Duff Mark
SEC CIK 1678382 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| PESI | PERMA FIX ENVIRONMENTAL SERVICES INC | Pres, CEO, Dir | 134.6K | $104.3K | — | 15 | 2021-12-17 | 2025-09-11 |
Most active insiders at PESI, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Duggan Kerry C | Dir | — | — |
| 2 | Grondin Richard | EVP of Hanford, Int. Waste Op | — | — |
| 3 | Grumski Joseph Timothy | Dir | — | — |
| 4 | Wamp Zach Paul | Dir | — | — |
| 5 | Bostick Thomas | Dir | — | — |
| 6 | Shelton Larry | Dir | — | — |
| 7 | REEDER JOE | Dir | — | — |
| 8 | ZWECKER MARK A | Dir | — | — |
| 9 | CENTOFANTI LOUIS F | EVP of Strategic Initiatives, Dir | — | — |
Duff Mark made no open-market trades at PESI in the last 12 months.
Transactions 15
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-09-12 | 2025-09-11 | PESI | PERMA FIX ENVIRONMENTAL SERVICES INC | Duff Mark | Pres, CEO, Dir | P - Purchase | $8.05 | +897 | 134.6K | +0.7% | +$7,221 | |
| M | 2025-03-24 | 2025-03-21 | PESI | PERMA FIX ENVIRONMENTAL SERVICES INC | Duff Mark | Pres, CEO, Dir | P - Purchase | $7.03 | +2,050 | 132.4K | +2% | +$14.4K |
| M | 2025-03-19 | 2025-03-18 | PESI | PERMA FIX ENVIRONMENTAL SERVICES INC | Duff Mark | Pres, CEO, Dir | P - Purchase | $7.15 | +1,000 | 131.6K | +0.8% | +$7,150 |
| D | 2025-01-10 | 2025-01-08 | PESI | PERMA FIX ENVIRONMENTAL SERVICES INC | Duff Mark | Pres, CEO, Dir | M - OptEx | $3.15 | +25.0K | 138.1K | +22% | +$78.8K |
| D | 2025-01-10 | 2025-01-08 | PESI | PERMA FIX ENVIRONMENTAL SERVICES INC | Duff Mark | Pres, CEO, Dir | F - Tax | $10.58 | -7,443 | 130.6K | -5% | -$78.7K |
| M | 2024-09-05 | 2024-09-03+ | PESI | PERMA FIX ENVIRONMENTAL SERVICES INC | Duff Mark | Pres, CEO, Dir | P - Purchase | $10.11 | +2,100 | 111.5K | +2% | +$21.2K |
| M | 2023-12-04 | 2023-12-01 | PESI | PERMA FIX ENVIRONMENTAL SERVICES INC | Duff Mark | Pres, CEO, Dir | P - Purchase | $7.16 | +3,000 | 109.5K | +3% | +$21.5K |
| D | 2023-05-24 | 2023-05-22 | PESI | PERMA FIX ENVIRONMENTAL SERVICES INC | Duff Mark | Pres, CEO, Dir | F - Tax | $11.05 | -33.0K | 108.0K | -23% | -$365.0K |
| D | 2023-05-24 | 2023-05-22 | PESI | PERMA FIX ENVIRONMENTAL SERVICES INC | Duff Mark | Pres, CEO, Dir | M - OptEx | $3.65 | +100.0K | 141.0K | +244% | +$365.0K |
| 2022-11-23 | 2022-11-22 | PESI | PERMA FIX ENVIRONMENTAL SERVICES INC | Duff Mark | Pres, CEO | P - Purchase | $3.89 | +1,000 | 41.0K | +3% | +$3,890 | |
| M | 2022-09-07 | 2022-09-07 | PESI | PERMA FIX ENVIRONMENTAL SERVICES INC | Duff Mark | Pres, CEO | P - Purchase | $4.75 | +1,500 | 40.0K | +4% | +$7,130 |
| M | 2022-05-13 | 2022-05-11+ | PESI | PERMA FIX ENVIRONMENTAL SERVICES INC | Duff Mark | Pres, CEO | P - Purchase | $5.55 | +2,000 | 36.6K | +6% | +$11.1K |
| D | 2022-05-11 | 2022-05-09 | PESI | PERMA FIX ENVIRONMENTAL SERVICES INC | Duff Mark | Pres, CEO | M - OptEx | $3.97 | +50.0K | 70.0K | +251% | +$198.5K |
| D | 2022-05-11 | 2022-05-09 | PESI | PERMA FIX ENVIRONMENTAL SERVICES INC | Duff Mark | Pres, CEO | F - Tax | $5.93 | -33.5K | 36.5K | -48% | -$198.5K |
| M | 2021-12-20 | 2021-12-17+ | PESI | PERMA FIX ENVIRONMENTAL SERVICES INC | Duff Mark | Pres, CEO | P - Purchase | $6.54 | +1,637 | 20.0K | +9% | +$10.7K |
Purchase Sale Sale after option exercise All abbreviations