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Net Power Inc.

NPWR Net selling
CIK 0001845437 #4134 in the set updated 17 Sep 2026
Bought (12 mo)
$0.00
out of their own pocket, the only kind of buying there is
Sold (12 mo)
$43.87M
$0.00 on a plan · $67.86K straight out of an exercise
Sold at will
$43.80M
131 of 133 sales
Net
−$43.87M
−$43.80M against sales at will

By person

7 insiders · 133 transactions

There is no salary here to measure against. Net Power Inc.'s chief executive is paid a token, so dividing a holding by it says nothing.

Which is why this company is in neither direction of the chief executive filter on the transactions page. A stake that cannot be expressed as a multiple is not the same thing as a small one.

Insider
Role
Bought
Sold
Net
Holding
Worth
Change
8 Rivers Capital, LLC entity
10% owner
$21.90M (66)
−$21.90M
19,479,880
$35.85M
−37.3%
NPEH, LLC entity
10% owner
$21.90M (66)
−$21.90M
18,479,880
$34.01M
−37.5%
Beauchamp Cynda
10% owner
$73.42K (1)
−$73.42K
0
$0.00
−100.0%
PATEL AKASH S.
Chief Financial Officer
640,448
$1.18M
−5.8%
Kelliher Joseph T
Director
30,103
$55.40K
Rosser Kelly
Chief Accounting Officer
2,531
$4.66K
SK INC. entity
10% owner
0
$0.00
−100.0%

No percentages here. These insiders hold more than one class of share between them, and the share count on file covers one of them rather than all. Dividing the two would compare different things.

