NPEH, LLC 4

4 · NET Power Inc. · Filed Mar 2, 2026

AI-generated summary of this filing

Updated Mar 2, 2026

NET Power (NPWR) 10% Owner NPEH, LLC Sells 86,483 Shares

What Happened

NPEH, LLC (identified as a 10% owner) reported open-market/private sales of NET Power Inc. (NPWR) Class A common stock. The filer sold a total of 86,483 shares across three transaction dates for aggregate proceeds of approximately $177,024.
Transaction details: 1,881 shares on 2026-02-26 at $2.00 (≈ $3,762); 4,744 shares on 2026-02-27 at $2.00 (≈ $9,489); and 79,858 shares on 2026-03-02 at $2.05 (≈ $163,773). These were sales (S) — routine dispositions rather than purchases.

Key Details

Dates and reported prices:
- 2026-02-26 — 1,881 shares @ $2.00 (weighted avg) [F1]
- 2026-02-27 — 4,744 shares @ $2.00 (weighted avg; trades ranged $2.00–$2.005) [F2]
- 2026-03-02 — 79,858 shares @ $2.05 (weighted avg; trades ranged $2.00–$2.10) [F3]
Total shares sold: 86,483; approximate total proceeds: $177,024.
Shares owned after the transactions: not specified in the provided excerpt of the filing.
Footnotes: the reported prices are weighted-average amounts; the filer says it can provide a detailed breakdown of number of shares sold at each separate price on request (F1–F3).
Timeliness: Form 4 was filed on 2026-03-02. Given the trade dates (Feb 26, Feb 27, and Mar 2), the filing was submitted within the usual two-business-day window.

Context

NPEH, LLC is a 10% owner (institutional/large holder), not an officer or director—such sales are typically institutional liquidity events and do not necessarily signal insider views on company prospects. Purchases tend to be stronger signals of confidence; these are dispositions.
No indications of option exercises, gifts, or tax-withholding dispositions are shown in the provided data.

Form 4

Period: 2026-02-26

10% Owner

Transactions

Footnotes (3)

[F1]The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at a price of $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.
[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 $2.00 to $2.005. 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.
[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 $2.00 to $2.10. 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.

Signature

By: /s/ Min Lee, General Counsel of 8 Rivers Capital, LLC, its Manager|2026-03-02

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