SEC Form 4 · accession 0000080420-26-000111
POWELL INDUSTRIES INC · POWL
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Richard E Williams
Director
Period of report
Aug 14, 2026
Accepted (ET)
Aug 17, 2026 · 4:06 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0000080420
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1,F2 | Aug 14, 2026 | S | 2,250 | $203.05 | D | 37,380 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on April 6, 2026.
- F2Includes shares that have a time-based vesting provision.