Form 4 for NPWR Net Power Inc.

Accepted 2025-12-08 00:00:00 ET · period of report 2025-12-04 · accession 0001104659-25-119362 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
M	2025-12-08	2025-12-04+	NPWR	NPEH, LLC	10%	S - Sale	$2.87	-310.0K	2.73M	-10%	-$890.0K

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Class A Common Stock	2025-12-04	S	D	65,000	$2.94	2,835,000	D	—	—	(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 $2.885 to $3.00. 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.
2	Common	Class A Common Stock	2025-12-08	S	D	140,000	$2.81	2,590,000	D	—	—	(F3) 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 $2.75 to $2.87. 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.
3	Common	Class A Common Stock	2025-12-05	S	D	105,000	$2.91	2,730,000	D	—	—	(F2) 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 $2.85 to $2.98. 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.