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United States Professional & Commercial Services

Perma-Fix Environmental Services Inc (PESI)

Track

The most recent insider trading activity occurred on September 16, 2025, with a Director proposing a sale and executing a sale. Prior to this, on September 11, 2025, the President and CEO and another executive made purchases. Several other buy transactions by executives were noted in March 2025.
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Ticker: PESI Exchange: NAS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Duggan Kerry C
2 sales — total 100,171 USD
Sale 16 Sep 2025
Value US$3,086,512.20 | Price 459.45 | Shares 80,969
Proposed sale 16 Sep 2025
Value US$3,455,290.64 | Price 478.26 | Shares 66,458
Buy 11 Sep 2025
Value US$408,525.54 | Price 468.74 | Shares 95,694
Buy 11 Sep 2025
Value US$8,575.20 | Price 8.58 | Shares 1,000
Buy 9 Sep 2025
Value US$9,610.10 | Price 9.61 | Shares 1,000
Proposed sale 29 May 2025
Value US$180,146.22 | Price 10.83 | Shares 16,634
Buy 21 Mar 2025
Value US$2,800.00 | Price 7.00 | Shares 400
Buy 21 Mar 2025
Value US$4,582.50 | Price 7.05 | Shares 650
Buy 21 Mar 2025
Value US$4,569.50 | Price 7.03 | Shares 650
Buy 21 Mar 2025
Value US$5,265.00 | Price 7.02 | Shares 750
Buy 18 Mar 2025
Value US$9,922.50 | Price 7.35 | Shares 1,350
Buy 18 Mar 2025
Value US$3,600.00 | Price 7.20 | Shares 500
Buy 18 Mar 2025
Value US$3,550.00 | Price 7.10 | Shares 500
Buy 17 Mar 2025
Value US$7,310.00 | Price 7.31 | Shares 1,000
Buy 4 Sep 2024
Value US$3,482.50 | Price 9.95 | Shares 350
Buy 4 Sep 2024
Value US$4,955.00 | Price 9.91 | Shares 500
Buy 3 Sep 2024
Value US$7,552.50 | Price 10.07 | Shares 750
Buy 3 Sep 2024
Value US$5,240.00 | Price 10.48 | Shares 500
Buy 5 Dec 2023
Value US$16,404.50 | Price 7.63 | Shares 2,150
Buy 1 Dec 2023
Value US$5,250.00 | Price 7.00 | Shares 750
Buy 1 Dec 2023
Value US$5,460.00 | Price 7.28 | Shares 750
Buy 1 Dec 2023
Value US$5,452.50 | Price 7.27 | Shares 750
Buy 1 Dec 2023
Value US$5,302.50 | Price 7.07 | Shares 750
Buy 1 Dec 2023
Value US$14,399.80 | Price 7.20 | Shares 2,000
Sale 26 May 2023
Value US$69,536.15 | Price 11.57 | Shares 6,009
Sale 17 May 2023
Value US$223,509.05 | Price 11.53 | Shares 19,385
Proposed sale 17 May 2023
Value US$290,000.00 | Price 11.42 | Shares 25,394
Buy 22 Dec 2022
Value US$6,426.00 | Price 3.78 | Shares 1,700
Buy 14 Dec 2022
Value US$1,995.25 | Price 3.47 | Shares 575
Buy 8 Dec 2022
Value US$6,760.00 | Price 3.38 | Shares 2,000
Buy 22 Nov 2022
Value US$3,890.00 | Price 3.89 | Shares 1,000
Buy 27 Sep 2022
Value US$2,325.00 | Price 4.65 | Shares 500
Buy 26 Sep 2022
Value US$2,300.00 | Price 4.60 | Shares 500
Buy 9 Sep 2022
