EFSTATHIOS A. KOUNINIS - 01 Dec 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
01 Dec 2025
Net transactions value
-$6,795
Form type
4
Filing time
03 Dec 2025, 16:28:45 UTC
Previous filing
28 Oct 2025
Next filing
09 Dec 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 03 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 +206 +100% $0.000000 412 01 Dec 2025 Direct
transaction PEGA Common stock Tax liability $4,491 -82 -20% $54.77 330 01 Dec 2025 Direct
transaction PEGA Common stock Options Exercise $0 +106 +32% $0.000000 436 02 Dec 2025 Direct
transaction PEGA Common stock Tax liability $2,304 -42 -9.6% $54.85 394 02 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 -206 -17% $0.000000 1,028 01 Dec 2025 Common stock 206 $0.000000 Direct F1, F2
transaction PEGA Restricted Stock Units Options Exercise $0 -106 -50% $0.000000 106 02 Dec 2025 Common stock 106 $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 common stock.
F2 20% of the restricted stock units vested on the Date Exercisable in Table II, and the remaining 80% vest in equal quarterly installments over the following four years.