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 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
PERMA FIX ENVIRONMENTAL SERVICES INC: PESI
Price: 3/27/26 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$10.65 $16.50 $6.25 $198 19 126 0.0% 7.0% 52.89% 7.33%
Exch Sector Industry Sub-Industry
NasdaqCM Transportation, Communications, Electric, Gas, And Sanitary Services Electric, Gas, And Sanitary Services Hazardous Waste Management
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#
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
    
 
ZWECKER MARK A
DIR
JB
$12,187
1,520
---
4/1/26
---
$8.02
244,039
0.6
D
---
4/2/26 - 3:05:00 pm
2
    
 
REEDER JOE
DIR
JB
$15,121
1,886
---
4/1/26
---
$8.02
237,887
0.8
D
---
4/2/26 - 10:14:13 am
3
    
 
DUGGAN KERRY C
DIR
JB
$8,450
1,054
---
4/1/26
---
$8.02
6,821
18.3
D
---
4/2/26 - 9:00:32 am
4
    
 
GRUMSKI JOSEPH TIMOTHY
DIR
JB
$16,877
2,105
---
4/1/26
---
$8.02
66,133
3.3
D
---
4/2/26 - 9:00:30 am
5
    
 
BOSTICK THOMAS
DIR
JB
$12,499
1,559
---
4/1/26
---
$8.02
49,397
3.3
D
---
4/2/26 - 9:00:29 am
6
    
 
WAMP ZACH PAUL
DIR
JB
$8,771
1,094
---
4/1/26
---
$8.02
52,624
2.1
D
---
4/2/26 - 9:00:27 am
7
    
 
SHELTON LARRY
DIR
JB
$14,624
1,824
---
4/1/26
---
$8.02
195,218
0.9
D
---
4/2/26 - 9:00:24 am
8
    
 
GRONDIN RICHARD
VP,OO
OS*
$58,734
4,284
---
1/20/26
---
$13.71
37,037
-10.4
D
---
1/21/26 - 9:26:00 am
9
    
 
GRONDIN RICHARD
VP,OO
OE*
$58,725
11,000
---
1/20/26
---
$3.95
43,037
34.3
D
---
1/21/26 - 9:26:00 am
10
    
 
REEDER JOE
DIR
JB
$14,626
1,549
---
1/2/26
---
$9.44
236,001
0.7
D
---
1/6/26 - 1:17:27 pm
11
    
 
BOSTICK THOMAS
DIR
JB
$12,502
1,324
---
1/2/26
---
$9.44
47,838
2.8
D
---
1/5/26 - 2:22:47 pm
12
    
 
WAMP ZACH PAUL
DIR
JB
$9,103
964
---
1/2/26
---
$9.44
51,530
1.9
D
---
1/5/26 - 1:04:44 pm
13
    
 
GRUMSKI JOSEPH TIMOTHY
DIR
JB
$17,374
1,840
---
1/2/26
---
$9.44
64,028
3.0
D
---
1/5/26 - 9:29:30 am
14
    
 
DUGGAN KERRY C
DIR
JB
$8,772
929
---
1/2/26
---
$9.44
5,767
19.2
D
---
1/5/26 - 9:27:55 am
15
    
 
SHELTON LARRY
DIR
JB
$14,947
1,583
---
1/2/26
---
$9.44
193,394
0.8
D
---
1/5/26 - 9:25:01 am
16
    
 
ZWECKER MARK A
DIR
JB
$12,511
1,325
---
1/2/26
---
$9.44
242,519
0.5
D
---
1/5/26 - 9:22:47 am
17
    
 
REEDER JOE
DIR
JS
---
13,956
---
12/15/25
---
---
234,452
-5.6
D
---
12/16/25 - 11:31:27 am
18
    
 
CENTOFANTI LOUIS F
VP,DIR
JS
---
1,200
---
11/17/25
---
---
217,565
-0.5
D
---
2/10/26 - 2:46:50 pm
19
    
 
BOSTICK THOMAS
DIR
JB
$12,999
1,716
---
10/1/25
---
$7.58
46,514
3.8
D
---
10/2/25 - 9:51:16 am
20
    
 
GRUMSKI JOSEPH TIMOTHY
DIR
JB
$16,877
2,228
---
10/1/25
---
$7.58
62,188
3.7
D
---
10/2/25 - 9:00:21 am
21
    
 
ZWECKER MARK A
DIR
JB
$12,188
1,609
---
10/1/25
---
$7.58
241,194
0.7
D
---
10/2/25 - 9:00:19 am
22
    
 
WAMP ZACH PAUL
DIR
JB
$9,098
1,201
---
10/1/25
---
$7.58
50,566
2.4
D
---
10/2/25 - 9:00:18 am
23
    
 
SHELTON LARRY
DIR
JB
$14,627
1,931
---
10/1/25
---
$7.58
191,811
1.0
D
