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United States Machinery, Equipment & Components

NET Power Inc (NPWR)

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Over the last 90 days, NET Power Inc. has seen significant insider selling, with a net value of -$2,121,423. The total number of insider transactions was 4, all of which were sales. This activity occurred following the company's last earnings report, which showed a significant miss.
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Ticker: NPWR Exchange: NYS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
NPEH, LLC
1 sale — total 85,152 USD
Sale 13 May 2026
Value US$3,452,903.30 | Price 456.42 | Shares 12,003
Sale 13 May 2026
Value US$4,907,954.35 | Price 173.82 | Shares 14,834
Sale 12 May 2026
Value US$975,560.00 | Price 2.44 | Shares 400,000
Sale 12 May 2026
Value US$975,560.00 | Price 2.44 | Shares 400,000
Sale 3 Mar 2026
Value US$204,250.00 | Price 2.04 | Shares 100,000
Sale 3 Mar 2026
Value US$204,250.00 | Price 2.04 | Shares 100,000
Sale 2 Mar 2026
Value US$163,772.79 | Price 2.05 | Shares 79,858
Sale 2 Mar 2026
Value US$163,772.79 | Price 2.05 | Shares 79,858
Sale 27 Feb 2026
Value US$9,489.42 | Price 2.00 | Shares 4,744
Sale 27 Feb 2026
Value US$9,489.42 | Price 2.00 | Shares 4,744
Sale 26 Feb 2026
Value US$3,762.00 | Price 2.00 | Shares 1,881
Sale 26 Feb 2026
Value US$3,762.00 | Price 2.00 | Shares 1,881
Sale 20 Feb 2026
Value US$129,231.69 | Price 2.03 | Shares 63,517
Sale 20 Feb 2026
Value US$129,231.69 | Price 2.03 | Shares 63,517
Sale 19 Feb 2026
Value US$267,637.50 | Price 2.14 | Shares 125,000
Sale 19 Feb 2026
Value US$267,637.50 | Price 2.14 | Shares 125,000
Sale 18 Feb 2026
Value US$155,190.00 | Price 2.07 | Shares 75,000
Sale 18 Feb 2026
Value US$155,190.00 | Price 2.07 | Shares 75,000
Sale 13 Feb 2026
Value US$214,140.00 | Price 2.14 | Shares 100,000
Sale 13 Feb 2026
Value US$214,140.00 | Price 2.14 | Shares 100,000
Sale 12 Feb 2026
Value US$304,605.00 | Price 2.03 | Shares 150,000
Sale 12 Feb 2026
Value US$304,605.00 | Price 2.03 | Shares 150,000
Sale 11 Feb 2026
Value US$121,350.00 | Price 2.02 | Shares 60,000
Sale 11 Feb 2026
Value US$121,350.00 | Price 2.02 | Shares 60,000
Sale 10 Feb 2026
Value US$83,212.00 | Price 2.08 | Shares 40,000
Sale 10 Feb 2026
Value US$83,212.00 | Price 2.08 | Shares 40,000
Sale 29 Jan 2026
Value US$128,650.83 | Price 2.35 | Shares 54,780
Sale 29 Jan 2026
Value US$128,650.83 | Price 2.35 | Shares 54,780
Sale 28 Jan 2026
Value US$155,419.26 | Price 2.38 | Shares 65,220
Sale 28 Jan 2026
Value US$155,419.26 | Price 2.38 | Shares 65,220
Sale 27 Jan 2026
Value US$238,370.00 | Price 2.38 | Shares 100,000
Sale 27 Jan 2026
Value US$238,370.00 | Price 2.38 | Shares 100,000
Sale 26 Jan 2026
Value US$306,137.00 | Price 2.35 | Shares 130,000
Sale 26 Jan 2026
Value US$306,137.00 | Price 2.35 | Shares 130,000
Sale 16 Jan 2026
Value US$605,475.00 | Price 2.63 | Shares 230,000
Sale 16 Jan 2026
Value US$605,475.00 | Price 2.63 | Shares 230,000
Sale 15 Jan 2026
Value US$347,193.00 | Price 2.57 | Shares 135,000
