Form4.ai tracks every SEC insider trade in real time. See every NPWR insider filing with a free account — no card.
See every NPWR insider filing — free account, no card.
Free accountNet Power Inc. (NPWR) has 15 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 10 sales totalling $6.2M. Most recent filing: Oct. 8, 2026.
Open-market value, last 90 days
Form 4 filings by type, last 90 days
| Date | Insider | Trade | Value | Price since buy |
|---|---|---|---|---|
| Oct 8, 2026 SEC filing | Shuman Ned Leland Chief Financial Officer | Grant / award | — | — |
| Sep 10, 2026 SEC filing | 8 Rivers Capital, LLC 10% Owner Same trade as NPEH, LLC | Sold | $469,595 | — |
| Aug 31, 2026 SEC filing | PETERSON CAROL R. Director | Grant / award | — | — |
Create a free account to see all 15 NPWR filings from the last 90 days. No card needed.
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Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.