Updated Jul 16, 2026
NPEH, LLC has filed 2 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $29.24M.

| Role | 10% Owner |
|---|---|
| Notability | 30/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-14 | NPWR | NET Power Inc. | S — Open-market sale | 35.0K | $2.43 | $85K |
| 2026-05-14 | NPWR | NET Power Inc. | S — Open-market sale | 400.0K | $2.44 | $976K |
| 2026-05-13 | NPWR | NET Power Inc. | J — Other acquisition / disposition | 3.00M | — | |
| 2026-05-13 | NPWR | NET Power Inc. | J — Other acquisition / disposition | 3.00M | — | |
| 2026-03-10 | NPWR | NET Power Inc. | J — Other acquisition / disposition | 3.00M | — | |
| 2026-03-10 | NPWR | NET Power Inc. | J — Other acquisition / disposition | 3.00M | — | |
| 2026-03-05 | NPWR | NET Power Inc. | S — Open-market sale | 100.0K | $2.04 | $204K |
| 2026-03-02 | NPWR | NET Power Inc. | S — Open-market sale | 79.9K | $2.05 | $164K |
| 2026-03-02 | NPWR | NET Power Inc. | S — Open-market sale | 4.7K | $2.00 | $9K |
| 2026-03-02 | NPWR | NET Power Inc. | S — Open-market sale | 1.9K | $2.00 | $4K |
| 2026-02-23 | NPWR | NET Power Inc. | S — Open-market sale | 63.5K | $2.03 | $129K |
| 2026-02-23 | NPWR | NET Power Inc. | S — Open-market sale | 125.0K | $2.14 | $268K |
| 2026-02-18 | NPWR | NET Power Inc. | S — Open-market sale | 75.0K | $2.07 | $155K |
| 2026-02-18 | NPWR | NET Power Inc. | S — Open-market sale | 100.0K | $2.14 | $214K |
| 2026-02-12 | NPWR | NET Power Inc. | S — Open-market sale | 150.0K | $2.03 | $305K |
| 2026-02-12 | NPWR | NET Power Inc. | S — Open-market sale | 60.0K | $2.02 | $121K |
| 2026-02-12 | NPWR | NET Power Inc. | S — Open-market sale | 40.0K | $2.08 | $83K |
| 2026-02-02 | NPWR | NET Power Inc. | S — Open-market sale | 54.8K | $2.35 | $129K |
| 2026-01-28 | NPWR | NET Power Inc. | S — Open-market sale | 65.2K | $2.38 | $155K |
| 2026-01-28 | NPWR | NET Power Inc. | S — Open-market sale | 100.0K | $2.38 | $238K |
NPEH, LLC is a corporate insider — currently tracked as 10% Owner of NET Power Inc. (NPWR). InsiderAlpha tracks every SEC Form 4 filing in real time.
2 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 31 open-market sales ($29.24M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Open the live NPEH, LLC profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.