NPWR · Insider trading · 13F holders · Congress trades
Net Power Inc. (NPWR)
Who is buying and selling NPWR: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 2
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $6.2M
- Congress trades, 12 months
- 0
NPWR at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 2 NPWR insiders filed 10 sales worth $6.2M on SEC Form 4, and no open-market purchases.
- 2 13F filers hold NPWR among their 50 largest positions, worth $18.6M combined. The biggest bets by portfolio weight are Share Andrew L. (8.4%) and Sourcerock Group LLC (0.1%).
- No member of Congress has disclosed a trade in NPWR.
- NPWR last closed at $0.84 on Oct 29, 2026.
NPWR insider trading
Between Aug 1, 2026 and Oct 29, 2026, 2 NPWR insiders filed 10 sales worth $6.2M on SEC Form 4, and no open-market purchases.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Sep 10, 2026 | 8 Rivers Capital, LLC | 10% Owner | Sale | 250,000 | $1.88 | $470K | SEC |
| Sep 10, 2026 | Npeh, LLC | 10% Owner | Sale | 250,000 | $1.88 | $470K | SEC |
| Aug 27, 2026 | Npeh, LLC | 10% Owner | Sale | 242,900 | $1.91 | $463K | SEC |
| Aug 27, 2026 | 8 Rivers Capital, LLC | 10% Owner | Sale | 242,900 | $1.91 | $463K | SEC |
| Aug 14, 2026 | Npeh, LLC | 10% Owner | Sale | 757,100 | $1.84 | $1.4M | SEC |
| Aug 14, 2026 | 8 Rivers Capital, LLC | 10% Owner | Sale | 757,100 | $1.84 | $1.4M | SEC |
| Aug 11, 2026 | Npeh, LLC | 10% Owner | Sale | 150,745 | $1.55 | $234K | SEC |
| Aug 11, 2026 | 8 Rivers Capital, LLC | 10% Owner | Sale | 150,745 | $1.55 | $234K | SEC |
| Aug 6, 2026 | 8 Rivers Capital, LLC | 10% Owner | Sale | 349,255 | $1.52 | $531K | SEC |
| Aug 6, 2026 | Npeh, LLC | 10% Owner | Sale | 349,255 | $1.52 | $531K | SEC |
Who owns NPWR? Hedge funds and superinvestors
2 13F filers hold NPWR among their 50 largest positions, worth $18.6M combined. The biggest bets by portfolio weight are Share Andrew L. (8.4%) and Sourcerock Group LLC (0.1%).
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Share Andrew L.Investment manager | 8.4% | $16.3M | 9,767,500 | +0.0% shares | Q2 2026 |
| Sourcerock Group LLCHedge fund | 0.1% | $2.3M | 1,400,110 | -6.9% shares | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 2). Screen NPWR in the grand portfolio →
NPWR stock trades by members of Congress
No member of Congress has disclosed a trade in NPWR.
NPWR questions and answers
Are insiders buying NPWR stock?
Between Aug 1, 2026 and Oct 29, 2026, 2 NPWR insiders filed 10 sales worth $6.2M on SEC Form 4, and no open-market purchases.
Which hedge funds own NPWR?
2 13F filers hold NPWR among their 50 largest positions, worth $18.6M combined. The biggest bets by portfolio weight are Share Andrew L. (8.4%) and Sourcerock Group LLC (0.1%).
Has Congress traded NPWR?
No member of Congress has disclosed a trade in NPWR.
Who is the largest holder of NPWR?
Among 13F filers, Share Andrew L. reports the largest NPWR position, $16.3M (9,767,500 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Share Andrew L.'s: 8.4% of its portfolio.
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