Value US$4,890.00 | Price 4.89 | Shares 1,000
Buy 8 Sep 2022
Value US$4,860.00 | Price 4.86 | Shares 1,000
Buy 8 Sep 2022
Value US$4,870.00 | Price 4.87 | Shares 1,000
Buy 7 Sep 2022
Value US$471.00 | Price 4.71 | Shares 100
Buy 7 Sep 2022
Value US$2,365.00 | Price 4.73 | Shares 500
Buy 7 Sep 2022
Value US$944.00 | Price 4.72 | Shares 200
Buy 7 Sep 2022
Value US$945.20 | Price 4.73 | Shares 200
Buy 7 Sep 2022
Value US$9,480.00 | Price 4.74 | Shares 2,000
Buy 7 Sep 2022
Value US$4,750.00 | Price 4.75 | Shares 1,000
Buy 7 Sep 2022
Value US$2,380.00 | Price 4.76 | Shares 500
Buy 16 Jun 2022
Value US$186.85 | Price 5.05 | Shares 37
Buy 13 Jun 2022
Value US$5,330.00 | Price 5.33 | Shares 1,000
Buy 3 Jun 2022
Value US$2,750.00 | Price 5.50 | Shares 500
Buy 12 May 2022
Value US$5,500.00 | Price 5.50 | Shares 1,000
Buy 12 May 2022
Value US$5,163.20 | Price 5.60 | Shares 922
Buy 11 May 2022
Value US$436.80 | Price 5.60 | Shares 78
Buy 20 Dec 2021
Value US$3,900.00 | Price 6.50 | Shares 600
Buy 17 Dec 2021
Value US$241.24 | Price 6.52 | Shares 37
Buy 17 Dec 2021
Value US$6,570.00 | Price 6.57 | Shares 1,000
Buy 15 Dec 2021
Value US$6,810.00 | Price 6.81 | Shares 1,000
Buy 4 Jan 2021
Value US$10,723.61 | Price 4.48 | Shares 2,395
Buy 29 Dec 2020
Value US$2,925.00 | Price 5.85 | Shares 500
Buy 9 Nov 2020
Value US$3,100.00 | Price 6.20 | Shares 500
Buy 9 Nov 2020
Value US$6,300.00 | Price 6.30 | Shares 1,000
Buy 9 Nov 2020
Value US$6,322.80 | Price 6.32 | Shares 1,000
Buy 24 Sep 2020
Value US$3,405.00 | Price 6.81 | Shares 500
Buy 24 Sep 2020
Value US$3,305.00 | Price 6.61 | Shares 500
Buy 12 Aug 2020
Value US$137.00 | Price 6.85 | Shares 20
Buy 11 Aug 2020
Value US$3,460.00 | Price 6.92 | Shares 500
Buy 11 Aug 2020
Value US$5,242.50 | Price 6.99 | Shares 750
Buy 11 Aug 2020
Value US$3,555.00 | Price 7.11 | Shares 500
Buy 11 Aug 2020
Value US$7,010.00 | Price 7.01 | Shares 1,000
Buy 14 May 2020
Value US$599.00 | Price 5.99 | Shares 100
Buy 14 May 2020
Value US$1,308.00 | Price 6.00 | Shares 218
Buy 30 Mar 2020
Value US$2,550.00 | Price 5.10 | Shares 500
Buy 24 Mar 2020
Value US$2,375.00 | Price 4.75 | Shares 500
Buy 24 Mar 2020
Value US$4,750.00 | Price 4.75 | Shares 1,000
Buy 24 Mar 2020
Value US$318.04 | Price 4.75 | Shares 67
Buy 24 Mar 2020
Value US$9,553.80 | Price 4.78 | Shares 2,000
Buy 24 Mar 2020
Value US$4.81 | Price 4.81 | Shares 1
Buy 24 Mar 2020
Value US$1,066.74 | Price 4.83 | Shares 221
Buy 24 Mar 2020
Value US$543.54 | Price 4.90 | Shares 111
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2025-09-16 2025-09-16 S Sale
0.5
Duggan Kerry C
Non-Executive Director
80,969 -16.4%
459.45
US$3,086,512 		80,969 -16.4% 459.45 US$3,086,512
2025-09-15 2025-09-16 PrS Proposed sale
0.5
Duggan Kerry C