Sale 15 Jan 2026
Value US$347,193.00 | Price 2.57 | Shares 135,000
Sale 14 Jan 2026
Value US$369,616.50 | Price 2.74 | Shares 135,000
Sale 14 Jan 2026
Value US$369,616.50 | Price 2.74 | Shares 135,000
Sale 24 Dec 2025
Value US$375,632.00 | Price 2.21 | Shares 170,000
Sale 24 Dec 2025
Value US$375,632.00 | Price 2.21 | Shares 170,000
Sale 23 Dec 2025
Value US$281,658.00 | Price 2.17 | Shares 130,000
Sale 23 Dec 2025
Value US$281,658.00 | Price 2.17 | Shares 130,000
Sale 22 Dec 2025
Value US$226,460.00 | Price 2.26 | Shares 100,000
Sale 22 Dec 2025
Value US$226,460.00 | Price 2.26 | Shares 100,000
Sale 19 Dec 2025
Value US$234,310.00 | Price 2.34 | Shares 100,000
Sale 19 Dec 2025
Value US$234,310.00 | Price 2.34 | Shares 100,000
Sale 9 Dec 2025
Value US$112,940.00 | Price 2.82 | Shares 40,000
Sale 9 Dec 2025
Value US$112,940.00 | Price 2.82 | Shares 40,000
Sale 8 Dec 2025
Value US$393,274.00 | Price 2.81 | Shares 140,000
Sale 8 Dec 2025
Value US$393,274.00 | Price 2.81 | Shares 140,000
Sale 5 Dec 2025
Value US$305,172.00 | Price 2.91 | Shares 105,000
Sale 5 Dec 2025
Value US$305,172.00 | Price 2.91 | Shares 105,000
Sale 4 Dec 2025
Value US$191,256.00 | Price 2.94 | Shares 65,000
Sale 4 Dec 2025
Value US$191,256.00 | Price 2.94 | Shares 65,000
Sale 28 Nov 2025
Value US$587,080.00 | Price 2.94 | Shares 200,000
Sale 28 Nov 2025
Value US$587,080.00 | Price 2.94 | Shares 200,000
Sale 21 Nov 2025
Value US$42,928.10 | Price 2.50 | Shares 17,163
Sale 21 Nov 2025
Value US$42,928.10 | Price 2.50 | Shares 17,163
Sale 20 Nov 2025
Value US$344,990.97 | Price 2.60 | Shares 132,837
Sale 20 Nov 2025
Value US$344,990.97 | Price 2.60 | Shares 132,837
Sale 19 Nov 2025
Value US$642,000.00 | Price 2.57 | Shares 250,000
Sale 19 Nov 2025
Value US$642,000.00 | Price 2.57 | Shares 250,000
Sale 17 Nov 2025
Value US$951,479.47 | Price 2.81 | Shares 338,653
Sale 17 Nov 2025
Value US$951,479.47 | Price 2.81 | Shares 338,653
Sale 3 Nov 2025
Value US$33,929.19 | Price 4.00 | Shares 8,477
Sale 3 Nov 2025
Value US$33,929.19 | Price 4.00 | Shares 8,477
Sale 31 Oct 2025
Value US$73,418.71 | Price 4.05 | Shares 18,116
Sale 31 Oct 2025
Value US$73,418.71 | Price 4.05 | Shares 18,116
Sale 31 Oct 2025
Value US$73,418.71 | Price 4.05 | Shares 18,116
Sale 30 Oct 2025
Value US$435,067.55 | Price 4.04 | Shares 107,754
Sale 30 Oct 2025
Value US$435,067.55 | Price 4.04 | Shares 107,754
Sale 29 Oct 2025
Value US$3,239,072.61 | Price 4.12 | Shares 786,832
Sale 29 Oct 2025
Value US$3,239,072.61 | Price 4.12 | Shares 786,832
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-05-14 2026-05-13 S Sale
3.9
NPEH, LLC
Large shareholder
12,003 +1.9%
456.42
US$3,452,903 		12,003 +1.9% 456.42 US$3,452,903
2026-05-14 2026-05-13 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
14,834 -5.9%
173.82
US$4,907,954 		14,834 -5.9% 173.82 US$4,907,954
2026-05-14 2026-05-12 S Sale
3.9
NPEH, LLC
Large shareholder
76,212 +7.8%
209.77
US$4,977,721 		76,212 +7.8% 209.77 US$4,977,721
2026-05-14 2026-05-12 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
400,000 -11.8%
2.44
US$975,560 		400,000 -11.8% 2.44 US$975,560
