About this data
What it is
When a company's officers, directors or owners of more than 10% buy or sell its stock, they must report the trade to the SEC on Form 4. This feed shows purchases and sales on the open market; stock grants, option exercises and shares withheld for tax are left out.
Who files it
The insider, usually through the company, within two business days of the trade.
How current
We collect new filings throughout the day on SEC business days.
Worth knowing
Sales are often routine: insiders sell to diversify, to pay taxes, or under a 10b5-1 plan set up months in advance. A purchase with their own money is less common, which is why many investors pay closer attention to it.

All of this comes from public filings.

Open-market trades per day, last 30 days

05001,000Oct 17 · Purchases: 0Oct 17 · Sales: 0Oct 17Oct 18 · Purchases: 0Oct 18 · Sales: 0Oct 19 · Purchases: 29Oct 19 · Sales: 159Oct 20 · Purchases: 45Oct 20 · Sales: 209Oct 21 · Purchases: 38Oct 21 · Sales: 183Oct 21Oct 22 · Purchases: 50Oct 22 · Sales: 130Oct 23 · Purchases: 77Oct 23 · Sales: 126Oct 24 · Purchases: 1Oct 24 · Sales: 0Oct 25 · Purchases: 0Oct 25 · Sales: 0Oct 25Oct 26 · Purchases: 60Oct 26 · Sales: 171Oct 27 · Purchases: 27Oct 27 · Sales: 217Oct 28 · Purchases: 44Oct 28 · Sales: 135Oct 29 · Purchases: 35Oct 29 · Sales: 199Oct 29Oct 30 · Purchases: 68Oct 30 · Sales: 270Oct 31 · Purchases: 3Oct 31 · Sales: 0Nov 1 · Purchases: 2Nov 1 · Sales: 0Nov 2 · Purchases: 79Nov 2 · Sales: 826Nov 2Nov 3 · Purchases: 66Nov 3 · Sales: 337Nov 4 · Purchases: 67Nov 4 · Sales: 535Nov 5 · Purchases: 108Nov 5 · Sales: 458Nov 6 · Purchases: 137Nov 6 · Sales: 390Nov 6Nov 7 · Purchases: 0Nov 7 · Sales: 0Nov 8 · Purchases: 0Nov 8 · Sales: 0Nov 9 · Purchases: 110Nov 9 · Sales: 457Nov 10 · Purchases: 97Nov 10 · Sales: 406Nov 10Nov 11 · Purchases: 98Nov 11 · Sales: 330Nov 12 · Purchases: 54Nov 12 · Sales: 167Nov 13 · Purchases: 23Nov 13 · Sales: 28Nov 14 · Purchases: 0Nov 14 · Sales: 0Nov 14Nov 15 · Purchases: 0Nov 15 · Sales: 0
05001,000Oct 17 · Purchases: 0Oct 17 · Sales: 0Oct 17Oct 18 · Purchases: 0Oct 18 · Sales: 0Oct 19 · Purchases: 29Oct 19 · Sales: 159Oct 20 · Purchases: 45Oct 20 · Sales: 209Oct 21 · Purchases: 38Oct 21 · Sales: 183Oct 21Oct 22 · Purchases: 50Oct 22 · Sales: 130Oct 23 · Purchases: 77Oct 23 · Sales: 126Oct 24 · Purchases: 1Oct 24 · Sales: 0Oct 25 · Purchases: 0Oct 25 · Sales: 0Oct 25Oct 26 · Purchases: 60Oct 26 · Sales: 171Oct 27 · Purchases: 27Oct 27 · Sales: 217Oct 28 · Purchases: 44Oct 28 · Sales: 135Oct 29 · Purchases: 35Oct 29 · Sales: 199Oct 29Oct 30 · Purchases: 68Oct 30 · Sales: 270Oct 31 · Purchases: 3Oct 31 · Sales: 0Nov 1 · Purchases: 2Nov 1 · Sales: 0Nov 2 · Purchases: 79Nov 2 · Sales: 826Nov 2Nov 3 · Purchases: 66Nov 3 · Sales: 337Nov 4 · Purchases: 67Nov 4 · Sales: 535Nov 5 · Purchases: 108Nov 5 · Sales: 458Nov 6 · Purchases: 137Nov 6 · Sales: 390Nov 6Nov 7 · Purchases: 0Nov 7 · Sales: 0Nov 8 · Purchases: 0Nov 8 · Sales: 0Nov 9 · Purchases: 110Nov 9 · Sales: 457Nov 10 · Purchases: 97Nov 10 · Sales: 406Nov 10Nov 11 · Purchases: 98Nov 11 · Sales: 330Nov 12 · Purchases: 54Nov 12 · Sales: 167Nov 13 · Purchases: 23Nov 13 · Sales: 28Nov 14 · Purchases: 0Nov 14 · Sales: 0Nov 14Nov 15 · Purchases: 0Nov 15 · Sales: 0

Purchases Sales

By trade date. Insiders have two business days to file, so the most recent days fill in later.

