PEGA

SEC source: 0001855325-25-000006 · wk-form4_1757449374.xml · nonDerivative · entry 3

Akgonul Rifat Kerim · CIK 0001855325 · Chief Product Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 75,819

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, upon vesting, one share of the issuer's common stock.

SEC source: 0001680115-25-000010 · wk-form4_1757448523.xml · derivative · entry 6

STILLWELL KENNETH · CIK 0001680115 · COO, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,326

Underlying: Common stock · 5,220 shares

Expires 2027-03-07

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

F2 · derivative.exercise_date: This restricted stock unit award vested 25% on the Date Exercisable in Table II, with the remaining 75% vesting in equal quarterly amounts over the remaining 3 years.

SEC source: 0001680115-25-000010 · wk-form4_1757448523.xml · nonDerivative · entry 4

STILLWELL KENNETH · CIK 0001680115 · COO, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 127,826

SEC source: 0001680115-25-000010 · wk-form4_1757448523.xml · nonDerivative · entry 3

STILLWELL KENNETH · CIK 0001680115 · COO, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 129,881

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.

SEC source: 0001480560-25-000006 · wk-form4_1757448590.xml · derivative · entry 5

Trefler Leon · CIK 0001480560 · Chief of Clients and Markets

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,012

Underlying: Common stock · 2,200 shares

Expires 2028-03-05

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

F2 · derivative.exercise_date: This restricted stock unit award vested 25% on the Date Exercisable in Table II, with the remaining 75% vesting in equal quarterly amounts over the remaining 3 years.

SEC source: 0001480560-25-000006 · wk-form4_1757448590.xml · nonDerivative · entry 2

Trefler Leon · CIK 0001480560 · Chief of Clients and Markets

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 117,187

SEC source: 0001480560-25-000006 · wk-form4_1757448590.xml · nonDerivative · entry 1

Trefler Leon · CIK 0001480560 · Chief of Clients and Markets

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 118,053

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.

SEC source: 0001353196-25-000008 · wk-form4_1757449649.xml · derivative · entry 7

KOUNINIS EFSTATHIOS A · CIK 0001353196 · SVP of Finance & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,402

Underlying: Common stock · 440 shares

Expires 2028-03-05

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

F2 · derivative.exercise_date: This restricted stock unit award vested 25% on the Date Exercisable in Table II, with the remaining 75% vesting in equal quarterly amounts over the remaining 3 years.

SEC source: 0001353196-25-000008 · wk-form4_1757449649.xml · nonDerivative · entry 3

KOUNINIS EFSTATHIOS A · CIK 0001353196 · SVP of Finance & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 332

SEC source: 0001353196-25-000008 · wk-form4_1757449649.xml · nonDerivative · entry 2

KOUNINIS EFSTATHIOS A · CIK 0001353196 · SVP of Finance & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 567

SEC source: 0001353196-25-000008 · wk-form4_1757449649.xml · nonDerivative · entry 1

KOUNINIS EFSTATHIOS A · CIK 0001353196 · SVP of Finance & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 675

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.

SEC source: 0001915414-25-000006 · wk-form4_1757449487.xml · derivative · entry 5

Higgins John Gerard · CIK 0001915414 · Chief, Client &Partner Success

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,012

Underlying: Common stock · 2,200 shares

Expires 2028-03-05

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

F2 · derivative.exercise_date: This restricted stock unit award vested 25% on the Date Exercisable in Table II, with the remaining 75% vesting in equal quarterly amounts over the remaining 3 years.

SEC source: 0001915414-25-000006 · wk-form4_1757449487.xml · nonDerivative · entry 2

Higgins John Gerard · CIK 0001915414 · Chief, Client &Partner Success

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,140

SEC source: 0001915414-25-000006 · wk-form4_1757449487.xml · nonDerivative · entry 1

Higgins John Gerard · CIK 0001915414 · Chief, Client &Partner Success

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,368

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, upon vesting, one share of the issuer's common stock.

SEC source: 0001855325-25-000006 · wk-form4_1757449374.xml · derivative · entry 7

Akgonul Rifat Kerim · CIK 0001855325 · Chief Product Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 22,012

Underlying: Common stock · 2,200 shares

Expires 2028-03-05

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

F5 · derivative.exercise_date: This restricted stock unit award vested 25% on the Date Exercisable in Table II, with the remaining 75% vesting in equal quarterly amounts over the remaining 3 years.

