12 insiders reported 73 Form 4 transactions for PERMA FIX ENVIRONMENTAL SERVICES INC (PESI) over the past 18 months (most recent 2026-07-02). Recent activity: ZWECKER MARK A (Director) Buy 1,167 shares, REEDER JOE (Director) Buy 1,458 shares, Shelton Larry (Director) Buy 1,365 shares, Bostick Thomas (Director) Buy 1,213 shares, Wamp Zach Paul (Director) Buy 849 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-02 | ZWECKER MARK A | Director | Buy | 1,167 | $12,507 |
| 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 | Bostick Thomas | Director | Buy | 1,213 | $13,000 |
| 2026-07-02 | Wamp Zach Paul | Director | Buy | 849 | $9,099 |
| 2026-07-02 | Grumski Joseph Timothy | Director | Buy | 1,528 | $16,376 |
| 2026-07-02 | Duggan Kerry C | Director | Buy | 819 | $8,778 |
| 2026-04-02 | Grumski Joseph Timothy | Director | Buy | 2,105 | $16,877 |
| 2026-04-02 | REEDER JOE | Director | Buy | 1,886 | $15,121 |
| 2026-04-02 | Shelton Larry | Director | Buy | 1,824 | $14,624 |
| 2026-04-02 | Bostick Thomas | Director | Buy | 1,559 | $12,499 |
| 2026-04-02 | Wamp Zach Paul | Director | Buy | 1,094 | $8,771 |
| 2026-04-02 | ZWECKER MARK A | Director | Buy | 1,520 | $12,187 |
| 2026-04-02 | Duggan Kerry C | Director | Buy | 1,054 | $8,450 |
| 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 |
| 2026-01-21 | Grondin Richard | EVP of Hanford & Int. Waste Op | Sell | 2,555 | $35,029 |
| 2026-01-21 | Grondin Richard | EVP of Hanford & Int. Waste Op | Buy | 6,000 | $23,700 |
| 2026-01-21 | Grondin Richard | EVP of Hanford & Int. Waste Op | Sell | 1,729 | $23,705 |
| 2026-01-06 | REEDER JOE | Director | Buy | 1,549 | $14,623 |
| 2026-01-05 | Shelton Larry | Director | Buy | 1,583 | $14,944 |
| 2026-01-05 | ZWECKER MARK A | Director | Buy | 1,325 | $12,508 |
| 2026-01-05 | Grumski Joseph Timothy | Director | Buy | 1,840 | $17,370 |
| 2026-01-05 | Duggan Kerry C | Director | Buy | 929 | $8,770 |
Source: SEC Form 4 filings · as of 2026-07-02