Insider
Date
Role
Action
Shares
Price
Amount
NPEH, LLC
9 Sep 2026
10% owner
Sell
150,000
$1.84
$276.08K
8 Rivers Capital, LLC
9 Sep 2026
10% owner
Sell indirect
150,000
$1.84
$276.08K
NPEH, LLC
8 Sep 2026
10% owner
Sell
100,000
$1.94
$193.52K
8 Rivers Capital, LLC
8 Sep 2026
10% owner
Sell indirect
100,000
$1.94
$193.52K
8 Rivers Capital, LLC
26 Aug 2026
10% owner
Sell indirect
41,350
$1.91
$79.08K
NPEH, LLC
26 Aug 2026
10% owner
Sell
41,350
$1.91
$79.08K
8 Rivers Capital, LLC
25 Aug 2026
10% owner
Sell indirect
201,550
$1.91
$384.26K
NPEH, LLC
25 Aug 2026
10% owner
Sell
201,550
$1.91
$384.26K
8 Rivers Capital, LLC
14 Aug 2026
10% owner
Sell indirect
507,100
$1.95
$990.52K
NPEH, LLC
14 Aug 2026
10% owner
Sell
507,100
$1.95
$990.52K
8 Rivers Capital, LLC
13 Aug 2026
10% owner
Sell indirect
200,000
$1.62
$323.84K
NPEH, LLC
13 Aug 2026
10% owner
Sell
200,000
$1.62
$323.84K
8 Rivers Capital, LLC
12 Aug 2026
10% owner
Sell indirect
50,000
$1.63
$81.58K
NPEH, LLC
12 Aug 2026
10% owner
Sell
50,000
$1.63
$81.58K
8 Rivers Capital, LLC
11 Aug 2026
10% owner
Sell indirect
35,000
$1.60
$55.99K
NPEH, LLC
11 Aug 2026
10% owner
Sell
35,000
$1.60
$55.99K
8 Rivers Capital, LLC
10 Aug 2026
10% owner
Sell indirect
55,400
$1.55
$86.07K
NPEH, LLC
10 Aug 2026
10% owner
Sell
55,400
$1.55
$86.07K
8 Rivers Capital, LLC
7 Aug 2026
10% owner
Sell indirect
60,345
$1.53
$92.08K
NPEH, LLC
7 Aug 2026
10% owner
Sell
60,345
$1.53
$92.08K
NPEH, LLC
6 Aug 2026
10% owner
Sell
89,255
$1.51
$134.44K
8 Rivers Capital, LLC
6 Aug 2026
10% owner
Sell indirect
89,255
$1.51
$134.44K
NPEH, LLC
5 Aug 2026
10% owner
Sell
140,000
$1.51
$211.46K
8 Rivers Capital, LLC
5 Aug 2026
10% owner
Sell indirect
140,000
$1.51
$211.46K
NPEH, LLC
4 Aug 2026
10% owner
Sell
120,000
$1.54
$184.73K
8 Rivers Capital, LLC
4 Aug 2026
10% owner
Sell indirect
120,000
$1.54
$184.73K
8 Rivers Capital, LLC
30 Jul 2026
10% owner
Sell indirect
155,000
$1.43
$221.40K
NPEH, LLC
30 Jul 2026
10% owner
Sell
155,000
$1.43
$221.40K
8 Rivers Capital, LLC
29 Jul 2026
10% owner
Sell indirect
45,000
$1.41
$63.33K
NPEH, LLC
29 Jul 2026
10% owner
Sell
45,000
$1.41
$63.33K
8 Rivers Capital, LLC
28 Jul 2026
10% owner
Sell indirect
55,858
$1.47
$82.23K
NPEH, LLC
28 Jul 2026
10% owner
Sell
55,858
$1.47
$82.23K
NPEH, LLC
23 Jul 2026
10% owner
Sell
39,142
$1.51
$58.97K
8 Rivers Capital, LLC
23 Jul 2026
10% owner
Sell indirect
39,142
$1.51
$58.97K
NPEH, LLC
22 Jul 2026
10% owner
Sell
90,000
$1.53
$137.32K
8 Rivers Capital, LLC
22 Jul 2026
10% owner
Sell indirect
90,000
$1.53
$137.32K
NPEH, LLC
21 Jul 2026
10% owner
Sell
80,000
$1.53
$122.40K
8 Rivers Capital, LLC
21 Jul 2026
10% owner
Sell indirect
80,000
$1.53
$122.40K
8 Rivers Capital, LLC
13 May 2026
10% owner
Sell indirect
35,000
$2.43
$85.15K
NPEH, LLC
13 May 2026
10% owner
Sell
35,000
$2.43
$85.15K
8 Rivers Capital, LLC
12 May 2026
10% owner
Sell indirect
400,000
$2.44
$975.56K
NPEH, LLC
12 May 2026
10% owner
Sell
400,000
$2.44
$975.56K
8 Rivers Capital, LLC
3 Mar 2026
10% owner
Sell indirect
100,000
$2.04
$204.25K
NPEH, LLC
3 Mar 2026
10% owner
Sell
100,000
$2.04
$204.25K
8 Rivers Capital, LLC
2 Mar 2026
10% owner
Sell indirect
79,858
