CIK 0001845437 · Non-accelerated filer<br>Smaller reporting company<br>Emerging growth company
Net Power Inc.
Sign in to watch- Ticker
- NPWR
- Exchange
- NYSE
- Industry
- Electrical Industrial Apparatus
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 981580612
- Phone
- 8883236797
- Business address
- 11700 KATY FREEWAY, SUITE 700, HOUSTON, TX, 77079
- Former names
- Rice Acquisition Corp. II
Securities
- NPWR NET Power Inc. Class A Common Stock NYSE
- NPWR-WT Warrants NYSE
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $1,865,856
- in 4 filings
Net −$1,865,856. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 42 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-11-04 | Horstman Marc President and COO | Returned to the company · Stock Options | −240,000 | 0 | ||
| 2026-11-04 | Horstman Marc President and COO | Grant or award · Stock Options | +240,000 | 240,000 | ||
| 2026-09-09 | 8 Rivers Capital, LLC 10% owner | Sale | −150,000 | $1.84 | $276K | 750,000 |
| 2026-09-09 | NPEH, LLC 10% owner | Sale | −150,000 | $1.84 | $276K | 750,000 |
| 2026-09-08 | 8 Rivers Capital, LLC 10% owner | Sale | −100,000 | $1.94 | $194K | 900,000 |
| 2026-09-08 | NPEH, LLC 10% owner | Sale | −100,000 | $1.94 | $194K | 900,000 |
| 2026-08-26 | NPEH, LLC 10% owner | Sale | −41,350 | $1.91 | $79K | 1,000,000 |
| 2026-08-26 | 8 Rivers Capital, LLC 10% owner | Sale | −41,350 | $1.91 | $79K | 1,000,000 |
| 2026-08-25 | NPEH, LLC 10% owner | Sale | −201,550 | $1.91 | $384K | 1,041,350 |
| 2026-08-25 | 8 Rivers Capital, LLC 10% owner | Sale | −201,550 | $1.91 | $384K | 1,041,350 |
| 2026-08-14 | NPEH, LLC 10% owner | Sale | −507,100 | $1.95 | $991K | 1,242,900 |
| 2026-08-14 | 8 Rivers Capital, LLC 10% owner | Sale | −507,100 | $1.95 | $991K | 1,242,900 |
| 2026-08-13 | NPEH, LLC 10% owner | Sale | −200,000 | $1.62 | $324K | 1,750,000 |
| 2026-08-13 | 8 Rivers Capital, LLC 10% owner | Sale | −200,000 | $1.62 | $324K | 1,750,000 |
| 2026-08-12 | NPEH, LLC 10% owner | Sale | −50,000 | $1.63 | $82K | 1,950,000 |
| 2026-08-12 | 8 Rivers Capital, LLC 10% owner | Sale | −50,000 | $1.63 | $82K | 1,950,000 |
| 2026-08-11 | NPEH, LLC 10% owner | Sale | −35,000 | $1.60 | $56K | 2,000,000 |
| 2026-08-11 | 8 Rivers Capital, LLC 10% owner | Sale | −35,000 | $1.60 | $56K | 2,000,000 |
| 2026-08-10 | NPEH, LLC 10% owner | Sale | −55,400 | $1.55 | $86K | 2,035,000 |
| 2026-08-10 | 8 Rivers Capital, LLC 10% owner | Sale | −55,400 | $1.55 | $86K | 2,035,000 |
Page 1 of 13 · 249 trades