There have been 50 recent insider transactions recorded for NET Power Inc. (NPWR), including 2 buys and 48 sells. Total insider buying was valued at RSU Award and total insider selling at $10.86M.
Notable insiders with recent activity include 8 Rivers Capital, Llc, Npeh, Llc. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — NPWR
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-03-06 |
8 Rivers Capital, Llc |
10 Percent Owner |
Conversion (Buy) |
3,000,000 |
- |
- |
3,400,000 |
| 2026-03-06 |
Npeh, Llc |
10 Percent Owner |
Conversion (Buy) |
3,000,000 |
- |
- |
3,400,000 |
| 2026-03-03 |
8 Rivers Capital, Llc |
10 Percent Owner |
Informative Sell |
100,000 |
$2.04 |
$204.25K |
400,000 |
| 2026-03-03 |
Npeh, Llc |
10 Percent Owner |
Informative Sell |
100,000 |
$2.04 |
$204.25K |
400,000 |
| 2026-03-02 |
8 Rivers Capital, Llc |
10 Percent Owner |
Informative Sell |
79,858 |
$2.05 |
$163.77K |
500,000 |
| 2026-03-02 |
Npeh, Llc |
10 Percent Owner |
Informative Sell |
79,858 |
$2.05 |
$163.77K |
500,000 |
| 2026-02-27 |
8 Rivers Capital, Llc |
10 Percent Owner |
Informative Sell |
4,744 |
$2.00 |
$9.49K |
579,858 |
| 2026-02-27 |
Npeh, Llc |
10 Percent Owner |
Informative Sell |
4,744 |
$2.00 |
$9.49K |
579,858 |
| 2026-02-26 |
8 Rivers Capital, Llc |
10 Percent Owner |
Informative Sell |
1,881 |
$2.00 |
$3.76K |
584,602 |
| 2026-02-26 |
Npeh, Llc |
10 Percent Owner |
Informative Sell |
1,881 |
$2.00 |
$3.76K |
584,602 |
| 2026-02-20 |
8 Rivers Capital, Llc |
10 Percent Owner |
Informative Sell |
63,517 |
$2.03 |
$129.23K |
586,483 |
| 2026-02-20 |
Npeh, Llc |
10 Percent Owner |
Informative Sell |
63,517 |
$2.03 |
$129.23K |
586,483 |
| 2026-02-19 |
8 Rivers Capital, Llc |
10 Percent Owner |
Informative Sell |
125,000 |
$2.14 |
$267.64K |
650,000 |
| 2026-02-19 |
Npeh, Llc |
10 Percent Owner |
Informative Sell |
125,000 |
$2.14 |
$267.64K |
650,000 |
| 2026-02-18 |
8 Rivers Capital, Llc |
10 Percent Owner |
Informative Sell |
75,000 |
$2.07 |
$155.19K |
775,000 |
| 2026-02-18 |
Npeh, Llc |
10 Percent Owner |
Informative Sell |
75,000 |
$2.07 |
$155.19K |
775,000 |
| 2026-02-13 |
8 Rivers Capital, Llc |
10 Percent Owner |
Informative Sell |
100,000 |
$2.14 |
$214.14K |
850,000 |
| 2026-02-13 |
Npeh, Llc |
10 Percent Owner |
Informative Sell |
100,000 |
$2.14 |
$214.14K |
850,000 |
| 2026-02-12 |
8 Rivers Capital, Llc |
10 Percent Owner |
Informative Sell |
150,000 |
$2.03 |
$304.61K |
950,000 |
| 2026-02-12 |
Npeh, Llc |
10 Percent Owner |
Informative Sell |
150,000 |
$2.03 |
$304.61K |
950,000 |
| 2026-02-11 |
8 Rivers Capital, Llc |
10 Percent Owner |
Informative Sell |
60,000 |
$2.02 |
$121.35K |
1,100,000 |
| 2026-02-11 |
Npeh, Llc |
10 Percent Owner |
Informative Sell |
60,000 |
$2.02 |
$121.35K |
1,100,000 |
| 2026-02-10 |
8 Rivers Capital, Llc |
10 Percent Owner |
Informative Sell |
40,000 |
$2.08 |
$83.21K |
1,160,000 |
| 2026-02-10 |
Npeh, Llc |
10 Percent Owner |
Informative Sell |
40,000 |
$2.08 |
$83.21K |
