Pegasystems (PEGA) accounting chief sells 1,000 shares in open market trade

Rhea-AI Filing Summary

PEGASYSTEMS INC senior vice president and chief accounting officer Efstathios A. Kouninis reported an open-market sale of 1,000 shares of common stock at $42.88 per share. After this transaction on March 17, 2026, he directly holds 3,365 common shares.

Insights

Insider trading and governance analyst

Routine-sized open-market sale by a senior executive with shares remaining.

The filing shows SVP and chief accounting officer Efstathios A. Kouninis executed an open-market sale of 1,000 shares of PEGASYSTEMS INC common stock at $42.88 per share. This is a straightforward sale coded "S" with no derivative exercises or related instruments disclosed.

Following the sale, Kouninis directly holds 3,365 common shares, indicating he retains an ongoing equity stake. The derivative section shows no remaining options or other derivative securities in this filing, so the activity reflects only common stock holdings visible here.

There is one sale and no offsetting purchases, with net shares sold of 1,000 according to the summary. Footnotes provided do not reattribute ownership to another entity or reference a trading plan, so the transaction is presented as a direct holding change based on the available information.

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 MASSACHUSETTS 02451

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/17/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	03/17/2026		S		1,000	D	$42.88	3,365	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

Explanation of Responses:

Remarks:

	/s/ Ewelina Kemp, Attorney-in-Fact for Efstathios A. Kouninis	03/19/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did PEGASYSTEMS INC (PEGA) report in this Form 4?

PEGASYSTEMS INC reported that executive Efstathios A. Kouninis sold 1,000 shares of common stock. The sale was an open-market transaction at a price of $42.88 per share on March 17, 2026, changing his direct ownership position.

Who is the insider involved in the latest PEGASYSTEMS INC (PEGA) Form 4 filing?

The insider is Efstathios A. Kouninis, senior vice president and chief accounting officer of PEGASYSTEMS INC. He is listed as an officer, not a director or 10% owner, and reported a single open-market sale of common stock in this filing.

How many PEGASYSTEMS INC (PEGA) shares did the insider sell and at what price?

The insider sold 1,000 shares of PEGASYSTEMS INC common stock at $42.88 per share. This was classified as an open-market or private sale (code "S"), representing the only transaction reported in the Form 4 for that date.

How many PEGASYSTEMS INC (PEGA) shares does the insider hold after the sale?

After the reported sale, Efstathios A. Kouninis directly owns 3,365 shares of PEGASYSTEMS INC common stock. The filing indicates this is a direct ownership position, with no additional indirect holdings or derivative securities shown in the transaction summary.

Does the PEGASYSTEMS INC (PEGA) Form 4 show any option exercises or derivative transactions?

The Form 4 shows no option exercises or derivative security transactions for this insider. The entire activity consists of one non-derivative transaction: an open-market sale of 1,000 PEGASYSTEMS INC common shares, with derivative-related counts all reported as zero in the summary.