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sellModerate cluster of 3

Thomas W Powell sold $25M of POWL

owner at POWELL INDUSTRIES INC. 49,778 shares at an average of $502.23, traded Mar 19, 2026, filed Mar 23, 2026.

Warning score
52
Value
$25M
49,778 shares
Holdings after
598,694
-8% from before
From 52-week low
+231%
low $52.88, close $175.00
From 52-week high
-11%
high $197.38, as of Mar 19, 2026

Score components

  • Role
    10% owner
    +12
  • Trade size
    $25.0M at market
    +25
  • Share of holdings sold
    Sold 7.7% of holdings
    0
  • 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 +34.2%, 3m +70.2%, 6m +3.8%.

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.

POWLOct 13, 2026 · close 182.79
Since filing Mar 23, 2026: +1.1%SPY +19.3% · excess -18.2%

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 0001219199-26-000004, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 19, 2026SOpen-market sale
Common Stock
-49,778$502.23$25M598,694Mar 23, 2026

Related signals

Other insiders at POWELL INDUSTRIES INC and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
57Moderate
POWLsell 2
POWELL INDUSTRIES INC
Brett Alan Cope
President & CEO
$901k
4,799 shares
-1%
30Weak
POWLsell 2
POWELL INDUSTRIES INC
William Marshall Mauney Jr
Vice President, R&D
$56k
301 shares
-3%
20Weak
POWLsell 210b5-1
POWELL INDUSTRIES INC
Richard E Williams
director
$457k
2,250 shares
-6%
37Weak
POWLsell 210b5-1
POWELL INDUSTRIES INC
Brett Alan Cope
President & CEO
$932k
4,500 shares
-1%
45Moderate
POWLsell 310b5-1
POWELL INDUSTRIES INC
Brett Alan Cope
President & CEO
$1.1M
4,440 shares
-1%
50Moderate
POWLsell 3
POWELL INDUSTRIES INC
Brett Alan Cope
President & CEO
$360
36,000 shares
-6%
35Weak
POWLsell 310b5-1
POWELL INDUSTRIES INC
Michael William Metcalf
Exec Vice President
$1.3M
4,500 shares
-5%
52Moderate
POWLsell 3
POWELL INDUSTRIES INC
Thomas W Powell
owner
$10M
33,958 shares
-6%
45Moderate
POWLsell 310b5-1
POWELL INDUSTRIES INC
Brett Alan Cope
President & CEO
$1.2M
4,440 shares
-1%
36Weak
POWLsell 310b5-1
POWELL INDUSTRIES INC
Mohit Singh
director
$396k
1,350 shares
-33%

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.

Thomas W Powell sold $25M of POWL | InsiderTell