PERMA FIX ENVIRONMENTAL SERVICES INC (PESI) Insider Trading -- Recent Executive & Director Transactions
10 insiders reported 65 Form 4 transactions for PERMA FIX ENVIRONMENTAL SERVICES INC (PESI) over the past 18 months (most recent 2026-10-02). Recent activity: ZWECKER MARK A (Director) Buy 1,038 shares, Shelton Larry (Director) Buy 1,246 shares, Bostick Thomas (Director) Buy 1,108 shares, Wamp Zach Paul (Director) Buy 775 shares, Grumski Joseph Timothy (Director) Buy 1,438 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-10-02 | ZWECKER MARK A | Director | Buy | 1,038 | $12,184 |
| 2026-10-02 | Shelton Larry | Director | Buy | 1,246 | $14,625 |
| 2026-10-02 | Bostick Thomas | Director | Buy | 1,108 | $13,005 |
| 2026-10-02 | Wamp Zach Paul | Director | Buy | 775 | $9,097 |
| 2026-10-02 | Grumski Joseph Timothy | Director | Buy | 1,438 | $16,879 |
| 2026-10-02 | Duggan Kerry C | Director | Buy | 748 | $8,780 |
| 2026-10-02 | REEDER JOE | Director | Buy | 1,289 | $15,130 |
| 2026-07-14 | Shelton Larry | Director | Buy | 2,400 | $11,040 |
| 2026-07-02 | Wamp Zach Paul | Director | Buy | 849 | $9,099 |
| 2026-07-02 | REEDER JOE | Director | Buy | 1,458 | $15,626 |
| 2026-07-02 | Shelton Larry | Director | Buy | 1,365 | $14,629 |
| 2026-07-02 | ZWECKER MARK A | Director | Buy | 1,167 | $12,507 |
| 2026-07-02 | Grumski Joseph Timothy | Director | Buy | 1,528 | $16,376 |
| 2026-07-02 | Duggan Kerry C | Director | Buy | 819 | $8,778 |
| 2026-07-02 | Bostick Thomas | Director | Buy | 1,213 | $13,000 |
| 2026-04-02 | REEDER JOE | Director | Buy | 1,886 | $15,126 |
| 2026-04-02 | Grumski Joseph Timothy | Director | Buy | 2,105 | $16,882 |
| 2026-04-02 | Duggan Kerry C | Director | Buy | 1,054 | $8,453 |
| 2026-04-02 | Bostick Thomas | Director | Buy | 1,559 | $12,503 |
| 2026-04-02 | Wamp Zach Paul | Director | Buy | 1,094 | $8,774 |
| 2026-04-02 | Shelton Larry | Director | Buy | 1,824 | $14,628 |
| 2026-04-02 | ZWECKER MARK A | Director | Buy | 1,520 | $12,190 |
| 2026-02-10 | CENTOFANTI LOUIS F | EVP of Strategic Initiatives | Sell | 600 | $0 |
| 2026-02-10 | CENTOFANTI LOUIS F | EVP of Strategic Initiatives | Sell | 600 | $0 |
| 2026-01-21 | Grondin Richard | EVP of Hanford & Int. Waste Op | Buy | 5,000 | $35,050 |
Source: SEC Form 4 filings · as of 2026-10-02