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sellModerate

Sk Inc. sold $6.5M of NPWR

owner at Net Power Inc.. 2,500,000 shares at an average of $2.61, traded Jul 15, 2025, filed Jul 17, 2025.

Warning score
57
Value
$6.5M
2,500,000 shares
Holdings after
0
-100% from before
From 52-week low
+96%
low $1.50, close $2.94
From 52-week high
-78%
high $13.29, as of Jul 15, 2025

Score components

  • Role
    10% owner
    +12
  • Trade size
    $6.5M at market
    +25
  • Share of holdings sold
    Sold 100% of holdings
    +20
  • Cluster
    No other insider selling within 14 days
    0

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 -14.7%, 3m +45.9%, 6m -10.0%.

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 Jul 17, 2025: -55.9%SPY +25.7% · excess -81.6%

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 0000950170-25-096435, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jul 15, 2025SOpen-market sale
Class A Common Stockindirect: By: Tillandsia
-2,500,000$2.61$6.5M0Jul 17, 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%
47Moderate
NPWRsell
Net Power Inc.
8 Rivers Capital, LLC
owner
$1.4M
757,100 shares
-38%
25Weak
NPWRsell
Net Power Inc.
8 Rivers Capital, LLC
owner
$234k
150,745 shares
-7%
35Weak
NPWRsell
Net Power Inc.
8 Rivers Capital, LLC
owner
$531k
349,255 shares
-14%
27Weak
NPWRsell
Net Power Inc.
8 Rivers Capital, LLC
owner
$367k
255,858 shares
-9%
26Weak
NPWRsell
Net Power Inc.
8 Rivers Capital, LLC
owner
$319k
209,142 shares
-7%
50Moderate
NPWRsell 2
Net Power Inc.
8 Rivers Capital, LLC
owner
$1.1M
435,000 shares
-13%
50Moderate
NPWRsell 2
Net Power Inc.
Npeh, LLC
owner
$1.1M
435,000 shares
-13%

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.

Sk Inc. sold $6.5M of NPWR | InsiderTell