Latest open-market insider trades

Reset

Showing: ticker NPWR

Latest open-market insider trades
TradedInsiderCompanyTypeSharesPriceValueFiling
Sep 9, 20268 Rivers Capital, LLC
10% owner
NPWR
NET Power Inc.
Sale150,000$1.84$276.0K SaleForm 4 ↗
Sep 9, 2026Npeh, LLC
10% owner
NPWR
NET Power Inc.
Sale150,000$1.84$276.0K SaleForm 4 ↗
Sep 8, 20268 Rivers Capital, LLC
10% owner
NPWR
NET Power Inc.
Sale100,000$1.94$194.0K SaleForm 4 ↗
Sep 8, 2026Npeh, LLC
10% owner
NPWR
NET Power Inc.
Sale100,000$1.94$194.0K SaleForm 4 ↗
Aug 26, 2026Npeh, LLC
10% owner
NPWR
NET Power Inc.
Sale41,350$1.91$79.0K SaleForm 4 ↗
Aug 26, 2026Damian R. Beauchamp
10% owner
NPWR
NET Power Inc.
Sale41,350$1.91$79.0K SaleForm 4 ↗
Aug 25, 2026Npeh, LLC
10% owner
NPWR
NET Power Inc.
Sale201,550$1.91$385.0K SaleForm 4 ↗
Aug 25, 2026Damian R. Beauchamp
10% owner
NPWR
NET Power Inc.
Sale201,550$1.91$385.0K SaleForm 4 ↗
Aug 14, 2026Npeh, LLC
10% owner
NPWR
NET Power Inc.
Sale507,100$1.95$988.8K SaleForm 4 ↗
Aug 14, 20268 Rivers Capital, LLC
10% owner
NPWR
NET Power Inc.
Sale507,100$1.95$988.8K SaleForm 4 ↗
Aug 13, 2026Npeh, LLC
10% owner
NPWR
NET Power Inc.
Sale200,000$1.62$324.0K SaleForm 4 ↗
Aug 13, 20268 Rivers Capital, LLC
10% owner
NPWR
NET Power Inc.
Sale200,000$1.62$324.0K SaleForm 4 ↗
Aug 12, 2026Npeh, LLC
10% owner
NPWR
NET Power Inc.
Sale50,000$1.63$81.5K SaleForm 4 ↗
Aug 12, 20268 Rivers Capital, LLC
10% owner
NPWR
NET Power Inc.
Sale50,000$1.63$81.5K SaleForm 4 ↗
Aug 11, 2026Npeh, LLC
10% owner
NPWR
NET Power Inc.
Sale35,000$1.60$56.0K SaleForm 4 ↗
Aug 11, 2026Damian R. Beauchamp
10% owner
NPWR
NET Power Inc.
Sale35,000$1.60$56.0K SaleForm 4 ↗
Aug 10, 2026Npeh, LLC
10% owner
NPWR
NET Power Inc.
Sale55,400$1.55$85.9K SaleForm 4 ↗
Aug 10, 2026Damian R. Beauchamp
10% owner
NPWR
NET Power Inc.
Sale55,400$1.55$85.9K SaleForm 4 ↗
Aug 7, 2026Npeh, LLC
10% owner
NPWR
NET Power Inc.
Sale60,345$1.53$92.3K SaleForm 4 ↗
Aug 7, 2026Damian R. Beauchamp
10% owner
NPWR
NET Power Inc.
Sale60,345$1.53$92.3K SaleForm 4 ↗
Aug 6, 20268 Rivers Capital, LLC
10% owner
NPWR
NET Power Inc.
Sale89,255$1.51$134.8K SaleForm 4 ↗
Aug 6, 2026Npeh, LLC
10% owner
NPWR
NET Power Inc.
Sale89,255$1.51$134.8K SaleForm 4 ↗
Aug 5, 20268 Rivers Capital, LLC
10% owner
NPWR
NET Power Inc.
Sale140,000$1.51$211.4K SaleForm 4 ↗
Aug 5, 2026Npeh, LLC
10% owner
NPWR
NET Power Inc.
Sale140,000$1.51$211.4K SaleForm 4 ↗
Aug 4, 20268 Rivers Capital, LLC
10% owner
NPWR
NET Power Inc.
Sale120,000$1.54$184.8K SaleForm 4 ↗
