The sustained selling by two major 10% owners over a 14-day window is a bearish signal for a micro-cap stock. While these are not C-suite insiders, the magnitude (~0.5% of market cap) is material. Monitor for any upcoming 8-K filings (e.g., earnings, restructuring, or offering) that could explain the selling. The stock's weak historical T+20 alpha on prior reports suggests downside risk remains elevated.
Price Chart
Executive Summary
Two major 10% owners of Net Power Inc. (NPWR) — 8 Rivers Capital, LLC and NPEH, LLC — sold a combined $138K in open-market sales over a 7-day window. This follows a larger cluster of $1.7M in sales by the same entities in the prior week, bringing the total 14-day insider selling to ~$1.84M, or ~0.5% of the company's $364M market cap. The selling is concentrated among the largest pre-IPO shareholders, suggesting a systematic de-risking or liquidity event rather than a reaction to near-term fundamentals, but the magnitude is notable for a micro-cap stock with weak recent price action and a negative historical T+20 alpha profile on prior reports.
Key Financial Metrics
Key Facts
- 8 Rivers Capital, LLC sold 507,100 shares on 2026-08-14 at ~$1.95, the largest single-day sale in the cluster.
- NPEH, LLC sold 35,000 shares on 2026-08-11 at ~$1.60.
- Total insider selling over the last 14 days (including the prior cluster) is ~$1.84M, or ~0.5% of market cap.
- Both selling entities are 10% owners, not C-suite executives, reducing the informational signal relative to a CEO/CFO cluster.
- The stock trades at ~$1.60, near the lower end of its recent range, and the company has a market cap of just $364M.
Financial Impact
Total insider selling of ~$1.84M over 14 days, representing ~0.5% of market cap. The sales are concentrated among two large pre-IPO shareholders.
Risk Factors
- Selling by major shareholders may indicate a lack of confidence in near-term business prospects or a planned liquidity event.
- The stock's low market cap ($364M) and low share price (~$1.60) make it vulnerable to further selling pressure.
- No C-suite insider buying to offset the selling, which would typically signal confidence.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-NPWR-1786744874712 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 11, 2026 20d ago | 8-K | $1.80 $1.79 | ▲ +0.56% | ▲ +0.66% | $1.40 (+21.94%) |
Sep 10, 2026 21d ago | Insider Cluster | $1.91 $1.83 | ▼ −4.19% | ▼ −3.97% | $1.40 (−26.44%) |
Aug 27, 2026 5w ago | Insider Cluster | $1.83 $1.93 | ▼ −5.46% | ▼ −5.36% | $1.40 (+23.22%) |
Aug 27, 2026 5w ago | Insider Cluster | $1.83 $1.93 | ▲ +5.46% | ▲ +5.36% | $1.40 (−23.22%) |
Aug 14, 2026 6w ago | Insider Cluster | $1.73 $1.99 | ▼ −15.03% | ▼ −16.22% | $1.40 (+18.79%) |
Aug 11, 2026 7w ago | Insider Cluster | $1.63 $1.67 | ▲ +2.45% | ▲ +2.90% | $1.40 (−13.80%) |
Aug 6, 2026 8w ago | Insider Cluster | $1.52 $1.95 | ▼ −28.29% | ▼ −27.89% | $1.40 (+7.57%) |
Jul 30, 2026 9w ago | Insider Cluster | $1.43 $1.52 | ▲ +6.29% | ▲ +2.78% | $1.40 (−1.75%) |
Jul 23, 2026 10w ago | Insider Cluster | $1.41 $1.47 | ▲ +4.26% | ▲ +3.88% | $1.40 (−0.35%) |
May 12, 2026 20w ago | Insider Cluster | $2.48 $1.82 | ▼ −26.61% | ▼ −26.01% | $1.40 (−43.35%) |
US Market Status
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