InsiderTrades

Form 4 for POWL POWELL INDUSTRIES INC

Accepted 2026-08-17 16:06:12 ET · period of report 2026-08-14 · accession 0000080420-26-000111 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
T 2026-08-17 16:06 2026-08-14 POWL Williams Richard E Dir S - Sale $203.05 -2,250 37.4K -6% -$456.9K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-08-14 S D 2,250 $203.05 37,380 D — — (F1) The 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. (F2) Includes shares that have a time-based vesting provision.