NPEH, LLC - 03 Mar 2026 Form 4 Insider Report for NET Power Inc. (NPWR)

Role: 10%+ Owner
Signature: By: /s/ Min Lee, General Counsel of 8 Rivers Capital, LLC, its Manager
Issuer symbol: NPWR
Transactions as of: 03 Mar 2026
Net transactions value: -$204,250
Form type: 4
Filing time: 05 Mar 2026, 18:16:18 UTC
Previous filing: 02 Mar 2026
Next filing: 10 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
NPEH, LLC	10%+ Owner	406 BLACKWELL STREET, 4TH FLOOR, DURHAM	By: /s/ Min Lee, General Counsel of 8 Rivers Capital, LLC, its Manager	05 Mar 2026	0001981772

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	NPWR	Class A Common Stock	Sale	$204,250	-100,000	-20%	$2.04	400,000	03 Mar 2026	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.01 to $2.015 NPEH, LLC ("NPEH") will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.