Updated Jul 16, 2026
KOUNINIS EFSTATHIOS A has filed 4 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $778K.

Efstathios A. Kouninis is a corporate executive known for his roles at Pegasystems Inc., where he has served as Senior Vice President of Finance and Chief Accounting Officer. He has extensive experience in finance and accounting within the technology sector.
| Role | SVP, Chief Accounting Officer |
|---|---|
| Notability | 30/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-18 | PEGA | PEGASYSTEMS INC | S — Open-market sale | 100 | $32.31 | $3K |
| 2026-06-18 | PEGA | PEGASYSTEMS INC | S — Open-market sale | 650 | $32.31 | $21K |
| 2026-06-09 | PEGA | PEGASYSTEMS INC | F — Tax withholding / forfeiture | 81 | $34.71 | $3K |
| 2026-06-09 | PEGA | PEGASYSTEMS INC | M — Option exercise | 332 | $0.00 | |
| 2026-06-08 | PEGA | PEGASYSTEMS INC | F — Tax withholding / forfeiture | 108 | $35.44 | $4K |
| 2026-06-08 | PEGA | PEGASYSTEMS INC | M — Option exercise | 440 | $0.00 | |
| 2026-06-08 | PEGA | PEGASYSTEMS INC | F — Tax withholding / forfeiture | 79 | $35.11 | $3K |
| 2026-06-08 | PEGA | PEGASYSTEMS INC | M — Option exercise | 324 | $0.00 | |
| 2026-06-02 | PEGA | PEGASYSTEMS INC | F — Tax withholding / forfeiture | 50 | $35.73 | $2K |
| 2026-06-02 | PEGA | PEGASYSTEMS INC | M — Option exercise | 204 | $0.00 | |
| 2026-06-02 | PEGA | PEGASYSTEMS INC | S — Open-market sale | 750 | $36.99 | $28K |
| 2026-06-02 | PEGA | PEGASYSTEMS INC | S — Open-market sale | 750 | $34.75 | $26K |
| 2026-03-19 | PEGA | PEGASYSTEMS INC | S — Open-market sale | 1.0K | $42.88 | $43K |
| 2026-03-10 | PEGA | PEGASYSTEMS INC | F — Tax withholding / forfeiture | 81 | $47.24 | $4K |
| 2026-03-10 | PEGA | PEGASYSTEMS INC | M — Option exercise | 332 | $0.00 | |
| 2026-03-09 | PEGA | PEGASYSTEMS INC | F — Tax withholding / forfeiture | 108 | $47.05 | $5K |
| 2026-03-09 | PEGA | PEGASYSTEMS INC | M — Option exercise | 440 | $0.00 | |
| 2026-03-05 | PEGA | PEGASYSTEMS INC | F — Tax withholding / forfeiture | 655 | $45.01 | $29K |
| 2026-03-05 | PEGA | PEGASYSTEMS INC | M — Option exercise | 2.2K | $0.00 | |
| 2026-03-05 | PEGA | PEGASYSTEMS INC | F — Tax withholding / forfeiture | 313 | $45.01 | $14K |
Efstathios A. Kouninis is a corporate executive known for his roles at Pegasystems Inc., where he has served as Senior Vice President of Finance and Chief Accounting Officer. He has extensive experience in finance and accounting within the technology sector.…
4 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 20 open-market sales ($778K) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Open the live KOUNINIS EFSTATHIOS A profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.