0001219199-23-000004.txt : 20231219 0001219199-23-000004.hdr.sgml : 20231219 20231219160521 ACCESSION NUMBER: 0001219199-23-000004 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231208 FILED AS OF DATE: 20231219 DATE AS OF CHANGE: 20231219 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: POWELL THOMAS W CENTRAL INDEX KEY: 0001219199 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-12488 FILM NUMBER: 231497284 MAIL ADDRESS: STREET 1: P.O. BOX 300 CITY: GIDDINGS STATE: TX ZIP: 78942 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: POWELL INDUSTRIES INC CENTRAL INDEX KEY: 0000080420 STANDARD INDUSTRIAL CLASSIFICATION: SWITCHGEAR & SWITCHBOARD APPARATUS [3613] ORGANIZATION NAME: 04 Manufacturing IRS NUMBER: 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 primary_doc.xml PRIMARY DOCUMENT X0508 4 2023-12-08 0 0000080420 POWELL INDUSTRIES INC POWL 0001219199 POWELL THOMAS W P.O. BOX 300 GIDDINGS TX 78942 0 0 1 0 0 Common Stock 2023-12-08 4 S 0 11295 86.0056 D 1787333 I Held in TWP Holdings Common Stock 2023-12-08 4 S 0 6795 86.7309 D 1780538 I Held in TWP Holdings Common Stock 2023-12-08 4 S 0 1910 87.5846 D 1778628 I Held in TWP Holdings Common Stock 2023-12-11 4 S 0 2500 89.92 D 1776128 I Held in TWP Holdings Common Stock 2023-12-11 4 S 0 6200 91.25 D 1769928 I Held in TWP Holdings Common Stock 2023-12-11 4 S 0 1300 91.87 D 1768628 I Held in TWP Holdings Common Stock 2023-12-12 4 S 0 3722 90.2572 D 1764906 I Held in TWP Holdings Common Stock 2023-12-12 4 S 0 921 91.1891 D 1763985 I Held in TWP Holdings Common Stock 725643 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $85.82 to $86.255, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $86.255 to $87.16, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $87.21 to $88.295, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $89.51 to $90.49, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $90.755 to $91.74, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $91.80 to $91.89, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $90 to $90.78, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $91.13 to $91.23, inclusive. /s/ Thomas W. Powell 2023-12-19