The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Duff Mark since 2017.
This trader's CIK number is 1678382.
At the time of last reporting, Duff Mark was the President and CEO of Perma Fix Environmental Services Inc. (stock ticker symbol PESI).
Also see all insider trading activities at Perma Fix Environmental Services Inc.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | PESI | 3,050 | $21,567 | 0 | $0 | 25,000 | $78,750 |
| 2024 | PESI | 2,100 | $21,283 | 0 | $0 | 0 | $0 |
| 2023 | PESI | 3,000 | $21,465 | 0 | $0 | 100,000 | $365,000 |
| 2022 | PESI | 4,500 | $22,125 | 0 | $0 | 50,000 | $198,500 |
| 2021 | PESI | 1,637 | $10,687 | 0 | $0 | 0 | $0 |
| 2020 | PESI | 4,770 | $27,123 | 0 | $0 | 0 | $0 |
| 2019 | PESI | 3,500 | $13,250 | 0 | $0 | 0 | $0 |
| 2018 | PESI | 4,051 | $12,436 | 0 | $0 | 0 | $0 |
| 2017 | PESI | 6,000 | $19,725 | 0 | $0 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-03-21 | PESI | Buy | 2,050 | 7.03 | 14,417 |
| 2025-03-18 | PESI | Buy | 1,000 | 7.15 | 7,150 |
| 2025-01-08 | PESI | Option Ex | 25,000 | 3.15 | 78,750 |
| 2024-09-03 | PESI | Buy | 1,250 | 10.28 | 12,843 |
| 2024-09-04 | PESI | Buy | 850 | 9.93 | 8,440 |
| 2023-12-01 | PESI | Buy | 3,000 | 7.16 | 21,465 |
| 2023-05-22 | PESI | Option Ex | 100,000 | 3.65 | 365,000 |
| 2022-11-22 | PESI | Buy | 1,000 | 3.89 | 3,890 |
| 2022-09-07 | PESI | Buy | 1,500 | 4.75 | 7,132 |
| 2022-05-11 | PESI | Buy | 78 | 5.60 | 436 |
| 2022-05-12 | PESI | Buy | 1,922 | 5.55 | 10,667 |
| 2022-05-09 | PESI | Option Ex | 50,000 | 3.97 | 198,500 |
| 2021-12-17 | PESI | Buy | 1,037 | 6.54 | 6,787 |
| 2021-12-20 | PESI | Buy | 600 | 6.50 | 3,900 |
| 2020-12-29 | PESI | Buy | 500 | 5.85 | 2,925 |
| 2020-11-09 | PESI | Buy | 500 | 6.20 | 3,100 |
| 2020-08-11 | PESI | Buy | 1,750 | 7.01 | 12,262 |
| 2020-08-12 | PESI | Buy | 20 | 6.85 | 137 |
| 2020-03-30 | PESI | Buy | 500 | 5.10 | 2,550 |
| 2020-03-23 | PESI | Buy | 1,500 | 4.10 | 6,149 |
| 2019-08-14 | PESI | Buy | 2,000 | 3.77 | 7,550 |
| 2019-05-15 | PESI | Buy | 500 | 3.70 | 1,850 |
| 2019-05-14 | PESI | Buy | 500 | 3.80 | 1,900 |
| 2019-05-13 | PESI | Buy | 500 | 3.90 | 1,950 |
| 2018-12-28 | PESI | Buy | 1,050 | 2.32 | 2,434 |
| 2018-12-14 | PESI | Buy | 1 | 2.63 | 2 |
| 2018-12-17 | PESI | Buy | 700 | 2.95 | 2,065 |
| 2018-11-09 | PESI | Buy | 2,300 | 3.45 | 7,935 |
| 2017-08-15 | PESI | Buy | 1,500 | 3.40 | 5,100 |
| 2017-08-14 | PESI | Buy | 1,500 | 3.45 | 5,175 |
| 2017-03-27 | PESI | Buy | 3,000 | 3.15 | 9,450 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Duff Mark (President and CEO of Perma Fix Environmental Services Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.