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Powell Industries Inc(POWL US)

$142.72+0.950.67%Ext:$142.46-0.260.18%(Market Closed · 00:54:37 UTC)

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Powell Industries Inc(POWL US)

$142.72+0.950.67%Ext:$142.46-0.260.18%(Market Closed · 00:54:37 UTC)

Doc Search Profile Entity StructureFinancials Charting Short Interest Employees

Overview

Profile Entity Structure

Documents

SEC Filings

Categorized Chronological By Owner

Financials & Metrics

Financials Charting Short Interest Employees

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POWL US

Home Stock Screener Document Search Charting Watchlists Recent Filings

Powell Industries Inc(POWL US)

$142.72+0.950.67%Ext:$142.46-0.260.18%(Market Closed · 00:54:37 UTC)

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Doc Search Profile Entity StructureFinancials Charting Short Interest Employees

Overview

Profile Entity Structure

Documents

SEC Filings

Categorized Chronological By Owner

Financials & Metrics

Financials Charting Short Interest Employees

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POWL US

Home Stock Screener Document Search Charting Watchlists Recent Filings

Powell Industries Inc(POWL US)

$142.72+0.950.67%Ext:$142.46-0.260.18%(Market Closed · 00:54:37 UTC)

Ask AI

Doc Search Profile Entity StructureFinancials Charting Short Interest Employees

Overview

Profile Entity Structure

Documents

SEC Filings

Categorized Chronological By Owner

Financials & Metrics

Financials Charting Short Interest Employees

POWL US

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POWL US

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SEC Filings by Owner

Insider Ownership

POWELL THOMAS W(99)

Form 4PRIMARY DOCUMENT26 Jun
Form 4PRIMARY DOCUMENT23 Mar
Form 4PRIMARY DOCUMENT12 Mar
Form 4PRIMARY DOCUMENT26 Feb
Form 4PRIMARY DOCUMENT13 Feb
Form 4PRIMARY DOCUMENT13 Nov 2024
Form 4PRIMARY DOCUMENT15 Oct 2024
Form 4PRIMARY DOCUMENT11 Oct 2024
Form 4PRIMARY DOCUMENT9 Oct 2024
Form 4PRIMARY DOCUMENT26 Sep 2024

HONEYCUTT MILBURN E(44)

Form 4Statement of changes in beneficial ownership10 Jan 2024
Form 4Statement of changes in beneficial ownership15 Dec 2023
Form 4Statement of changes in beneficial ownership1 Dec 2023
Form 4Statement of changes in beneficial ownership3 Oct 2023
Form 4Statement of changes in beneficial ownership8 Aug 2023
Form 4/AStatement of changes in beneficial ownership (amendment)3 Feb 2023
Form 4Statement of changes in beneficial ownership13 Dec 2022
Form 4Statement of changes in beneficial ownership5 Dec 2022
Form 4Statement of changes in beneficial ownership4 Oct 2022
Form 4Statement of changes in beneficial ownership7 Dec 2021

BECHERER JOSEPH L(42)

Form 4Statement of changes in beneficial ownership21 Sep 2015
Form 4Statement of changes in beneficial ownership19 Jun 2015
Form 4Statement of changes in beneficial ownership24 Mar 2015
Form 4Statement of changes in beneficial ownership27 Feb 2015
Form 4Statement of changes in beneficial ownership6 Mar 2014
Form 4Statement of changes in beneficial ownership19 Dec 2014
Form 4Statement of changes in beneficial ownership21 Feb 2013
Form 4Statement of changes in beneficial ownership25 Jun 2012
Form 4Statement of changes in beneficial ownership4 Apr 2011
Form 4Statement of changes in beneficial ownership17 Jun 2010

COPE BRETT ALAN(39)

Form 4Statement of changes in beneficial ownership2 Oct
Form 4Statement of changes in beneficial ownership14 Aug
Form 4Statement of changes in beneficial ownership10 Jul
Form 4Statement of changes in beneficial ownership6 Jul
Form 4Statement of changes in beneficial ownership12 Jun
Form 4Statement of changes in beneficial ownership15 May
Form 4Statement of changes in beneficial ownership13 Apr
Form 4Statement of changes in beneficial ownership16 Mar
Form 4Statement of changes in beneficial ownership6 Jan
Form 4Statement of changes in beneficial ownership3 Dec 2025

CRAGG CHRISTOPHER E(32)

Form 4Statement of changes in beneficial ownership27 Aug 2025
Form 4Statement of changes in beneficial ownership21 Feb 2025
Form 4Statement of changes in beneficial ownership26 Sep 2024
Form 4Statement of changes in beneficial ownership22 Feb 2024
Form 4Statement of changes in beneficial ownership20 Feb 2024
Form 4Statement of changes in beneficial ownership24 Aug 2023
Form 4Statement of changes in beneficial ownership17 Feb 2023
Form 4Statement of changes in beneficial ownership16 Feb 2022
Form 4Statement of changes in beneficial ownership2 Mar 2021
Form 4Statement of changes in beneficial ownership21 Feb 2020

METCALF MICHAEL WILLIAM(25)

Form 4Statement of changes in beneficial ownership2 Oct
Form 4Statement of changes in beneficial ownership1 Jul
Form 4Statement of changes in beneficial ownership2 Apr
Form 4Statement of changes in beneficial ownership6 Jan
Form 4Statement of changes in beneficial ownership3 Dec 2025
Form 4Statement of changes in beneficial ownership1 Oct 2025
Form 4Statement of changes in beneficial ownership24 Sep 2025
Form 4Statement of changes in beneficial ownership30 Jun 2025
Form 4Statement of changes in beneficial ownership18 Jun 2025
Form 4Statement of changes in beneficial ownership27 Mar 2025

MADISON DON R(24)

Form 4Statement of changes in beneficial ownership20 Dec 2018
Form 4Statement of changes in beneficial ownership12 Dec 2018
Form 4Statement of changes in beneficial ownership15 Oct 2018
Form 4Statement of changes in beneficial ownership4 Oct 2017
Form 4Statement of changes in beneficial ownership4 Oct 2016
Form 4Statement of changes in beneficial ownership6 Jul 2016
Form 4Statement of changes in beneficial ownership10 Mar 2016
Form 4Statement of changes in beneficial ownership5 Oct 2015
Form 4/AStatement of changes in beneficial ownership (amendment)6 Oct 2015
Form 4Statement of changes in beneficial ownership3 Dec 2014

BUTLER EUGENE L(24)

Form 4Statement of changes in beneficial ownership1 Mar 2017
Form 4Statement of changes in beneficial ownership26 Feb 2016
Form 4Statement of changes in beneficial ownership27 Feb 2015
Form 4Statement of changes in beneficial ownership6 Mar 2014
Form 4Statement of changes in beneficial ownership11 Mar 2013
Form 4Statement of changes in beneficial ownership21 Feb 2013
Form 4Statement of changes in beneficial ownership25 Jun 2012
Form 4Statement of changes in beneficial ownership1 Jun 2011
Form 4Statement of changes in beneficial ownership25 Mar 2011
Form 4Statement of changes in beneficial ownership17 Jun 2010

TRANCHON ROBERT C(21)

Form 4Statement of changes in beneficial ownership27 Feb 2015
Form 4Statement of changes in beneficial ownership19 Mar 2014
Form 4/AStatement of changes in beneficial ownership (amendment)21 Mar 2014
Form 4Statement of changes in beneficial ownership7 Mar 2014
Form 4Statement of changes in beneficial ownership18 Mar 2013
Form 4Statement of changes in beneficial ownership21 Feb 2013
Form 4Statement of changes in beneficial ownership25 Jun 2012
Form 4Statement of changes in beneficial ownership18 Mar 2011
Form 4Statement of changes in beneficial ownership17 Jun 2010
Form 4Statement of changes in beneficial ownership22 Jun 2009

SEALE STEPHEN W JR(20)

Form 4Statement of changes in beneficial ownership1 Mar 2017
Form 4Statement of changes in beneficial ownership26 Feb 2016
Form 4Statement of changes in beneficial ownership5 Oct 2015
Form 3Initial statement of beneficial ownership1 Oct 2015
Form 4Statement of changes in beneficial ownership25 Jun 2012
Form 4Statement of changes in beneficial ownership17 Jun 2010
Form 4Statement of changes in beneficial ownership22 Jun 2009
Form 4Statement of changes in beneficial ownership3 Jul 2008
Form 4Statement of changes in beneficial ownership13 May 2008
Form 4Statement of changes in beneficial ownership3 Jan 2008

WOLNY RONALD J(19)

Form 4Statement of changes in beneficial ownership17 Jun 2010
Form 4Statement of changes in beneficial ownership22 Jun 2009
Form 4Statement of changes in beneficial ownership3 Jul 2008
Form 4Statement of changes in beneficial ownership4 Jun 2008
Form 4Statement of changes in beneficial ownership3 Jan 2007
Form 4Statement of changes in beneficial ownership29 Jun 2007
Form 4Statement of changes in beneficial ownership31 Jan 2006
Form 4Statement of changes in beneficial ownership14 Jun 2005
Form 4Statement of changes in beneficial ownership25 Feb 2005
Form 4Statement of changes in beneficial ownership15 Sep 2004

WHITE JOHN DAVID(17)

Form 4Statement of changes in beneficial ownership24 May 2023
Form 4Statement of changes in beneficial ownership15 May 2023
Form 4Statement of changes in beneficial ownership17 Feb 2023
Form 4Statement of changes in beneficial ownership16 Feb 2022
Form 4/AStatement of changes in beneficial ownership (amendment)17 May 2021
Form 4Statement of changes in beneficial ownership13 May 2021
Form 4Statement of changes in beneficial ownership2 Mar 2021
Form 4Statement of changes in beneficial ownership21 Feb 2020
Form 4Statement of changes in beneficial ownership22 Feb 2019
Form 4Statement of changes in beneficial ownership22 Feb 2018

Williams Richard E(16)

Form 4Statement of changes in beneficial ownership17 Aug
Form 4Statement of changes in beneficial ownership15 May
Form 4Statement of changes in beneficial ownership19 Feb
Form 4Statement of changes in beneficial ownership21 Feb 2025
Form 4Statement of changes in beneficial ownership20 Feb 2024
Form 4Statement of changes in beneficial ownership15 Feb 2024
Form 4Statement of changes in beneficial ownership17 Feb 2023
Form 4Statement of changes in beneficial ownership16 Feb 2022
Form 4Statement of changes in beneficial ownership2 Mar 2021
Form 4Statement of changes in beneficial ownership21 Feb 2020

HANCOCK BONNIE V(13)

Form 4Statement of changes in beneficial ownership13 Aug 2019
Form 4Statement of changes in beneficial ownership22 Feb 2019
Form 4Statement of changes in beneficial ownership22 Feb 2018
Form 4Statement of changes in beneficial ownership1 Mar 2017
Form 4Statement of changes in beneficial ownership26 Feb 2016
Form 4Statement of changes in beneficial ownership27 Feb 2015
Form 4Statement of changes in beneficial ownership6 Mar 2014
Form 4Statement of changes in beneficial ownership11 Dec 2013
Form 4Statement of changes in beneficial ownership21 Feb 2013
Form 4Statement of changes in beneficial ownership13 Feb 2013

CLARK JAMES F(13)

Form 4Statement of changes in beneficial ownership7 Jan 2013
Form 4Statement of changes in beneficial ownership25 Jun 2012
Form 4Statement of changes in beneficial ownership20 Aug 2010
Form 4Statement of changes in beneficial ownership17 Jun 2010
Form 4Statement of changes in beneficial ownership22 Jun 2009
Form 4Statement of changes in beneficial ownership9 Jun 2009
Form 4Statement of changes in beneficial ownership3 Jul 2008
Form 4Statement of changes in beneficial ownership2 Jun 2008
Form 4Statement of changes in beneficial ownership12 Dec 2007
Form 4Statement of changes in beneficial ownership29 Jun 2007

Mauney William Marshall Jr(12)

Form 4Statement of changes in beneficial ownership2 Oct
Form 4Statement of changes in beneficial ownership13 May
Form 4Statement of changes in beneficial ownership22 Dec 2025
Form 4Statement of changes in beneficial ownership3 Dec 2025
Form 4Statement of changes in beneficial ownership1 Oct 2025
Form 4Statement of changes in beneficial ownership9 Sep 2025
Form 4Statement of changes in beneficial ownership6 Dec 2024
Form 4Statement of changes in beneficial ownership2 Oct 2024
Form 4Statement of changes in beneficial ownership10 Sep 2024
Form 4Statement of changes in beneficial ownership19 Aug 2024

McGill James W(11)

Form 4Statement of changes in beneficial ownership19 Feb
Form 4Statement of changes in beneficial ownership21 Feb 2025
Form 4Statement of changes in beneficial ownership27 Aug 2024
Form 4Statement of changes in beneficial ownership20 Feb 2024
Form 4Statement of changes in beneficial ownership17 Feb 2023
Form 4Statement of changes in beneficial ownership16 Feb 2022
Form 4Statement of changes in beneficial ownership2 Mar 2021
Form 4Statement of changes in beneficial ownership21 Feb 2020
Form 4Statement of changes in beneficial ownership22 Feb 2019
Form 4Statement of changes in beneficial ownership4 Apr 2018

Birchall John(10)

Form 4Statement of changes in beneficial ownership2 Oct
Form 4Statement of changes in beneficial ownership10 Feb
Form 4Statement of changes in beneficial ownership3 Dec 2025
Form 4Statement of changes in beneficial ownership1 Oct 2025
Form 4Statement of changes in beneficial ownership27 Aug 2025
Form 4Statement of changes in beneficial ownership4 Dec 2024
Form 4/AStatement of changes in beneficial ownership (amendment)6 Dec 2024
Form 4Statement of changes in beneficial ownership2 Oct 2024
Form 4Statement of changes in beneficial ownership4 Jun 2024
Form 3Initial statement of beneficial ownership30 May 2024

CURTIS KATHERYN BAUCOM(9)

Form 4Statement of changes in beneficial ownership19 Feb
Form 4Statement of changes in beneficial ownership21 Feb 2025
Form 4Statement of changes in beneficial ownership7 May 2024
Form 4Statement of changes in beneficial ownership20 Feb 2024
Form 4Statement of changes in beneficial ownership17 Feb 2023
Form 4Statement of changes in beneficial ownership16 Feb 2022
Form 4Statement of changes in beneficial ownership2 Mar 2021
Form 4Statement of changes in beneficial ownership21 Feb 2020
Form 3Initial statement of beneficial ownership19 Feb 2020

McKertcher Terry B(9)

Form 4Statement of changes in beneficial ownership2 Oct
Form 4Statement of changes in beneficial ownership9 Feb
Form 4Statement of changes in beneficial ownership8 Dec 2025
Form 4Statement of changes in beneficial ownership3 Dec 2025
Form 4Statement of changes in beneficial ownership2 Oct 2025
Form 4Statement of changes in beneficial ownership13 Aug 2025
Form 4Statement of changes in beneficial ownership4 Dec 2024
Form 4Statement of changes in beneficial ownership2 Oct 2024
Form 3Initial statement of beneficial ownership31 May 2024

ROZZELL SCOTT E(8)

Form 4Statement of changes in beneficial ownership1 Mar 2017
Form 4Statement of changes in beneficial ownership26 Feb 2016
Form 4Statement of changes in beneficial ownership27 Feb 2015
Form 4Statement of changes in beneficial ownership6 Mar 2014
Form 4Statement of changes in beneficial ownership21 Feb 2013
Form 4Statement of changes in beneficial ownership25 Jun 2012
Form 4Statement of changes in beneficial ownership16 Sep 2011
Form 3Initial statement of beneficial ownership16 Sep 2011

Ni Ping(7)

Form 4Statement of changes in beneficial ownership20 Oct
Form 4Statement of changes in beneficial ownership2 Oct
Form 4Statement of changes in beneficial ownership12 Feb
Form 4Statement of changes in beneficial ownership21 Oct 2025
Form 4Statement of changes in beneficial ownership1 Oct 2025
Form 4Statement of changes in beneficial ownership2 Oct 2024
Form 3Initial statement of beneficial ownership30 May 2024

MUDGE FREDERICK N(7)

Form 4Statement of changes in beneficial ownership6 Jan
Form 4Statement of changes in beneficial ownership3 Dec 2025
Form 4Statement of changes in beneficial ownership1 Oct 2025
Form 4Statement of changes in beneficial ownership28 Aug 2025
Form 4Statement of changes in beneficial ownership4 Dec 2024
Form 4Statement of changes in beneficial ownership2 Oct 2024
Form 3Initial statement of beneficial ownership4 Jun 2024

HOGLUND PETER G(7)

Form 4Statement of changes in beneficial ownership2 Oct
Form 4Statement of changes in beneficial ownership29 Jun
Form 4Statement of changes in beneficial ownership1 Oct 2025
Form 4Statement of changes in beneficial ownership30 Jun 2025
Form 4Statement of changes in beneficial ownership2 Oct 2024
Form 4Statement of changes in beneficial ownership28 Jun 2024
Form 3Initial statement of beneficial ownership28 Jun 2024

Elders Perry L(6)

Form 4Statement of changes in beneficial ownership16 Feb 2022
Form 4Statement of changes in beneficial ownership2 Mar 2021
Form 4Statement of changes in beneficial ownership21 Feb 2020
Form 4Statement of changes in beneficial ownership22 Feb 2019
Form 4Statement of changes in beneficial ownership22 Feb 2018
Form 3Initial statement of beneficial ownership4 Jan 2018

MCDONALD PATRICK L(6)

Form 4Statement of changes in beneficial ownership29 Dec 2010
Form 4Statement of changes in beneficial ownership5 Oct 2010
Form 4Statement of changes in beneficial ownership11 Dec 2009
Form 4Statement of changes in beneficial ownership5 Oct 2009
Form 4Statement of changes in beneficial ownership11 Dec 2008
Form 3Initial statement of beneficial ownership10 Jun 2008

Stacey John(6)

Form 4Statement of changes in beneficial ownership19 Feb
Form 4Statement of changes in beneficial ownership21 Feb 2025
Form 4Statement of changes in beneficial ownership20 Feb 2024
Form 4Statement of changes in beneficial ownership17 Feb 2023
Form 4Statement of changes in beneficial ownership16 Feb 2022
Form 3Initial statement of beneficial ownership16 Feb 2022

LUCAS MICHAEL ALLAN(6)

Form 4Statement of changes in beneficial ownership6 Oct 2015
Form 4Statement of changes in beneficial ownership6 Oct 2015
Form 4Statement of changes in beneficial ownership4 Dec 2013
Form 4Statement of changes in beneficial ownership3 Oct 2014
Form 3Initial statement of beneficial ownership31 Aug 2012
Form 4Statement of changes in beneficial ownership31 Aug 2012

Callahan Robert B(5)

Form 4Statement of changes in beneficial ownership23 Dec 2024
Form 4Statement of changes in beneficial ownership4 Dec 2024
Form 4Statement of changes in beneficial ownership2 Oct 2024
Form 4Statement of changes in beneficial ownership6 Aug 2024
Form 3Initial statement of beneficial ownership30 May 2024

Brooks Alaina K(5)

Form 4Statement of changes in beneficial ownership19 Feb
Form 4Statement of changes in beneficial ownership21 Feb 2025
Form 4Statement of changes in beneficial ownership20 Feb 2024
Form 4Statement of changes in beneficial ownership17 Feb 2023
Form 3Initial statement of beneficial ownership15 Feb 2023

Singh Mohit(5)

Form 4Statement of changes in beneficial ownership1 Jun
Form 4Statement of changes in beneficial ownership19 Feb
Form 4Statement of changes in beneficial ownership21 Feb 2025
Form 3Initial statement of beneficial ownership20 Feb 2024
Form 4Statement of changes in beneficial ownership20 Feb 2024

Eckenrode David L(5)

Form 4Statement of changes in beneficial ownership2 Oct
Form 4Statement of changes in beneficial ownership12 Feb
Form 4Statement of changes in beneficial ownership1 Oct 2025
Form 4Statement of changes in beneficial ownership2 Oct 2024
Form 3Initial statement of beneficial ownership3 Jun 2024

TUNINETTI DAVIDE(5)

Form 4Statement of changes in beneficial ownership2 Oct
Form 4Statement of changes in beneficial ownership4 Feb
Form 4Statement of changes in beneficial ownership1 Oct 2025
Form 4Statement of changes in beneficial ownership12 Feb 2025
Form 3Initial statement of beneficial ownership12 Feb 2025

GREGORY ROBERT B(4)

Form 4Statement of changes in beneficial ownership22 Mar 2005
Form 4Statement of changes in beneficial ownership14 Sep 2004
Form 4Statement of changes in beneficial ownership22 Sep 2003
Form 4Statement of changes in beneficial ownership3 Jul 2003

WEDEMEYER PHIL D(3)

Form 4Statement of changes in beneficial ownership26 Jun 2003
Form 4Statement of changes in beneficial ownership11 Jun 2003
Form 3Initial statement of beneficial ownership11 Jun 2003

Reid Mark W(3)

Form 4Statement of changes in beneficial ownership14 Dec 2006
Form 4Statement of changes in beneficial ownership28 Jun 2005
Form 3Initial statement of beneficial ownership21 Sep 2004

Smith Mark W.(3)

Form 4Statement of changes in beneficial ownership19 Feb
Form 3Initial statement of beneficial ownership4 Aug 2025
Form 4Statement of changes in beneficial ownership4 Aug 2025

CLELLAND WILLIAM N.(3)

Form 4Statement of changes in beneficial ownership1 Mar 2017
Form 3Initial statement of beneficial ownership4 Apr 2016
Form 4Statement of changes in beneficial ownership6 Apr 2016

ZELLER M M GUS(2)

Form 4Statement of changes in beneficial ownership14 Sep 2004
Form 4Statement of changes in beneficial ownership27 Jun 2003

TANNER LAWRENCE R(2)

Form 4/AStatement of changes in beneficial ownership (amendment)17 Jun 2003
Form 4/AStatement of changes in beneficial ownership (amendment)18 Jun 2003

Dial Neil(2)

Form 3/AInitial statement of beneficial ownership (amendment)6 Oct 2014
Form 4Statement of changes in beneficial ownership6 Oct 2014

JOHNSON JAMES EDGAR JR(2)

Form 4Statement of changes in beneficial ownership2 Oct
Form 3Initial statement of beneficial ownership28 May

POWER ONE INC(1)

Form 3Initial statement of beneficial ownership8 Jan 2014

≥5% Ownership

ROYCE & ASSOCIATES LLC(17)

SC 13G/APowell Industries Inc3 Feb 2016
SC 13G/APowell Industries Inc20 Jan 2015
SC 13G/APowell Industries Inc13 Jan 2014
SC 13G/APowell Industries Inc17 Jan 2013
SC 13G/APowell Industries Inc6 Jul 2012
SC 13G/APowell Industries Inc20 Jan 2012
SC 13G/APowell Industries Inc20 Jan 2011
SC 13G/APowell Industries Inc9 Mar 2010
SC 13G/APowell Industries Inc26 Jan 2010
SC 13G/APowell Industries Inc27 Jan 2009

FMR LLC(16)

SC 13G/APowell Industries Inc11 Dec 2017
SC 13G/APowell Industries Inc10 Oct 2017
SC 13G/APowell Industries Inc14 Feb 2017
SC 13G/APowell Industries Inc12 Feb 2016
SC 13G/APowell Industries Inc24 Aug 2015
SC 13G/APowell Industries Inc13 Feb 2015
SC 13G/APowell Industries Inc14 Feb 2014
SC 13G/APowell Industries Inc14 Feb 2013
SC 13G/APowell Industries Inc10 Dec 2012
SC 13GPowell Industries Inc14 Feb 2012

BlackRock Inc.(16)

SC 13G/APowell Industries Inc23 Jan 2024
SC 13G/APowell Industries Inc23 Jan 2023
SC 13G/APowell Industries Inc7 Feb 2022
SC 13G/APowell Industries Inc27 Jan 2021
SC 13G/APowell Industries Inc4 Feb 2020
SC 13G/APowell Industries Inc31 Jan 2019
SC 13G/APowell Industries Inc6 Apr 2018
SC 13G/APowell Industries Inc23 Jan 2018
SC 13G/APowell Industries Inc25 Jan 2017
SC 13G/APowell Industries Inc27 Jan 2016

WELLINGTON MANAGEMENT CO LLP(13)

SC 13G/APowell Industries Inc14 Feb 2008
SC 13G/APowell Industries Inc14 Feb 2007
SC 13G/APowell Industries Inc14 Feb 2006
SC 13G/APowell Industries Inc14 Feb 2005
SC 13G/APowell Industries Inc12 Feb 2004
SC 13G/APowell Industries Inc12 Feb 2003
SC 13G/APowell Industries Inc12 Feb 2002
SC 13G/APowell Industries Inc13 Feb 2001
SC 13G/APowell Industries Inc11 Feb 2000
SC 13G/APowell Industries Inc10 Feb 1999

DIMENSIONAL FUND ADVISORS LP(10)

SC 13G/APowell Industries Inc31 Oct 2024
SC 13G/APowell Industries Inc9 Feb 2024
SC 13G/APowell Industries Inc10 Feb 2023
SC 13G/APowell Industries Inc8 Feb 2022
SC 13G/APowell Industries Inc16 Feb 2021
SC 13G/APowell Industries Inc12 Feb 2020
SC 13G/APowell Industries Inc8 Feb 2019
SC 13G/APowell Industries Inc9 Feb 2018
SC 13GPowell Industries Inc9 Feb 2017
SC 13GPowell Industries Inc3 Feb 2000

HEARTLAND ADVISORS INC(9)

SC 13G/APowell Industries Inc8 Feb 2018
SC 13GPowell Industries Inc2 Feb 2018
SC 13G/APowell Industries Inc31 Jan 2002
SC 13G/APowell Industries Inc30 Jan 2001
SC 13G/APowell Industries Inc3 Feb 2000
SC 13G/APowell Industries Inc2 Feb 1999
SC 13G/APowell Industries Inc6 Feb 1998
SC 13G/APowell Industries Inc14 Feb 1997
SC 13G/APowell Industries Inc13 Feb 1996

VANGUARD GROUP INC(7)

SC 13G/APowell Industries Inc27 Mar
SC 13G/APowell Industries Inc13 Feb 2024
SC 13G/APowell Industries Inc9 Feb 2023
SC 13G/APowell Industries Inc10 Feb 2022
SC 13GPowell Industries Inc10 Feb 2021
SC 13G/APowell Industries Inc12 Feb 2020
SC 13GPowell Industries Inc12 Feb 2019

FRANKLIN RESOURCES INC(5)

