William Marshall Mauney Jr sold $56k of POWL
Vice President, R&D at POWELL INDUSTRIES INC. 301 shares at an average of $187.67, traded Sep 30, 2026, filed Oct 2, 2026.
Score components
- +15RoleOfficer
- +7Trade size$56k at market
- 0Share of holdings soldSold 2.8% of holdings
- +8Cluster2 insiders selling within 14 days
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.
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.
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 0000080420-26-000131, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Sep 30, 2026 | SOpen-market sale Common Stock | -301 | $187.67 | $56k | 10,552 | 12 d ago |
| Oct 1, 2026 | AGrant or award Common Stock | +525 | $181.67 | $95k | 11,077 | 12 d ago |
Related signals
Other insiders at POWELL INDUSTRIES INC and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 57Moderate | POWELL INDUSTRIES INC | Brett Alan Cope President & CEO | $901k 4,799 shares | -1% | |
| 20Weak | POWELL INDUSTRIES INC | Richard E Williams director | $457k 2,250 shares | -6% | |
| 37Weak | POWELL INDUSTRIES INC | Brett Alan Cope President & CEO | $932k 4,500 shares | -1% | |
| 45Moderate | POWELL INDUSTRIES INC | Brett Alan Cope President & CEO | $1.1M 4,440 shares | -1% | |
| 50Moderate | POWELL INDUSTRIES INC | Brett Alan Cope President & CEO | $360 36,000 shares | -6% | |
| 35Weak | POWELL INDUSTRIES INC | Michael William Metcalf Exec Vice President | $1.3M 4,500 shares | -5% | |
| 52Moderate | POWELL INDUSTRIES INC | Thomas W Powell owner | $10M 33,958 shares | -6% | |
| 45Moderate | POWELL INDUSTRIES INC | Brett Alan Cope President & CEO | $1.2M 4,440 shares | -1% | |
| 36Weak | POWELL INDUSTRIES INC | Mohit Singh director | $396k 1,350 shares | -33% | |
| 45Moderate | POWELL INDUSTRIES INC | Brett Alan Cope President & CEO | $1.3M 4,440 shares | -1% |
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.