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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:
MAMMOTH ENERGY SERVICES INC: TUSK
Price: 6/19/26 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
$3.03 $3.92 $1.72 $146 48 345 0.0% 2.9% 73.14% 2.28%
Exch Sector Industry Sub-Industry
NasdaqGS Mining Oil And Gas Extraction Oil & Gas Field Services, N E C
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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
    
 
JACOBI PAUL M
DIR
JB
---
3,211
---
6/17/26
---
---
31,067
11.5
D
---
6/22/26 - 4:42:32 pm
2
    
 
AMRON ARTHUR H
DIR
JB
---
19,121
---
6/17/26
---
---
86,256
28.5
D
---
6/22/26 - 4:32:31 pm
3
    
 
AMRON ARTHUR H
DIR
JB
---
10,329
---
6/17/26
---
---
10,329
New
I
---
6/22/26 - 4:32:31 pm
4
1y
5
100%
68%
15
WEXFORD CAPITAL LP
DIR,BO
JB*
$10,468,177
4,019,574
---
6/17/26
---
$2.60
10,620,789
60.9
I
---
6/22/26 - 4:26:43 pm
5
    
 
WEXFORD CAPITAL LP
DIR,BO
JB
---
6,354,667
---
6/17/26
---
---
6,601,215
2,577.5
I
---
6/22/26 - 4:26:43 pm
6
    
 
WEXFORD CAPITAL LP
DIR,BO
JB
---
1,072,896
---
6/17/26
---
---
1,451,034
283.7
D
---
6/22/26 - 4:26:43 pm
7
    
 
DAVIDSON CHARLES E
BO
JB
---
4,066,610
---
6/17/26
---
---
4,066,610
New
I
---
6/22/26 - 4:18:46 pm
8
    
 
DAVIDSON CHARLES E
BO
JB
---
2,403,831
---
6/17/26
---
---
2,403,831
New
D
---
6/22/26 - 4:18:46 pm
9
    
 
AMRON ARTHUR H
DIR
B
$14,610
4,500
6/11/26
6/12/26
$3.22
$3.28
67,135
7.2
D
---
6/15/26 - 4:28:48 pm
10
    
 
AMRON ARTHUR H
DIR
B
$17,850
5,500
5/26/26
5/28/26
$3.24
$3.25
62,635
9.6
D
---
5/28/26 - 4:34:09 pm
11
    
 
AMRON ARTHUR H
DIR
B
$18,900
10,000
---
12/11/25
---
$1.89
57,135
21.2
D
---
12/15/25 - 5:04:40 pm
12
1y
4
50%
-17%
3
SMITH ARTHUR L
DIR
S
$50,200
20,000
---
5/22/25
---
$2.51
130,034
-13.3
D
---
5/27/25 - 5:29:24 pm
13
1y
4
50%
-17%
3
SMITH ARTHUR L
DIR
S
$162,850
65,000
5/19/25
5/20/25
$2.49
$2.51
150,034
-30.2
D
---
5/21/25 - 5:35:56 pm
14
    
 
AMRON ARTHUR H
DIR
B
$2,971
1,000
---
12/12/24
---
$2.97
47,135
2.2
D
---
12/16/24 - 5:02:10 pm
15
    
 
BOOKER COREY J
DIR
S
$86,350
25,000
11/22/24
11/25/24
$3.43
$3.47
125,488
-16.6
D
---
11/26/24 - 6:04:41 pm
16
    
 
BOOKER COREY J
DIR
S
$37,854
11,709
11/20/24
11/21/24
$3.21
$3.25
150,488
-7.2
D
---
11/22/24 - 4:03:45 pm
17
    
 
BOOKER COREY J
DIR
S
$38,724
10,707
11/13/24
11/14/24
---
$3.50
162,197
-6.2
D
---
11/15/24 - 4:01:44 pm
18
    
 
BOOKER COREY J
DIR
S
$13,347
3,683
11/7/24
11/11/24
---
$3.61
172,904
-2.1
D
---
11/12/24 - 6:09:42 pm
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