$2.05
$163.77K
NPEH, LLC
2 Mar 2026
10% owner
Sell
79,858
$2.05
$163.77K
8 Rivers Capital, LLC
27 Feb 2026
10% owner
Sell indirect
4,744
$2.00
$9.49K
NPEH, LLC
27 Feb 2026
10% owner
Sell
4,744
$2.00
$9.49K
8 Rivers Capital, LLC
26 Feb 2026
10% owner
Sell indirect
1,881
$2.00
$3.76K
NPEH, LLC
26 Feb 2026
10% owner
Sell
1,881
$2.00
$3.76K
8 Rivers Capital, LLC
20 Feb 2026
10% owner
Sell indirect
63,517
$2.03
$129.23K
NPEH, LLC
20 Feb 2026
10% owner
Sell
63,517
$2.03
$129.23K
8 Rivers Capital, LLC
19 Feb 2026
10% owner
Sell indirect
125,000
$2.14
$267.64K
NPEH, LLC
19 Feb 2026
10% owner
Sell
125,000
$2.14
$267.64K
NPEH, LLC
18 Feb 2026
10% owner
Sell
75,000
$2.07
$155.19K
8 Rivers Capital, LLC
18 Feb 2026
10% owner
Sell indirect
75,000
$2.07
$155.19K
NPEH, LLC
13 Feb 2026
10% owner
Sell
100,000
$2.14
$214.14K
8 Rivers Capital, LLC
13 Feb 2026
10% owner
Sell indirect
100,000
$2.14
$214.14K
NPEH, LLC
12 Feb 2026
10% owner
Sell
150,000
$2.03
$304.61K
8 Rivers Capital, LLC
12 Feb 2026
10% owner
Sell indirect
150,000
$2.03
$304.61K
NPEH, LLC
11 Feb 2026
10% owner
Sell
60,000
$2.02
$121.35K
8 Rivers Capital, LLC
11 Feb 2026
10% owner
Sell indirect
60,000
$2.02
$121.35K
NPEH, LLC
10 Feb 2026
10% owner
Sell
40,000
$2.08
$83.21K
8 Rivers Capital, LLC
10 Feb 2026
10% owner
Sell indirect
40,000
$2.08
$83.21K
8 Rivers Capital, LLC
29 Jan 2026
10% owner
Sell indirect
54,780
$2.35
$128.65K
NPEH, LLC
29 Jan 2026
10% owner
Sell
54,780
$2.35
$128.65K
NPEH, LLC
28 Jan 2026
10% owner
Sell
65,220
$2.38
$155.42K
8 Rivers Capital, LLC
28 Jan 2026
10% owner
Sell indirect
65,220
$2.38
$155.42K
NPEH, LLC
27 Jan 2026
10% owner
Sell
100,000
$2.38
$238.37K
8 Rivers Capital, LLC
27 Jan 2026
10% owner
Sell indirect
100,000
$2.38
$238.37K
NPEH, LLC
26 Jan 2026
10% owner
Sell
130,000
$2.35
$306.14K
8 Rivers Capital, LLC
26 Jan 2026
10% owner
Sell indirect
130,000
$2.35
$306.14K
NPEH, LLC
16 Jan 2026
10% owner
Sell
230,000
$2.63
$605.48K
8 Rivers Capital, LLC
16 Jan 2026
10% owner
Sell indirect
230,000
$2.63
$605.48K
NPEH, LLC
15 Jan 2026
10% owner
Sell
135,000
$2.57
$347.19K
8 Rivers Capital, LLC
15 Jan 2026
10% owner
Sell indirect
135,000
$2.57
$347.19K
NPEH, LLC
14 Jan 2026
10% owner
Sell
135,000
$2.74
$369.62K
8 Rivers Capital, LLC
14 Jan 2026
10% owner
Sell indirect
135,000
$2.74
$369.62K
8 Rivers Capital, LLC
24 Dec 2025
10% owner
Sell indirect
170,000
$2.21
$375.63K
NPEH, LLC
24 Dec 2025
10% owner
Sell
170,000
$2.21
$375.63K
8 Rivers Capital, LLC
23 Dec 2025
10% owner
Sell indirect
130,000
$2.17
$281.66K
NPEH, LLC
23 Dec 2025
10% owner
Sell
130,000
$2.17
$281.66K
8 Rivers Capital, LLC
22 Dec 2025
10% owner
Sell indirect
100,000
$2.26
$226.46K
NPEH, LLC
22 Dec 2025
10% owner
Sell
100,000
$2.26
$226.46K
8 Rivers Capital, LLC
19 Dec 2025
10% owner
Sell indirect
100,000
$2.34
$234.31K
NPEH, LLC
19 Dec 2025
10% owner
Sell
100,000
$2.34
$234.31K
8 Rivers Capital, LLC
9 Dec 2025
10% owner
Sell indirect
40,000
$2.82
$112.94K
NPEH, LLC
9 Dec 2025
10% owner
Sell
40,000
$2.82
$112.94K
8 Rivers Capital, LLC
8 Dec 2025
10% owner
Sell indirect
140,000
$2.81
$393.27K
NPEH, LLC
8 Dec 2025
10% owner
Sell
140,000
$2.81
$393.27K
8 Rivers Capital, LLC
