SEC Form 4 · Updated Daily
PEGA
— PEGASYSTEMS INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| TREFLER ALAN | 10%+ Owner · Director · Officer | 16,275,828 | 2026-09-14 | G |
| DARBELOFF ALEXANDER V | Director | 567,110 | 2008-05-29 | A |
| Trefler Leon | Officer | 132,697 | 2026-09-07 | M |
| OHALLORAN JAMES P | Director | 120,743 | 2020-06-11 | M |
| Akgonul Rifat Kerim | Officer | 104,804 | 2026-09-11 | S |
| STILLWELL KENNETH | Officer | 95,225 | 2026-09-11 | S |
| Reilly James T | Officer | 83,098 | 2007-11-02 | M |
| Higgins John Gerard | Officer | 61,383 | 2026-09-07 | M |
| PYLE MICHAEL R | Officer | 47,084 | 2022-03-08 | M |
| MAYBURY EDWARD A | Director | 44,900 | 2006-04-03 | M |
| KAPLAN STEVEN F | Director | 44,776 | 2018-06-06 | S |
| KRA DOUGLAS I | Officer | 42,850 | 2021-03-09 | M |
| LEDINGHAM DIANNE | Director | 38,280 | 2026-10-01 | S |
| Mayer Max Alan | Officer | 31,514 | 2010-02-24 | M |
| GYENES PETER | Director | 30,586 | 2026-08-15 | A |
| LAFOND CHRISTOPHER | Director | 25,548 | 2026-08-15 | A |
| Brown Rafeal E. | Officer | 24,418 | 2015-11-02 | M |
| WYMAN WILLIAM W | Director | 21,131 | 2018-03-21 | M |
| SULLIVAN CHRISTOPHER R | Officer | 18,283 | 2006-05-16 | M |
| Hughes Edward L | Officer | 15,000 | 2008-08-12 | M |
| WEBER LARRY | Director | 14,500 | 2026-08-15 | A |
| Stafford Hayden | Officer | 9,193 | 2022-03-02 | M |
| Ghai Rohit | Director | 7,266 | 2026-08-15 | A |
| Conway Craig | Director | 5,331 | 2011-03-26 | M |
| Rowlands Sharon T | Director | 3,868 | 2026-08-15 | A |
| JONES RICHARD H | Director | 3,868 | 2026-08-15 | A |
| HOVSEPIAN RONALD W | Director | 3,571 | 2020-08-17 | M |
| KOUNINIS EFSTATHIOS A | Officer | 1,009 | 2026-09-16 | S |
| Dynes Craig A | Officer | 386 | 2013-03-17 | M |
| Hoyt Shawn | Officer | 11 | 2006-05-30 | — |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2047-06-07 | KRA DOUGLAS I | Option exercise (derivative) | 502 | $0.00 | 3,520 |
| 2026-10-01 | LEDINGHAM DIANNE | Open-market sale | 1,000 | $34.15 | 38,280 |
| 2026-09-16 | KOUNINIS EFSTATHIOS A | Open-market sale | 982 | $37.35 | 1,009 |
| 2026-09-15 | LEDINGHAM DIANNE | Open-market sale | 1,000 | $38.00 | 39,280 |
| 2026-09-14 | TREFLER ALAN | Gift | 5,399,303 | $0.00 | 16,275,828 |
| 2026-09-14 | TREFLER ALAN | Gift | 2,399,690 | $0.00 | 0 |
| 2026-09-11 | STILLWELL KENNETH | Open-market sale | 39,627 | $35.77 | 95,225 |
| 2026-09-11 | Akgonul Rifat Kerim | Open-market sale | 7,000 | $36.03 | 104,804 |
| 2026-09-07 | Akgonul Rifat Kerim | Option exercise (derivative) | 2,280 | $0.00 | 4,556 |
| 2026-09-07 | Akgonul Rifat Kerim | Tax withholding | 1,103 | $37.36 | 111,804 |
| 2026-09-07 | Akgonul Rifat Kerim | Option exercise | 2,280 | $0.00 | 112,907 |
| 2026-09-07 | Higgins John Gerard | Option exercise (derivative) | 2,280 | $0.00 | 4,556 |
| 2026-09-07 | Higgins John Gerard | Tax withholding | 1,273 | $37.36 | 60,110 |
| 2026-09-07 | Higgins John Gerard | Option exercise | 2,280 | $0.00 | 61,383 |
| 2026-09-07 | KOUNINIS EFSTATHIOS A | Option exercise (derivative) | 334 | $0.00 | 664 |
| 2026-09-07 | KOUNINIS EFSTATHIOS A | Tax withholding | 82 | $37.36 | 1,991 |
| 2026-09-07 | KOUNINIS EFSTATHIOS A | Option exercise | 334 | $0.00 | 2,073 |
| 2026-09-07 | STILLWELL KENNETH | Option exercise (derivative) | 5,220 | $0.00 | 10,442 |
| 2026-09-07 | STILLWELL KENNETH | Tax withholding | 2,055 | $37.36 | 134,852 |
| 2026-09-07 | STILLWELL KENNETH | Option exercise | 5,220 | $0.00 | 136,907 |
| 2026-09-07 | Trefler Leon | Option exercise (derivative) | 2,658 | $0.00 | 5,316 |
| 2026-09-07 | Trefler Leon | Tax withholding | 1,046 | $37.36 | 131,651 |
| 2026-09-07 | Trefler Leon | Option exercise | 2,658 | $0.00 | 132,697 |
| 2026-09-05 | Akgonul Rifat Kerim | Option exercise (derivative) | 2,202 | $0.00 | 13,206 |
| 2026-09-05 | Akgonul Rifat Kerim | Tax withholding | 1,065 | $37.36 | 110,627 |
| 2026-09-05 | Akgonul Rifat Kerim | Option exercise | 2,202 | $0.00 | 111,692 |
| 2026-09-05 | Higgins John Gerard | Option exercise (derivative) | 2,202 | $0.00 | 13,206 |
| 2026-09-05 | Higgins John Gerard | Tax withholding | 1,229 | $37.36 | 59,103 |
| 2026-09-05 | Higgins John Gerard | Option exercise | 2,202 | $0.00 | 60,332 |
| 2026-09-05 | KOUNINIS EFSTATHIOS A | Option exercise (derivative) | 440 | $0.00 | 2,642 |
| 2026-09-05 | KOUNINIS EFSTATHIOS A | Tax withholding | 108 | $37.36 | 1,739 |
| 2026-09-05 | KOUNINIS EFSTATHIOS A | Option exercise | 440 | $0.00 | 1,847 |
| 2026-09-05 | STILLWELL KENNETH | Option exercise (derivative) | 4,402 | $0.00 | 26,414 |
| 2026-09-05 | STILLWELL KENNETH | Tax withholding | 1,733 | $37.36 | 131,687 |
| 2026-09-05 | STILLWELL KENNETH | Option exercise | 4,402 | $0.00 | 133,420 |
| 2026-09-05 | Trefler Leon | Option exercise (derivative) | 2,202 | $0.00 | 13,206 |
| 2026-09-05 | Trefler Leon | Tax withholding | 867 | $37.36 | 130,039 |
| 2026-09-05 | Trefler Leon | Option exercise | 2,202 | $0.00 | 130,906 |
| 2026-09-04 | Akgonul Rifat Kerim | Option exercise (derivative) | 1,616 | $0.00 | 16,154 |
| 2026-09-04 | Akgonul Rifat Kerim | Tax withholding | 782 | $37.72 | 109,490 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.