John Birchall - 01 Dec 2025 Form 4 Insider Report for POWELL INDUSTRIES INC (POWL)

Role: Managing Director
Signature: Michael W. Metcalf, Power of Attorney for John Birchall
Issuer symbol: POWL
Transactions as of: 01 Dec 2025
Net transactions value: +$756,072
Form type: 4
Filing time: 03 Dec 2025, 16:48:19 UTC
Previous filing: 01 Oct 2025
Next filing: 10 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Birchall John	Managing Director	8550 MOSLEY ROAD, HOUSTON	Michael W. Metcalf, Power of Attorney for John Birchall	03 Dec 2025	0002025235

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	POWL	Common Stock	Award	$756,072	+2,400	+37%	$315.03	8,967	01 Dec 2025	Direct	F1, F2, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Shares granted under the Company's long-term equity compensation plan (performance-vesting restricted stock unit agreement).
F2	Represents the average of the high and low stock price on 12/01/2025.
F3	Includes shares that have a time-based vesting provision.