SC 13G/APowell Industries Inc10 Feb 2016
SC 13G/APowell Industries Inc5 Feb 2015
SC 13G/APowell Industries Inc13 Feb 2014
SC 13G/APowell Industries Inc12 Feb 2013
SC 13GPowell Industries Inc9 Feb 2012

NATIONWIDE TRUST CO FSB(5)

SC 13GPowell Industries Inc8 Feb 2007
SC 13GPowell Industries Inc3 Feb 2006
SC 13GPowell Industries Inc12 Jan 2005
SC 13GPowell Industries Inc20 Jan 2004
SC 13GPowell Industries Inc6 Feb 2003

GENDELL JEFFREY L ET AL(4)

SC 13G/APowell Industries Inc23 Jan 2009
SC 13G/APowell Industries Inc28 Dec 2007
SC 13G/APowell Industries Inc13 Feb 2007
SC 13GPowell Industries Inc6 Nov 2006

ARTISAN PARTNERS LTD PARTNERSHIP(4)

SC 13G/APowell Industries Inc12 Mar 2001
SC 13G/APowell Industries Inc9 Feb 2001
SC 13G/APowell Industries Inc9 Mar 2000
SC 13GPowell Industries Inc14 Feb 2000

KERN CAPITAL MANAGEMENT LLC /ADV(4)

SC 13G/APowell Industries Inc8 Mar 2002
SC 13G/APowell Industries Inc14 Feb 2002
SC 13GPowell Industries Inc9 Nov 2001
SC 13G/APowell Industries Inc9 Nov 2001

KLEIN BANK(4)

SC 13GPowell Industries Inc13 Feb 2002
SC 13G/APowell Industries Inc14 Feb 2001
SC 13G/APowell Industries Inc14 Feb 2000
SC 13G/APowell Industries Inc12 Feb 1999

VAN DEN BERG MANAGEMENT INC/TX(4)

SC 13G/APowell Industries Inc12 Jan 2007
SC 13G/APowell Industries Inc18 Sep 2006
SC 13G/APowell Industries Inc10 Jan 2006
SC 13GPowell Industries Inc27 May 2005

FIRST TRUST PORTFOLIOS LP(3)

SC 13GPowell Industries Inc27 Oct
SC 13G/APowell Industries Inc30 Jul
SC 13GPowell Industries Inc31 Oct 2025

POWELL THOMAS W(3)

SC 13D/APowell Industries Inc10 Oct 2024
SC 13D/APowell Industries Inc14 Feb 2024
SC 13DPowell Industries Inc2 Jul 2003

FLEETBOSTON FINANCIAL CORP(2)

SC 13G/APowell Industries Inc13 Feb 2004
SC 13GPowell Industries Inc14 Feb 2003

DEPRINCE RACE & ZOLLO INC(2)

SC 13G/APowell Industries Inc3 Feb 2020
SC 13GPowell Industries Inc25 Jan 2019

RENAISSANCE TECHNOLOGIES LLC(2)

SC 13G/APowell Industries Inc11 Feb 2021
SC 13GPowell Industries Inc12 Feb 2020

RUTABAGA CAPITAL MANAGEMENT LLC/MA(2)

SC 13G/APowell Industries Inc15 Feb 2017
SC 13GPowell Industries Inc11 Feb 2016

POWELL BONNIE L(2)

SC 13GPowell Industries Inc12 Feb 2004
SC 13G/APowell Industries Inc12 Feb 2004

Kovitz Investment Group Partners, LLC(2)

SC 13G/APowell Industries Inc6 Nov 2025
SC 13GPowell Industries Inc7 May 2025

CHARTER BANCSHARES INC(1)

SC 13G/APowell Industries Inc13 Feb 1996

BlackRock, Inc.(1)

SC 13G/APowell Industries Inc29 Jul

Insider Ownership

POWELL THOMAS W(99)

Form 4PRIMARY DOCUMENT26 Jun
Form 4PRIMARY DOCUMENT23 Mar
Form 4PRIMARY DOCUMENT12 Mar
Form 4PRIMARY DOCUMENT26 Feb
Form 4PRIMARY DOCUMENT13 Feb
Form 4PRIMARY DOCUMENT13 Nov 2024
Form 4PRIMARY DOCUMENT15 Oct 2024
Form 4PRIMARY DOCUMENT11 Oct 2024
Form 4PRIMARY DOCUMENT9 Oct 2024
Form 4PRIMARY DOCUMENT26 Sep 2024

HONEYCUTT MILBURN E(44)

Form 4Statement of changes in beneficial ownership10 Jan 2024
Form 4Statement of changes in beneficial ownership15 Dec 2023
Form 4Statement of changes in beneficial ownership1 Dec 2023
Form 4Statement of changes in beneficial ownership3 Oct 2023
Form 4Statement of changes in beneficial ownership8 Aug 2023
Form 4/AStatement of changes in beneficial ownership (amendment)3 Feb 2023
Form 4Statement of changes in beneficial ownership13 Dec 2022
Form 4Statement of changes in beneficial ownership5 Dec 2022
Form 4Statement of changes in beneficial ownership4 Oct 2022
Form 4Statement of changes in beneficial ownership7 Dec 2021

BECHERER JOSEPH L(42)

Form 4Statement of changes in beneficial ownership21 Sep 2015
Form 4Statement of changes in beneficial ownership19 Jun 2015
Form 4Statement of changes in beneficial ownership24 Mar 2015
Form 4Statement of changes in beneficial ownership27 Feb 2015
Form 4Statement of changes in beneficial ownership6 Mar 2014
Form 4Statement of changes in beneficial ownership19 Dec 2014
Form 4Statement of changes in beneficial ownership21 Feb 2013
Form 4Statement of changes in beneficial ownership25 Jun 2012
Form 4Statement of changes in beneficial ownership4 Apr 2011
Form 4Statement of changes in beneficial ownership17 Jun 2010

COPE BRETT ALAN(39)

Form 4Statement of changes in beneficial ownership2 Oct
Form 4Statement of changes in beneficial ownership14 Aug
Form 4Statement of changes in beneficial ownership10 Jul
Form 4Statement of changes in beneficial ownership6 Jul
Form 4Statement of changes in beneficial ownership12 Jun
Form 4Statement of changes in beneficial ownership15 May
Form 4Statement of changes in beneficial ownership13 Apr
Form 4Statement of changes in beneficial ownership16 Mar
Form 4Statement of changes in beneficial ownership6 Jan
Form 4Statement of changes in beneficial ownership3 Dec 2025

CRAGG CHRISTOPHER E(32)