---
10/2/25 - 9:00:16 am
24
    
 
REEDER JOE
DIR
JB
$15,627
2,063
---
10/1/25
---
$7.58
248,408
0.8
D
---
10/2/25 - 9:00:15 am
25
    
 
DUGGAN KERRY C
DIR
JB
$8,772
1,158
---
10/1/25
---
$7.58
4,838
31.5
D
---
10/2/25 - 9:00:14 am
26
    
 
DUGGAN KERRY C
DIR
S
$48,616
5,653
---
9/16/25
---
$8.60
3,680
-60.6
D
---
9/16/25 - 3:30:01 pm
27
1y
21
86%
68%
1
DUFF MARK
PR,CEO,DIR
B
$7,221
897
---
9/11/25
---
$8.05
134,556
0.7
D
---
9/12/25 - 4:06:38 pm
28
1y
8
75%
2%
1
SHELTON LARRY
DIR
B
$8,575
1,000
---
9/11/25
---
$8.58
189,880
0.5
D
---
9/12/25 - 1:02:50 pm
29
1y
8
75%
2%
1
SHELTON LARRY
DIR
B
$9,610
1,000
---
9/9/25
---
$9.61
188,880
0.5
D
---
9/10/25 - 12:52:35 pm
30
1y
8
75%
2%
1
SHELTON LARRY
DIR
OB
$10,056
2,400
---
9/2/25
---
$4.19
187,880
1.3
D
---
9/3/25 - 4:48:52 pm
31
1y
2
50%
19%
1
ZWECKER MARK A
DIR
OB
$10,056
2,400
---
8/28/25
---
$4.19
239,585
1.0
D
---
9/2/25 - 8:30:12 am
32
    
 
GRONDIN RICHARD
VP,OO
OS
$58,728
5,188
---
7/14/25
---
$11.32
30,686
-14.5
D
---
7/15/25 - 4:00:14 pm
33
    
 
GRONDIN RICHARD
VP,OO
OE
$58,725
11,000
---
7/14/25
---
$3.95
36,686
42.8
D
---
7/15/25 - 4:00:14 pm
34
    
 
ZWECKER MARK A
DIR
JB
$12,514
1,586
---
7/1/25
---
$7.89
237,185
0.7
D
---
7/2/25 - 9:00:19 am
35
    
 
SHELTON LARRY
DIR
JB
$14,952
1,895
---
7/1/25
---
$7.89
185,480
1.0
D
---
7/2/25 - 9:00:17 am
36
    
 
DUGGAN KERRY C
DIR
JB
$8,774
1,112
---
7/1/25
---
$7.89
9,333
13.5
D
---
7/2/25 - 9:00:16 am
37
    
 
GRUMSKI JOSEPH TIMOTHY
DIR
JB
$17,374
2,202
---
7/1/25
---
$7.89
59,690
3.8
D
---
7/2/25 - 9:00:14 am
38
    
 
BOSTICK THOMAS
DIR
JB
$12,498
1,584
---
7/1/25
---
$7.89
44,798
3.7
D
---
7/2/25 - 9:00:13 am
39
    
 
REEDER JOE
DIR
JB
$15,622
1,980
---
7/1/25
---
$7.89
246,345
0.8
D
---
7/2/25 - 9:00:11 am
40
    
 
WAMP ZACH PAUL
DIR
JB
$9,097
1,153
---
7/1/25
---
$7.89
49,365
2.4
D
---
7/2/25 - 9:00:09 am
41
    
 
DUGGAN KERRY C
DIR
JS
---
16,634
---
5/30/25
---
---
8,221
-66.9
D
---
6/2/25 - 4:30:32 pm
42
    
 
GRUMSKI JOSEPH TIMOTHY
DIR
JB
$16,875
3,095
---
4/1/25
---
$5.45
57,758
5.7
D
---
4/2/25 - 12:15:58 pm
43
    
 
WAMP ZACH PAUL
DIR
JB
$8,773
1,609
---
4/1/25
---
$5.45
48,212
3.5
D
---
4/2/25 - 9:00:09 am
44
    
 
BOSTICK THOMAS
DIR
JB
$12,503
2,293
---
4/1/25
---
$5.45
43,214
5.6
D
---
4/2/25 - 9:00:06 am
45
    
 
DUGGAN KERRY C
DIR
JB
$8,451
1,550
---
4/1/25
---
$5.45
24,855
6.7
D
---
4/2/25 - 9:00:06 am
46
    
 
ZWECKER MARK A
DIR
JB
$12,186
2,235
---
4/1/25
---
$5.45
235,599
1.0
D
---
4/2/25 - 9:00:05 am
47
    
 
REEDER JOE
DIR
JB
$15,125
2,774
---
4/1/25
---
$5.45
244,365
1.1
D
---
4/2/25 - 9:00:05 am
48
    
 
SHELTON LARRY
DIR
JB
$14,302
2,623
---
4/1/25
---
$5.45
183,585
1.4
D
---
4/2/25 - 9:00:04 am
49
1y
12
83%
56%
1
NACCARATO BEN
CFO
B
$2,800
400
---
3/21/25
---
$7.00
48,811
0.8
D
---
3/24/25 - 12:55:35 pm
50
    
 
SHELTON LARRY
DIR
JB
$14,140
2,000
---
3/21/25
---
$7.07
180,962
1.1
D
---
3/24/25 - 9:42:17 am
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