PESI
insider transactionsPERMA FIX ENVIRONMENTAL SERVICES INC — buys & sells by directors, officers and 10% owners A shareholder owning more than 10% of the company. Must report trades, but usually a weaker signal than an officer or director. (SEC Form 4).
Cluster buy signal: Multiple insiders at the same company buying around the same time — often a stronger signal than a single buy. 2 different insiders made open-market purchases in the last 365 days, totalling $25.4K.
Net shares · 365d
-2.8K
2.9K buy · 5.7K sell
Net value · 365d
-$23.2K
$25.4K in · $48.6K out
Sentiment · 365d
Net selling
34% buying · 66% selling
Open-market trades · 365d
4
2.9K buy · 5.7K sell
Net buy / sell volume
Not enough data to chart yet.
Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
All transactions
-
Grant·A
Director
$12.2K
1.5K sh · $8.02
Own +1%
-
Grant·A
Director
$15.1K
1.9K sh · $8.02
Own +1%
-
Grant·A
Director
$8.8K
1.1K sh · $8.02
Own +2%
-
Grant·A
Director
$14.6K
1.8K sh · $8.02
Own +1%
-
Grant·A
Director
$16.9K
2.1K sh · $8.02
Own +3%
-
Grant·A
Director
$8.5K
1.1K sh · $8.02
Own +18%
-
Grant·A
Director
$12.5K
1.6K sh · $8.02
Own +3%
-
Exercise·M
EVP of Hanford & Int. Waste Op
$0
6.0K sh
Own +100%
-
Exercise·M
EVP of Hanford & Int. Waste Op
$0
5.0K sh
Own New
-
Exercise·M
EVP of Hanford & Int. Waste Op
$35.0K
5.0K sh · $7.01
Own +14%
-
Other·F
EVP of Hanford & Int. Waste Op
$35.0K
2.6K sh · $13.71
Own -6%
-
Exercise·M
EVP of Hanford & Int. Waste Op
$23.7K
6.0K sh · $3.95
Own +16%
-
Other·F
EVP of Hanford & Int. Waste Op
$23.7K
1.7K sh · $13.71
Own -4%
-
Grant·A
Director
$12.5K
1.3K sh · $9.44
Own +1%
-
Grant·A
Director
$14.9K
1.6K sh · $9.44
Own +1%
-
Grant·A
Director
$9.1K
964 sh · $9.44
Own +2%
-
Grant·A
Director
$8.8K
929 sh · $9.44
Own +19%
-
Grant·A
Director
$17.4K
1.8K sh · $9.44
Own +3%
-
Grant·A
Director
$12.5K
1.3K sh · $9.44
Own +3%
-
Grant·A
Director
$14.6K
1.5K sh · $9.44
Own +1%
-
Other·G
Director
$0
1.1K sh
Own -0%
-
Other·G
Director
$0
11.0K sh
Own -4%
-
Other·G
Director
$0
364 sh
Own -0%
-
Other·G
Director
$0
727 sh
Own -0%
-
Other·G
Director
$0
727 sh
Own -0%
-
Other·G
EVP of Strategic Initiatives
$0
600 sh
Own -0%
-
Other·G
EVP of Strategic Initiatives
$0
600 sh
Own -0%
-
Grant·A
Director
$12.2K
1.6K sh · $7.58
Own +1%
-
Grant·A
Director
$14.6K
1.9K sh · $7.58
Own +1%
-
Grant·A
Director
$16.9K
2.2K sh · $7.58
Own +4%
-
Grant·A
Director
$13.0K
1.7K sh · $7.58
Own +4%
-
Grant·A
Director
$15.6K
2.1K sh · $7.58
Own +1%
-
Grant·A
Director
$9.1K
1.2K sh · $7.58
Own +2%
-
Grant·A
Director
$8.8K
1.2K sh · $7.58
Own +31%
-
Sell·S
Director
$48.6K
5.7K sh · $8.60
Own -61%
-
Buy·P
