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sellModerate cluster of 2

8 Rivers Capital, LLC sold $369k of NPWR

owner at Net Power Inc.. 175,000 shares at an average of $2.11, traded Feb 13, 2026, filed Feb 18, 2026.

Warning score
40
Value
$369k
175,000 shares
Holdings after
775,000
-18% from before
From 52-week low
+42%
low $1.50, close $2.13
From 52-week high
-74%
high $8.16, as of Feb 13, 2026

Score components

  • Role
    10% owner
    +12
  • Trade size
    $369k at market
    +15
  • Share of holdings sold
    Sold 18% of holdings
    +5
  • Cluster
    2 insiders selling within 14 days
    +8

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 -20.1%, 3m -12.9%, 6m -20.1%.

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 9, 2026 · close 1.23
Since filing Feb 18, 2026: -41.1%SPY +14.3% · excess -55.4%

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 0001104659-26-017183, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 13, 2026SOpen-market sale
Class A Common Stockindirect: By: NPEH, LLC
-100,000$2.14$214k850,000Feb 18, 2026
Feb 18, 2026SOpen-market sale
Class A Common Stockindirect: By: NPEH, LLC
-75,000$2.07$155k775,000Feb 18, 2026

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.

8 Rivers Capital, LLC sold $369k of NPWR | InsiderTell