VST

SEC source: 0001268406-26-000002 · wk-form4_1772152717.xml · nonDerivative · entry 2

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 492,954

F2 · kind: This transaction represents the withholding by the Issuer of shares to pay taxes in connection with the vesting of performance-based restricted stock units. The timing and amount of the transaction were determined by the terms of the applicable performance-based restricted stock unit award and were not within the control of the Reporting Person.

SEC source: 0001268406-26-000002 · wk-form4_1772152717.xml · nonDerivative · entry 1

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 618,002

F1 · kind: Represents performance-based restricted stock units for which the applicable performance criteria for the three-year period ended December 31, 2025 was certified by the Issuer's Social Responsibility and Compensation Committee of the Board of Directors as of February 18, 2026.

SEC source: 0001703633-26-000002 · wk-form4_1772152638.xml · nonDerivative · entry 3

Kirby Carrie Lee · CIK 0001703633 · EVP and Chief Admin. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 262,819

F3 · kind: This transaction represents the withholding by the Issuer of shares to pay taxes in connection with the vesting of restricted stock units. The timing and amount of the transaction were determined by the terms of the applicable restricted stock unit award and were not within the control of the Reporting Person.

SEC source: 0001703633-26-000002 · wk-form4_1772152638.xml · nonDerivative · entry 2

Kirby Carrie Lee · CIK 0001703633 · EVP and Chief Admin. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 267,083

F2 · kind: This transaction represents the withholding by the Issuer of shares to pay taxes in connection with the vesting of performance-based restricted stock units. The timing and amount of the transaction were determined by the terms of the applicable performance-based restricted stock unit award and were not within the control of the Reporting Person.

SEC source: 0001703633-26-000002 · wk-form4_1772152638.xml · nonDerivative · entry 1

Kirby Carrie Lee · CIK 0001703633 · EVP and Chief Admin. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 297,501

F1 · kind: Represents performance-based restricted stock units for which the applicable performance criteria for the three-year period ended December 31, 2025 was certified by the Issuer's Social Responsibility and Compensation Committee of the Board of Directors as of February 18, 2026.

SEC source: 0001728553-26-000002 · wk-form4_1772152571.xml · nonDerivative · entry 3

HUDSON SCOTT A · CIK 0001728553 · EVP & President Vistra Retail

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 372,313

F3 · kind: This transaction represents the withholding by the Issuer of shares to pay taxes in connection with the vesting of restricted stock units. The timing and amount of the transaction were determined by the terms of the applicable restricted stock unit award and were not within the control of the Reporting Person.

SEC source: 0001728553-26-000002 · wk-form4_1772152571.xml · nonDerivative · entry 2

HUDSON SCOTT A · CIK 0001728553 · EVP & President Vistra Retail

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 378,609

F2 · kind: This transaction represents the withholding by the Issuer of shares to pay taxes in connection with the vesting of performance-based restricted stock units. The timing and amount of the transaction were determined by the terms of the applicable performance-based restricted stock unit award and were not within the control of the Reporting Person.

SEC source: 0001728553-26-000002 · wk-form4_1772152571.xml · nonDerivative · entry 1

HUDSON SCOTT A · CIK 0001728553 · EVP & President Vistra Retail

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 423,932

F1 · kind: Represents performance-based restricted stock units for which the applicable performance criteria for the three-year period ended December 31, 2025 was certified by the Issuer's Social Responsibility and Compensation Committee of the Board of Directors as of February 18, 2026.

SEC source: 0001268406-25-000045 · wk-form4_1765852052.xml · derivative · entry 6

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1

Underlying: Common Stock · 27,749 shares

Expires 2026-10-11

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: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025. The transactions executed on December 12, 2025 reported hereunder are the final transactions to be executed under the Rule 10b5-1 trading plan.

F3 · derivative.exercise_date: Options vested in four equal annual installments beginning October 3, 2017.

SEC source: 0001268406-25-000045 · wk-form4_1765852052.xml · nonDerivative · entry 4

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 298,002

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: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025. The transactions executed on December 12, 2025 reported hereunder are the final transactions to be executed under the Rule 10b5-1 trading plan.

