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Transaction Types Key To InsiderInsights' Infobase
 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
NET POWER INC: NPWR
Price: 12/20/24 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
$9.60 $14.28 $6.57 $722 75 632 0.0% 7.0% 86.44% 13.08%
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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
    
 
8 RIVERS CAPITAL LLC
BO
JB
---
500,000
---
9/3/24
---
---
500,000
New
I
---
9/6/24 - 9:28:36 pm
2
    
 
KELLIHER JOSEPH T
DIR
JB
---
2,658
---
7/1/24
---
---
9,294
40.1
D
---
7/3/24 - 4:00:23 pm
3
    
 
ALEXANDER RALPH
DIR
JB
---
15,369
---
6/4/24
---
---
36,813
71.7
D
R
6/6/24 - 4:14:05 pm
4
    
 
KELLIHER JOSEPH T
DIR
JB
---
15,369
---
6/4/24
---
---
36,813
71.7
D
R
6/6/24 - 4:12:24 pm
5
    
 
PETERSON CAROL R
DIR
JB
---
15,369
---
6/4/24
---
---
36,813
71.7
D
R
6/6/24 - 4:08:55 pm
6
    
 
VELTMANN ALEJANDRA
DIR
JB
---
15,369
---
6/4/24
---
---
36,813
71.7
D
R
6/6/24 - 4:07:12 pm
7
    
 
SK INC
BO
JS*
$25,100,000
2,500,000
---
5/23/24
---
$10.04
2,500,000
-50.0
I
---
5/28/24 - 1:28:48 pm
8
    
 
ROSSER KELLY
CAO
3
---
---
---
5/8/24
---
---
35,973
---
D
R
5/16/24 - 4:45:02 pm
9
    
 
PATEL AKASH S
CFO
JB
---
351,184
---
4/2/24
---
---
351,184
New
D
R
4/4/24 - 4:11:58 pm
10
    
 
ALLEN BRIAN F
COO,PR
JB
---
449,077
---
4/2/24
---
---
449,077
New
D
R
4/4/24 - 4:11:07 pm
11
    
 
KELLIHER JOSEPH T
DIR
JB
---
2,294
---
4/1/24
---
---
6,636
52.8
D
---
4/3/24 - 4:34:22 pm
12
    
 
KELLIHER JOSEPH T
DIR
JB
---
2,587
---
1/2/24
---
---
4,342
147.4
D
---
1/4/24 - 4:23:57 pm
13
    
 
KELLIHER JOSEPH T
DIR
JB
---
1,755
---
10/2/23
---
---
1,755
New
D
---
10/4/23 - 4:10:12 pm
14
    
 
MAHON JAMES
GC,SEC
S
$474,191
31,394
9/12/23
9/13/23
$15.04
$15.12
---
All
D
---
9/14/23 - 4:36:48 pm
15
    
 
MAHON JAMES
GC,SEC
S
$616,514
40,000
9/8/23
9/11/23
---
$15.11
31,394
-56.0
D
---
9/12/23 - 4:15:50 pm
16
    
 
MAHON JAMES
GC,SEC
S
$435,381
28,606
9/6/23
9/7/23
---
$15.21
71,394
-28.6
D
---
9/8/23 - 4:43:46 pm
17
    
 
VELTMANN ALEJANDRA
DIR
JB
---
21,444
---
9/1/23
---
---
21,444
New
D
R
9/5/23 - 4:20:56 pm
18
    
 
ALEXANDER RALPH
DIR
JB
---
21,444
---
9/1/23
---
---
21,444
New
D
R
9/5/23 - 4:20:16 pm
19
    
 
PETERSON CAROL R
DIR
JB
---
21,444
---
9/1/23
---
---
21,444
New
D
R
9/5/23 - 4:17:41 pm
20
    
 
HEFFINGER BRANDON
O
S
$494,569
34,858
---
9/1/23
---
$14.19
---
All
D
---
9/5/23 - 4:16:46 pm
21
    
 
KELLIHER JOSEPH T
DIR
JB
---
21,444
---
9/1/23
---
---
21,444
New
D
R
9/5/23 - 4:15:51 pm
22
    
 
HEFFINGER BRANDON
O
S
$1,632,884
115,142
8/30/23
8/31/23
---
$13.93
34,858
-76.8
D
---
9/1/23 - 4:12:47 pm
23
    
 
MAHON JAMES
GC,SEC
JS
---
100,000
---
8/29/23
---
---
593,028
-14.4
D
---
8/31/23 - 4:31:24 pm
24
    
 
MAHON JAMES
GC,SEC
JB
---
100,000
---
8/29/23
---
---
100,000
New
D
---
8/31/23 - 4:31:24 pm
25
    
 
HEFFINGER BRANDON
O
JS
---
150,000
---
8/28/23
---
---
214,559
-41.1
D
---
8/30/23 - 4:03:26 pm
26
    
 
HEFFINGER BRANDON
O
JB
---
150,000
---
8/28/23
---
---
150,000
New
D
---
8/30/23 - 4:03:26 pm
27
    
 
HEFFINGER BRANDON
O
S
$421,878
27,771
---
8/21/23
---
$15.19
---
All
D
---
8/23/23 - 4:04:20 pm
28
    
 
HEFFINGER BRANDON
O
S
$1,849,112
122,229
8/17/23
8/18/23
$14.80
$15.39
27,771
-81.5
D
---
8/21/23 - 5:11:42 pm
29
    
 
HEFFINGER BRANDON
O
JS
---
150,000
---
8/9/23
---
---
364,559
-29.2
D
---
8/11/23 - 4:30:19 pm
30
    
 
HEFFINGER BRANDON
O
JB
---
150,000
---
8/9/23
---
---
150,000
New
D
---
8/11/23 - 4:30:19 pm
31
    
 
DERHAM KYLE
DIR
JB
---
286,320
---
6/30/23
---
---
1,676,668
20.6
I
---
6/30/23 - 5:23:31 pm
32
    
 
DERHAM KYLE
DIR
JB
---
1,390,348
---
6/30/23
---
---
1,390,348
New
D
---
6/30/23 - 5:23:31 pm
33
    
 
RICE ACQUISITION SPONSOR II LLC
BO
JS
---
7,537,500
---
6/30/23
---
---
---
All
D
---
6/30/23 - 5:22:12 pm
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