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sellModerate cluster of 2

John Birchall sold $780k of POWL

Managing Director at POWELL INDUSTRIES INC. 3,000 shares at an average of $260.03, traded Aug 26, 2025, filed Aug 27, 2025.

Warning score
55
Value
$780k
3,000 shares
Holdings after
6,700
-31% from before
From 52-week low
+76%
low $51.61, close $90.89
From 52-week high
-22%
high $116.66, as of Aug 26, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $780k at market
    +22
  • Share of holdings sold
    Sold 31% of holdings
    +10
  • 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 +6.1%, 3m +17.4%, 6m +100.4%.

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 9, 2026 · close 191.93
Since filing Aug 27, 2025: +110.3%SPY +22.0% · excess +88.3%

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 0000080420-25-000107, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 26, 2025SOpen-market sale
Common Stock
-3,000$260.03$780k6,700Aug 27, 2025

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.

John Birchall sold $780k of POWL | InsiderTell