Duff Mark KEY
President and CEO
$7.2K
897 sh · $8.05
Own +1%
-
Buy·P
Director
$8.6K
1.0K sh · $8.58
Own +1%
-
Buy·P
Director
$9.6K
1.0K sh · $9.61
Own +1%
-
Exercise·M
Director
$0
2.4K sh
Own New
-
Exercise·M
Director
$10.1K
2.4K sh · $4.19
Own +1%
-
Exercise·M
Director
$0
2.4K sh
Own New
-
Exercise·M
Director
$10.1K
2.4K sh · $4.19
Own +1%
-
Grant·A
Director
$0
10.0K sh
Own New
-
Grant·A
Director
$0
10.0K sh
Own New
-
Grant·A
Director
$0
10.0K sh
Own New
-
Grant·A
Director
$0
10.0K sh
Own New
-
Grant·A
Director
$0
10.0K sh
Own New
-
Grant·A
Director
$0
10.0K sh
Own New
-
Grant·A
Director
$0
10.0K sh
Own New
-
Exercise·M
EVP of Hanford & Int. Waste Op
$0
5.0K sh
Own +100%
-
Exercise·M
EVP of Hanford & Int. Waste Op
$0
6.0K sh
Own +50%
-
Other·F
EVP of Hanford & Int. Waste Op
$35.0K
3.1K sh · $11.32
Own -9%
-
Exercise·M
EVP of Hanford & Int. Waste Op
$23.7K
6.0K sh · $3.95
Own +20%
-
Other·F
EVP of Hanford & Int. Waste Op
$23.7K
2.1K sh · $11.32
Own -6%
-
Exercise·M
EVP of Hanford & Int. Waste Op
$35.0K
5.0K sh · $7.01
Own +17%
-
Grant·A
Director
$8.8K
1.1K sh · $7.89
Own +14%
-
Grant·A
Director
$12.5K
1.6K sh · $7.89
Own +4%
-
Grant·A
Director
$17.4K
2.2K sh · $7.89
Own +4%
-
Grant·A
Director
$15.6K
2.0K sh · $7.89
Own +1%
-
Grant·A
Director
$15.0K
1.9K sh · $7.89
Own +1%
-
Grant·A
Director
$12.5K
1.6K sh · $7.89
Own +1%
-
Grant·A
Director
$9.1K
1.2K sh · $7.89
Own +2%
| Date▾ | Insider | Type | Shares | Value |
|---|---|---|---|---|
| Apr 1, 2026 | ZWECKER MARK A | Grant A | 1.5K | $12.2K |
| Apr 1, 2026 | REEDER JOE | Grant A | 1.9K | $15.1K |
| Apr 1, 2026 | Wamp Zach Paul | Grant A | 1.1K | $8.8K |
| Apr 1, 2026 | Shelton Larry | Grant A | 1.8K | $14.6K |
| Apr 1, 2026 | Grumski Joseph Timothy | Grant A | 2.1K | $16.9K |
| Apr 1, 2026 | Duggan Kerry C | Grant A | 1.1K | $8.5K |
| Apr 1, 2026 | Bostick Thomas | Grant A | 1.6K | $12.5K |
| Jan 20, 2026 | Grondin Richard | Exercise M | 6.0K | $0 |
| Jan 20, 2026 | Grondin Richard | Exercise M | 5.0K | $0 |
| Jan 20, 2026 | Grondin Richard | Exercise M | 5.0K | $35.0K |
| Jan 20, 2026 | Grondin Richard | Other F | 2.6K | $35.0K |
| Jan 20, 2026 | Grondin Richard | Exercise M | 6.0K | $23.7K |
| Jan 20, 2026 | Grondin Richard | Other F | 1.7K | $23.7K |
| Jan 2, 2026 | ZWECKER MARK A | Grant A | 1.3K | $12.5K |
| Jan 2, 2026 | Shelton Larry | Grant A | 1.6K | $14.9K |
| Jan 2, 2026 | Wamp Zach Paul | Grant A | 964 | $9.1K |
| Jan 2, 2026 | Duggan Kerry C | Grant A | 929 | $8.8K |
| Jan 2, 2026 | Grumski Joseph Timothy | Grant A | 1.8K | $17.4K |
| Jan 2, 2026 | Bostick Thomas | Grant A | 1.3K | $12.5K |
| Jan 2, 2026 | REEDER JOE | Grant A | 1.5K | $14.6K |
