NPWR
NET Power Inc.
NYSE · Industrials · Industrial - Machinery · US
$1.01
+1.00%0
Insider buys (3m)
38
Insider sells (3m)
-$7.6M
Net value (3m)
-35.2%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Oct 8, 2026 | Shuman Ned Leland · officer: Chief Financial Officer | A-Award | 529,801 | $0.00 |
| Sep 10, 2026 | NPEH, LLC · 10 percent owner | Sale | 150,000 | $1.84 |
| Sep 10, 2026 | NPEH, LLC · 10 percent owner | Sale | 100,000 | $1.94 |
| Sep 10, 2026 | 8 Rivers Capital, LLC · 10 percent owner | Sale | 100,000 | $1.94 |
| Sep 10, 2026 | 8 Rivers Capital, LLC · 10 percent owner | Sale | 150,000 | $1.84 |
| Aug 31, 2026 | Kelliher Joseph T · director | A-Award | 71,770 | $0.00 |
| Aug 31, 2026 | Alexander Ralph · director | A-Award | 71,770 | $0.00 |
| Aug 31, 2026 | Veltmann Alejandra · director | A-Award | 71,770 | $0.00 |
| Aug 31, 2026 | PETERSON CAROL R. · director | A-Award | 71,770 | $0.00 |
| Aug 27, 2026 | NPEH, LLC · 10 percent owner | Sale | 41,350 | $1.91 |
| Aug 27, 2026 | 8 Rivers Capital, LLC · 10 percent owner | Sale | 201,550 | $1.91 |
| Aug 27, 2026 | NPEH, LLC · 10 percent owner | Sale | 201,550 | $1.91 |
| Aug 27, 2026 | 8 Rivers Capital, LLC · 10 percent owner | Sale | 41,350 | $1.91 |
| Aug 14, 2026 | NPEH, LLC · 10 percent owner | Sale | 50,000 | $1.63 |
| Aug 14, 2026 | 8 Rivers Capital, LLC · 10 percent owner | Sale | 507,100 | $1.95 |
| Aug 14, 2026 | 8 Rivers Capital, LLC · 10 percent owner | Sale | 50,000 | $1.63 |
| Aug 14, 2026 | NPEH, LLC · 10 percent owner | Sale | 507,100 | $1.95 |
| Aug 14, 2026 | NPEH, LLC · 10 percent owner | Sale | 200,000 | $1.62 |
| Aug 14, 2026 | 8 Rivers Capital, LLC · 10 percent owner | Sale | 200,000 | $1.62 |
| Aug 11, 2026 | NPEH, LLC · 10 percent owner | Sale | 35,000 | $1.60 |
| Aug 11, 2026 | NPEH, LLC · 10 percent owner | Sale | 60,345 | $1.53 |
| Aug 11, 2026 | NPEH, LLC · 10 percent owner | Sale | 55,400 | $1.55 |
| Aug 11, 2026 | 8 Rivers Capital, LLC · 10 percent owner | Sale | 60,345 | $1.53 |
| Aug 11, 2026 | 8 Rivers Capital, LLC · 10 percent owner | Sale | 55,400 | $1.55 |
| Aug 11, 2026 | 8 Rivers Capital, LLC · 10 percent owner | Sale | 35,000 | $1.60 |
| Aug 6, 2026 | NPEH, LLC · 10 percent owner | Sale | 89,255 | $1.51 |
| Aug 6, 2026 | NPEH, LLC · 10 percent owner | Sale | 140,000 | $1.51 |
| Aug 6, 2026 | NPEH, LLC · 10 percent owner | Sale | 120,000 | $1.54 |
| Aug 6, 2026 | 8 Rivers Capital, LLC · 10 percent owner | Sale | 89,255 | $1.51 |
| Aug 6, 2026 | 8 Rivers Capital, LLC · 10 percent owner | Sale | 140,000 | $1.51 |
Institutional positioning
13F filings over the trailing two quarters
New 37Increased 85Reduced 63Sold out 16
| Filer | Action | Shares | Filed |
|---|---|---|---|
| SHARE ANDREW L. | Unchanged | 9,767,500 | Apr 28, 2026 |
| Share Andrew L. | Unchanged | 9,767,500 | Jul 28, 2026 |
| PEAK6 LLC | Increased | 3,430,054 | Aug 13, 2026 |
| HITE Hedge Asset Management LLC | Increased | 2,852,670 | Aug 14, 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Increased | 2,840,000 | Aug 14, 2026 |
| HITE HEDGE ASSET MANAGEMENT LLC | Increased | 2,763,424 | May 15, 2026 |
| BlackRock, Inc. | Increased | 2,416,294 | Aug 7, 2026 |
| PEAK6 LLC | Reduced | 2,287,515 | May 14, 2026 |
| BLACKROCK, INC. | Increased | 2,142,916 | May 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 1,802,372 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 1,643,795 | May 15, 2026 |
| Defiance ETFs, LLC | Increased | 1,555,837 | Aug 14, 2026 |
| Tidal Investments LLC | Increased | 1,546,562 | Aug 13, 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Unchanged | 1,540,000 | May 15, 2026 |
| SOURCEROCK GROUP LLC | Increased | 1,504,126 | May 15, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Oct 8, 2026