SEC source: 0001855325-25-000006 · wk-form4_1757449374.xml · nonDerivative · entry 2

Akgonul Rifat Kerim · CIK 0001855325 · Chief Product Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 73,541

SEC source: 0001855325-25-000006 · wk-form4_1757449374.xml · nonDerivative · entry 1

Akgonul Rifat Kerim · CIK 0001855325 · Chief Product Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 74,605

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, upon vesting, one share of the issuer's common stock.

SEC source: 0001680115-25-000010 · wk-form4_1757448523.xml · derivative · entry 5

STILLWELL KENNETH · CIK 0001680115 · COO, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,022

Underlying: Common stock · 4,402 shares

Expires 2028-03-05

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

F2 · derivative.exercise_date: This restricted stock unit award vested 25% on the Date Exercisable in Table II, with the remaining 75% vesting in equal quarterly amounts over the remaining 3 years.

SEC source: 0001680115-25-000010 · wk-form4_1757448523.xml · nonDerivative · entry 2

STILLWELL KENNETH · CIK 0001680115 · COO, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 124,661

SEC source: 0001680115-25-000010 · wk-form4_1757448523.xml · nonDerivative · entry 1

STILLWELL KENNETH · CIK 0001680115 · COO, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 126,394

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.

SEC source: 0001855325-25-000004 · wk-form4_1757018975.xml · nonDerivative · entry 7

Akgonul Rifat Kerim · CIK 0001855325 · Chief Product Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 72,405

F5 · price: Represents the weighted average of sale prices, ranging from $54.08 to $54.10. 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: 0001032235-25-000008 · 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

SEC source: 0001032235-25-000008 · wk-form4_1757019651.xml · nonDerivative · entry 6

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,919,188

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: 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.

SEC source: 0001680115-25-000008 · wk-form4_1757019359.xml · derivative · entry 6

STILLWELL KENNETH · CIK 0001680115 · COO, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,306

Underlying: Common stock · 1,152 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.

F3 · security: Each restricted stock unit represents the right to receive, following vesting, one share of the issuer's common stock.

F2 · shares: Represents a 5% vesting on September 2, 2025. The original grant was 11,527 restricted stock units, with 20% vesting on March 2, 2022, and the remaining 80% vesting in equal quarterly installments over the remaining four years.

F4 · 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: 0001680115-25-000008 · wk-form4_1757019359.xml · nonDerivative · entry 4

STILLWELL KENNETH · CIK 0001680115 · COO, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 121,992

SEC source: 0001680115-25-000008 · wk-form4_1757019359.xml · nonDerivative · entry 3

STILLWELL KENNETH · CIK 0001680115 · COO, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 122,446

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 · shares: Represents a 5% vesting on September 2, 2025. The original grant was 11,527 restricted stock units, with 20% vesting on March 2, 2022, and the remaining 80% vesting in equal quarterly installments over the remaining four years.

SEC source: 0001480560-25-000004 · wk-form4_1757019508.xml · derivative · entry 6

Trefler Leon · CIK 0001480560 · Chief of Clients and Markets

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 768

Underlying: Common stock · 384 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.

F4 · security: Each restricted stock unit represents the right to receive, following vesting, one share of the issuer's common stock.

F2 · shares: Represents a 5% vesting on September 2, 2025. The original grant was 3,843 restricted stock units, with 20% vesting on March 2, 2022, with the remaining 80% vesting in equal quarterly installments over the remaining four years.

F5 · 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: 0001480560-25-000004 · wk-form4_1757019508.xml · nonDerivative · entry 4

Trefler Leon · CIK 0001480560 · Chief of Clients and Markets

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 115,853.994

F3 · balance_after: Beneficial ownership totals reflect Pegasystems Inc.'s 2-for-1 forward stock split effectuated on June 20, 2025, and a correction to the number of shares directly held, which was previously incorrectly reported as lower (on a pre-split basis) due to an administrative error.

SEC source: 0001480560-25-000004 · wk-form4_1757019508.xml · nonDerivative · entry 3

Trefler Leon · CIK 0001480560 · Chief of Clients and Markets

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 116,005.994

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 · shares: Represents a 5% vesting on September 2, 2025. The original grant was 3,843 restricted stock units, with 20% vesting on March 2, 2022, with the remaining 80% vesting in equal quarterly installments over the remaining four years.

