Form4insider filings, from the source

SEC Form 4 · accession 0001104659-26-086399

Net Power Inc. · NPWR

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner
NPEH, LLC
10% Owner
Period of report
Jul 21, 2026
Accepted (ET)
Jul 23, 2026 · 7:37 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001845437

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Class A Common StockF1Jul 21, 2026S80,000$1.53D2,885,000D
Class A Common StockF2Jul 22, 2026S90,000$1.5258D2,795,000D
Class A Common StockF3Jul 23, 2026S39,142$1.5066D2,755,858D

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses