TREFLER ALAN

SEC source: 0001032235-26-000012 · wk-form4_1789595035.xml · nonDerivative · entry 3

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Alan N. Trefler Irrevocable Non-GST Trust of 2022

Disclosed balance after: 16,275,828

F1 · shares: Transfers of shares from the Alan N. Trefler Grantor Retained Annuity Trust I of 2024 and the Alan N. Trefler Grantor Retained Annuity Trust II of 2024 to the Alan N. Trefler Irrevocable Non-GST Trust of 2022.

SEC source: 0001032235-26-000012 · wk-form4_1789595035.xml · nonDerivative · entry 2

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Alan N. Trefler Grantor Retained Annuity Trust I of 2024

Disclosed balance after: 0

F1 · shares: Transfers of shares from the Alan N. Trefler Grantor Retained Annuity Trust I of 2024 and the Alan N. Trefler Grantor Retained Annuity Trust II of 2024 to the Alan N. Trefler Irrevocable Non-GST Trust of 2022.

F2 · balance_after: Reflects exempt transfers between the reporting person and the trust described in the Nature of Indirect Beneficial Ownership column.

SEC source: 0001032235-26-000012 · wk-form4_1789595035.xml · nonDerivative · entry 1

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Alan N. Trefler Grantor Retained Annuity Trust II of 2024

Disclosed balance after: 0

F1 · shares: Transfers of shares from the Alan N. Trefler Grantor Retained Annuity Trust I of 2024 and the Alan N. Trefler Grantor Retained Annuity Trust II of 2024 to the Alan N. Trefler Irrevocable Non-GST Trust of 2022.

F2 · balance_after: Reflects exempt transfers between the reporting person and the trust described in the Nature of Indirect Beneficial Ownership column.

SEC source: 0001032235-26-000009 · wk-form4_1772745674.xml · derivative · entry 1

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 455,581

Underlying: Common stock · 455,581 shares

Expires 2036-03-03

F1 · derivative.exercise_date: This stock option vests as to 25% of the shares subject thereto on the Date Exercisable in Table II, with the remaining 75% vesting in equal quarterly amounts over the following three years.

SEC source: 0001032235-26-000007 · wk-form4_1772572064.xml · derivative · entry 8

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common stock · 2,498 shares

Expires 2026-03-02

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 · shares: Each restricted stock unit represents the right to receive, following vesting, one share of common stock.

F2 · derivative.exercise_date: 20% of the restricted stock units vested on the Date Exercisable in Table II, and the remaining 80% vest in equal quarterly installments over the following four years.

SEC source: 0001032235-26-000007 · wk-form4_1772572064.xml · nonDerivative · entry 2

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,321,466

SEC source: 0001032235-26-000007 · wk-form4_1772572064.xml · nonDerivative · entry 1

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,322,280

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: 0001032235-26-000005 · wk-form4_1771536313.xml · nonDerivative · entry 2

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,319,782

F1 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 11, 2025 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F3 · price: Represents the weighted average of sale prices, ranging from $45.00 to $45.26. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001032235-26-000005 · wk-form4_1771536313.xml · nonDerivative · entry 1

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,337,712

F1 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 11, 2025 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F2 · price: Represents the weighted average of sale prices, ranging from $45.00 to $45.37. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001032235-26-000002 · wk-form4_1769203299.xml · nonDerivative · entry 7

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,349,454

F1 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F7 · price: Represents the weighted average of sale prices, ranging from $49.17 to $50.11. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001032235-26-000002 · wk-form4_1769203299.xml · nonDerivative · entry 6

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,386,760

F1 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F6 · price: Represents the weighted average of sale prices, ranging from $48.14 to $49.10. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001032235-26-000002 · wk-form4_1769203299.xml · nonDerivative · entry 5

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,394,454

F1 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001032235-26-000002 · wk-form4_1769203299.xml · nonDerivative · entry 4

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,394,576

F1 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F5 · price: Represents the weighted average of sale prices, ranging from $50.28 to $51.27. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001032235-26-000002 · wk-form4_1769203299.xml · nonDerivative · entry 3

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,406,366

F1 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F4 · price: Represents the weighted average of sale prices, ranging from $49.28 to $50.27. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001032235-26-000002 · wk-form4_1769203299.xml · nonDerivative · entry 2

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,413,538

F1 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F3 · price: Represents the weighted average of sale prices, ranging from $48.28 to $49.27. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001032235-26-000002 · wk-form4_1769203299.xml · nonDerivative · entry 1

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,421,362

F1 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F2 · price: Represents the weighted average of sale prices, ranging from $47.28 to $48.27. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001032235-25-000026 · wk-form4_1766438186.xml · nonDerivative · entry 2

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,439,454

SEC source: 0001032235-25-000024 · wk-form4_1766178551.xml · nonDerivative · entry 5

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,755,654

F1 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F6 · price: Represents the weighted average of sale prices, ranging from $58.73 to $59.00. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001032235-25-000024 · wk-form4_1766178551.xml · nonDerivative · entry 4

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,779,373

F1 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F5 · price: Represents the weighted average of sale prices, ranging from $57.73 to $58.72. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001032235-25-000026 · wk-form4_1766438186.xml · nonDerivative · entry 1

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,754,414

SEC source: 0001032235-25-000024 · wk-form4_1766178551.xml · nonDerivative · entry 3

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,800,654

F1 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F4 · price: Represents the weighted average of sale prices, ranging from $59.27 to $59.49. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001032235-25-000024 · wk-form4_1766178551.xml · nonDerivative · entry 2

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,802,707

F1 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F3 · price: Represents the weighted average of sale prices, ranging from $58.27 to $59.26. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001032235-25-000024 · wk-form4_1766178551.xml · nonDerivative · entry 1

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,817,300

F1 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F2 · price: Represents the weighted average of sale prices, ranging from $57.27 to $58.26. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001032235-25-000022 · wk-form4_1764797545.xml · derivative · entry 7

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,498

Underlying: Common stock · 2,498 shares

Expires 2026-03-02

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 · shares: Each restricted stock unit represents the right to receive, following vesting, one share of the issuer's common stock.

F2 · derivative.exercise_date: 20% of the restricted stock units vested on the Date Exercisable in Table II, and the remaining 80% vest in equal quarterly installments over the following four years.

SEC source: 0001032235-25-000022 · wk-form4_1764797545.xml · nonDerivative · entry 2

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,845,654

SEC source: 0001032235-25-000022 · wk-form4_1764797545.xml · nonDerivative · entry 1

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,846,862

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: 0001032235-25-000018 · wk-form4_1762554364.xml · nonDerivative · entry 8

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,844,364

F1 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F5 · price: Represents the weighted average of sale prices, ranging from $58.91 to $59.90. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001032235-25-000018 · wk-form4_1762554364.xml · nonDerivative · entry 7

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,862,439

F1 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F4 · price: Represents the weighted average of sale prices, ranging from $57.91 to $58.90. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001032235-25-000018 · wk-form4_1762554364.xml · nonDerivative · entry 6

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,889,364

F1 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F3 · price: Represents the weighted average of sale prices, ranging from $60.53 to $61.52. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001032235-25-000018 · wk-form4_1762554364.xml · nonDerivative · entry 5

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,893,395

F1 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F2 · price: Represents the weighted average of sale prices, ranging from $59.53 to $60.52. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001032235-25-000014 · wk-form4_1761254131.xml · nonDerivative · entry 13

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,934,364

F1 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F10 · price: Represents the weighted average of sale prices, ranging from $66.23 to $66.27. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001032235-25-000014 · wk-form4_1761254131.xml · nonDerivative · entry 12

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,934,422

F1 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F9 · price: Represents the weighted average of sale prices, ranging from $65.18 to $66.04. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001032235-25-000014 · wk-form4_1761254131.xml · nonDerivative · entry 11

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,944,162

F1 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F8 · price: Represents the weighted average of sale prices, ranging from $64.17 to $65.17. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001032235-25-000014 · wk-form4_1761254131.xml · nonDerivative · entry 10

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,961,986

F1 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F7 · price: Represents the weighted average of sale prices, ranging from $63.16 to $64.16. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001032235-25-000014 · wk-form4_1761254131.xml · nonDerivative · entry 9

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,967,622

F1 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F6 · price: Represents the weighted average of sale prices, ranging from $62.16 to $63.16. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001032235-25-000014 · wk-form4_1761254131.xml · nonDerivative · entry 8

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,979,364

F1 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F5 · price: Represents the weighted average of sale prices, ranging from $57.25 to $57.62. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001032235-25-000014 · wk-form4_1761254131.xml · nonDerivative · entry 7

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,994,326

F1 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F4 · price: Represents the weighted average of sale prices, ranging from $56.24 to $57.24 . The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001032235-25-000014 · wk-form4_1761254131.xml · nonDerivative · entry 6

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 45,014,700

F1 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F3 · price: Represents the weighted average of sale prices, ranging from $55.23 to $56.22. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001032235-25-000014 · wk-form4_1761254131.xml · nonDerivative · entry 5