2026-03-05 2026-03-03 S Sale
3.9
NPEH, LLC
Large shareholder
100,000 -20.0%
2.04
US$204,250 		100,000 -20.0% 2.04 US$204,250
2026-03-05 2026-03-03 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
100,000 -20.0%
2.04
US$204,250 		100,000 -20.0% 2.04 US$204,250
2026-03-02 2026-03-02 S Sale
3.9
NPEH, LLC
Large shareholder
79,858 -13.8%
2.05
US$163,773 		79,858 -13.8% 2.05 US$163,773
2026-03-02 2026-03-02 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
79,858 -13.8%
2.05
US$163,773 		79,858 -13.8% 2.05 US$163,773
2026-03-02 2026-02-27 S Sale
3.9
NPEH, LLC
Large shareholder
4,744 -0.8%
2.00
US$9,489 		4,744 -0.8% 2.00 US$9,489
2026-03-02 2026-02-27 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
4,744 -0.8%
2.00
US$9,489 		4,744 -0.8% 2.00 US$9,489
2026-03-02 2026-02-26 S Sale
3.9
NPEH, LLC
Large shareholder
1,881 -0.3%
2.00
US$3,762 		1,881 -0.3% 2.00 US$3,762
2026-03-02 2026-02-26 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
1,881 -0.3%
2.00
US$3,762 		1,881 -0.3% 2.00 US$3,762
2026-02-23 2026-02-20 S Sale
3.9
NPEH, LLC
Large shareholder
63,517 -9.8%
2.03
US$129,232 		63,517 -9.8% 2.03 US$129,232
2026-02-23 2026-02-20 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
63,517 -9.8%
2.03
US$129,232 		63,517 -9.8% 2.03 US$129,232
2026-02-23 2026-02-19 S Sale
3.9
NPEH, LLC
Large shareholder
125,000 -16.1%
2.14
US$267,638 		125,000 -16.1% 2.14 US$267,638
2026-02-23 2026-02-19 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
125,000 -16.1%
2.14
US$267,638 		125,000 -16.1% 2.14 US$267,638
2026-02-18 2026-02-18 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
75,000 -8.8%
2.07
US$155,190 		75,000 -8.8% 2.07 US$155,190
2026-02-18 2026-02-18 S Sale
3.9
NPEH, LLC
Large shareholder
75,000 -8.8%
2.07
US$155,190 		75,000 -8.8% 2.07 US$155,190
2026-02-18 2026-02-13 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
100,000 -10.5%
2.14
US$214,140 		100,000 -10.5% 2.14 US$214,140
2026-02-18 2026-02-13 S Sale
3.9
NPEH, LLC
Large shareholder
100,000 -10.5%
2.14
US$214,140 		100,000 -10.5% 2.14 US$214,140
2026-02-12 2026-02-12 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
150,000 -13.6%
2.03
US$304,605 		150,000 -13.6% 2.03 US$304,605
2026-02-12 2026-02-12 S Sale
3.9
NPEH, LLC
Large shareholder
150,000 -13.6%
2.03
US$304,605 		150,000 -13.6% 2.03 US$304,605
2026-02-12 2026-02-11 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
60,000 -5.2%
2.02
US$121,350 		60,000 -5.2% 2.02 US$121,350
2026-02-12 2026-02-11 S Sale
3.9
NPEH, LLC
Large shareholder
60,000 -5.2%
2.02
US$121,350 		60,000 -5.2% 2.02 US$121,350
2026-02-12 2026-02-10 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
40,000 -3.3%
2.08
US$83,212 		40,000 -3.3% 2.08 US$83,212
2026-02-12 2026-02-10 S Sale
3.9
NPEH, LLC
Large shareholder
40,000 -3.3%
2.08
US$83,212 		40,000 -3.3% 2.08 US$83,212
2026-02-02 2026-01-29 S Sale
3.9
NPEH, LLC
Large shareholder
54,780 -4.4%
2.35
US$128,651 		54,780 -4.4% 2.35 US$128,651
2026-02-02 2026-01-29 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
54,780 -4.4%
2.35
US$128,651 		54,780 -4.4% 2.35 US$128,651