SEC source: 0001268406-25-000047 · wk-form4a_1765900410.xml · derivative · entry 9

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1

Underlying: Common Stock · 27,749 shares

Expires 2026-10-11

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: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025. The transactions executed on December 12, 2025 reported hereunder are the final transactions to be executed under the Rule 10b5-1 trading plan.

F3 · derivative.exercise_date: Options vested in four equal annual installments beginning October 3, 2017.

SEC source: 0001268406-25-000047 · wk-form4a_1765900410.xml · nonDerivative · entry 4

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 298,002

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: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025. The transactions executed on December 12, 2025 reported hereunder are the final transactions to be executed under the Rule 10b5-1 trading plan.

SEC source: 0001268406-25-000045 · wk-form4_1765852052.xml · derivative · entry 5

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 27,750

Underlying: Common Stock · 22,251 shares

Expires 2026-10-11

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: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025. The transactions executed on December 12, 2025 reported hereunder are the final transactions to be executed under the Rule 10b5-1 trading plan.

F3 · derivative.exercise_date: Options vested in four equal annual installments beginning October 3, 2017.

SEC source: 0001268406-25-000045 · wk-form4_1765852052.xml · nonDerivative · entry 3

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 270,253

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025. The transactions executed on December 12, 2025 reported hereunder are the final transactions to be executed under the Rule 10b5-1 trading plan.

SEC source: 0001268406-25-000045 · wk-form4_1765852052.xml · nonDerivative · entry 2

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 297,998

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025. The transactions executed on December 12, 2025 reported hereunder are the final transactions to be executed under the Rule 10b5-1 trading plan.

F2 · shares: Includes an aggregate of approximately (i) 4,158 shares sold for the cashless exercise of stock options; and (ii) 18,043 shares sold to pay taxes in connection with the exercise of stock options.

SEC source: 0001268406-25-000045 · wk-form4_1765852052.xml · nonDerivative · entry 1

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 320,249

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: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025. The transactions executed on December 12, 2025 reported hereunder are the final transactions to be executed under the Rule 10b5-1 trading plan.

SEC source: 0001268406-25-000047 · wk-form4a_1765900410.xml · derivative · entry 8

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 27,750

Underlying: Common Stock · 22,251 shares

Expires 2026-10-11

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: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025. The transactions executed on December 12, 2025 reported hereunder are the final transactions to be executed under the Rule 10b5-1 trading plan.

F3 · derivative.exercise_date: Options vested in four equal annual installments beginning October 3, 2017.

SEC source: 0001268406-25-000047 · wk-form4a_1765900410.xml · nonDerivative · entry 3

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 270,253

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025. The transactions executed on December 12, 2025 reported hereunder are the final transactions to be executed under the Rule 10b5-1 trading plan.

SEC source: 0001268406-25-000047 · wk-form4a_1765900410.xml · nonDerivative · entry 2

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 297,998

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025. The transactions executed on December 12, 2025 reported hereunder are the final transactions to be executed under the Rule 10b5-1 trading plan.

F2 · shares: Includes an aggregate of approximately (i) 4,158 shares sold for the cashless exercise of stock options; and (ii) 18,043 shares sold to pay taxes in connection with the exercise of stock options.

SEC source: 0001268406-25-000047 · wk-form4a_1765900410.xml · nonDerivative · entry 1

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 320,249

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: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025. The transactions executed on December 12, 2025 reported hereunder are the final transactions to be executed under the Rule 10b5-1 trading plan.

SEC source: 0001703634-25-000005 · wk-form4_1764722999.xml · nonDerivative · entry 1

Moore Stephanie Zapata · CIK 0001703634 · EVP and General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,252

SEC source: 0001703634-25-000003 · wk-form4_1764200760.xml · nonDerivative · entry 1

Moore Stephanie Zapata · CIK 0001703634 · EVP and General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 79,854

SEC source: 0001703633-25-000005 · wk-form4_1764033287.xml · nonDerivative · entry 1

Kirby Carrie Lee · CIK 0001703633 · EVP and Chief Admin. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 218,057

F1 · kind: This transaction represents the withholding by the Issuer of shares to pay taxes due under the restricted stock units. The timing and amount of the transaction were determined by the terms of the applicable restricted stock unit award and were not within the control of the Reporting Person.