Director

Non-Executive Director
66,458
478.26
US$3,455,291 		66,458 478.26 US$3,455,291
2025-09-12 2025-09-11 B Purchase
4.0
Duff Mark

President and CEO

Executive Director
95,694 +11.0%
468.74
US$408,526 		95,694 +11.0% 468.74 US$408,526
2025-09-12 2025-09-11 B Purchase
4.0
Shelton Larry
Non-Executive Director
1,000 +0.5%
8.58
US$8,575 		1,000 +0.5% 8.58 US$8,575
2025-09-10 2025-09-09 B Purchase
4.0
Shelton Larry
Non-Executive Director
1,000 +0.5%
9.61
US$9,610 		1,000 +0.5% 9.61 US$9,610
2025-05-29 2025-05-29 PrS Proposed sale
0.5
Duggan Kerry C

Director

Non-Executive Director
16,634
10.83
US$180,146 		16,634 10.83 US$180,146
2025-03-24 2025-03-21 B Purchase
4.0
Naccarato Ben

Chief Financial Officer

Officer
400 +0.8%
7.00
US$2,800 		400 +0.8% 7.00 US$2,800
2025-03-24 2025-03-21 B Purchase
4.0
Duff Mark

President and CEO

Executive Director
650 +0.5%
7.05
US$4,582 		650 +0.5% 7.05 US$4,582
2025-03-24 2025-03-21 B Purchase
4.0
Duff Mark

President and CEO

Executive Director
650 +0.5%
7.03
US$4,570 		650 +0.5% 7.03 US$4,570
2025-03-24 2025-03-21 B Purchase
4.0
Duff Mark

President and CEO

Executive Director
750 +0.6%
7.02
US$5,265 		750 +0.6% 7.02 US$5,265
2025-03-19 2025-03-18 B Purchase
3.3
Eshleman Troy

Chief Operating Officer

Officer
1,350 +inf%
7.35
US$9,922 		1,350 +inf% 7.35 US$9,922
2025-03-19 2025-03-18 B Purchase
4.0
Duff Mark

President and CEO

Executive Director
500 +0.4%
7.20
US$3,600 		500 +0.4% 7.20 US$3,600
2025-03-19 2025-03-18 B Purchase
4.0
Duff Mark

President and CEO

Executive Director
500 +0.4%
7.10
US$3,550 		500 +0.4% 7.10 US$3,550
2025-03-18 2025-03-17 B Purchase
3.6
CENTOFANTI LOUIS F

EVP of Strategic Initiatives

Executive Director
1,000 +0.5%
7.31
US$7,310 		1,000 +0.5% 7.31 US$7,310
2024-09-05 2024-09-04 B Purchase
4.0
Duff Mark

President and CEO

Executive Director
350 +0.3%
9.95
US$3,482 		350 +0.3% 9.95 US$3,482
2024-09-05 2024-09-04 B Purchase
4.0
Duff Mark

President and CEO

Executive Director
500 +0.4%
9.91
US$4,955 		500 +0.4% 9.91 US$4,955
2024-09-05 2024-09-03 B Purchase
4.0
Duff Mark

President and CEO

Executive Director
750 +0.7%
10.07
US$7,552 		750 +0.7% 10.07 US$7,552
2024-09-05 2024-09-03 B Purchase
4.0
Duff Mark

President and CEO

Executive Director
500 +0.5%
10.48
US$5,240 		500 +0.5% 10.48 US$5,240
2023-12-06 2023-12-05 B Purchase
3.6
Lombardo Andy

EVP of Nuclear & Technical Svc

Officer
2,150 +14.1%
7.63
US$16,404 		2,150 +14.1% 7.63 US$16,404
2023-12-04 2023-12-01 B Purchase
4.0
Duff Mark

