NPWR insider trades & Congress trades
Net Power Inc.: public insider filings and Congress disclosures, in one place.
Bourse has recorded 26 open-market insider transactions in Net Power Inc. (NPWR) (0 purchases with code P and 26 sales with code S), the most recent on September 9, 2026.
In the last 90 days: 0 purchases by 0 insiders ($0) and 18 sales by 2 ($4.94M).
Insider transactions
SEC Form 4, open-market purchases (P) and sales (S) only. Awards, option exercises and tax withholding are excluded. “After” shows the stock’s return over the month following the trade, where available.
| Date | Insider | Role | Type | Shares | Price | Value | After 1M |
|---|---|---|---|---|---|---|---|
| Sep 9, 2026 | Npeh, Llc | – | Sell | 150,000 | $1.84 | $276K | −0.3% |
| Sep 9, 2026 | 8 Rivers Capital, LLC | – | Sell | 150,000 | $1.84 | $276K | −0.3% |
| Sep 8, 2026 | Npeh, Llc | – | Sell | 100,000 | $1.94 | $194K | −0.3% |
| Sep 8, 2026 | 8 Rivers Capital, LLC | – | Sell | 100,000 | $1.94 | $194K | −0.3% |
| Aug 26, 2026 | 8 Rivers Capital, LLC | – | Sell | 41,350 | $1.91 | $79K | −0.2% |
| Aug 26, 2026 | Npeh, Llc | – | Sell | 41,350 | $1.91 | $79K | −0.2% |
| Aug 25, 2026 | 8 Rivers Capital, LLC | – | Sell | 201,550 | $1.91 | $384K | −0.2% |
| Aug 25, 2026 | Npeh, Llc | – | Sell | 201,550 | $1.91 | $384K | −0.2% |
| Aug 14, 2026 | 8 Rivers Capital, LLC | – | Sell | 507,100 | $1.95 | $991K | −0.1% |
| Aug 14, 2026 | Npeh, Llc | – | Sell | 507,100 | $1.95 | $991K | −0.1% |
| Aug 13, 2026 | 8 Rivers Capital, LLC | – | Sell | 200,000 | $1.62 | $324K | −0.1% |
| Aug 13, 2026 | Npeh, Llc | – | Sell | 200,000 | $1.62 | $324K | −0.1% |
| Aug 12, 2026 | 8 Rivers Capital, LLC | – | Sell | 50,000 | $1.63 | $82K | −0.1% |
| Aug 12, 2026 | Npeh, Llc | – | Sell | 50,000 | $1.63 | $82K | −0.1% |
| Aug 11, 2026 | Npeh, Llc | – | Sell | 35,000 | $1.60 | $56K | +0.1% |
| Aug 11, 2026 | 8 Rivers Capital, LLC | – | Sell | 35,000 | $1.60 | $56K | +0.1% |
| Aug 10, 2026 | Npeh, Llc | – | Sell | 55,400 | $1.55 | $86K | +0.1% |
| Aug 10, 2026 | 8 Rivers Capital, LLC | – | Sell | 55,400 | $1.55 | $86K | +0.1% |
| Aug 7, 2026 | Npeh, Llc | – | Sell | 60,345 | $1.53 | $92K | +0.1% |
| Aug 7, 2026 | 8 Rivers Capital, LLC | – | Sell | 60,345 | $1.53 | $92K | +0.1% |
| Aug 6, 2026 | Npeh, Llc | – | Sell | 89,255 | $1.51 | $134K | +0.3% |
| Aug 6, 2026 | 8 Rivers Capital, LLC | – | Sell | 89,255 | $1.51 | $134K | +0.3% |
| Aug 5, 2026 | Npeh, Llc | – | Sell | 140,000 | $1.51 | $211K | +0.3% |
| Aug 5, 2026 | 8 Rivers Capital, LLC | – | Sell | 140,000 | $1.51 | $211K | +0.3% |
| Aug 4, 2026 | Npeh, Llc | – | Sell | 120,000 | $1.54 | $185K | +0.3% |
| Aug 4, 2026 | 8 Rivers Capital, LLC | – | Sell | 120,000 | $1.54 | $185K | +0.3% |
Data as of November 8, 2026. Public filings only. A purchase or sale by a politician or an insider does not by itself imply any wrongdoing.
New to these filings? Read how to read a Form 4, how Congress trades are disclosed and what insider cluster buying means. Sources and limits are on the Methodology page.
See these filings as they land
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