Form 4Statement of changes in beneficial ownership27 Aug 2025
Form 4Statement of changes in beneficial ownership21 Feb 2025
Form 4Statement of changes in beneficial ownership26 Sep 2024
Form 4Statement of changes in beneficial ownership22 Feb 2024
Form 4Statement of changes in beneficial ownership20 Feb 2024
Form 4Statement of changes in beneficial ownership24 Aug 2023
Form 4Statement of changes in beneficial ownership17 Feb 2023
Form 4Statement of changes in beneficial ownership16 Feb 2022
Form 4Statement of changes in beneficial ownership2 Mar 2021
Form 4Statement of changes in beneficial ownership21 Feb 2020

METCALF MICHAEL WILLIAM(25)

Form 4Statement of changes in beneficial ownership2 Oct
Form 4Statement of changes in beneficial ownership1 Jul
Form 4Statement of changes in beneficial ownership2 Apr
Form 4Statement of changes in beneficial ownership6 Jan
Form 4Statement of changes in beneficial ownership3 Dec 2025
Form 4Statement of changes in beneficial ownership1 Oct 2025
Form 4Statement of changes in beneficial ownership24 Sep 2025
Form 4Statement of changes in beneficial ownership30 Jun 2025
Form 4Statement of changes in beneficial ownership18 Jun 2025
Form 4Statement of changes in beneficial ownership27 Mar 2025

MADISON DON R(24)

Form 4Statement of changes in beneficial ownership20 Dec 2018
Form 4Statement of changes in beneficial ownership12 Dec 2018
Form 4Statement of changes in beneficial ownership15 Oct 2018
Form 4Statement of changes in beneficial ownership4 Oct 2017
Form 4Statement of changes in beneficial ownership4 Oct 2016
Form 4Statement of changes in beneficial ownership6 Jul 2016
Form 4Statement of changes in beneficial ownership10 Mar 2016
Form 4Statement of changes in beneficial ownership5 Oct 2015
Form 4/AStatement of changes in beneficial ownership (amendment)6 Oct 2015
Form 4Statement of changes in beneficial ownership3 Dec 2014

BUTLER EUGENE L(24)

Form 4Statement of changes in beneficial ownership1 Mar 2017
Form 4Statement of changes in beneficial ownership26 Feb 2016
Form 4Statement of changes in beneficial ownership27 Feb 2015
Form 4Statement of changes in beneficial ownership6 Mar 2014
Form 4Statement of changes in beneficial ownership11 Mar 2013
Form 4Statement of changes in beneficial ownership21 Feb 2013
Form 4Statement of changes in beneficial ownership25 Jun 2012
Form 4Statement of changes in beneficial ownership1 Jun 2011
Form 4Statement of changes in beneficial ownership25 Mar 2011
Form 4Statement of changes in beneficial ownership17 Jun 2010

TRANCHON ROBERT C(21)

Form 4Statement of changes in beneficial ownership27 Feb 2015
Form 4Statement of changes in beneficial ownership19 Mar 2014
Form 4/AStatement of changes in beneficial ownership (amendment)21 Mar 2014
Form 4Statement of changes in beneficial ownership7 Mar 2014
Form 4Statement of changes in beneficial ownership18 Mar 2013
Form 4Statement of changes in beneficial ownership21 Feb 2013
Form 4Statement of changes in beneficial ownership25 Jun 2012
Form 4Statement of changes in beneficial ownership18 Mar 2011
Form 4Statement of changes in beneficial ownership17 Jun 2010
Form 4Statement of changes in beneficial ownership22 Jun 2009

SEALE STEPHEN W JR(20)

Form 4Statement of changes in beneficial ownership1 Mar 2017
Form 4Statement of changes in beneficial ownership26 Feb 2016
Form 4Statement of changes in beneficial ownership5 Oct 2015
Form 3Initial statement of beneficial ownership1 Oct 2015
Form 4Statement of changes in beneficial ownership25 Jun 2012
Form 4Statement of changes in beneficial ownership17 Jun 2010
Form 4Statement of changes in beneficial ownership22 Jun 2009
Form 4Statement of changes in beneficial ownership3 Jul 2008
Form 4Statement of changes in beneficial ownership13 May 2008
Form 4Statement of changes in beneficial ownership3 Jan 2008

WOLNY RONALD J(19)

Form 4Statement of changes in beneficial ownership17 Jun 2010
Form 4Statement of changes in beneficial ownership22 Jun 2009
Form 4Statement of changes in beneficial ownership3 Jul 2008
Form 4Statement of changes in beneficial ownership4 Jun 2008
Form 4Statement of changes in beneficial ownership3 Jan 2007
Form 4Statement of changes in beneficial ownership29 Jun 2007
Form 4Statement of changes in beneficial ownership31 Jan 2006
Form 4Statement of changes in beneficial ownership14 Jun 2005
Form 4Statement of changes in beneficial ownership25 Feb 2005
Form 4Statement of changes in beneficial ownership15 Sep 2004

WHITE JOHN DAVID(17)

Form 4Statement of changes in beneficial ownership24 May 2023
Form 4Statement of changes in beneficial ownership15 May 2023
Form 4Statement of changes in beneficial ownership17 Feb 2023
Form 4Statement of changes in beneficial ownership16 Feb 2022
Form 4/AStatement of changes in beneficial ownership (amendment)17 May 2021
Form 4Statement of changes in beneficial ownership13 May 2021
Form 4Statement of changes in beneficial ownership2 Mar 2021
Form 4Statement of changes in beneficial ownership21 Feb 2020
Form 4Statement of changes in beneficial ownership22 Feb 2019
Form 4Statement of changes in beneficial ownership22 Feb 2018

Williams Richard E(16)

Form 4Statement of changes in beneficial ownership17 Aug
Form 4Statement of changes in beneficial ownership15 May
Form 4Statement of changes in beneficial ownership19 Feb
Form 4Statement of changes in beneficial ownership21 Feb 2025
Form 4Statement of changes in beneficial ownership20 Feb 2024
Form 4Statement of changes in beneficial ownership15 Feb 2024
Form 4Statement of changes in beneficial ownership17 Feb 2023
Form 4Statement of changes in beneficial ownership16 Feb 2022
Form 4Statement of changes in beneficial ownership2 Mar 2021
Form 4Statement of changes in beneficial ownership21 Feb 2020

HANCOCK BONNIE V(13)

Form 4Statement of changes in beneficial ownership13 Aug 2019
Form 4Statement of changes in beneficial ownership22 Feb 2019
Form 4Statement of changes in beneficial ownership22 Feb 2018
Form 4Statement of changes in beneficial ownership1 Mar 2017
Form 4Statement of changes in beneficial ownership26 Feb 2016
Form 4Statement of changes in beneficial ownership27 Feb 2015
Form 4Statement of changes in beneficial ownership6 Mar 2014
Form 4Statement of changes in beneficial ownership11 Dec 2013
Form 4Statement of changes in beneficial ownership21 Feb 2013
Form 4Statement of changes in beneficial ownership13 Feb 2013

CLARK JAMES F(13)

