STILLWELL KENNETH
SEC CIK 1680115 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| PEGA | PEGASYSTEMS INC | COO, CFO | 95.2K | — | $17.39M | 183 | 2021-07-01 | 2026-09-11 |
Most active insiders at PEGA, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | TREFLER ALAN | CEO, COB, Dir, 10% | — | $21.81M |
| 2 | STILLWELL KENNETH | COO, CFO | — | $6.75M |
| 3 | Akgonul Rifat Kerim | Chief Product Off | — | $2.04M |
| 4 | Trefler Leon | Chief of Clients, Markets | — | $1.24M |
| 5 | KOUNINIS EFSTATHIOS A | SVP, CAO | — | $851.1K |
| 6 | LEDINGHAM DIANNE | Dir | — | $38.0K |
| 7 | Ghai Rohit | Dir | — | — |
| 8 | Higgins John Gerard | Chief, Client, Partner Success | — | — |
| 9 | Rowlands Sharon T | Dir | — | — |
| 10 | WEBER LARRY | Dir | — | — |
Transactions 183
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-09-15 16:21 | 2026-09-11 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | S - Sale | $35.77 | -39.6K | 95.2K | -29% | -$1.42M | |
| DM | 2026-09-09 17:38 | 2026-09-04+ | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $0.00 | +12.9K | 136.9K | +10% | $0 |
| DM | 2026-09-09 17:38 | 2026-09-04+ | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $37.45 | -5,060 | 134.9K | -4% | -$189.5K |
| D | 2026-09-02 16:12 | 2026-09-01 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $0.00 | +2,350 | 128.0K | +2% | $0 |
| D | 2026-09-02 16:12 | 2026-09-01 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $36.81 | -925 | 127.1K | -0.7% | -$34.0K |
| D | 2026-08-11 16:10 | 2026-08-10 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $16.95 | +25.9K | 143.9K | +22% | +$439.3K |
| D | 2026-08-11 16:10 | 2026-08-10 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $32.93 | -18.3K | 125.6K | -13% | -$602.4K |
| D | 2026-06-09 16:22 | 2026-06-07 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $0.00 | +5,222 | 119.8K | +5% | $0 |
| D | 2026-06-09 16:22 | 2026-06-07 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $34.71 | -2,055 | 117.8K | -2% | -$71.3K |
| DM | 2026-06-08 16:07 | 2026-06-04+ | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $0.00 | +7,632 | 116.3K | +7% | $0 |
| DM | 2026-06-08 16:07 | 2026-06-04+ | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $35.30 | -3,005 | 114.6K | -3% | -$106.1K |
| D | 2026-06-02 16:53 | 2026-06-01 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $0.00 | +2,352 | 110.9K | +2% | $0 |
| D | 2026-06-02 16:53 | 2026-06-01 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $35.73 | -926 | 110.0K | -0.8% | -$33.1K |
| D | 2026-05-06 16:06 | 2026-05-05 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $16.95 | +25.9K | 134.5K | +24% | +$439.3K |
| D | 2026-05-06 16:06 | 2026-05-05 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $36.32 | -17.5K | 116.9K | -13% | -$636.9K |
| D | 2026-05-06 16:06 | 2026-05-05 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | S - Sale+OE | $36.45 | -8,383 | 108.5K | -7% | -$305.6K |
| T | 2026-04-03 16:02 | 2026-04-01 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | S - Sale | $43.17 | -1,000 | 108.5K | -0.9% | -$43.2K |
| 2026-03-12 | 2026-03-10 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | S - Sale | $44.81 | -44.0K | 109.1K | -29% | -$1.97M | |
| D | 2026-03-10 | 2026-03-07 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $0.00 | +5,220 | 155.2K | +3% | $0 |
| D | 2026-03-10 | 2026-03-07 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $47.24 | -2,055 | 153.1K | -1% | -$97.1K |
| D | 2026-03-09 | 2026-03-05 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $0.00 | +4,402 | 151.7K | +3% | $0 |
| D | 2026-03-09 | 2026-03-05 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $47.05 | -1,733 | 150.0K | -1% | -$81.5K |
| DM | 2026-03-05 | 2026-03-04 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $0.00 | +19.6K | 149.9K | +15% | $0 |
| DM | 2026-03-05 | 2026-03-04 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $45.01 | -6,819 | 143.2K | -5% | -$306.9K |
| DM | 2026-03-03 | 2026-03-01+ | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $43.73 | -854 | 134.6K | -0.6% | -$37.3K |
| DM | 2026-03-03 | 2026-03-01+ | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $0.00 | +3,502 | 135.8K | +3% | $0 |
| D | 2026-03-03 | 2026-03-02 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | S - Sale+OE | $43.37 | -1,000 | 134.5K | -0.7% | -$43.4K |
| D | 2026-02-17 | 2026-02-12 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $16.95 | +25.9K | 147.8K | +21% | +$439.3K |
| D | 2026-02-17 | 2026-02-12 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $39.29 | -14.9K | 132.9K | -10% | -$586.7K |
