RL
Insider
8 Rivers Capital, LLC
10% owner8 Rivers Capital, LLC (10% owner) filed 12 Form 4 reports as a reporting entity in the trailing twelve months (0 purchases, 12 sales), most often in NET Power Inc. (NPWR). The largest single filing was $1.6M of NPWR (588,653 sh across 2 lots, as filed), executed Nov 17 2025.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
12
0 buys · 12 sells
Median delay
–
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$8.3M
shares × price, as filed
Last traded
Sep 9
Filed Sep 10
Median ADV $1.3M across their filed names
Open performance→Volume by month
Buys $0
Sells $8.3M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Industrials
12 filings
Sector per market data · by filing · past 12 months
Most traded names
NPWRRecent filings
NPWRSALE
NET Power Inc.
View filing →
$1.3M500,000 sh across 3 lots
Exec Jan 14
Filed Jan 16 · 5:30 PM ET NPWRSALE NET Power Inc. View filing → $742K
330,000 sh across 3 lots
Exec Dec 19 2025
Filed Dec 23 2025 · 5:30 PM ET NPWRSALE NET Power Inc. View filing → $890K
310,000 sh across 3 lots
Exec Dec 4 2025
Filed Dec 8 2025 · 5:30 PM ET NPWRSALE NET Power Inc. View filing → $1.6M
588,653 sh across 2 lots
Exec Nov 17 2025
Filed Nov 19 2025 · 5:30 PM ET NPWRSALE NET Power Inc. View filing → $259K
36,752 sh × $7.05
Exec Sep 16 2024
Filed Sep 16 2024 · 5:30 PM ET NPWRSALE NET Power Inc. View filing → $610K
81,177 sh across 2 lots
Exec Sep 9 2024
Filed Sep 11 2024 · 5:30 PM ET