Efstathios A. Kouninis - 05 Jun 2025 Form 4 Insider Report for PEGASYSTEMS INC (PEGA)

Role: SVP of Finance & CAO
Signature: /s/ Ewelina Kemp, Attorney-in-Fact for Efstathios A. Kouninis
Issuer symbol: PEGA
Transactions as of: 05 Jun 2025
Net transactions value: -$87,014
Form type: 4
Filing time: 09 Jun 2025, 17:24:02 UTC
Previous filing: 05 Jun 2025
Next filing: 10 Jun 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
KOUNINIS EFSTATHIOS A	SVP of Finance & CAO	C/O PEGASYSTEMS INC., 225 WYMAN STREET, STE 300, WALTHAM	/s/ Ewelina Kemp, Attorney-in-Fact for Efstathios A. Kouninis	09 Jun 2025	0001353196

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PEGA	Common stock	Options Exercise	$0	+220		$0.000000	220	05 Jun 2025	Direct	F1
transaction	PEGA	Common stock	Tax liability	$5,476	-54	-25%	$101.41	166	05 Jun 2025	Direct	F2
transaction	PEGA	Common stock	Options Exercise	$40,002	+1,180	+711%	$33.90	1,346	05 Jun 2025	Direct
transaction	PEGA	Common stock	Tax liability	$59,946	-582	-43%	$103.00	764	05 Jun 2025	Direct	F3
transaction	PEGA	Common stock	Sale	$61,594	-598	-78%	$103.00	166	05 Jun 2025	Direct	F4

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	PEGA	Restricted Stock Units	Options Exercise	$0	-220	-8.3%	$0.000000	2,421	05 Jun 2025	Common stock	220	$0.000000	Direct	F1, F5, F6
transaction	PEGA	Stock Options	Options Exercise	$0	-1,180	-12%	$0.000000	8,260	05 Jun 2025	Common stock	1,180	$33.90	Direct	F7

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents a 5% vesting on June 5, 2025. The original grant was 3,522 restricted stock units, with 25% vesting on March 5, 2025, and the remaining 75% vesting in equal quarterly installments over the next three years.
F2	Tendered to issuer to satisfy tax withholding obligations of the reporting person, exempted pursuant to Rule 16b-3(e).
F3	Represents the exercise price of the stock options referenced in Table II and Mr. Kouninis's tax liability, which were paid by way of the Company withholding shares of equal value.
F4	Does not include shares of common stock subject to unvested restricted stock units and/or options awards.
F5	Each restricted stock unit represents the right to receive, following vesting, one share of the issuer's common stock.
F6	Once vested, the shares of common stock are not subject to expiration.
F7	Options will vest in equal quarterly installments over a four year period. The first vest occurred on February 2, 2023.