InsiderTrades

Form 4 for NPWR Net Power Inc.

Accepted 2026-09-10 18:00:13 ET · period of report 2026-09-08 · accession 0001104659-26-106786 · 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 2026-09-10 18:00 2026-09-08+ NPWR NPEH, LLC 10% S - Sale $1.88 -250.0K 750.0K -25% -$469.6K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Class A Common Stock 2026-09-08 S D 100,000 $1.94 900,000 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 $1.87 to $2.00. 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 2026-09-09 S D 150,000 $1.84 750,000 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 $1.77 to $1.885. 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.