The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Zwecker Mark A since 2023.
This trader's CIK number is 1256439.
At the time of last reporting, Zwecker Mark A was the Officer 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 | 0 | $0 | 0 | $0 | 2,400 | $10,056 |
| 2024 | PESI | 0 | $0 | 0 | $0 | 2,400 | $8,880 |
| 2023 | PESI | 0 | $0 | 0 | $0 | 2,400 | $6,684 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-08-28 | PESI | Option Ex | 2,400 | 4.19 | 10,056 |
| 2024-09-09 | PESI | Option Ex | 2,400 | 3.70 | 8,880 |
| 2023-04-25 | PESI | Option Ex | 2,400 | 2.79 | 6,684 |
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 Zwecker Mark A (Officer of Perma Fix Environmental Services Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.