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About Net Power Inc. (NPWR)
The SEC lists Net Power Inc. under CIK 0001845437, in electrical industrial apparatus. It is grouped with Information Technology companies on this site.
NPWR Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 38 | 4,430,000 | $7.56M |
| Grant or award | 5 | 816,881 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
NPWR insider transactions (Form 4)
3773 Form 4 filings on record, the earliest from Oct 2, 2024, newest first. Filing history page 3 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| NPEH, LLC - 10% Owner | Open-market sale | Class A Common Stock | 431,009 | $12.76 | $5.50M | |
| Akash S. Patel - Officer | Other | Class B Common Stock | 150,000 | $0.00 | - | |
| Akash S. Patel - Officer | Other | Class A Common Stock | 150,000 | $0.00 | - | |
| Akash S. Patel - Officer | Open-market sale | Class A Common Stock | 150,000 | $12.65 | $1.90M | |
| Akash S. Patel - Officer | Other | Class A Units of NET Power Operations LLC | 150,000 | $0.00 | - | |
| 8 Rivers Capital, LLC - 10% Owner | Open-market sale | Class A Common Stock | 431,009 | $12.76 | $5.50M | |
| 8 Rivers Capital, LLC - 10% Owner | Other | Class A Common Stock | 1,260,420 | - | - | |
| 8 Rivers Capital, LLC - 10% Owner | Other | Class B Common Stock | 1,260,420 | - | - | |
| 8 Rivers Capital, LLC - 10% Owner | Open-market sale | Class A Common Stock | 320,371 | $12.60 | $4.04M | |
| 8 Rivers Capital, LLC - 10% Owner | Open-market sale | Class A Common Stock | 509,040 | $12.72 | $6.47M | |
| 8 Rivers Capital, LLC - 10% Owner | Other | Class A Units of NET Power Operations LLC | 1,260,420 | - | - | |
| NPEH, LLC - 10% Owner | Other | Class A Common Stock | 1,260,420 | - | - | |
| NPEH, LLC - 10% Owner | Other | Class B Common Stock | 1,260,420 | - | - | |
| NPEH, LLC - 10% Owner | Open-market sale | Class A Common Stock | 320,371 | $12.60 | $4.04M | |
| NPEH, LLC - 10% Owner | Open-market sale | Class A Common Stock | 509,040 | $12.72 | $6.47M | |
| NPEH, LLC - 10% Owner | Other | Class A Units of NET Power Operations LLC | 1,260,420 | - | - | |
| NPEH, LLC - 10% Owner | Open-market sale | Class A Common Stock | 517,618 | $7.12 | $3.69M | |
| NPEH, LLC - 10% Owner | Open-market sale | Class A Common Stock | 199,369 | $7.33 | $1.46M | |
| 8 Rivers Capital, LLC - 10% Owner | Open-market sale | Class A Common Stock | 517,618 | $7.12 | $3.69M | |
| 8 Rivers Capital, LLC - 10% Owner | Open-market sale | Class A Common Stock | 199,369 | $7.33 | $1.46M | |
| NPEH, LLC - 10% Owner | Open-market sale | Class A Common Stock | 122,591 | $6.95 | $852K | |
| NPEH, LLC - 10% Owner | Open-market sale | Class A Common Stock | 120,500 | $6.92 | $833K | |
| 8 Rivers Capital, LLC - 10% Owner | Open-market sale | Class A Common Stock | 122,591 | $6.95 | $852K | |
| 8 Rivers Capital, LLC - 10% Owner | Open-market sale | Class A Common Stock | 120,500 | $6.92 | $833K | |
| Joseph T. Kelliher - Director | Grant or award | Class A Common Stock | 3,727 | $0.00 | - | |
| NPEH, LLC - 10% Owner | Other | Class A Common Stock | 1,015,000 | - | - | |
| NPEH, LLC - 10% Owner | Other | Class B Common Stock | 1,015,000 | - | - | |
| NPEH, LLC - 10% Owner | Open-market sale | Class A Common Stock | 54,922 | $7.00 | $385K | |
| NPEH, LLC - 10% Owner | Other | Class A Units of Net Power Operations LLC | 1,015,000 | $0.00 | - | |
| 8 Rivers Capital, LLC - 10% Owner | Other | Class A Common Stock | 1,015,000 | - | - | |
| 8 Rivers Capital, LLC - 10% Owner | Other | Class B Common Stock | 1,015,000 | - | - | |
| 8 Rivers Capital, LLC - 10% Owner | Open-market sale | Class A Common Stock | 10,433 | $7.00 | $73K | |
| 8 Rivers Capital, LLC - 10% Owner | Open-market sale | Class A Common Stock | 5,419 | $7.01 | $38K | |
| 8 Rivers Capital, LLC - 10% Owner | Open-market sale | Class A Common Stock | 8,871 | $7.01 | $62K | |
| 8 Rivers Capital, LLC - 10% Owner | Open-market sale | Class A Common Stock | 54,922 | $7.00 | $385K | |
| 8 Rivers Capital, LLC - 10% Owner | Other | Class A Units of Net Power Operations LLC | 1,015,000 | $0.00 | - | |
| 8 Rivers Capital, LLC - 10% Owner | Open-market sale | Class A Common Stock | 46,585 | $7.07 | $329K |
NPWR insider trading FAQ
What is the latest insider trade for NPWR?
Net Power Inc. (NPWR) had 19 insider filings in the last 90 days, with the most recent on 2026-10-08. The full record for NPWR runs to 73 Form 4 filings, the earliest from 2024-10-02. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying NPWR stock?
No insider purchases of NPWR were filed in the last 90 days.
How many insiders are selling NPWR stock?
38 insider sales of NPWR were filed in the last 90 days, totaling $7.56M.
Where can I see NPWR SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects NPWR Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Information Technology companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Ned Leland Shuman view on EDGAR
- - 8 Rivers Capital, LLC view on EDGAR
- - NPEH, LLC view on EDGAR
- - Alejandra Veltmann view on EDGAR
- - Carol R. Peterson view on EDGAR
- - Joseph T. Kelliher view on EDGAR
- - Ralph Alexander view on EDGAR
- - NPEH, LLC view on EDGAR
- - 8 Rivers Capital, LLC view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Insider activity in Information Technology
- Where NPWR's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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- Every NPWR Form 4 filing on record
- Up to 3 months of NPWR price history
- The daily trading plan of ranked insider buys, on a delay, with the plan archive