| Dec 15, 2025 | REEDER JOE | Other G | 1.1K | $0 |
| Dec 15, 2025 | REEDER JOE | Other G | 11.0K | $0 |
| Dec 15, 2025 | REEDER JOE | Other G | 364 | $0 |
| Dec 15, 2025 | REEDER JOE | Other G | 727 | $0 |
| Dec 15, 2025 | REEDER JOE | Other G | 727 | $0 |
| Nov 17, 2025 | CENTOFANTI LOUIS F | Other G | 600 | $0 |
| Nov 17, 2025 | CENTOFANTI LOUIS F | Other G | 600 | $0 |
| Oct 1, 2025 | ZWECKER MARK A | Grant A | 1.6K | $12.2K |
| Oct 1, 2025 | Shelton Larry | Grant A | 1.9K | $14.6K |
| Oct 1, 2025 | Grumski Joseph Timothy | Grant A | 2.2K | $16.9K |
| Oct 1, 2025 | Bostick Thomas | Grant A | 1.7K | $13.0K |
| Oct 1, 2025 | REEDER JOE | Grant A | 2.1K | $15.6K |
| Oct 1, 2025 | Wamp Zach Paul | Grant A | 1.2K | $9.1K |
| Oct 1, 2025 | Duggan Kerry C | Grant A | 1.2K | $8.8K |
| Sep 16, 2025 | Duggan Kerry C | Sell S | 5.7K | $48.6K |
| Sep 11, 2025 | Duff Mark KEY | Buy P | 897 | $7.2K |
| Sep 11, 2025 | Shelton Larry | Buy P | 1.0K | $8.6K |
| Sep 9, 2025 | Shelton Larry | Buy P | 1.0K | $9.6K |
| Sep 2, 2025 | Shelton Larry | Exercise M | 2.4K | $0 |
| Sep 2, 2025 | Shelton Larry | Exercise M | 2.4K | $10.1K |
| Aug 28, 2025 | ZWECKER MARK A | Exercise M | 2.4K | $0 |
| Aug 28, 2025 | ZWECKER MARK A | Exercise M | 2.4K | $10.1K |
| Jul 24, 2025 | Wamp Zach Paul | Grant A | 10.0K | $0 |
| Jul 24, 2025 | Shelton Larry | Grant A | 10.0K | $0 |
| Jul 24, 2025 | Duggan Kerry C | Grant A | 10.0K | $0 |
| Jul 24, 2025 | REEDER JOE | Grant A | 10.0K | $0 |
| Jul 24, 2025 | Bostick Thomas | Grant A | 10.0K | $0 |
| Jul 24, 2025 | ZWECKER MARK A | Grant A | 10.0K | $0 |
| Jul 24, 2025 | Grumski Joseph Timothy | Grant A | 10.0K | $0 |
| Jul 14, 2025 | Grondin Richard | Exercise M | 5.0K | $0 |
| Jul 14, 2025 | Grondin Richard | Exercise M | 6.0K | $0 |
| Jul 14, 2025 | Grondin Richard | Other F | 3.1K | $35.0K |
| Jul 14, 2025 | Grondin Richard | Exercise M | 6.0K | $23.7K |
| Jul 14, 2025 | Grondin Richard | Other F | 2.1K | $23.7K |
| Jul 14, 2025 | Grondin Richard | Exercise M | 5.0K | $35.0K |
| Jul 1, 2025 | Duggan Kerry C | Grant A | 1.1K | $8.8K |
| Jul 1, 2025 | Bostick Thomas | Grant A | 1.6K | $12.5K |
| Jul 1, 2025 | Grumski Joseph Timothy | Grant A | 2.2K | $17.4K |
| Jul 1, 2025 | REEDER JOE | Grant A | 2.0K | $15.6K |
| Jul 1, 2025 | Shelton Larry | Grant A | 1.9K | $15.0K |
| Jul 1, 2025 | ZWECKER MARK A | Grant A | 1.6K | $12.5K |
| Jul 1, 2025 | Wamp Zach Paul | Grant A | 1.2K | $9.1K |
About PESI insider trading
This page tracks insider transactions for PERMA FIX ENVIRONMENTAL SERVICES INC (PESI) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.