| 2026-02-03 | 2026-02-02 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | S - Sale | $43.69 | -1,000 | 121.9K | -0.8% | -$43.7K | |
| 2026-01-06 | 2026-01-02 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | S - Sale | $59.99 | -4,000 | 122.9K | -3% | -$240.0K | |
| I | 2025-12-16 | 2025-12-12 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | G - Gift | $0.00 | +1,908 | 1,908 | New | $0 |
| 2025-12-16 | 2025-12-12 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | G - Gift | $0.00 | -1,908 | 126.9K | -1% | $0 | |
| 2025-12-12 | 2025-12-10 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | G - Gift | $0.00 | -6,000 | 128.8K | -4% | $0 | |
| DM | 2025-12-09 | 2025-12-05 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | S - Sale+OE | $57.87 | -14.4K | 131.6K | -10% | -$833.6K |
| DM | 2025-12-09 | 2025-12-05+ | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $26.53 | +58.9K | 161.9K | +57% | +$1.56M |
| DM | 2025-12-09 | 2025-12-05+ | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $57.67 | -39.6K | 134.8K | -23% | -$2.28M |
| DM | 2025-12-03 | 2025-12-01+ | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $54.80 | -1,380 | 129.3K | -1% | -$75.6K |
| DM | 2025-12-03 | 2025-12-01+ | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $0.00 | +3,504 | 130.2K | +3% | $0 |
| D | 2025-11-05 | 2025-11-03 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $62.29 | -14.5K | 139.3K | -9% | -$901.8K |
| D | 2025-11-05 | 2025-11-03 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $16.95 | +25.9K | 153.7K | +20% | +$439.3K |
| D | 2025-11-05 | 2025-11-03 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | S - Sale+OE | $62.18 | -11.4K | 127.8K | -8% | -$711.5K |
| D | 2025-10-28 | 2025-10-24 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $31.05 | +52.8K | 180.7K | +41% | +$1.64M |
| D | 2025-10-28 | 2025-10-24 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $66.91 | -35.7K | 145.0K | -20% | -$2.39M |
| D | 2025-10-28 | 2025-10-24 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | S - Sale+OE | $66.40 | -17.2K | 127.8K | -12% | -$1.14M |
| DM | 2025-09-09 | 2025-09-05+ | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $54.73 | -3,788 | 124.7K | -3% | -$207.3K |
| DM | 2025-09-09 | 2025-09-05+ | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $0.00 | +9,622 | 126.4K | +8% | $0 |
| DM | 2025-09-04 | 2025-09-01+ | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $0.00 | +3,504 | 122.2K | +3% | $0 |
| DM | 2025-09-04 | 2025-09-01+ | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $54.21 | -1,380 | 122.0K | -1% | -$74.8K |
| D | 2025-08-05 | 2025-08-04 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $58.27 | -14.8K | 131.0K | -10% | -$860.8K |
| DM | 2025-08-05 | 2025-08-01+ | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | S - Sale+OE | $58.06 | -15.1K | 120.0K | -11% | -$879.5K |
| D | 2025-08-05 | 2025-08-04 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $16.95 | +25.9K | 145.8K | +22% | +$439.3K |
| D | 2025-07-29 | 2025-07-28 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $26.24 | +220.0K | 269.4K | +446% | +$5.77M |
| D | 2025-07-29 | 2025-07-28 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $59.42 | -145.5K | 123.9K | -54% | -$8.64M |
| M | 2025-07-03 | 2025-07-01 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | S - Sale | $52.64 | -4,000 | 50.4K | -7% | -$210.6K |
| D | 2025-06-10 | 2025-06-09 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $0.00 | +2,611 | 27.6K | +10% | $0 |
| D | 2025-06-10 | 2025-06-09 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $102.46 | -1,028 | 26.6K | -4% | -$105.3K |
| D | 2025-06-09 | 2025-06-05 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $0.00 | +2,201 | 25.9K | +9% | $0 |
| D | 2025-06-09 | 2025-06-05 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $101.41 | -867 | 25.0K | -3% | -$87.9K |
| DM | 2025-06-03 | 2025-06-02 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $98.15 | +1,751 | 25.8K | +7% | +$171.9K |
| D | 2025-06-03 | 2025-06-02 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | S - Sale+OE | $97.48 | -2,000 | 23.7K | -8% | -$195.0K |
| DM | 2025-06-03 | 2025-06-02 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $98.15 | -690 | 25.3K | -3% | -$67.7K |
| D | 2025-05-15 | 2025-05-14 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $33.90 | +13.0K | 32.5K | +66% | +$439.3K |
| D | 2025-05-15 | 2025-05-14 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $97.70 | -7,828 | 24.6K | -24% | -$764.8K |
| M | 2025-05-05 | 2025-05-01 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | S - Sale | $92.93 | -2,000 | 19.5K | -9% | -$185.9K |