SEC source: 0001268406-25-000043 · wk-form4_1764033183.xml · nonDerivative · entry 1

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 297,998

F1 · kind: This transaction represents the withholding by the Issuer of shares to pay taxes due under the restricted stock units. The timing and amount of the transaction were determined by the terms of the applicable restricted stock unit award and were not within the control of the Reporting Person.

SEC source: 0001728553-25-000003 · wk-form4_1763517157.xml · derivative · entry 3

HUDSON SCOTT A · CIK 0001728553 · EVP & President Vistra Retail

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 56,000 shares

Expires 2027-04-09

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.

F2 · derivative.exercise_date: The 2018 employee stock options vested 50% on April 09, 2022, and the remaining 50% vested on April 09, 2023.

SEC source: 0001728553-25-000003 · wk-form4_1763517157.xml · nonDerivative · entry 2

HUDSON SCOTT A · CIK 0001728553 · EVP & President Vistra Retail

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 306,600

F1 · price: Represents a weighted-average price. These shares were sold in multiple transactions at prices ranging from $168.84 to $169.41, inclusive. For all transactions reported in this Form 4 utilizing a weighted-average price, the reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

SEC source: 0001728553-25-000003 · wk-form4_1763517157.xml · nonDerivative · entry 1

HUDSON SCOTT A · CIK 0001728553 · EVP & President Vistra Retail

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 362,600

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.

SEC source: 0001703633-25-000003 · wk-form4_1763510785.xml · derivative · entry 3

Kirby Carrie Lee · CIK 0001703633 · EVP and Chief Admin. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 58,275 shares

Expires 2030-02-25

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.

F2 · derivative.exercise_date: Options vested in three annual installments beginning February 25, 2021.

SEC source: 0001703633-25-000003 · wk-form4_1763510785.xml · nonDerivative · entry 2

Kirby Carrie Lee · CIK 0001703633 · EVP and Chief Admin. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 218,239

F1 · price: Represents a weighted-average price. These shares were sold in multiple transactions at prices ranging from $174.62 to $175.19, inclusive. For all transactions reported in this Form 4 utilizing a weighted-average price, the reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

SEC source: 0001703633-25-000003 · wk-form4_1763510785.xml · nonDerivative · entry 1

Kirby Carrie Lee · CIK 0001703633 · EVP and Chief Admin. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 276,514

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.

SEC source: 0001602114-25-000003 · wk-form4_1763419371.xml · nonDerivative · entry 1

Montemayor Margaret · CIK 0001602114 · SVP, Chief Accountant

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,932

F1 · kind: This transaction represents the withholding by the Issuer of shares to pay taxes in connection with the vesting of restricted stock units. The timing and amount of the transaction were determined by the terms of the applicable restricted stock unit award and were not within the control of the Reporting Person.

SEC source: 0001268406-25-000041 · wk-form4_1763083016.xml · derivative · entry 9

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 50,001

Underlying: Common Stock · 28,065 shares

Expires 2026-10-11

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: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025.

F3 · derivative.exercise_date: Options vested in four equal annual installments beginning October 3, 2017.

SEC source: 0001268406-25-000041 · wk-form4_1763083016.xml · nonDerivative · entry 4

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 299,139

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: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025.

SEC source: 0001268406-25-000041 · wk-form4_1763083016.xml · derivative · entry 8

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 78,066

Underlying: Common Stock · 21,935 shares

Expires 2026-10-11

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: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025.

F3 · derivative.exercise_date: Options vested in four equal annual installments beginning October 3, 2017.

SEC source: 0001268406-25-000041 · wk-form4_1763083016.xml · nonDerivative · entry 3

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 271,074

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025.

F2 · price: Includes an aggregate of approximately (i) 3,805 shares sold for the cashless exercise of the stock options; and (ii) 18,130 shares sold to pay taxes in connection with the exercise of the stock options.

SEC source: 0001268406-25-000041 · wk-form4_1763083016.xml · nonDerivative · entry 2

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 293,009

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: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025.

