NPWR- Net Power Inc.

Name: Net Power Inc. Insider Trading Data
Creator: U.S. Securities and Exchange Commission
License: https://www.sec.gov/privacy#accessibility

Net Power Inc. (NPWR) has 9 insiders with recent SEC Form 4 filings, including 0 buys and 18 sells. NPWR is classified in the Machinery industry within the Industrials sector.

Insider Ownership

Role	Insider	Shares	Value	30d
10%	8 Rivers Capital, LLC	1.55M	$3.77M	-
10%	Npeh, LLC	1.55M	$3.77M	-
COO	Horstman Marc	240.0K	$584.4K	-
Dir	Peterson Carol R.	104.4K	$254.2K	-
Dir	Alexander Ralph	104.4K	$254.2K	-

Activity

Buys and sells only

Transactions

10 filings · page 2

Date	Insider	Role	Type	Shares	Price	Value	Chg%	3M	12M
Nov 28, 2025	Npeh, LLC84	10% Owner	Sell	200,000	$2.94	$587,080.00	-6.5%	-32.4%	-
Nov 28, 2025	8 Rivers Capital, LLC83	10% Owner	Sell	200,000	$2.94	$587,080.00	-6.5%	-32.4%	-
Nov 21, 2025	Npeh, LLC84	10% Owner	Sell	150,000	$2.59	$387,919.07	-2.4%	-12.9%	-
Nov 21, 2025	8 Rivers Capital, LLC83	10% Owner	Sell	150,000	$2.59	$387,919.07	-2.4%	-12.9%	-
Nov 19, 2025	8 Rivers Capital, LLC83	10% Owner	Sell	588,653	$2.71	$1,593,479.47	-8.0%	-16.2%	-
Nov 19, 2025	Npeh, LLC84	10% Owner	Sell	588,653	$2.71	$1,593,479.47	-8.0%	-16.2%	-
Nov 3, 2025	Npeh, LLC84	10% Owner	Sell	26,593	$4.04	$107,347.91	-0.7%	-40.2%	-
Nov 3, 2025	8 Rivers Capital, LLC83	10% Owner	Sell	26,593	$4.04	$107,347.91	-0.7%	-40.2%	-
Oct 31, 2025	Beauchamp Cynda	10% Owner	Sell	18,116	$4.05	$73,418.71	-1.0%	-37.2%	-
Oct 30, 2025	8 Rivers Capital, LLC83	10% Owner	Sell	902,171	$4.10	$3,702,731.82	-12.0%	-41.1%	-

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Insider	Role	Shares	Value	Buys	Sells

Date	Ticker	Insider	Role	Type	Shares	Price	Value	Chg%	SEC