Company Analysis

NET Power Inc. (NPWR)

NYSE: NPWR · Electrical Industrial Apparatus · Durham, NC · filing with the SEC since 2021
Grade4.4
◀ Past 2.8● Present 3.0▶ Future 7.8
5 est.

Who owns NET Power Inc.

As filed with the SEC
Holders of 5% or more
2
8 Rivers Capital, LLC holds 25.6% of Class A Common Stock, par value $0.0001, as its SCHEDULE 13D/A filed Aug 1, 2025 says.
Directors and officers
6
report now, of 27 people on the record since 2021. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 2 named at left.
Holders of 5% or moreshare of the class, as filed
8 Rivers Capital, LLC
SCHEDULE 13D/A · filed Aug 1, 2025 · Class A Common Stock, par value $0.0001 · 25.6% in Jul 17, 2025
25.6%
8 Rivers Capital, LLC
SCHEDULE 13D/A · filed Aug 17, 2026 · Class A Common Stock, par value $0.0001 · 19.5% in May 14, 2026
17.9%
What NPWR reports owning in othersstakes of 5% or more, and other ties

13 subsidiaries in 1 country, from the list filed with the 10-K filed Mar 9, 2026.

Insider tradesForm 4
0sales
0purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Nov 6, 2025 to Nov 6, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
232425
2025 runs to Nov 6, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window3 of 34 on the roster
PersonRole as filedSalesSoldOn a planBuysBought
Npeh, LLC10% owner52$13.3M00$0
8 Rivers Capital, LLC10% owner25$7.8M00$0
Beauchamp Damian R.10% owner27$5.5M00$0
SI Assistanton NPWR · research, not advice