Aug 4, 2026Npeh, LLC
10% owner
NPWR
NET Power Inc.
Sale120,000$1.54$184.8K SaleForm 4 ↗
Jul 30, 2026Npeh, LLC
10% owner
NPWR
NET Power Inc.
Sale155,000$1.43$221.7K SaleForm 4 ↗
Jul 30, 2026Damian R. Beauchamp
10% owner
NPWR
NET Power Inc.
Sale155,000$1.43$221.7K SaleForm 4 ↗
Jul 29, 2026Npeh, LLC
10% owner
NPWR
NET Power Inc.
Sale45,000$1.41$63.5K SaleForm 4 ↗
Jul 29, 2026Damian R. Beauchamp
10% owner
NPWR
NET Power Inc.
Sale45,000$1.41$63.5K SaleForm 4 ↗
Jul 28, 2026Npeh, LLC
10% owner
NPWR
NET Power Inc.
Sale55,858$1.47$82.1K SaleForm 4 ↗
Jul 28, 2026Damian R. Beauchamp
10% owner
NPWR
NET Power Inc.
Sale55,858$1.47$82.1K SaleForm 4 ↗
Jul 23, 20268 Rivers Capital, LLC
10% owner
NPWR
NET Power Inc.
Sale39,142$1.51$59.1K SaleForm 4 ↗
Jul 23, 2026Npeh, LLC
10% owner
NPWR
NET Power Inc.
Sale39,142$1.51$59.1K SaleForm 4 ↗
Jul 22, 20268 Rivers Capital, LLC
10% owner
NPWR
NET Power Inc.
Sale90,000$1.53$137.7K SaleForm 4 ↗
Jul 22, 2026Npeh, LLC
10% owner
NPWR
NET Power Inc.
Sale90,000$1.53$137.7K SaleForm 4 ↗
Jul 21, 20268 Rivers Capital, LLC
10% owner
NPWR
NET Power Inc.
Sale80,000$1.53$122.4K SaleForm 4 ↗
Jul 21, 2026Npeh, LLC
10% owner
NPWR
NET Power Inc.
Sale80,000$1.53$122.4K SaleForm 4 ↗
May 13, 2026Npeh, LLC
10% owner
NPWR
NET Power Inc.
Sale35,000$2.43$85.0K SaleForm 4 ↗
May 13, 2026Damian R. Beauchamp
10% owner
NPWR
NET Power Inc.
Sale35,000$2.43$85.0K SaleForm 4 ↗
May 12, 2026Npeh, LLC
10% owner
NPWR
NET Power Inc.
Sale400,000$2.44$976.0K SaleForm 4 ↗
May 12, 2026Damian R. Beauchamp
10% owner
NPWR
NET Power Inc.
Sale400,000$2.44$976.0K SaleForm 4 ↗
Mar 3, 2026Npeh, LLC
10% owner
NPWR
NET Power Inc.
Sale100,000$2.04$204.0K SaleForm 4 ↗
Mar 3, 2026Damian R. Beauchamp
10% owner
NPWR
NET Power Inc.
Sale100,000$2.04$204.0K SaleForm 4 ↗
Mar 2, 2026Npeh, LLC
10% owner
NPWR
NET Power Inc.
Sale79,858$2.05$163.7K SaleForm 4 ↗
Mar 2, 2026Damian R. Beauchamp
10% owner
NPWR
NET Power Inc.
Sale79,858$2.05$163.7K SaleForm 4 ↗
Feb 27, 2026Npeh, LLC
10% owner
NPWR
NET Power Inc.
Sale4,744$2.00$9,488 SaleForm 4 ↗
Feb 27, 2026Damian R. Beauchamp
10% owner
NPWR
NET Power Inc.
Sale4,744$2.00$9,488 SaleForm 4 ↗
Feb 26, 2026Npeh, LLC
10% owner
NPWR
NET Power Inc.
Sale1,881$2.00$3,762 SaleForm 4 ↗
Feb 26, 2026Damian R. Beauchamp
10% owner
NPWR
NET Power Inc.
Sale1,881$2.00$3,762 SaleForm 4 ↗

The newest 50 items, most recent first. Every row links to its original filing. Updated Nov 15, 2026, 6:10 PM EST.

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