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sellModerate cluster of 3

Npeh, LLC sold $1.9M of NPWR

owner at NET Power Inc.. 516,683 shares at an average of $3.72, traded Oct 23, 2025, filed Oct 27, 2025.

Warning score
57
Value
$1.9M
516,683 shares
Holdings after
2,767,417
-16% from before
From 52-week low
+139%
low $1.50, close $3.58
From 52-week high
-73%
high $13.29, as of Oct 23, 2025

Score components

  • Role
    10% owner
    +12
  • Trade size
    $1.9M at market
    +25
  • Share of holdings sold
    Sold 16% of holdings
    +5
  • Cluster
    3 insiders selling within 14 days
    +15

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m -22.8%, 3m -36.0%, 6m -51.8%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

NPWROct 13, 2026 · close 1.19
Since filing Oct 27, 2025: -67.8%SPY +14.8% · excess -82.5%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001104659-25-102684, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Oct 23, 2025SOpen-market sale
Class A Common Stock
-284,100$3.69$1.0M3,000,000Oct 27, 2025
Oct 24, 2025SOpen-market sale
Class A Common Stock
-32,583$3.70$121k2,967,417Oct 27, 2025
Oct 27, 2025SOpen-market sale
Class A Common Stock
-200,000$3.77$753k2,767,417Oct 27, 2025

Related signals

Other insiders at NET Power Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
47Moderate
NPWRsell 2
NET Power Inc.
8 Rivers Capital, LLC
owner
$470k
250,000 shares
-25%
47Moderate
NPWRsell 2
NET Power Inc.
Npeh, LLC
owner
$470k
250,000 shares
-25%
42Moderate
NPWRsell 2
NET Power Inc.
8 Rivers Capital, LLC
owner
$463k
242,900 shares
-20%
42Moderate
NPWRsell 2
NET Power Inc.
Npeh, LLC
owner
$463k
242,900 shares
-20%
55Moderate
NPWRsell 2
NET Power Inc.
8 Rivers Capital, LLC
owner
$1.4M
757,100 shares
-38%
55Moderate
NPWRsell 2
NET Power Inc.
Npeh, LLC
owner
$1.4M
757,100 shares
-38%
33Weak
NPWRsell 2
NET Power Inc.
8 Rivers Capital, LLC
owner
$234k
150,745 shares
-7%
33Weak
NPWRsell 2
NET Power Inc.
Npeh, LLC
owner
$234k
150,745 shares
-7%
43Moderate
NPWRsell 2
NET Power Inc.
8 Rivers Capital, LLC
owner
$531k
349,255 shares
-14%
43Moderate
NPWRsell 2
NET Power Inc.
Npeh, LLC
owner
$531k
349,255 shares
-14%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Npeh, LLC sold $1.9M of NPWR | InsiderTell