8 Rivers Capital, LLC
SEC Form 4 insider trading activity
8 Rivers Capital, LLC has filed 29 SEC Form 4 filings (72 transaction rows) across 1 company, with disclosures dating back to 2025. 29 of those filings fall inside the rolling window. Most recent filing: Aug 27, 2026.
On the most recent filing, 8 Rivers Capital, LLC is listed as 10% Owner at Net Power Inc. Inside the rolling window, 8 Rivers Capital, LLC reported no open-market purchases and 63 open-market sales totaling $21.4M in NPWR. The largest disclosed transaction in the window is a sale of 786,832 NPWR shares on Oct 29, 2025, worth $3.2M.
Companies traded
Other insiders at NPWR
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$21.4M
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| NPWR | 10% Owner | Sale | 201,550 | $384K | Aug 27 | SEC ↗ | |
| NPWR | 10% Owner | Sale | 41,350 | $79K | Aug 27 | SEC ↗ | |
| NPWR | 10% Owner | Sale | 50,000 | $82K | Aug 14 | SEC ↗ | |
| NPWR | 10% Owner | Sale | 200,000 | $324K | Aug 14 | SEC ↗ | |
| NPWR | 10% Owner | Sale | 507,100 | $991K | Aug 14 | SEC ↗ | |
| NPWR | 10% Owner | Sale | 60,345 | $92K | Aug 11 | SEC ↗ | |
| NPWR | 10% Owner | Sale | 55,400 | $86K | Aug 11 | SEC ↗ | |
| NPWR | 10% Owner | Sale | 35,000 | $56K | Aug 11 | SEC ↗ | |
| NPWR | 10% Owner | Sale | 120,000 | $185K | Aug 6 | SEC ↗ | |
| NPWR | 10% Owner | Sale | 140,000 | $211K | Aug 6 | SEC ↗ | |
| NPWR | 10% Owner | Sale | 89,255 | $134K | Aug 6 | SEC ↗ | |
| NPWR | 10% Owner | Sale | 55,858 | $82K | Jul 30 | SEC ↗ | |
| NPWR | 10% Owner | Sale | 45,000 | $63K | Jul 30 | SEC ↗ | |
| NPWR | 10% Owner | Sale | 155,000 | $221K | Jul 30 | SEC ↗ | |
| NPWR | 10% Owner | Sale | 80,000 | $122K | Jul 23 | SEC ↗ | |
| NPWR | 10% Owner | Sale | 90,000 | $137K | Jul 23 | SEC ↗ | |
| NPWR | 10% Owner | Sale | 39,142 | $59K | Jul 23 | SEC ↗ | |
| NPWR | 10% Owner | Sale | 400,000 | $976K | May 14 | SEC ↗ | |
| NPWR | 10% Owner | Sale | 35,000 | $85K | May 14 | SEC ↗ | |
| NPWR | 10% Owner | Sale | 100,000 | $204K | Mar 5 | SEC ↗ | |
| NPWR | 10% Owner | Sale | 1,881 | $4K | Mar 2 | SEC ↗ | |
| NPWR | 10% Owner | Sale | 4,744 | $9K | Mar 2 | SEC ↗ | |
| NPWR | 10% Owner | Sale | 79,858 | $164K | Mar 2 | SEC ↗ | |
| NPWR | 10% Owner | Sale | 125,000 | $268K | Feb 23 | SEC ↗ | |
| NPWR | 10% Owner | Sale | 63,517 | $129K | Feb 23 | SEC ↗ |
Frequently asked questions
How many SEC Form 4 filings has 8 Rivers Capital, LLC made?
8 Rivers Capital, LLC has filed 29 SEC Form 4 filings (72 transaction rows) across 1 company since 2025.
Which companies does 8 Rivers Capital, LLC trade?
8 Rivers Capital, LLC has filed SEC Form 4 disclosures for 1 company, including NPWR.
When was 8 Rivers Capital, LLC's most recent SEC Form 4 filing?
8 Rivers Capital, LLC's most recent SEC Form 4 filing on Tracefour is dated Aug 27, 2026.
What is 8 Rivers Capital, LLC's total buy and sell value in the current window?
Inside the rolling retention window, 8 Rivers Capital, LLC bought $0 and sold $21.4M based on SEC Form 4 filings.
What was 8 Rivers Capital, LLC's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 786,832 NPWR shares on 2025-10-29, worth $3.2M, per SEC Form 4 filings.