Net Power Inc. (NPWR): Congress and insider trades
Who in Congress and inside the company traded NPWR, when each filing appeared, and what buying after each one would have earned against the S&P 500.
Key Facts
- Net Power Inc. (NPWR) is a listed stock on NYSE.
- Insiders filed 0 open market buys worth $0 and 38 sells worth $7.6M, the latest filed 2026-09-10 (10 September 2026).
- Data as of 2026-09-29 (29 September 2026).
Insider trades in NPWR
as of 2026-09-10| Filed | Insider | Type | Shares | Price | Value | 90 day vs S&P |
|---|---|---|---|---|---|---|
| 10 Sep 2026 | NPEH, LLC | sell | 150,000 | $1.84 | $276K | n/a |
| 10 Sep 2026 | 8 Rivers Capital, LLC | sell | 150,000 | $1.84 | $276K | n/a |
| 10 Sep 2026 | 8 Rivers Capital, LLC | sell | 100,000 | $1.94 | $194K | n/a |
| 10 Sep 2026 | NPEH, LLC | sell | 100,000 | $1.94 | $194K | n/a |
| 27 Aug 2026 | 8 Rivers Capital, LLC | sell | 201,550 | $1.91 | $384K | n/a |
| 27 Aug 2026 | NPEH, LLC | sell | 201,550 | $1.91 | $384K | n/a |
| 27 Aug 2026 | 8 Rivers Capital, LLC | sell | 41,350 | $1.91 | $79.1K | n/a |
| 27 Aug 2026 | NPEH, LLC | sell | 41,350 | $1.91 | $79.1K | n/a |
| 14 Aug 2026 | NPEH, LLC | sell | 200,000 | $1.62 | $324K | n/a |
| 14 Aug 2026 | 8 Rivers Capital, LLC | sell | 507,100 | $1.95 | $991K | n/a |
| 14 Aug 2026 | 8 Rivers Capital, LLC | sell | 50,000 | $1.63 | $81.6K | n/a |
| 14 Aug 2026 | NPEH, LLC | sell | 507,100 | $1.95 | $991K | n/a |
| 14 Aug 2026 | 8 Rivers Capital, LLC | sell | 200,000 | $1.62 | $324K | n/a |
| 14 Aug 2026 | NPEH, LLC | sell | 50,000 | $1.63 | $81.6K | n/a |
| 11 Aug 2026 | 8 Rivers Capital, LLC | sell | 35,000 | $1.60 | $56.0K | n/a |
| 11 Aug 2026 | 8 Rivers Capital, LLC | sell | 60,345 | $1.53 | $92.1K | n/a |
| 11 Aug 2026 | NPEH, LLC | sell | 55,400 | $1.55 | $86.1K | n/a |
| 11 Aug 2026 | 8 Rivers Capital, LLC | sell | 55,400 | $1.55 | $86.1K | n/a |
| 11 Aug 2026 | NPEH, LLC | sell | 35,000 | $1.60 | $56.0K | n/a |
| 11 Aug 2026 | NPEH, LLC | sell | 60,345 | $1.53 | $92.1K | n/a |
| 6 Aug 2026 | 8 Rivers Capital, LLC | sell | 140,000 | $1.51 | $211K | n/a |
| 6 Aug 2026 | 8 Rivers Capital, LLC | sell | 120,000 | $1.54 | $185K | n/a |
| 6 Aug 2026 | 8 Rivers Capital, LLC | sell | 89,255 | $1.51 | $134K | n/a |
| 6 Aug 2026 | NPEH, LLC | sell | 140,000 | $1.51 | $211K | n/a |
| 6 Aug 2026 | NPEH, LLC | sell | 120,000 | $1.54 | $185K | n/a |
| 6 Aug 2026 | NPEH, LLC | sell | 89,255 | $1.51 | $134K | n/a |
| 30 Jul 2026 | NPEH, LLC | sell | 45,000 | $1.41 | $63.3K | n/a |
| 30 Jul 2026 | 8 Rivers Capital, LLC | sell | 45,000 | $1.41 | $63.3K | n/a |
| 30 Jul 2026 | 8 Rivers Capital, LLC | sell | 155,000 | $1.43 | $221K | n/a |
| 30 Jul 2026 | 8 Rivers Capital, LLC | sell | 55,858 | $1.47 | $82.2K | n/a |
| 30 Jul 2026 | NPEH, LLC | sell | 155,000 | $1.43 | $221K | n/a |
| 30 Jul 2026 | NPEH, LLC | sell | 55,858 | $1.47 | $82.2K | n/a |
| 23 Jul 2026 | NPEH, LLC | sell | 80,000 | $1.53 | $122K | n/a |
| 23 Jul 2026 | 8 Rivers Capital, LLC | sell | 90,000 | $1.53 | $137K | n/a |
| 23 Jul 2026 | 8 Rivers Capital, LLC | sell | 39,142 | $1.51 | $59.0K | n/a |
| 23 Jul 2026 | NPEH, LLC | sell | 39,142 | $1.51 | $59.0K | n/a |
| 23 Jul 2026 | NPEH, LLC | sell | 90,000 | $1.53 | $137K | n/a |
| 23 Jul 2026 | 8 Rivers Capital, LLC | sell | 80,000 | $1.53 | $122K | n/a |
Nothing matches that search.
Related pages
Frequently asked questions
Who has bought NPWR?
0 Congress buys by 0 members and 0 insider buys are on file. The tables on this page list every one.
Did buying NPWR after a disclosure beat the market?
No disclosed buy of this stock has matured 90 days yet. A single stock is a small sample.
Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.
Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.