PEGASYSTEMS INC Insider Trading Activity

Pegasystems Inc. officer Efstathios A. Kouninis reported equity award activity and related stock transactions.

Accepted by SEC EDGAR 12/09/2025 - 04:54 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Pegasystems Inc. officer Efstathios A. Kouninis reported equity award activity and related stock transactions. On December 5, 2025, 440 shares of Pegasystems common stock were acquired at an exercise price of $0 upon the vesting and settlement of restricted stock units, and 174 shares were disposed of at $57 per share, with 660 shares then beneficially owned directly. On December 7, 2025, an additional 332 shares were acquired at an exercise price of $0 from restricted stock units, and 131 shares were disposed of at $60.11 per share, leaving 861 shares of common stock held directly.

The filing also shows derivative holdings of restricted stock units, including 440 units tied to common shares that were exercisable beginning March 5, 2025 and 332 units exercisable beginning March 7, 2024, with portions vesting quarterly over three years.

Insider Trade Summary

772 shares exercised/converted

Exercise 6 txns

Insider KOUNINIS EFSTATHIOS A

Role SVP, Chief Accounting Officer

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	332	$0.00	$0.00
Exercise	Common stock	332	$0.00	$0.00
Exercise Price or Tax Liability	Common stock	131	$60.11	$8K
Exercise	Restricted Stock Units	440	$0.00	$0.00
Exercise	Common stock	440	$0.00	$0.00
Exercise Price or Tax Liability	Common stock	174	$57.00	$10K

Holdings After Transaction: Restricted Stock Units — 5,624 contracts (Direct); Common stock — 861 shares (Direct)

Footnotes (2)

1. F1. Each restricted stock unit represents the right to receive, following vesting, one share of the issuer's common stock.
2. F2. 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.

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SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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 for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

KOUNINIS EFSTATHIOS A

(Last) (First) (Middle)

C/O PEGASYSTEMS INC.

225 WYMAN STREET, STE 300

(Street)

WALTHAM MA 02451

(City) (State) (Zip)

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)
	SVP, Chief Accounting Officer

3. Date of Earliest Transaction (Month/Day/Year)
12/05/2025

4. If Amendment, Date of 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

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	12/05/2025		M		440(1)	A	$0	834	D
Common stock	12/05/2025		F		174	D	$57	660	D
Common stock	12/07/2025		M		332(1)	A	$0	992	D
Common stock	12/07/2025		F		131	D	$60.11	861	D

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 Securities Underlying Derivative Security (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: 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(1)	$0	12/05/2025		M			440	03/05/2025(2)	03/05/2028	Common stock	440	$0	3,962	D
Restricted Stock Units(1)	$0	12/07/2025		M			332	03/07/2024(2)	03/07/2027	Common stock	332	$0	1,662	D

Explanation of Responses:

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

2. 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.

Remarks:

	/s/ Kathryn Leach, Attorney-in-Fact for Efstathios A. Kouninis	12/09/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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