President and CEO

Executive Director
750 +0.7%
7.00
US$5,250 		750 +0.7% 7.00 US$5,250
2023-12-04 2023-12-01 B Purchase
4.0
Duff Mark

President and CEO

Executive Director
750 +0.7%
7.28
US$5,460 		750 +0.7% 7.28 US$5,460
2023-12-04 2023-12-01 B Purchase
4.0
Duff Mark

President and CEO

Executive Director
750 +0.7%
7.27
US$5,452 		750 +0.7% 7.27 US$5,452
2023-12-04 2023-12-01 B Purchase
4.0
Duff Mark

President and CEO

Executive Director
750 +0.7%
7.07
US$5,302 		750 +0.7% 7.07 US$5,302
2023-12-04 2023-12-01 B Purchase
4.0
Shelton Larry
Non-Executive Director
2,000 +1.2%
7.20
US$14,400 		2,000 +1.2% 7.20 US$14,400
2023-05-30 2023-05-26 S Sale
2.8
REEDER JOE
Non-Executive Director
6,009 -2.7%
11.57
US$69,536 		6,009 -2.7% 11.57 US$69,536
2023-05-19 2023-05-17 S Sale
2.8
REEDER JOE
Non-Executive Director
19,385 -7.9%
11.53
US$223,509 		19,385 -7.9% 11.53 US$223,509
2023-05-17 2023-05-17 PrS Proposed sale
Joe Reeder

Director

Non-Executive Director
25,394
11.42
US$290,000 		25,394 11.42 US$290,000
2022-12-22 2022-12-22 B Purchase
3.6
CENTOFANTI LOUIS F

EVP of Strategic Initiatives

Executive Director
1,700 +1.0%
3.78
US$6,426 		1,700 +1.0% 3.78 US$6,426
2022-12-14 2022-12-14 B Purchase
4.0
Naccarato Ben

Chief Financial Officer

Officer
575 +15.1%
3.47
US$1,995 		575 +15.1% 3.47 US$1,995
2022-12-08 2022-12-08 B Purchase
3.6
CENTOFANTI LOUIS F

EVP of Strategic Initiatives

Executive Director
2,000 +1.2%
3.38
US$6,760 		2,000 +1.2% 3.38 US$6,760
2022-11-23 2022-11-22 B Purchase
4.0
Duff Mark

President and CEO

Officer
1,000 +2.5%
3.89
US$3,890 		1,000 +2.5% 3.89 US$3,890
2022-09-27 2022-09-27 B Purchase
3.6
CENTOFANTI LOUIS F

EVP of Strategic Initiatives

Executive Director
500 +0.3%
4.65
US$2,325 		500 +0.3% 4.65 US$2,325
2022-09-27 2022-09-26 B Purchase
3.6
CENTOFANTI LOUIS F

EVP of Strategic Initiatives

Executive Director
500 +0.3%
4.60
US$2,300 		500 +0.3% 4.60 US$2,300
2022-09-12 2022-09-09 B Purchase
3.6
CENTOFANTI LOUIS F

EVP of Strategic Initiatives

Executive Director
1,000 +0.6%
4.89
US$4,890 		1,000 +0.6% 4.89 US$4,890
2022-09-12 2022-09-08 B Purchase
3.6
CENTOFANTI LOUIS F

EVP of Strategic Initiatives

Executive Director
1,000 +0.6%
4.86
US$4,860 		1,000 +0.6% 4.86 US$4,860
2022-09-09 2022-09-08 B Purchase
0.6
Grondin Richard

EVP of Waste Treatment Ops

Officer
1,000 +2777.8%
4.87
US$4,870 		1,000 +2777.8% 4.87 US$4,870
2022-09-08 2022-09-07 B Purchase
3.6
Lombardo Andy

EVP of Nuclear & Technical Svc

Officer
100 +1.5%
4.71
US$471 		100 +1.5% 4.71 US$471
2022-09-08 2022-09-07 B Purchase
3.6
Lombardo Andy