Form 4Statement of changes in beneficial ownership7 Jan 2013
Form 4Statement of changes in beneficial ownership25 Jun 2012
Form 4Statement of changes in beneficial ownership20 Aug 2010
Form 4Statement of changes in beneficial ownership17 Jun 2010
Form 4Statement of changes in beneficial ownership22 Jun 2009
Form 4Statement of changes in beneficial ownership9 Jun 2009
Form 4Statement of changes in beneficial ownership3 Jul 2008
Form 4Statement of changes in beneficial ownership2 Jun 2008
Form 4Statement of changes in beneficial ownership12 Dec 2007
Form 4Statement of changes in beneficial ownership29 Jun 2007

Mauney William Marshall Jr(12)

Form 4Statement of changes in beneficial ownership2 Oct
Form 4Statement of changes in beneficial ownership13 May
Form 4Statement of changes in beneficial ownership22 Dec 2025
Form 4Statement of changes in beneficial ownership3 Dec 2025
Form 4Statement of changes in beneficial ownership1 Oct 2025
Form 4Statement of changes in beneficial ownership9 Sep 2025
Form 4Statement of changes in beneficial ownership6 Dec 2024
Form 4Statement of changes in beneficial ownership2 Oct 2024
Form 4Statement of changes in beneficial ownership10 Sep 2024
Form 4Statement of changes in beneficial ownership19 Aug 2024

McGill James W(11)

Form 4Statement of changes in beneficial ownership19 Feb
Form 4Statement of changes in beneficial ownership21 Feb 2025
Form 4Statement of changes in beneficial ownership27 Aug 2024
Form 4Statement of changes in beneficial ownership20 Feb 2024
Form 4Statement of changes in beneficial ownership17 Feb 2023
Form 4Statement of changes in beneficial ownership16 Feb 2022
Form 4Statement of changes in beneficial ownership2 Mar 2021
Form 4Statement of changes in beneficial ownership21 Feb 2020
Form 4Statement of changes in beneficial ownership22 Feb 2019
Form 4Statement of changes in beneficial ownership4 Apr 2018

Birchall John(10)

Form 4Statement of changes in beneficial ownership2 Oct
Form 4Statement of changes in beneficial ownership10 Feb
Form 4Statement of changes in beneficial ownership3 Dec 2025
Form 4Statement of changes in beneficial ownership1 Oct 2025
Form 4Statement of changes in beneficial ownership27 Aug 2025
Form 4Statement of changes in beneficial ownership4 Dec 2024
Form 4/AStatement of changes in beneficial ownership (amendment)6 Dec 2024
Form 4Statement of changes in beneficial ownership2 Oct 2024
Form 4Statement of changes in beneficial ownership4 Jun 2024
Form 3Initial statement of beneficial ownership30 May 2024

CURTIS KATHERYN BAUCOM(9)

Form 4Statement of changes in beneficial ownership19 Feb
Form 4Statement of changes in beneficial ownership21 Feb 2025
Form 4Statement of changes in beneficial ownership7 May 2024
Form 4Statement of changes in beneficial ownership20 Feb 2024
Form 4Statement of changes in beneficial ownership17 Feb 2023
Form 4Statement of changes in beneficial ownership16 Feb 2022
Form 4Statement of changes in beneficial ownership2 Mar 2021
Form 4Statement of changes in beneficial ownership21 Feb 2020
Form 3Initial statement of beneficial ownership19 Feb 2020

McKertcher Terry B(9)

Form 4Statement of changes in beneficial ownership2 Oct
Form 4Statement of changes in beneficial ownership9 Feb
Form 4Statement of changes in beneficial ownership8 Dec 2025
Form 4Statement of changes in beneficial ownership3 Dec 2025
Form 4Statement of changes in beneficial ownership2 Oct 2025
Form 4Statement of changes in beneficial ownership13 Aug 2025
Form 4Statement of changes in beneficial ownership4 Dec 2024
Form 4Statement of changes in beneficial ownership2 Oct 2024
Form 3Initial statement of beneficial ownership31 May 2024

ROZZELL SCOTT E(8)

Form 4Statement of changes in beneficial ownership1 Mar 2017
Form 4Statement of changes in beneficial ownership26 Feb 2016
Form 4Statement of changes in beneficial ownership27 Feb 2015
Form 4Statement of changes in beneficial ownership6 Mar 2014
Form 4Statement of changes in beneficial ownership21 Feb 2013
Form 4Statement of changes in beneficial ownership25 Jun 2012
Form 4Statement of changes in beneficial ownership16 Sep 2011
Form 3Initial statement of beneficial ownership16 Sep 2011

Ni Ping(7)

Form 4Statement of changes in beneficial ownership20 Oct
Form 4Statement of changes in beneficial ownership2 Oct
Form 4Statement of changes in beneficial ownership12 Feb
Form 4Statement of changes in beneficial ownership21 Oct 2025
Form 4Statement of changes in beneficial ownership1 Oct 2025
Form 4Statement of changes in beneficial ownership2 Oct 2024
Form 3Initial statement of beneficial ownership30 May 2024

MUDGE FREDERICK N(7)

Form 4Statement of changes in beneficial ownership6 Jan
Form 4Statement of changes in beneficial ownership3 Dec 2025
Form 4Statement of changes in beneficial ownership1 Oct 2025
Form 4Statement of changes in beneficial ownership28 Aug 2025
Form 4Statement of changes in beneficial ownership4 Dec 2024
Form 4Statement of changes in beneficial ownership2 Oct 2024
Form 3Initial statement of beneficial ownership4 Jun 2024

HOGLUND PETER G(7)

Form 4Statement of changes in beneficial ownership2 Oct
Form 4Statement of changes in beneficial ownership29 Jun
Form 4Statement of changes in beneficial ownership1 Oct 2025
Form 4Statement of changes in beneficial ownership30 Jun 2025
Form 4Statement of changes in beneficial ownership2 Oct 2024
Form 4Statement of changes in beneficial ownership28 Jun 2024
Form 3Initial statement of beneficial ownership28 Jun 2024

Elders Perry L(6)

Form 4Statement of changes in beneficial ownership16 Feb 2022
Form 4Statement of changes in beneficial ownership2 Mar 2021
Form 4Statement of changes in beneficial ownership21 Feb 2020
Form 4Statement of changes in beneficial ownership22 Feb 2019
Form 4Statement of changes in beneficial ownership22 Feb 2018
Form 3Initial statement of beneficial ownership4 Jan 2018

MCDONALD PATRICK L(6)

Form 4Statement of changes in beneficial ownership29 Dec 2010
Form 4Statement of changes in beneficial ownership5 Oct 2010
Form 4Statement of changes in beneficial ownership11 Dec 2009
Form 4Statement of changes in beneficial ownership5 Oct 2009
Form 4Statement of changes in beneficial ownership11 Dec 2008
Form 3Initial statement of beneficial ownership10 Jun 2008

