Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Higgins John Gerard 2. Issuer Name and Ticker or Trading Symbol PEGASYSTEMS INC [PEGA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chief, Client &Partner Success (Last) (First) (Middle) C/O PEGASYSTEMS INC., 225 WYMAN STREET, STE 300 3. Date of Earliest Transaction (Month/Day/Year) 06/02/2025 (Street) WALTHAM, MA 02451 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common stock 06/02/2025 M 93(1) A $98.15 17,566 D Common stock 06/02/2025 F 52(2) D $98.15 17,514 D Common stock 06/02/2025 M 92(3) A $98.15 17,606 D Common stock 06/02/2025 F 52(2) D $98.15 17,554 D Common stock 06/02/2025 M 514(4) A $98.15 18,068 D Common stock 06/02/2025 F 287(2) D $98.15 17,781 D Common stock 06/02/2025 M 92(5) A $98.15 17,873 D Common stock 06/02/2025 F 52(2) D $98.15 17,821 D Common stock 06/02/2025 M 460(6) A $98.15 18,281 D Common stock 06/02/2025 F 257(2) D $98.15 18,024(7) D

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Restricted Stock Units(8)

$ 0

06/02/2025

M

93(1)

03/01/2023

(9)

Common stock

93

$ 0

645

D

Restricted Stock Units(8)

$ 0

06/02/2025

M

460(6)

06/01/2021

(9)

Common stock

460

$ 0

1,380

D

Restricted Stock Units(8)

$ 0

06/02/2025

M

92(3)

03/01/2022

(9)

Common stock

92

$ 0

276

D

Restricted Stock Units(8)

$ 0

06/02/2025

M

514(4)

03/01/2023

(9)

Common stock

514

$ 0

3,600

D

Restricted Stock Units(8)

$ 0

06/02/2025

M

92(5)

03/01/2024

(9)

Common stock

92

$ 0

1,015

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Higgins John Gerard C/O PEGASYSTEMS INC. 225 WYMAN STREET, STE 300 WALTHAM, MA 02451			Chief, Client &Partner Success

Signatures

/s/ Ewelina Kemp, Attorney-in-Fact for John Gerard Higgins		06/03/2025
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Represents a 5% vesting on June 1, 2025, with a release date of June 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.
(2)	Tendered to issuer to satisfy tax withholding obligations of the reporting person, exempted pursuant to Rule 16b-3(e).
(3)	Represents a 5% vesting on June 1, 2025, with a release date of June 2, 2025, the first business day following vesting. The original grant was 1,842 restricted stock units, with 20% vesting on March 1, 2022, and the remaining 80% vesting in equal quarterly installments over the remaining four years.
(4)	Represents a 5% vesting on June 1, 2025, with a release date of June 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.
(5)	Represents a 5% vesting on June 1, 2025, with a release date of June 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.
(6)	Represents a 5% vesting on June 1, 2025, with a release date of June 2, 2025, the first business day following vesting. The original grant was 9,207 restricted stock units, with 20% vesting on June 1, 2021, and the remaining 80% vesting in equal quarterly installments over the remaining four years.
(7)	Does not include shares of common stock subject to unvested restricted stock units and/or options awards.
(8)	Each restricted stock unit represents the right to receive, following vesting, one share of the issuer's common stock.
(9)	Once vested, the shares of common stock are not subject to expiration.

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