EVP of Nuclear & Technical Svc

Officer
500 +7.9%
4.73
US$2,365 		500 +7.9% 4.73 US$2,365
2022-09-08 2022-09-07 B Purchase
3.6
Lombardo Andy

EVP of Nuclear & Technical Svc

Officer
200 +3.3%
4.72
US$944 		200 +3.3% 4.72 US$944
2022-09-08 2022-09-07 B Purchase
3.6
Lombardo Andy

EVP of Nuclear & Technical Svc

Officer
200 +3.4%
4.73
US$945 		200 +3.4% 4.73 US$945
2022-09-07 2022-09-07 B Purchase
3.6
CENTOFANTI LOUIS F

EVP of Strategic Initiatives

Executive Director
2,000 +1.2%
4.74
US$9,480 		2,000 +1.2% 4.74 US$9,480
2022-09-07 2022-09-07 B Purchase
4.0
Duff Mark

President and CEO

Officer
1,000 +2.6%
4.75
US$4,750 		1,000 +2.6% 4.75 US$4,750
2022-09-07 2022-09-07 B Purchase
4.0
Duff Mark

President and CEO

Officer
500 +1.3%
4.76
US$2,380 		500 +1.3% 4.76 US$2,380
2022-06-21 2022-06-16 B Purchase
4.0
Shelton Larry
Non-Executive Director
37 +0.0%
5.05
US$187 		37 +0.0% 5.05 US$187
2022-06-15 2022-06-13 B Purchase
4.0
Shelton Larry
Non-Executive Director
1,000 +0.7%
5.33
US$5,330 		1,000 +0.7% 5.33 US$5,330
2022-06-06 2022-06-03 B Purchase
4.0
Naccarato Ben

Chief Financial Officer

Officer
500 +15.1%
5.50
US$2,750 		500 +15.1% 5.50 US$2,750
2022-05-13 2022-05-12 B Purchase
4.0
Duff Mark

President and CEO

Officer
1,000 +2.7%
5.50
US$5,500 		1,000 +2.7% 5.50 US$5,500
2022-05-13 2022-05-12 B Purchase
4.0
Duff Mark

President and CEO

Officer
922 +2.5%
5.60
US$5,163 		922 +2.5% 5.60 US$5,163
2022-05-13 2022-05-11 B Purchase
4.0
Duff Mark

President and CEO

Officer
78 +0.2%
5.60
US$437 		78 +0.2% 5.60 US$437
2021-12-20 2021-12-20 B Purchase
4.0
Duff Mark

President and CEO

Officer
600 +3.1%
6.50
US$3,900 		600 +3.1% 6.50 US$3,900
2021-12-20 2021-12-17 B Purchase
4.0
Duff Mark

President and CEO

Officer
37 +0.2%
6.52
US$241 		37 +0.2% 6.52 US$241
2021-12-20 2021-12-17 B Purchase
4.0
Duff Mark

President and CEO

Officer
1,000 +5.5%
6.57
US$6,570 		1,000 +5.5% 6.57 US$6,570
2021-12-15 2021-12-15 B Purchase
3.6
CENTOFANTI LOUIS F

EVP of Strategic Initiatives

Executive Director
1,000 +0.6%
6.81
US$6,810 		1,000 +0.6% 6.81 US$6,810
2021-01-05 2021-01-04 B Purchase
4.0
Shelton Larry
Non-Executive Director
2,395 +1.9%
4.48
US$10,724 		2,395 +1.9% 4.48 US$10,724
2020-12-30 2020-12-29 B Purchase
4.0
Duff Mark

President and CEO

Officer
500 +2.8%
5.85
US$2,925 		500 +2.8% 5.85 US$2,925
2020-11-10 2020-11-09 B Purchase
4.0
Duff Mark

