0000080420-26-000050.txt : 20260316 0000080420-26-000050.hdr.sgml : 20260316 20260316160115 ACCESSION NUMBER: 0000080420-26-000050 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20260312 FILED AS OF DATE: 20260316 DATE AS OF CHANGE: 20260316 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: COPE BRETT ALAN CENTRAL INDEX KEY: 0001663174 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-12488 FILM NUMBER: 26756489 MAIL ADDRESS: STREET 1: 8550 MOSLEY ROAD CITY: HOUSTON STATE: TX ZIP: 77075 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: POWELL INDUSTRIES INC CENTRAL INDEX KEY: 0000080420 STANDARD INDUSTRIAL CLASSIFICATION: SWITCHGEAR & SWITCHBOARD APPARATUS [3613] ORGANIZATION NAME: 04 Manufacturing EIN: 880106100 STATE OF INCORPORATION: NV FISCAL YEAR END: 0930 BUSINESS ADDRESS: STREET 1: 8550 MOSLEY DR STREET 2: POST OFFICE BOX 12818 CITY: HOUSTON STATE: TX ZIP: 77075 BUSINESS PHONE: 7139446900 MAIL ADDRESS: STREET 1: 8550 MOSLEY DRIVE P O BOX 12818 STREET 2: 8550 MOSLEY DRIVE P O BOX 12818 CITY: HOUSTON STATE: TX ZIP: 77075 FORMER COMPANY: FORMER CONFORMED NAME: PROCESS SYSTEMS INC DATE OF NAME CHANGE: 19780926 4 1 wk-form4_1773691272.xml FORM 4 X0508 4 2026-03-12 0 0000080420 POWELL INDUSTRIES INC POWL 0001663174 COPE BRETT ALAN 8550 MOSLEY ROAD HOUSTON TX 77075 1 1 0 0 President & CEO 1 Common Stock 2026-03-12 2026-03-12 4 S 0 1480 504.80 D 169291 D The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 26, 2025. Includes shares that have a time-based vesting provision. Michael W. Metcalf, Power of Attorney for Brett A. Cope 2026-03-16