NPEH, LLC 4

What Happened

• NPEH, LLC, a reported 10% owner of NET Power, sold a total of 435,000 shares of Class A common stock in two transactions on May 12–13, 2026. The sales generated reported proceeds of $975,560 (400,000 shares at a weighted average $2.44) and $85,152 (35,000 shares at a weighted average $2.43), for total proceeds of $1,060,712. These were dispositions (sales), not purchases or option exercises.

Key Details

• Transaction dates and reported prices:
  • 2026-05-12: 400,000 shares sold; weighted average price reported $2.44; total $975,560. (Reported per‑share prices ranged $2.35–$2.51.) [Footnote F1]
  • 2026-05-13: 35,000 shares sold; weighted average price reported $2.43; total $85,152. (Reported per‑share prices ranged $2.405–$2.46.) [Footnote F2]
• Total shares sold: 435,000; total proceeds reported: $1,060,712.
• Shares owned after the transactions: not specified in the summary provided in your prompt (not reported here).
• Filing date: 2026-05-14; covers transactions on 2026-05-12 and 05-13 and appears to have been filed within the Form 4 timeliness window.
• Footnotes: Weighted average prices are reported; NPEH will provide full breakdown of trades/prices upon request to the SEC, issuer, or security holder.

Context

• This filing shows an institutional 10% owner selling shares in open‑market/private trades. Such sales can be routine rebalancing or liquidity actions by large holders and do not by themselves indicate management sentiment about the company.
• No options exercises, gifts, or awards are reported here — only outright sales (transaction code S).