President and CEO

Officer
500 +2.9%
6.20
US$3,100 		500 +2.9% 6.20 US$3,100
2020-11-09 2020-11-09 B Purchase
3.6
CENTOFANTI LOUIS F

EVP of Strategic Initiatives

Executive Director
1,000 +0.6%
6.30
US$6,300 		1,000 +0.6% 6.30 US$6,300
2020-11-09 2020-11-09 B Purchase
4.0
Shelton Larry
Non-Executive Director
1,000 +0.8%
6.32
US$6,323 		1,000 +0.8% 6.32 US$6,323
2020-09-24 2020-09-24 B Purchase
3.6
CENTOFANTI LOUIS F

EVP of Strategic Initiatives

Executive Director
500 +0.3%
6.81
US$3,405 		500 +0.3% 6.81 US$3,405
2020-09-24 2020-09-24 B Purchase
3.6
CENTOFANTI LOUIS F

EVP of Strategic Initiatives

Executive Director
500 +0.3%
6.61
US$3,305 		500 +0.3% 6.61 US$3,305
2020-08-13 2020-08-12 B Purchase
4.0
Duff Mark

President and CEO

Officer
20 +0.1%
6.85
US$137 		20 +0.1% 6.85 US$137
2020-08-13 2020-08-11 B Purchase
4.0
Duff Mark

President and CEO

Officer
500 +3.0%
6.92
US$3,460 		500 +3.0% 6.92 US$3,460
2020-08-13 2020-08-11 B Purchase
4.0
Duff Mark

President and CEO

Officer
750 +4.7%
6.99
US$5,242 		750 +4.7% 6.99 US$5,242
2020-08-13 2020-08-11 B Purchase
4.0
Duff Mark

President and CEO

Officer
500 +3.2%
7.11
US$3,555 		500 +3.2% 7.11 US$3,555
2020-08-12 2020-08-11 B Purchase
3.6
CENTOFANTI LOUIS F

EVP of Strategic Initiatives

Executive Director
1,000 +0.6%
7.01
US$7,010 		1,000 +0.6% 7.01 US$7,010
2020-05-18 2020-05-14 B Purchase
4.0
Naccarato Ben

Chief Financial Officer

Officer
100 +3.1%
5.99
US$599 		100 +3.1% 5.99 US$599
2020-05-18 2020-05-14 B Purchase
4.0
Naccarato Ben

Chief Financial Officer

Officer
218 +7.3%
6.00
US$1,308 		218 +7.3% 6.00 US$1,308
2020-03-31 2020-03-30 B Purchase
4.0
Duff Mark

President and CEO

Officer
500 +3.3%
5.10
US$2,550 		500 +3.3% 5.10 US$2,550
2020-03-24 2020-03-24 B Purchase
4.0
Naccarato Ben

Chief Financial Officer

Officer
500 +20.0%
4.75
US$2,375 		500 +20.0% 4.75 US$2,375
2020-03-24 2020-03-24 B Purchase
3.6
CENTOFANTI LOUIS F

EVP of Strategic Initiatives

Executive Director
1,000 +0.6%
4.75
US$4,750 		1,000 +0.6% 4.75 US$4,750
2020-03-24 2020-03-24 B Purchase
3.6
Lombardo Andy
67 +1.1%
4.75
US$318 		67 +1.1% 4.75 US$318
2020-03-24 2020-03-24 B Purchase
3.6
Lombardo Andy
2,000 +52.2%
4.78
US$9,554 		2,000 +52.2% 4.78 US$9,554
2020-03-24 2020-03-24 B Purchase
3.6
Lombardo Andy
1 +0.0%
4.81
US$5 		1 +0.0% 4.81 US$5
2020-03-24 2020-03-24 B Purchase
3.6
Lombardo Andy
221 +6.1%
4.83
US$1,067 		221 +6.1% 4.83 US$1,067
2020-03-24 2020-03-24 B Purchase
3.6
Lombardo Andy
111 +3.2%
4.90
US$544 		111 +3.2% 4.90 US$544
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