Updated Jul 16, 2026
POWELL THOMAS W has filed 1 SEC Form 4 filing across 1 company in the last 90 days — selling. Lifetime open-market sales: $64.54M.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-26 | POWL | POWELL INDUSTRIES INC | S — Open-market sale | 34.0K | $294.49 | $10.00M |
| 2026-03-23 | POWL | POWELL INDUSTRIES INC | S — Open-market sale | 49.8K | $502.23 | $25.00M |
| 2026-03-12 | POWL | POWELL INDUSTRIES INC | G — Bona-fide gift | 2.0K | $0.00 | |
| 2026-03-12 | POWL | POWELL INDUSTRIES INC | G — Bona-fide gift | 2.0K | $0.00 | |
| 2026-02-26 | POWL | POWELL INDUSTRIES INC | S — Open-market sale | 318 | $560.37 | $178K |
| 2026-02-26 | POWL | POWELL INDUSTRIES INC | S — Open-market sale | 124 | $563.65 | $70K |
| 2026-02-26 | POWL | POWELL INDUSTRIES INC | S — Open-market sale | 223 | $562.25 | $125K |
| 2026-02-26 | POWL | POWELL INDUSTRIES INC | S — Open-market sale | 412 | $561.44 | $231K |
| 2026-02-26 | POWL | POWELL INDUSTRIES INC | S — Open-market sale | 400 | $560.30 | $224K |
| 2026-02-13 | POWL | POWELL INDUSTRIES INC | S — Open-market sale | 120 | $600.06 | $72K |
| 2026-02-13 | POWL | POWELL INDUSTRIES INC | S — Open-market sale | 80 | $602.58 | $48K |
| 2026-02-13 | POWL | POWELL INDUSTRIES INC | S — Open-market sale | 6.3K | $601.39 | $3.80M |
| 2026-02-13 | POWL | POWELL INDUSTRIES INC | S — Open-market sale | 8.5K | $600.56 | $5.11M |
| 2026-02-13 | POWL | POWELL INDUSTRIES INC | S — Open-market sale | 2.3K | $593.57 | $1.37M |
| 2026-02-13 | POWL | POWELL INDUSTRIES INC | S — Open-market sale | 8.0K | $592.27 | $4.72M |
| 2024-11-13 | POWL | POWELL INDUSTRIES INC | S — Open-market sale | 847 | $348.65 | $295K |
| 2024-11-13 | POWL | POWELL INDUSTRIES INC | S — Open-market sale | 3.8K | $347.71 | $1.30M |
| 2024-11-13 | POWL | POWELL INDUSTRIES INC | S — Open-market sale | 401 | $346.11 | $139K |
| 2024-11-13 | POWL | POWELL INDUSTRIES INC | S — Open-market sale | 445 | $346.08 | $154K |
| 2024-11-13 | POWL | POWELL INDUSTRIES INC | S — Open-market sale | 1.2K | $345.16 | $402K |
POWELL THOMAS W is a corporate insider — currently tracked as 10% Owner of POWELL INDUSTRIES INC (POWL). InsiderAlpha tracks every SEC Form 4 filing in real time.
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 33 open-market sales ($64.54M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Open the live POWELL THOMAS W profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.