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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:
NPK INTERNATIONAL INC: NPKI
Price: 3/6/26 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
$13.56 $15.96 $4.76 $1,146 85 705 0.0% 1.3% 90.86% 4.06%
Exch Sector Industry Sub-Industry
NYSE Services Business Services Services- Miscellaneous Equipment Rental & Leasing
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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
    
 
FRUGE MARY CELESTE
VP,GC
OS
$149,303
11,193
---
3/6/26
---
$13.34
265,213
-4.0
D
10b
3/10/26 - 4:29:24 pm
2
    
 
FRUGE MARY CELESTE
VP,GC
OE
$48,354
11,193
---
3/6/26
---
$4.32
276,406
4.2
D
10b
3/10/26 - 4:29:24 pm
3
1y
6
67%
-6%
1
PIONTEK GREGG
VP,CFO
OS
$1,528,056
108,590
---
3/4/26
---
$14.02
884,326
-10.9
D
10b
3/5/26 - 5:50:16 pm
4
    
 
PIONTEK GREGG
VP,CFO
OE
$317,909
73,590
---
3/4/26
---
$4.32
992,916
8.0
D
10b
3/5/26 - 5:50:16 pm
5
6m
1
0%
40%
3
LEWIS MICHAEL A
DIR
AS
$28,796
2,013
---
2/23/26
---
$14.31
131,333
-1.5
D
10b
2/25/26 - 5:00:55 pm
6
6m
1
0%
40%
3
LEWIS MICHAEL A
DIR
AS
$24,156
2,013
---
11/24/25
---
$12.00
133,346
-1.5
D
10b
11/25/25 - 5:25:26 pm
7
    
 
LANIGAN MATTHEW
PR,CEO,DIR
JS
---
770,249
---
10/3/25
---
---
325,664
-70.3
D
---
10/6/25 - 8:19:43 pm
8
    
 
BRIGGS LORI
VP,PR
AS
$116,352
10,108
---
10/1/25
---
$11.51
242,513
-4.0
D
10b
10/3/25 - 4:19:18 pm
9
1y
2
50%
-1%
1
LANIGAN MATTHEW
PR,CEO,DIR
OS
$10,380
1,000
---
9/3/25
---
$10.38
1,095,913
-0.1
D
10b
9/4/25 - 7:31:11 pm
10
    
 
LANIGAN MATTHEW
PR,CEO,DIR
OE
$4,320
1,000
---
9/3/25
---
$4.32
1,096,913
0.1
D
10b
9/4/25 - 7:31:11 pm
11
6m
1
0%
40%
3
LEWIS MICHAEL A
DIR
AS
$20,797
2,013
---
8/25/25
---
$10.33
135,359
-1.5
D
10b
8/26/25 - 5:22:20 pm
12
1y
2
50%
-1%
1
LANIGAN MATTHEW
PR,CEO,DIR
OS
$712,536
68,896
---
8/22/25
---
$10.34
1,095,913
-5.9
D
10b
8/26/25 - 5:22:03 pm
13
    
 
LANIGAN MATTHEW
PR,CEO,DIR
OE
$297,631
68,896
---
8/22/25
---
$4.32
1,164,809
6.3
D
10b
8/26/25 - 5:22:03 pm
14
    
 
BRIGGS LORI
VP,PR
AS
$76,148
8,005
---
8/11/25
---
$9.51
252,621
-3.1
D
10b
8/12/25 - 6:32:20 pm
15
    
 
BRIGGS LORI
VP,PR
AS
$68,584
8,005
---
7/9/25
---
$8.57
260,626
-3.0
D
10b
7/10/25 - 4:12:40 pm
16
    
 
FRUGE MARY CELESTE
VP,GC
JB
---
17,274
---
6/1/25
---
---
265,213
7.0
D
A,R
1/21/26 - 4:40:59 pm
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