2026-01-28 2026-01-28 S Sale
3.9
NPEH, LLC
Large shareholder
65,220 -4.9%
2.38
US$155,419 		65,220 -4.9% 2.38 US$155,419
2026-01-28 2026-01-28 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
65,220 -4.9%
2.38
US$155,419 		65,220 -4.9% 2.38 US$155,419
2026-01-28 2026-01-27 S Sale
3.9
NPEH, LLC
Large shareholder
100,000 -7.0%
2.38
US$238,370 		100,000 -7.0% 2.38 US$238,370
2026-01-28 2026-01-27 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
100,000 -7.0%
2.38
US$238,370 		100,000 -7.0% 2.38 US$238,370
2026-01-28 2026-01-26 S Sale
3.9
NPEH, LLC
Large shareholder
130,000 -8.4%
2.35
US$306,137 		130,000 -8.4% 2.35 US$306,137
2026-01-28 2026-01-26 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
130,000 -8.4%
2.35
US$306,137 		130,000 -8.4% 2.35 US$306,137
2026-01-16 2026-01-16 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
230,000 -12.9%
2.63
US$605,475 		230,000 -12.9% 2.63 US$605,475
2026-01-16 2026-01-16 S Sale
3.9
NPEH, LLC
Large shareholder
230,000 -12.9%
2.63
US$605,475 		230,000 -12.9% 2.63 US$605,475
2026-01-16 2026-01-15 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
135,000 -7.0%
2.57
US$347,193 		135,000 -7.0% 2.57 US$347,193
2026-01-16 2026-01-15 S Sale
3.9
NPEH, LLC
Large shareholder
135,000 -7.0%
2.57
US$347,193 		135,000 -7.0% 2.57 US$347,193
2026-01-16 2026-01-14 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
135,000 -6.6%
2.74
US$369,616 		135,000 -6.6% 2.74 US$369,616
2026-01-16 2026-01-14 S Sale
3.9
NPEH, LLC
Large shareholder
135,000 -6.6%
2.74
US$369,616 		135,000 -6.6% 2.74 US$369,616
2025-12-29 2025-12-24 S Sale
3.9
NPEH, LLC
Large shareholder
170,000 -7.7%
2.21
US$375,632 		170,000 -7.7% 2.21 US$375,632
2025-12-29 2025-12-24 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
170,000 -7.7%
2.21
US$375,632 		170,000 -7.7% 2.21 US$375,632
2025-12-23 2025-12-23 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
130,000 -5.5%
2.17
US$281,658 		130,000 -5.5% 2.17 US$281,658
2025-12-23 2025-12-23 S Sale
3.9
NPEH, LLC
Large shareholder
130,000 -5.5%
2.17
US$281,658 		130,000 -5.5% 2.17 US$281,658
2025-12-23 2025-12-22 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
100,000 -4.1%
2.26
US$226,460 		100,000 -4.1% 2.26 US$226,460
2025-12-23 2025-12-22 S Sale
3.9
NPEH, LLC
Large shareholder
100,000 -4.1%
2.26
US$226,460 		100,000 -4.1% 2.26 US$226,460
2025-12-23 2025-12-19 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
100,000 -3.9%
2.34
US$234,310 		100,000 -3.9% 2.34 US$234,310
2025-12-23 2025-12-19 S Sale
3.9
NPEH, LLC
Large shareholder
100,000 -3.9%
2.34
US$234,310 		100,000 -3.9% 2.34 US$234,310
2025-12-11 2025-12-09 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
40,000 -1.5%
2.82
US$112,940 		40,000 -1.5% 2.82 US$112,940
2025-12-11 2025-12-09 S Sale
3.9
NPEH, LLC
Large shareholder
40,000 -1.5%
2.82
US$112,940 		40,000 -1.5% 2.82 US$112,940
2025-12-08 2025-12-08 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
140,000 -5.1%
2.81
US$393,274 		140,000 -5.1% 2.81 US$393,274
2025-12-08 2025-12-08 S Sale
3.9
NPEH, LLC
Large shareholder
