"),

F2 · kind: (Continued from footnote 1) and (ii) Mr. Isaacman exchanged all of his shares of the Issuer's Class C common stock (the "Class C Common Stock") on a one-for-one basis for shares of Class A Common Stock. As a result, the sole class of stock of the Issuer owned by the Reporting Person is Class A Common Stock.

F1 · price: On December 18, 2026, the Reporting Person, Mr. Isaacman, was confirmed and appointed as administrator of the National Aeronautics and Space Administration. Subsequently, on February 7, 2026, the Issuer, Shift4 Payments, LLC ("Shift4 LLC") Mr. Isaacman and Rook Holdings Inc., a Delaware corporation ("Rook") wholly owned by Mr. Isaacman, entered into a Transaction Agreement (the "Transaction Agreement"). Pursuant to the Transaction Agreement, among other transactions, the following transactions occurred: (i) Rook effected a redemption and exchange of all of its equity common units ("LLC Interests") in Shift4 LLC on a one-for-one basis for shares of the Issuer's Class A common stock (the "Class A Common Stock") and cancelled the corresponding shares of the Issuer's Class B common stock (the "Class B Common Stock"),

F2 · price: (Continued from footnote 1) and (ii) Mr. Isaacman exchanged all of his shares of the Issuer's Class C common stock (the "Class C Common Stock") on a one-for-one basis for shares of Class A Common Stock. As a result, the sole class of stock of the Issuer owned by the Reporting Person is Class A Common Stock.

F3 · ownership.nature: Securities held of record by Rook. The Reporting Person is the sole stockholder of Rook and therefore may be deemed to have beneficial ownership with respect to such securities.

SEC source: 0001193125-26-043738 · ownership.xml · nonDerivative · entry 1

Isaacman Jared · CIK 0001805608 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 951,487

F1 · kind: On December 18, 2026, the Reporting Person, Mr. Isaacman, was confirmed and appointed as administrator of the National Aeronautics and Space Administration. Subsequently, on February 7, 2026, the Issuer, Shift4 Payments, LLC ("Shift4 LLC") Mr. Isaacman and Rook Holdings Inc., a Delaware corporation ("Rook") wholly owned by Mr. Isaacman, entered into a Transaction Agreement (the "Transaction Agreement"). Pursuant to the Transaction Agreement, among other transactions, the following transactions occurred: (i) Rook effected a redemption and exchange of all of its equity common units ("LLC Interests") in Shift4 LLC on a one-for-one basis for shares of the Issuer's Class A common stock (the "Class A Common Stock") and cancelled the corresponding shares of the Issuer's Class B common stock (the "Class B Common Stock"),

F2 · kind: (Continued from footnote 1) and (ii) Mr. Isaacman exchanged all of his shares of the Issuer's Class C common stock (the "Class C Common Stock") on a one-for-one basis for shares of Class A Common Stock. As a result, the sole class of stock of the Issuer owned by the Reporting Person is Class A Common Stock.

F1 · price: On December 18, 2026, the Reporting Person, Mr. Isaacman, was confirmed and appointed as administrator of the National Aeronautics and Space Administration. Subsequently, on February 7, 2026, the Issuer, Shift4 Payments, LLC ("Shift4 LLC") Mr. Isaacman and Rook Holdings Inc., a Delaware corporation ("Rook") wholly owned by Mr. Isaacman, entered into a Transaction Agreement (the "Transaction Agreement"). Pursuant to the Transaction Agreement, among other transactions, the following transactions occurred: (i) Rook effected a redemption and exchange of all of its equity common units ("LLC Interests") in Shift4 LLC on a one-for-one basis for shares of the Issuer's Class A common stock (the "Class A Common Stock") and cancelled the corresponding shares of the Issuer's Class B common stock (the "Class B Common Stock"),

F2 · price: (Continued from footnote 1) and (ii) Mr. Isaacman exchanged all of his shares of the Issuer's Class C common stock (the "Class C Common Stock") on a one-for-one basis for shares of Class A Common Stock. As a result, the sole class of stock of the Issuer owned by the Reporting Person is Class A Common Stock.

F3 · ownership.nature: Securities held of record by Rook. The Reporting Person is the sole stockholder of Rook and therefore may be deemed to have beneficial ownership with respect to such securities.

SEC source: 0001193125-25-319667 · ownership.xml · nonDerivative · entry 2

Lauber David Taylor · CIK 0001805630 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 273,588

F1 · kind: On December 2, 2025, the Reporting Person terminated his Rule 10b5-1 trading plans adopted in November of 2024 and August of 2025, which were scheduled to trade during the Issuer's launch of a notes offering. The sales reported in this Form 4 were executed in the open market so as not to coincide with the Issuer's notes offering. The Reporting Person entered into a new Rule 10b5-1 trading plan on December 12, 2025, for purposes of trading from March 16, 2026 to March 16, 2027.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.45 to $69.95, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001193125-25-319667 · ownership.xml · nonDerivative · entry 1

Lauber David Taylor · CIK 0001805630 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 274,907

F1 · kind: On December 2, 2025, the Reporting Person terminated his Rule 10b5-1 trading plans adopted in November of 2024 and August of 2025, which were scheduled to trade during the Issuer's launch of a notes offering. The sales reported in this Form 4 were executed in the open market so as not to coincide with the Issuer's notes offering. The Reporting Person entered into a new Rule 10b5-1 trading plan on December 12, 2025, for purposes of trading from March 16, 2026 to March 16, 2027.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.41 to $69.40, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001193125-25-319668 · ownership.xml · nonDerivative · entry 1

Disman Nancy · CIK 0001621493 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 130,420

F1 · shares: Represents sales pursuant to a Rule 10b5-1 trading plan.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.00 to $70.00, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001193125-25-314727 · ownership.xml · nonDerivative · entry 3

Isaacman Jared · CIK 0001805608 · Director · Executive Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,024,970

F4 · shares: These shares were withheld for payment of the withholding taxes upon the immediate vesting of the restricted stock units granted to the Reporting Person on December 8, 2025.

SEC source: 0001193125-25-314727 · ownership.xml · nonDerivative · entry 2

Isaacman Jared · CIK 0001805608 · Director · Executive Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,079,107

F3 · kind: Represents an award of restricted stock units, which vested in full on December 8, 2025.

SEC source: 0001193125-25-314727 · ownership.xml · nonDerivative · entry 1

Isaacman Jared · CIK 0001805608 · Director · Executive Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 951,487

F1 · kind: The transaction reported shows the Reporting Person's charitable gift of 130,257 shares of the Issuer's Class A common stock to Renaissance Charitable Foundation, Inc. (and the simultaneous cancellation of the same number of shares of the Issuer's Class C Common stock).

F2 · ownership.nature: Securities held of record by Rook Holdings, Inc. ("Rook"). The Reporting Person, Mr. Isaacman, is the sole stockholder of Rook and therefore may be deemed to have beneficial ownership with respect to such securities.

SEC source: 0001193125-25-282896 · ownership.xml · nonDerivative · entry 1

Whalen James J. · CIK 0001770896 · See Remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 54,736

SEC source: 0001193125-25-206152 · ownership.xml · nonDerivative · entry 1

Disman Nancy · CIK 0001621493 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 135,420

F1 · shares: Represents sales pursuant to a Rule 10b5-1 trading plan.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $86.79 to $87.78, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.