SEC source: 0001268406-25-000041 · wk-form4_1763083016.xml · nonDerivative · entry 1

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 271,074

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025.

SEC source: 0001268406-25-000039 · wk-form4_1761946217.xml · derivative · entry 6

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,641 shares

Expires 2027-04-09

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: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025.

F3 · derivative.exercise_date: Options vested 50% 4 years from the grant date with the remaining 50% vesting 5 years from the grant date.

SEC source: 0001268406-25-000039 · wk-form4_1761946217.xml · nonDerivative · entry 2

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 298,967

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025.

F2 · shares: Includes an aggregate of approximately (i) 990 shares sold for the cashless exercise of the stock options; and (ii) 3,406 shares sold to pay taxes in connection with the exercise of the stock options.

SEC source: 0001268406-25-000039 · wk-form4_1761946217.xml · nonDerivative · entry 1

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 308,608

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: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025.

SEC source: 0001268406-25-000037 · wk-form4_1761779187.xml · derivative · entry 6

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,641

Underlying: Common Stock · 22,011 shares

Expires 2027-04-09

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: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025.

F4 · derivative.exercise_date: Options vested 50% 4 years from the grant date with the remaining 50% vesting 5 years from the grant date.

SEC source: 0001268406-25-000037 · wk-form4_1761779187.xml · nonDerivative · entry 2

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 298,967

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025.

F2 · shares: Includes an aggregate of approximately (i) 2,134 shares sold for the cashless exercise of the stock options; and (ii) 7,826 shares sold to pay taxes in connection with the exercise of the stock options.

F3 · price: Represents a weighted-average price. These shares were sold in multiple transactions at prices ranging from $203.274 to $203.66, inclusive. For all transactions reported in this Form 4 utilizing a weighted-average price, the reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

SEC source: 0001268406-25-000037 · wk-form4_1761779187.xml · nonDerivative · entry 1

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 319,440

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: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025.

SEC source: 0001268406-25-000035 · wk-form4_1761607198.xml · derivative · entry 10

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,652

Underlying: Common Stock · 22,000 shares

Expires 2027-04-09

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: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025.

F6 · derivative.exercise_date: Options vested 50% 4 years from the grant date with the remaining 50% vesting 5 years from the grant date.

SEC source: 0001268406-25-000035 · wk-form4_1761607198.xml · nonDerivative · entry 5

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 297,429

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025.

F4 · shares: Includes an aggregate of approximately (i) 2,211 shares sold for the cashless exercise of the stock options; and (ii) 7,790 shares sold to pay taxes in connection with the exercise of the stock options.

F5 · price: Represents a weighted-average price. These shares were sold in multiple transactions at prices ranging from $196.131 to $196.50, inclusive. For all transactions reported in this Form 4 utilizing a weighted-average price, the reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

SEC source: 0001268406-25-000035 · wk-form4_1761607198.xml · nonDerivative · entry 4

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 317,029

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: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025.

SEC source: 0001268406-25-000035 · wk-form4_1761607198.xml · derivative · entry 9

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 53,652

Underlying: Common Stock · 22,000 shares

Expires 2027-04-09

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: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025.

F6 · derivative.exercise_date: Options vested 50% 4 years from the grant date with the remaining 50% vesting 5 years from the grant date.

SEC source: 0001268406-25-000035 · wk-form4_1761607198.xml · nonDerivative · entry 3

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 295,029

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025.

F3 · shares: Includes an aggregate of approximately (i) 463 shares sold for the cashless exercise of the stock options; and (ii) 1,550 shares sold to pay taxes in connection with the exercise of the stock options.

SEC source: 0001268406-25-000035 · wk-form4_1761607198.xml · nonDerivative · entry 2

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 297,042

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025.

F2 · shares: Includes an aggregate of approximately (i) 1,856 shares sold for the cashless exercise of the stock options; and (ii) 6,198 shares sold to pay taxes in connection with the exercise of the stock options.

SEC source: 0001268406-25-000035 · wk-form4_1761607198.xml · nonDerivative · entry 1

BURKE JAMES A · CIK 0001268406 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 314,642

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: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025.