TREFLER ALAN - 03 Mar 2026 Form 4 Insider Report for PEGASYSTEMS INC (PEGA)

Role: C.E.O. & Chairman, Director, 10%+ Owner
Signature: /s/ Ewelina Kemp, Attorney-in-Fact for Alan Trefler
Issuer symbol: PEGA
Transactions as of: 03 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 05 Mar 2026, 16:21:17 UTC
Previous filing: 03 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
TREFLER ALAN	C.E.O. & Chairman, Director, 10%+ Owner	C/O PEGASYSTEMS INC., 225 WYMAN STREET, STE 300, WALTHAM	/s/ Ewelina Kemp, Attorney-in-Fact for Alan Trefler	05 Mar 2026	0001032235

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	Stock Option	Award		+455,581		$0.000000^*	455,581	03 Mar 2026	Common stock	455,581	$45.01	Direct	F1

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

Explanation of Responses:

Id	Content
F1	This stock option vests as to 25% of the shares subject thereto on the Date Exercisable in Table II, with the remaining 75% vesting in equal quarterly amounts over the following three years.