SEC source: 0001353196-25-000006 · wk-form4_1757019259.xml · derivative · entry 6

KOUNINIS EFSTATHIOS A · CIK 0001353196 · SVP of Finance & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 212

Underlying: Common stock · 106 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.

F3 · security: Each restricted stock unit represents the right to receive, following vesting, one share of the issuer's common stock.

F2 · shares: Represents a 5% vesting on September 2, 2025. The original grant was 1,057 restricted stock units, with 20% vesting on March 2, 2022, and the remaining 80% vesting in equal quarterly installments over the remaining four years.

F4 · 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: 0001353196-25-000006 · wk-form4_1757019259.xml · nonDerivative · entry 4

KOUNINIS EFSTATHIOS A · CIK 0001353196 · SVP of Finance & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 235

SEC source: 0001353196-25-000006 · wk-form4_1757019259.xml · nonDerivative · entry 3

KOUNINIS EFSTATHIOS A · CIK 0001353196 · SVP of Finance & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 261

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 · shares: Represents a 5% vesting on September 2, 2025. The original grant was 1,057 restricted stock units, with 20% vesting on March 2, 2022, and the remaining 80% vesting in equal quarterly installments over the remaining four years.

SEC source: 0001855325-25-000004 · wk-form4_1757018975.xml · derivative · entry 9

Akgonul Rifat Kerim · CIK 0001855325 · Chief Product Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 922

Underlying: Common stock · 462 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.

F6 · security: Each restricted stock unit represents the right to receive, following vesting, one share of the issuer's common stock.

F2 · shares: Represents a 5% vesting on June 2, 2025. The original grant was 4,611 restricted stock units, with a 20% vesting on March 2, 2022, with the remaining 80% vesting in equal quarterly installments over the remaining four years.

F7 · 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: 0001855325-25-000004 · wk-form4_1757018975.xml · nonDerivative · entry 6

Akgonul Rifat Kerim · CIK 0001855325 · Chief Product Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 77,405

F3 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Akgonul November 25, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001855325-25-000004 · wk-form4_1757018975.xml · nonDerivative · entry 5

Akgonul Rifat Kerim · CIK 0001855325 · Chief Product Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 77,505

F3 · shares: Sold pursuant to a pre-arranged trading plan adopted by Mr. Akgonul November 25, 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 $52.83 to $53.81. 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: 0001855325-25-000004 · wk-form4_1757018975.xml · nonDerivative · entry 4

Akgonul Rifat Kerim · CIK 0001855325 · Chief Product Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 79,405

SEC source: 0001855325-25-000004 · wk-form4_1757018975.xml · nonDerivative · entry 3

Akgonul Rifat Kerim · CIK 0001855325 · Chief Product Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 79,629

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 · shares: Represents a 5% vesting on June 2, 2025. The original grant was 4,611 restricted stock units, with a 20% vesting on March 2, 2022, with the remaining 80% vesting in equal quarterly installments over the remaining four years.

SEC source: 0001680115-25-000008 · wk-form4_1757019359.xml · derivative · entry 5

STILLWELL KENNETH · CIK 0001680115 · COO, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,104

Underlying: Common stock · 2,352 shares

Expires 2027-03-01

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.

F3 · 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 1, 2025, with a release date of September 2, 2025, the first business day following vesting. The original grant was 23,508 restricted stock units, with 20% vesting on March 1, 2023, and the remaining 80% vesting in equal quarterly installments over the remaining four years.

F4 · 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: 0001680115-25-000008 · wk-form4_1757019359.xml · nonDerivative · entry 2

STILLWELL KENNETH · CIK 0001680115 · COO, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 121,294

SEC source: 0001680115-25-000008 · wk-form4_1757019359.xml · nonDerivative · entry 1

STILLWELL KENNETH · CIK 0001680115 · COO, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 122,220

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: Represents a 5% vesting on September 1, 2025, with a release date of September 2, 2025, the first business day following vesting. The original grant was 23,508 restricted stock units, with 20% vesting on March 1, 2023, and the remaining 80% vesting in equal quarterly installments over the remaining four years.

