8 Rivers Capital, LLC sold $470k of NPWR
owner at NET Power Inc.. 250,000 shares at an average of $1.88, traded Sep 8, 2026, filed Sep 10, 2026.
Score components
- +12Role10% owner
- +17Trade size$470k at market
- +10Share of holdings soldSold 25% of holdings
- +8Cluster2 insiders selling within 14 days
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001104659-26-106788, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Sep 8, 2026 | SOpen-market sale Class A Common Stockindirect: By: NPEH, LLC | -100,000 | $1.94 | $194k | 900,000 | 33 d ago |
| Sep 9, 2026 | SOpen-market sale Class A Common Stockindirect: By: NPEH, LLC | -150,000 | $1.84 | $276k | 750,000 | 33 d ago |
Related signals
Other insiders at NET Power Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 47Moderate | NET Power Inc. | Npeh, LLC owner | $470k 250,000 shares | -25% | |
| 42Moderate | NPWRsell NET Power Inc. | 8 Rivers Capital, LLC owner | $1.1M 435,000 shares | -13% | |
| 37Weak | NET Power Inc. | 8 Rivers Capital, LLC owner | $204k 100,000 shares | -20% | |
| 37Weak | NET Power Inc. | Npeh, LLC owner | $204k 100,000 shares | -20% | |
| 37Weak | NET Power Inc. | 8 Rivers Capital, LLC owner | $177k 86,483 shares | -15% | |
| 37Weak | NET Power Inc. | Npeh, LLC owner | $177k 86,483 shares | -15% | |
| 41Moderate | NET Power Inc. | 8 Rivers Capital, LLC owner | $397k 188,517 shares | -24% | |
| 41Moderate | NET Power Inc. | Npeh, LLC owner | $397k 188,517 shares | -24% | |
| 40Moderate | NET Power Inc. | 8 Rivers Capital, LLC owner | $369k 175,000 shares | -18% | |
| 40Moderate | NET Power Inc. | Npeh, LLC owner | $369k 175,000 shares | -18% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.