| 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 |
| 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 |
| 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 |
| 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. |