SEC source: 0001480560-25-000004 · wk-form4_1757019508.xml · derivative · entry 5

Trefler Leon · CIK 0001480560 · Chief of Clients and Markets

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,052

Underlying: Common stock · 1,176 shares

Expires 2027-03-01

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.

F4 · 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 1, 2025, with a release date of September 2, 2025, the first business day following vesting. The original grant was 11,754 restricted stock units, with 20% vesting on March 1, 2023, with the remaining 80% vesting in equal quarterly installments over the remaining four years.

F5 · 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: 0001480560-25-000004 · wk-form4_1757019508.xml · nonDerivative · entry 2

Trefler Leon · CIK 0001480560 · Chief of Clients and Markets

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 115,621.994

SEC source: 0001480560-25-000004 · wk-form4_1757019508.xml · nonDerivative · entry 1

Trefler Leon · CIK 0001480560 · Chief of Clients and Markets

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 116,084.994

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: Represents a 5% vesting on September 1, 2025, with a release date of September 2, 2025, the first business day following vesting. The original grant was 11,754 restricted stock units, with 20% vesting on March 1, 2023, with the remaining 80% vesting in equal quarterly installments over the remaining four years.

SEC source: 0001353196-25-000006 · wk-form4_1757019259.xml · derivative · entry 5

KOUNINIS EFSTATHIOS A · CIK 0001353196 · SVP of Finance & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,234

Underlying: Common stock · 206 shares

Expires 2027-03-01

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.

F3 · 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 1, 2025, with a release date of September 2, 2025, the first business date following vesting. The original grant was 2,057 restricted stock units, with 20% vesting on March 1, 2023, and the remaining 80% vesting in equal quarterly installments over the remaining four years.

F4 · 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: 0001353196-25-000006 · wk-form4_1757019259.xml · nonDerivative · entry 2

KOUNINIS EFSTATHIOS A · CIK 0001353196 · SVP of Finance & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 155

SEC source: 0001353196-25-000006 · wk-form4_1757019259.xml · nonDerivative · entry 1

KOUNINIS EFSTATHIOS A · CIK 0001353196 · SVP of Finance & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 206

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: Represents a 5% vesting on September 1, 2025, with a release date of September 2, 2025, the first business date following vesting. The original grant was 2,057 restricted stock units, with 20% vesting on March 1, 2023, and the remaining 80% vesting in equal quarterly installments over the remaining four years.

SEC source: 0001915414-25-000004 · wk-form4_1757019156.xml · derivative · entry 15

Higgins John Gerard · CIK 0001915414 · Chief, Client &Partner Success

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,846

Underlying: Common stock · 184 shares

Expires 2028-03-01

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.

F7 · security: Each restricted stock unit represents the right to receive, following vesting, one share of the issuer's common stock.

F5 · shares: Represents a 5% vesting on September 1, 2025, with a release date of September 2, 2025, the first business day following vesting. The original grant was 1,845 restricted stock units, with 20% vesting on March 1, 2024, and the remaining 80% vesting in equal quarterly installments over the remaining four years.

F8 · 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: 0001915414-25-000004 · wk-form4_1757019156.xml · derivative · entry 14

Higgins John Gerard · CIK 0001915414 · Chief, Client &Partner Success

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,170

Underlying: Common stock · 1,030 shares

Expires 2027-03-01

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.

F7 · security: Each restricted stock unit represents the right to receive, following vesting, one share of the issuer's common stock.

F4 · shares: Represents a 5% vesting on September 1, 2025, with a release date of September 2, 2025, the first business day following vesting. The original grant was 10,285 restricted stock units, with 20% vesting on March 1, 2023 and the remaining 80% vesting in equal quarterly installments over the remaining four years.

F8 · 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: 0001915414-25-000004 · wk-form4_1757019156.xml · derivative · entry 13

Higgins John Gerard · CIK 0001915414 · Chief, Client &Partner Success

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,106

Underlying: Common stock · 184 shares

Expires 2027-03-01

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.

F7 · security: Each restricted stock unit represents the right to receive, following vesting, one share of the issuer's common stock.

F3 · shares: Represents a 5% vesting on September 1, 2025, with a release date of September 2, 2025, the first business day following vesting. The original grant was 1,844 restricted stock units, with 20% vesting on March 1, 2023, and the remaining 80% vesting in equal quarterly installments over the remaining four years.

F8 · 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.