5 Dec 2025
10% owner
Sell indirect
105,000
$2.91
$305.17K
NPEH, LLC
5 Dec 2025
10% owner
Sell
105,000
$2.91
$305.17K
8 Rivers Capital, LLC
4 Dec 2025
10% owner
Sell indirect
65,000
$2.94
$191.26K
NPEH, LLC
4 Dec 2025
10% owner
Sell
65,000
$2.94
$191.26K
NPEH, LLC
28 Nov 2025
10% owner
Sell
200,000
$2.94
$587.08K
8 Rivers Capital, LLC
28 Nov 2025
10% owner
Sell indirect
200,000
$2.94
$587.08K
8 Rivers Capital, LLC
21 Nov 2025
10% owner
Sell indirect
17,163
$2.50
$42.93K
NPEH, LLC
21 Nov 2025
10% owner
Sell
17,163
$2.50
$42.93K
8 Rivers Capital, LLC
20 Nov 2025
10% owner
Sell indirect
132,837
$2.60
$344.99K
NPEH, LLC
20 Nov 2025
10% owner
Sell
132,837
$2.60
$344.99K
8 Rivers Capital, LLC
19 Nov 2025
10% owner
Sell indirect
250,000
$2.57
$642.00K
NPEH, LLC
19 Nov 2025
10% owner
Sell
250,000
$2.57
$642.00K
8 Rivers Capital, LLC
17 Nov 2025
10% owner
Sell indirect
338,653
$2.81
$951.48K
NPEH, LLC
17 Nov 2025
10% owner
Sell
338,653
$2.81
$951.48K
Beauchamp Cynda
31 Oct 2025
10% owner
Sell indirect
18,116
$4.05
$73.42K
NPEH, LLC
31 Oct 2025
10% owner
Sell
18,116
$4.05
$73.42K
8 Rivers Capital, LLC
31 Oct 2025
10% owner
Sell indirect
18,116
$4.05
$73.42K
8 Rivers Capital, LLC
30 Oct 2025
10% owner
Sell indirect
107,754
$4.04
$435.07K
NPEH, LLC
30 Oct 2025
10% owner
Sell
107,754
$4.04
$435.07K
8 Rivers Capital, LLC
29 Oct 2025
10% owner
Sell indirect
786,832
$4.12
$3.24M
NPEH, LLC
29 Oct 2025
10% owner
Sell
786,832
$4.12
$3.24M
8 Rivers Capital, LLC
28 Oct 2025
10% owner
Sell indirect
7,585
$3.77
$28.59K
NPEH, LLC
28 Oct 2025
10% owner
Sell
7,585
$3.77
$28.59K
8 Rivers Capital, LLC
27 Oct 2025
10% owner
Sell indirect
200,000
$3.77
$753.24K
NPEH, LLC
27 Oct 2025
10% owner
Sell
200,000
$3.77
$753.24K
8 Rivers Capital, LLC
24 Oct 2025
10% owner
Sell indirect
32,583
$3.70
$120.68K
NPEH, LLC
24 Oct 2025
10% owner
Sell
32,583
$3.70
$120.68K
8 Rivers Capital, LLC
23 Oct 2025
10% owner
Sell indirect
284,100
$3.69
$1.05M
NPEH, LLC
23 Oct 2025
10% owner
Sell
284,100
$3.69
$1.05M
NPEH, LLC
22 Oct 2025
10% owner
Sell
89,000
$3.31
$294.33K
8 Rivers Capital, LLC
22 Oct 2025
10% owner
Sell indirect
89,000
$3.31
$294.33K
NPEH, LLC
21 Oct 2025
10% owner
Sell
189,300
$3.53
$668.36K
8 Rivers Capital, LLC
21 Oct 2025
10% owner
Sell indirect
189,300
$3.53
$668.36K
NPEH, LLC
20 Oct 2025
10% owner
Sell
201,000
$3.58
$719.26K
8 Rivers Capital, LLC
20 Oct 2025
10% owner
Sell indirect
201,000
$3.58
$719.26K
8 Rivers Capital, LLC
16 Oct 2025
10% owner
Sell indirect
13,959
$4.71
$65.69K
NPEH, LLC
16 Oct 2025
10% owner
Sell
13,959
$4.71
$65.69K
8 Rivers Capital, LLC
15 Oct 2025
10% owner
Sell indirect
122,641
$4.88
$598.32K
8 Rivers Capital, LLC
15 Oct 2025
10% owner
Sell indirect
100,000
$4.83
$483.21K
NPEH, LLC
15 Oct 2025
10% owner
Sell
122,641
$4.88
$598.32K
NPEH, LLC
15 Oct 2025
10% owner
Sell
100,000
$4.83
$483.21K

What was left out

Form 4 filings counted 63
Amendments (4/A) skipped 2
Filings about a different issuer 0
Unreadable filings 0
Joint filings 29
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 2
Sales at will 131
Transactions with no price 0
Shares from compensation/vesting 60,864,090
History held since 12 Jun 2023