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

Role
SVP, Chief Accounting Officer
Signature
/s/ Kathryn Leach, Attorney-in-Fact for Efstathios A. Kouninis
Issuer symbol
PEGA
Transactions as of
05 Dec 2025
Net transactions value
-$17,792
Form type
4
Filing time
09 Dec 2025, 16:54:00 UTC
Previous filing
03 Dec 2025
Next filing
12 Feb 2026
SEC
View on sec.gov

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 09 Dec 2025 0001353196

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction PEGA Common stock Options Exercise $0 +440 +112% $0.000000 834 05 Dec 2025 Direct F1
transaction PEGA Common stock Tax liability $9,918 -174 -21% $57.00 660 05 Dec 2025 Direct
transaction PEGA Common stock Options Exercise $0 +332 +50% $0.000000 992 07 Dec 2025 Direct F1
transaction PEGA Common stock Tax liability $7,874 -131 -13% $60.11 861 07 Dec 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 Restricted Stock Units Options Exercise $0 -440 -10% $0.000000 3,962 05 Dec 2025 Common stock 440 $0.000000 Direct F1, F2
transaction PEGA Restricted Stock Units Options Exercise $0 -332 -17% $0.000000 1,662 07 Dec 2025 Common stock 332 $0.000000 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each restricted stock unit represents the right to receive, following vesting, one share of the issuer's common stock.
F2 This restricted stock unit award vested 25% on the Date Exercisable in Table II, with the remaining 75% vesting in equal quarterly amounts over the remaining 3 years.