140,000 -5.1%
2.81
US$393,274 		140,000 -5.1% 2.81 US$393,274
2025-12-08 2025-12-05 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
105,000 -3.7%
2.91
US$305,172 		105,000 -3.7% 2.91 US$305,172
2025-12-08 2025-12-05 S Sale
3.9
NPEH, LLC
Large shareholder
105,000 -3.7%
2.91
US$305,172 		105,000 -3.7% 2.91 US$305,172
2025-12-08 2025-12-04 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
65,000 -2.2%
2.94
US$191,256 		65,000 -2.2% 2.94 US$191,256
2025-12-08 2025-12-04 S Sale
3.9
NPEH, LLC
Large shareholder
65,000 -2.2%
2.94
US$191,256 		65,000 -2.2% 2.94 US$191,256
2025-12-02 2025-11-28 S Sale
3.9
NPEH, LLC
Large shareholder
200,000 -6.5%
2.94
US$587,080 		200,000 -6.5% 2.94 US$587,080
2025-12-02 2025-11-28 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
200,000 -6.5%
2.94
US$587,080 		200,000 -6.5% 2.94 US$587,080
2025-11-24 2025-11-21 S Sale
3.9
NPEH, LLC
Large shareholder
17,163 -0.6%
2.50
US$42,928 		17,163 -0.6% 2.50 US$42,928
2025-11-24 2025-11-21 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
17,163 -0.6%
2.50
US$42,928 		17,163 -0.6% 2.50 US$42,928
2025-11-24 2025-11-20 S Sale
3.9
NPEH, LLC
Large shareholder
132,837 -4.1%
2.60
US$344,991 		132,837 -4.1% 2.60 US$344,991
2025-11-24 2025-11-20 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
132,837 -4.1%
2.60
US$344,991 		132,837 -4.1% 2.60 US$344,991
2025-11-19 2025-11-19 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
250,000 -7.1%
2.57
US$642,000 		250,000 -7.1% 2.57 US$642,000
2025-11-19 2025-11-19 S Sale
3.9
NPEH, LLC
Large shareholder
250,000 -7.1%
2.57
US$642,000 		250,000 -7.1% 2.57 US$642,000
2025-11-19 2025-11-17 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
338,653 -8.8%
2.81
US$951,479 		338,653 -8.8% 2.81 US$951,479
2025-11-19 2025-11-17 S Sale
3.9
NPEH, LLC
Large shareholder
338,653 -8.8%
2.81
US$951,479 		338,653 -8.8% 2.81 US$951,479
2025-11-04 2025-11-03 S Sale
3.9
NPEH, LLC
Large shareholder
8,477 -0.5%
4.00
US$33,929 		8,477 -0.5% 4.00 US$33,929
2025-11-04 2025-11-03 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
8,477 -0.5%
4.00
US$33,929 		8,477 -0.5% 4.00 US$33,929
2025-11-04 2025-10-31 S Sale
3.9
NPEH, LLC
Large shareholder
18,116 -1.0%
4.05
US$73,419 		18,116 -1.0% 4.05 US$73,419
2025-11-04 2025-10-31 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
18,116 -1.0%
4.05
US$73,419 		18,116 -1.0% 4.05 US$73,419
2025-11-04 2025-10-31 S Sale
3.3
Beauchamp Cynda
Large shareholder
18,116 -1.0%
4.05
US$73,419 		18,116 -1.0% 4.05 US$73,419
2025-10-30 2025-10-30 S Sale
3.9
NPEH, LLC
Large shareholder
107,754 -5.5%
4.04
US$435,068 		107,754 -5.5% 4.04 US$435,068
2025-10-30 2025-10-30 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
107,754 -5.5%
4.04
US$435,068 		107,754 -5.5% 4.04 US$435,068
2025-10-30 2025-10-29 S Sale
3.9
NPEH, LLC
Large shareholder
786,832 -28.5%
4.12
US$3,239,073 		786,832 -28.5% 4.12 US$3,239,073
2025-10-30 2025-10-29 S Sale
3.7
8 Rivers Capital, LLC
Large shareholder
786,832 -28.5%
4.12
US$3,239,073 		786,832 -28.5% 4.12 US$3,239,073
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