1,160,000 |
| 2026-01-29 |
8 Rivers Capital, Llc |
10 Percent Owner |
Informative Sell |
54,780 |
$2.35 |
$128.65K |
1,200,000 |
| 2026-01-29 |
Npeh, Llc |
10 Percent Owner |
Informative Sell |
54,780 |
$2.35 |
$128.65K |
1,200,000 |
| 2026-01-28 |
8 Rivers Capital, Llc |
10 Percent Owner |
Informative Sell |
65,220 |
$2.38 |
$155.42K |
1,254,780 |
| 2026-01-28 |
Npeh, Llc |
10 Percent Owner |
Informative Sell |
65,220 |
$2.38 |
$155.42K |
1,254,780 |
| 2026-01-27 |
8 Rivers Capital, Llc |
10 Percent Owner |
Informative Sell |
100,000 |
$2.38 |
$238.37K |
1,320,000 |
| 2026-01-27 |
Npeh, Llc |
10 Percent Owner |
Informative Sell |
100,000 |
$2.38 |
$238.37K |
1,320,000 |
| 2026-01-26 |
8 Rivers Capital, Llc |
10 Percent Owner |
Informative Sell |
130,000 |
$2.35 |
$306.14K |
1,420,000 |
| 2026-01-26 |
Npeh, Llc |
10 Percent Owner |
Informative Sell |
130,000 |
$2.35 |
$306.14K |
1,420,000 |
| 2026-01-16 |
8 Rivers Capital, Llc |
10 Percent Owner |
Informative Sell |
230,000 |
$2.63 |
$605.48K |
1,550,000 |
| 2026-01-16 |
Npeh, Llc |
10 Percent Owner |
Informative Sell |
230,000 |
$2.63 |
$605.48K |
1,550,000 |
| 2026-01-15 |
8 Rivers Capital, Llc |
10 Percent Owner |
Informative Sell |
135,000 |
$2.57 |
$347.19K |
1,780,000 |
| 2026-01-15 |
Npeh, Llc |
10 Percent Owner |
Informative Sell |
135,000 |
$2.57 |
$347.19K |
1,780,000 |
| 2026-01-14 |
8 Rivers Capital, Llc |
10 Percent Owner |
Informative Sell |
135,000 |
$2.74 |
$369.62K |
1,915,000 |
| 2026-01-14 |
Npeh, Llc |
10 Percent Owner |
Informative Sell |
135,000 |
$2.74 |
$369.62K |
1,915,000 |
| 2025-12-24 |
8 Rivers Capital, Llc |
10 Percent Owner |
Informative Sell |
170,000 |
$2.21 |
$375.63K |
2,050,000 |
| 2025-12-24 |
Npeh, Llc |
10 Percent Owner |
Informative Sell |
170,000 |
$2.21 |
$375.63K |
2,050,000 |
| 2025-12-23 |
8 Rivers Capital, Llc |
10 Percent Owner |
Informative Sell |
130,000 |
$2.17 |
$281.66K |
2,220,000 |
| 2025-12-23 |
Npeh, Llc |
10 Percent Owner |
Informative Sell |
130,000 |
$2.17 |
$281.66K |
2,220,000 |
| 2025-12-22 |
8 Rivers Capital, Llc |
10 Percent Owner |
Informative Sell |
100,000 |
$2.26 |
$226.46K |
2,350,000 |
| 2025-12-22 |
Npeh, Llc |
10 Percent Owner |
Informative Sell |
100,000 |
$2.26 |
$226.46K |
2,350,000 |
| 2025-12-19 |
8 Rivers Capital, Llc |
10 Percent Owner |
Informative Sell |
100,000 |
$2.34 |
$234.31K |
2,450,000 |
| 2025-12-19 |
Npeh, Llc |
10 Percent Owner |
Informative Sell |
100,000 |
$2.34 |
$234.31K |
2,450,000 |
| 2025-12-09 |
8 Rivers Capital, Llc |
10 Percent Owner |
Informative Sell |
40,000 |
$2.82 |
$112.94K |
2,550,000 |
| 2025-12-09 |
Npeh, Llc |
10 Percent Owner |
Informative Sell |
40,000 |
$2.82 |
$112.94K |
2,550,000 |
| 2025-12-08 |
8 Rivers Capital, Llc |
10 Percent Owner |
Informative Sell |
140,000 |
$2.81 |
$393.27K |
2,590,000 |
| 2025-12-08 |
Npeh, Llc |
10 Percent Owner |
Informative Sell |
140,000 |
$2.81 |
$393.27K |
2,590,000 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
