Form 4 for POWL POWELL INDUSTRIES INC

Accepted 2026-02-09 00:00:00 ET · period of report 2026-02-06 · accession 0000080420-26-000019 · 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
M	2026-02-09	2026-02-06	POWL	McKertcher Terry B	VP, Ops	S - Sale	$557.44	-3,000	4,433	-40%	-$1.67M

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2026-02-06	S	D	700	$560.05	4,933	D	—	—	(F3) The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $560.05-$560.34, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote. (F1) Includes shares that have a time-based vesting provision.
2	Common	Common Stock	2026-02-06	S	D	1,300	$555.96	5,633	D	—	—	(F2) The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $555.74-$556.23, inclusive. Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote. (F1) Includes shares that have a time-based vesting provision.
3	Common	Common Stock	2026-02-06	S	D	500	$550.00	6,933	D	—	—	(F1) Includes shares that have a time-based vesting provision.
4	Common	Common Stock	2026-02-06	S	D	500	$565.06	4,433	D	—	—	(F1) Includes shares that have a time-based vesting provision.