| DM | 2025-04-29 | 2025-04-25 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | S - Sale+OE | $89.36 | -17.7K | 21.5K | -45% | -$1.58M |
| DM | 2025-04-29 | 2025-04-25 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $90.25 | -43.6K | 30.2K | -59% | -$3.94M |
| DM | 2025-04-29 | 2025-04-25 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $47.27 | +61.3K | 52.8K | New | +$2.90M |
| 2025-04-03 | 2025-04-01 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | S - Sale | $69.75 | -2,000 | 21.2K | -9% | -$139.5K | |
| D | 2025-03-11 | 2025-03-07 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $0.00 | +2,610 | 24.3K | +12% | $0 |
| D | 2025-03-11 | 2025-03-07 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $76.86 | -1,028 | 23.2K | -4% | -$79.0K |
| DM | 2025-03-06 | 2025-03-05 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $0.00 | +12.3K | 25.1K | +96% | $0 |
| DM | 2025-03-06 | 2025-03-05 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $77.63 | -4,851 | 16.3K | -23% | -$376.6K |
| DM | 2025-03-04 | 2025-03-03 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $78.51 | -729 | 14.2K | -5% | -$57.2K |
| D | 2025-03-04 | 2025-03-03 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | S - Sale+OE | $78.31 | -2,000 | 13.8K | -13% | -$156.6K |
| DM | 2025-03-04 | 2025-03-03 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $0.00 | +2,450 | 14.5K | +20% | $0 |
| DM | 2025-02-19 | 2025-02-14 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $43.63 | +21.2K | 27.4K | +340% | +$924.7K |
| DM | 2025-02-19 | 2025-02-14 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $84.95 | -13.5K | 20.4K | -40% | -$1.14M |
| DM | 2025-02-19 | 2025-02-14 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | S - Sale+OE | $84.72 | -7,742 | 14.5K | -35% | -$655.9K |
| 2025-02-05 | 2025-02-03 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | S - Sale | $105.63 | -2,000 | 14.5K | -12% | -$211.3K | |
| 2025-01-03 | 2025-01-02 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | S - Sale | $94.00 | -2,000 | 16.5K | -11% | -$188.0K | |
| DM | 2024-12-12 | 2024-12-10 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | S - Sale+OE | $94.67 | -6,200 | 18.5K | -25% | -$587.0K |
| DM | 2024-12-12 | 2024-12-10 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $94.58 | -14.2K | 21.6K | -40% | -$1.35M |
| DM | 2024-12-12 | 2024-12-10 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $47.27 | +20.4K | 28.9K | +241% | +$966.3K |
| D | 2024-12-10 | 2024-12-09 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $0.00 | +2,611 | 19.5K | +15% | $0 |
| D | 2024-12-10 | 2024-12-09 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $97.28 | -1,028 | 18.5K | -5% | -$100.0K |
| D | 2024-12-04 | 2024-12-03 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $94.48 | -274 | 16.9K | -2% | -$25.9K |
| D | 2024-12-04 | 2024-12-03 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $0.00 | +696 | 17.2K | +4% | $0 |
| DM | 2024-12-03 | 2024-12-02 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $94.97 | -690 | 16.1K | -4% | -$65.5K |
| DM | 2024-12-03 | 2024-12-02 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $0.00 | +1,751 | 16.7K | +12% | $0 |
| D | 2024-12-03 | 2024-12-02 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | S - Sale+OE | $94.60 | -2,000 | 15.4K | -11% | -$189.2K |
| D | 2024-11-08 | 2024-11-06 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $33.90 | +13.0K | 30.4K | +74% | +$439.3K |
| D | 2024-11-08 | 2024-11-06 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | S - Sale+OE | $85.52 | -4,744 | 17.4K | -21% | -$405.7K |
| D | 2024-11-08 | 2024-11-06 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $85.52 | -8,216 | 22.1K | -27% | -$702.6K |
| DM | 2024-10-29 | 2024-10-25 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $34.48 | +16.9K | 33.3K | +102% | +$581.2K |
| DM | 2024-10-29 | 2024-10-25 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $79.54 | -11.1K | 22.9K | -33% | -$880.2K |
| DM | 2024-10-29 | 2024-10-25 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | S - Sale+OE | $79.15 | -5,792 | 17.4K | -25% | -$458.4K |
| 2024-10-02 | 2024-10-01 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | S - Sale | $73.17 | -1,000 | 17.3K | -5% | -$73.2K | |
| D | 2024-09-10 | 2024-09-09 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | F - Tax | $68.59 | -1,028 | 18.3K | -5% | -$70.5K |
| D | 2024-09-10 | 2024-09-09 | PEGA | PEGASYSTEMS INC | STILLWELL KENNETH | COO, CFO | M - OptEx | $0.00 | +2,610 | 19.3K | +16% | $0 |
Purchase Sale Sale after option exercise All abbreviations