Bourse
Stock filings

NPWR insider trades & Congress trades

Net Power Inc.: public insider filings and Congress disclosures, in one place.

26insider buys + sells
0Congress trades
0 / 18insider buys / sells, 90 days
–latest buying cluster

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.

DateInsiderRoleTypeSharesPriceValueAfter 1M
Sep 9, 2026Npeh, Llc–Sell150,000$1.84$276K−0.3%
Sep 9, 20268 Rivers Capital, LLC–Sell150,000$1.84$276K−0.3%
Sep 8, 2026Npeh, Llc–Sell100,000$1.94$194K−0.3%
Sep 8, 20268 Rivers Capital, LLC–Sell100,000$1.94$194K−0.3%
Aug 26, 20268 Rivers Capital, LLC–Sell41,350$1.91$79K−0.2%
Aug 26, 2026Npeh, Llc–Sell41,350$1.91$79K−0.2%
Aug 25, 20268 Rivers Capital, LLC–Sell201,550$1.91$384K−0.2%
Aug 25, 2026Npeh, Llc–Sell201,550$1.91$384K−0.2%
Aug 14, 20268 Rivers Capital, LLC–Sell507,100$1.95$991K−0.1%
Aug 14, 2026Npeh, Llc–Sell507,100$1.95$991K−0.1%
Aug 13, 20268 Rivers Capital, LLC–Sell200,000$1.62$324K−0.1%
Aug 13, 2026Npeh, Llc–Sell200,000$1.62$324K−0.1%
Aug 12, 20268 Rivers Capital, LLC–Sell50,000$1.63$82K−0.1%
Aug 12, 2026Npeh, Llc–Sell50,000$1.63$82K−0.1%
Aug 11, 2026Npeh, Llc–Sell35,000$1.60$56K+0.1%
Aug 11, 20268 Rivers Capital, LLC–Sell35,000$1.60$56K+0.1%
Aug 10, 2026Npeh, Llc–Sell55,400$1.55$86K+0.1%
Aug 10, 20268 Rivers Capital, LLC–Sell55,400$1.55$86K+0.1%
Aug 7, 2026Npeh, Llc–Sell60,345$1.53$92K+0.1%
Aug 7, 20268 Rivers Capital, LLC–Sell60,345$1.53$92K+0.1%
Aug 6, 2026Npeh, Llc–Sell89,255$1.51$134K+0.3%
Aug 6, 20268 Rivers Capital, LLC–Sell89,255$1.51$134K+0.3%
Aug 5, 2026Npeh, Llc–Sell140,000$1.51$211K+0.3%
Aug 5, 20268 Rivers Capital, LLC–Sell140,000$1.51$211K+0.3%
Aug 4, 2026Npeh, Llc–Sell120,000$1.54$185K+0.3%
Aug 4, 20268 Rivers Capital, LLC–Sell120,000$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

Bourse collects Congress trades, SEC Form 4 insider filings and 13F fund holdings in one live feed, and flags insider buying clusters automatically. Free to start.

Bourse provides financial data and editorial information, parts of which are generated by AI. This page is for general education only. It is not personalised investment advice or a recommendation to buy or sell any financial instrument. Make your own decisions.