Efstathios A. Kouninis - 23 Oct 2025 Form 4 Insider Report for PEGASYSTEMS INC (PEGA)

Signature
/s/Kathryn Leach, Attorney-in-Fact for Efstathios A. Kouninis
Issuer symbol
PEGA
Transactions as of
23 Oct 2025
Net transactions value
-$347,060
Form type
4
Filing time
27 Oct 2025, 16:16:07 UTC
Previous filing
16 Sep 2025
Next filing
28 Oct 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
KOUNINIS EFSTATHIOS A SVP, Chief Accounting Officer C/O PEGASYSTEMS INC., 225 WYMAN STREET, STE 300, WALTHAM /s/Kathryn Leach, Attorney-in-Fact for Efstathios A. Kouninis 27 Oct 2025 0001353196

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction PEGA Common stock Options Exercise $177,333 +8,006 +3886% $22.15 8,212 23 Oct 2025 Direct
transaction PEGA Common stock Tax liability $262,852 -4,013 -49% $65.50 4,199 23 Oct 2025 Direct
transaction PEGA Common stock Sale $261,542 -3,993 -95% $65.50 206 23 Oct 2025 Direct

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 Options Options Exercise $0 -8,006 -100% $0.000000 0 23 Oct 2025 Common stock 8,006 $22.15 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The share amounts and price data in this Form 4 have been restated to reflect a 2-for-1 forward stock split of Pegasystems Inc.'s common stock effectuated on June 20, 2025.
F2 20% of the shares subject to this option vested on the Date Exercisable set forth in Table II, and the remaining 80% of the shares vested in equal quarterly installments over the following four years.