In the 12 months to Nov 8, 2026, on the open market: sold $3.8M of NPWR. Filed a median of 1 business day after the trade.
Open-market purchases and sales this filer reported on SEC Form 4, by the day traded. Insiders have two business days to file. A sale marked 10b5-1 was made under a plan adopted in advance. How to read these
Insider purchases above the line: $0Insider sales below: $3.8M
Dollar value of open-market purchases and sales reported on SEC Form 4, by the month traded. Sales include pre-arranged 10b5-1 plan sales.
NPWRSold: Net Power Inc. Sep 9, 2026150,000 sharesfiled Sep 10, 2026750,000 shares held directly after, as filedfiling$276K
NPWRSold: Net Power Inc. Sep 8, 2026100,000 sharesfiled Sep 10, 2026900,000 shares held directly after, as filedfiling$194K
NPWRSold: Net Power Inc. Aug 26, 202641,350 sharesfiled Aug 27, 20261,000,000 shares held directly after, as filedfiling$79K
NPWRSold: Net Power Inc. Aug 25, 2026201,550 sharesfiled Aug 27, 20261,041,350 shares held directly after, as filedfiling$384K
NPWRSold: Net Power Inc. Aug 14, 2026507,100 sharesfiled Aug 14, 20261,242,900 shares held directly after, as filedfiling$991K
NPWRSold: Net Power Inc. Aug 13, 2026200,000 sharesfiled Aug 14, 20261,750,000 shares held directly after, as filedfiling$324K
NPWRSold: Net Power Inc. Aug 12, 202650,000 sharesfiled Aug 14, 20261,950,000 shares held directly after, as filedfiling$82K
NPWRSold: Net Power Inc. Aug 11, 202635,000 sharesfiled Aug 11, 20262,000,000 shares held directly after, as filedfiling$56K
NPWRSold: Net Power Inc. Aug 10, 202655,400 sharesfiled Aug 11, 20262,035,000 shares held directly after, as filedfiling$86K
NPWRSold: Net Power Inc. Aug 7, 202660,345 sharesfiled Aug 11, 20262,090,400 shares held directly after, as filedfiling$92K
NPWRSold: NET Power Inc. Aug 6, 202689,255 sharesfiled Aug 6, 20262,150,745 shares held directly after, as filedfiling$134K
NPWRSold: NET Power Inc. Aug 5, 2026140,000 sharesfiled Aug 6, 20262,240,000 shares held directly after, as filedfiling$211K
NPWRSold: NET Power Inc. Aug 4, 2026120,000 sharesfiled Aug 6, 20262,380,000 shares held directly after, as filedfiling$185K
NPWRSold: NET Power Inc. Jul 30, 2026155,000 sharesfiled Jul 30, 20262,500,000 shares held directly after, as filedfiling$221K
NPWRSold: NET Power Inc. Jul 29, 202645,000 sharesfiled Jul 30, 20262,655,000 shares held directly after, as filedfiling$63K
NPWRSold: NET Power Inc. Jul 28, 202655,858 sharesfiled Jul 30, 20262,700,000 shares held directly after, as filedfiling$82K
NPWRSold: NET Power Inc. Jul 23, 202639,142 sharesfiled Jul 23, 20262,755,858 shares held directly after, as filedfiling$59K
NPWRSold: NET Power Inc. Jul 22, 202690,000 sharesfiled Jul 23, 20262,795,000 shares held directly after, as filedfiling$137K
NPWRSold: NET Power Inc. Jul 21, 202680,000 sharesfiled Jul 23, 20262,885,000 shares held directly after, as filedfiling$122K
Source: SEC Form 4 filings. Value is shares × the price reported on the filing; a filing whose price failed Lytir's check against the market price is left out, and a trade that related owners reported on separate forms is counted once. Filings can be late, amended or wrong at the source; see methodology.