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 45,019,858

F1 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F2 · price: Represents the weighted average of sale prices, ranging from $54.18 to $55.15. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001032235-25-000012 · wk-form4_1758314094.xml · nonDerivative · entry 6

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 45,024,364

F1 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F3 · price: Represents the weighted average of sale prices, ranging from $58.65 to $58.90. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001032235-25-000012 · wk-form4_1758314094.xml · nonDerivative · entry 5

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 45,028,418

F1 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F2 · price: Represents the weighted average of sale prices, ranging from $57.65 to $58.64. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001032235-25-000010 · wk-form4_1758140489.xml · nonDerivative · entry 9

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 45,069,364

F4 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F7 · price: Represents the weighted average of sale prices, ranging from $58.79 to $59.25. The reporting person has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

F6 · balance_after: Reflects exempt transfers between the reporting person and the grantor retained annuity trusts described on this Form 4.

SEC source: 0001032235-25-000010 · wk-form4_1758140489.xml · nonDerivative · entry 8

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 45,071,692

F4 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F5 · price: Represents the weighted average of sale prices, ranging from $57.79 to $58.78. The reporting person has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

F6 · balance_after: Reflects exempt transfers between the reporting person and the grantor retained annuity trusts described on this Form 4.

SEC source: 0001032235-25-000010 · wk-form4_1758140489.xml · nonDerivative · entry 7

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · Alan N. Trefler Irrevocable Non-GST Trust of 2022

Disclosed balance after: 10,876,525

F3 · shares: Transfers of shares from the Alan N. Trefler Grantor Retained Annuity Trust I of 2023 and the Alan N. Trefler Grantor Retained Annuity Trust II of 2023 to the Alan N. Trefler Irrevocable Non-GST Trust of 2022.

SEC source: 0001032235-25-000010 · wk-form4_1758140489.xml · nonDerivative · entry 6

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · Alan N. Trefler Grantor Retained Annuity Trust II of 2023

Disclosed balance after: 0

F3 · shares: Transfers of shares from the Alan N. Trefler Grantor Retained Annuity Trust I of 2023 and the Alan N. Trefler Grantor Retained Annuity Trust II of 2023 to the Alan N. Trefler Irrevocable Non-GST Trust of 2022.

F1 · balance_after: Reflects exempt transfers between the reporting person and the trust described in the Nature of Indirect Beneficial Ownership column .

SEC source: 0001032235-25-000010 · wk-form4_1758140489.xml · nonDerivative · entry 5

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · Alan N. Trefler Grantor Retained Annuity Trust I of 2023

Disclosed balance after: 0

F3 · shares: Transfers of shares from the Alan N. Trefler Grantor Retained Annuity Trust I of 2023 and the Alan N. Trefler Grantor Retained Annuity Trust II of 2023 to the Alan N. Trefler Irrevocable Non-GST Trust of 2022.

F1 · balance_after: Reflects exempt transfers between the reporting person and the trust described in the Nature of Indirect Beneficial Ownership column .

SEC source: 0001032235-25-000010 · wk-form4_1758140489.xml · nonDerivative · entry 4

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · The Trefler 2025 Trust

Disclosed balance after: 2,071,585

F2 · shares: Transfer of shares from the Alan N. Trefler Irrevocable Non-GST Trust of 2022 to The Trefler 2025 Trust.

SEC source: 0001032235-25-000010 · wk-form4_1758140489.xml · nonDerivative · entry 3

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · Alan N. Trefler Irrevocable Non-GST Trust of 2022

Disclosed balance after: 1,139,421

F2 · shares: Transfer of shares from the Alan N. Trefler Irrevocable Non-GST Trust of 2022 to The Trefler 2025 Trust.

SEC source: 0001032235-25-000008 · wk-form4_1757019651.xml · derivative · entry 8

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,996

Underlying: Common stock · 2,496 shares

Expires 2026-03-02

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 · security: Each restricted stock unit represents the right to receive, following vesting, one share of the issuer's common stock.

F1 · shares: Represents a 5% vesting on September 2, 2025. The original grant was 24,976 restricted stock units, with 20% vesting on March 2, 2022, and the remaining 80% vesting in equal quarterly installments over the remaining four years.

F3 · balance_after: All share amounts in this Form 4 have been restated to reflect a 2-for-1 forward stock split of Pegasystems Inc.'s common stock effectuated on June 20, 2025.

SEC source: 0001032235-25-000008 · wk-form4_1757019651.xml · nonDerivative · entry 7

TREFLER ALAN · CIK 0001032235 · Director · C.E.O. & Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,918,163