Form4insider filings, from the source

SEC Form 4 · accession 0001104659-26-106788

Net Power Inc. · NPWR

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

Reporting owners
Period of report
Sep 8, 2026
Accepted (ET)
Sep 10, 2026 · 6:01 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 StockF1,F3,F4Sep 8, 2026S100,000$1.9352D900,000IBy: NPEH, LLC
Class A Common StockF2,F3,F4Sep 9, 2026S150,000$1.8405D750,000IBy: NPEH, LLC

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses