[Form 4] PEGASYSTEMS INC Insider Trading Activity

Rhea-AI Filing Summary

Pegasystems Inc. reported insider equity transactions by its SVP and Chief Accounting Officer. On 12/01/2025, the officer acquired 206 shares of common stock at an exercise price of $0 through the vesting and settlement of restricted stock units, and disposed of 82 shares at $54.77. On 12/02/2025, the officer acquired another 106 shares at $0 and disposed of 42 shares at $54.85.

After these transactions, the officer directly beneficially owned 394 shares of Pegasystems common stock. The filing also shows continuing holdings of restricted stock units, including awards originally granted on 03/01/2023 and 03/02/2022, which vest over time according to their schedules.

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

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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)
12/01/2025

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	12/01/2025		M		206	A	$0	412	D
Common stock	12/01/2025		F		82	D	$54.77	330	D
Common stock	12/02/2025		M		106	A	$0	436	D
Common stock	12/02/2025		F		42	D	$54.85	394	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	$0	12/01/2025		M			206(1)	03/01/2023(2)	03/01/2027	Common stock	206	$0	1,028	D
Restricted Stock Units	$0	12/02/2025		M			106(1)	03/02/2022(2)	03/02/2026	Common stock	106	$0	106	D

Explanation of Responses:

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

2. 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.

Remarks:

	/s/ Kathryn Leach, Attorney-in-Fact for Efstathios A. Kouninis	12/03/2025
	** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transactions did Pegasystems (PEGA) report in this Form 4?

The Form 4 reports that the SVP and Chief Accounting Officer acquired common stock through the vesting and settlement of restricted stock units and disposed of smaller amounts of common stock in separate transactions on 12/01/2025 and 12/02/2025.

How many Pegasystems (PEGA) shares did the insider acquire and sell?

The officer acquired 206 shares of common stock on 12/01/2025 and 106 shares on 12/02/2025 at an exercise price of $0. The officer disposed of 82 shares at $54.77 on 12/01/2025 and 42 shares at $54.85 on 12/02/2025.

What is the insider’s Pegasystems (PEGA) share ownership after these transactions?

Following the reported transactions, the SVP and Chief Accounting Officer directly beneficially owned 394 shares of Pegasystems common stock, as shown in Table I.

What restricted stock units does the Pegasystems (PEGA) officer still hold?

Table II shows restricted stock unit awards with underlying common stock, including 206 units from a grant dated 03/01/2023 and 106 units from a grant dated 03/02/2022, with vesting and expiration dates extending to 03/01/2027 and 03/02/2026, respectively, along with remaining derivative securities beneficially owned.

How do the Pegasystems (PEGA) restricted stock units vest for this insider?

According to the explanation, 20% of each restricted stock unit grant vested on the initial “Date Exercisable” shown in Table II, and the remaining 80% vest in equal quarterly installments over the following four years.

What do the transaction codes M and F mean in this Pegasystems (PEGA) Form 4?

In the tables, code M is used for transactions involving the exercise or settlement of derivative securities (restricted stock units) into common stock, while code F is used for dispositions of shares.