Stacey John(6)

Form 4Statement of changes in beneficial ownership19 Feb
Form 4Statement of changes in beneficial ownership21 Feb 2025
Form 4Statement of changes in beneficial ownership20 Feb 2024
Form 4Statement of changes in beneficial ownership17 Feb 2023
Form 4Statement of changes in beneficial ownership16 Feb 2022
Form 3Initial statement of beneficial ownership16 Feb 2022

LUCAS MICHAEL ALLAN(6)

Form 4Statement of changes in beneficial ownership6 Oct 2015
Form 4Statement of changes in beneficial ownership6 Oct 2015
Form 4Statement of changes in beneficial ownership4 Dec 2013
Form 4Statement of changes in beneficial ownership3 Oct 2014
Form 3Initial statement of beneficial ownership31 Aug 2012
Form 4Statement of changes in beneficial ownership31 Aug 2012

Callahan Robert B(5)

Form 4Statement of changes in beneficial ownership23 Dec 2024
Form 4Statement of changes in beneficial ownership4 Dec 2024
Form 4Statement of changes in beneficial ownership2 Oct 2024
Form 4Statement of changes in beneficial ownership6 Aug 2024
Form 3Initial statement of beneficial ownership30 May 2024

Brooks Alaina K(5)

Form 4Statement of changes in beneficial ownership19 Feb
Form 4Statement of changes in beneficial ownership21 Feb 2025
Form 4Statement of changes in beneficial ownership20 Feb 2024
Form 4Statement of changes in beneficial ownership17 Feb 2023
Form 3Initial statement of beneficial ownership15 Feb 2023

Singh Mohit(5)

Form 4Statement of changes in beneficial ownership1 Jun
Form 4Statement of changes in beneficial ownership19 Feb
Form 4Statement of changes in beneficial ownership21 Feb 2025
Form 3Initial statement of beneficial ownership20 Feb 2024
Form 4Statement of changes in beneficial ownership20 Feb 2024

Eckenrode David L(5)

Form 4Statement of changes in beneficial ownership2 Oct
Form 4Statement of changes in beneficial ownership12 Feb
Form 4Statement of changes in beneficial ownership1 Oct 2025
Form 4Statement of changes in beneficial ownership2 Oct 2024
Form 3Initial statement of beneficial ownership3 Jun 2024

TUNINETTI DAVIDE(5)

Form 4Statement of changes in beneficial ownership2 Oct
Form 4Statement of changes in beneficial ownership4 Feb
Form 4Statement of changes in beneficial ownership1 Oct 2025
Form 4Statement of changes in beneficial ownership12 Feb 2025
Form 3Initial statement of beneficial ownership12 Feb 2025

GREGORY ROBERT B(4)

Form 4Statement of changes in beneficial ownership22 Mar 2005
Form 4Statement of changes in beneficial ownership14 Sep 2004
Form 4Statement of changes in beneficial ownership22 Sep 2003
Form 4Statement of changes in beneficial ownership3 Jul 2003

WEDEMEYER PHIL D(3)

Form 4Statement of changes in beneficial ownership26 Jun 2003
Form 4Statement of changes in beneficial ownership11 Jun 2003
Form 3Initial statement of beneficial ownership11 Jun 2003

Reid Mark W(3)

Form 4Statement of changes in beneficial ownership14 Dec 2006
Form 4Statement of changes in beneficial ownership28 Jun 2005
Form 3Initial statement of beneficial ownership21 Sep 2004

Smith Mark W.(3)

Form 4Statement of changes in beneficial ownership19 Feb
Form 3Initial statement of beneficial ownership4 Aug 2025
Form 4Statement of changes in beneficial ownership4 Aug 2025

CLELLAND WILLIAM N.(3)

Form 4Statement of changes in beneficial ownership1 Mar 2017
Form 3Initial statement of beneficial ownership4 Apr 2016
Form 4Statement of changes in beneficial ownership6 Apr 2016

ZELLER M M GUS(2)

Form 4Statement of changes in beneficial ownership14 Sep 2004
Form 4Statement of changes in beneficial ownership27 Jun 2003

TANNER LAWRENCE R(2)

Form 4/AStatement of changes in beneficial ownership (amendment)17 Jun 2003
Form 4/AStatement of changes in beneficial ownership (amendment)18 Jun 2003

Dial Neil(2)

Form 3/AInitial statement of beneficial ownership (amendment)6 Oct 2014
Form 4Statement of changes in beneficial ownership6 Oct 2014

JOHNSON JAMES EDGAR JR(2)

Form 4Statement of changes in beneficial ownership2 Oct
Form 3Initial statement of beneficial ownership28 May

POWER ONE INC(1)

Form 3Initial statement of beneficial ownership8 Jan 2014

≥5% Ownership

ROYCE & ASSOCIATES LLC(17)

SC 13G/APowell Industries Inc3 Feb 2016
SC 13G/APowell Industries Inc20 Jan 2015
SC 13G/APowell Industries Inc13 Jan 2014
SC 13G/APowell Industries Inc17 Jan 2013
SC 13G/APowell Industries Inc6 Jul 2012
SC 13G/APowell Industries Inc20 Jan 2012
SC 13G/APowell Industries Inc20 Jan 2011
SC 13G/APowell Industries Inc9 Mar 2010
SC 13G/APowell Industries Inc26 Jan 2010
SC 13G/APowell Industries Inc27 Jan 2009

FMR LLC(16)

SC 13G/APowell Industries Inc11 Dec 2017
SC 13G/APowell Industries Inc10 Oct 2017
SC 13G/APowell Industries Inc14 Feb 2017
SC 13G/APowell Industries Inc12 Feb 2016
SC 13G/APowell Industries Inc24 Aug 2015
SC 13G/APowell Industries Inc13 Feb 2015
SC 13G/APowell Industries Inc14 Feb 2014
SC 13G/APowell Industries Inc14 Feb 2013
SC 13G/APowell Industries Inc10 Dec 2012
SC 13GPowell Industries Inc14 Feb 2012

BlackRock Inc.(16)

SC 13G/APowell Industries Inc23 Jan 2024
SC 13G/APowell Industries Inc23 Jan 2023
SC 13G/APowell Industries Inc7 Feb 2022
SC 13G/APowell Industries Inc27 Jan 2021
SC 13G/APowell Industries Inc4 Feb 2020
SC 13G/APowell Industries Inc31 Jan 2019
SC 13G/APowell Industries Inc6 Apr 2018
SC 13G/APowell Industries Inc23 Jan 2018
SC 13G/APowell Industries Inc25 Jan 2017
SC 13G/APowell Industries Inc27 Jan 2016

WELLINGTON MANAGEMENT CO LLP(13)

SC 13G/APowell Industries Inc14 Feb 2008
SC 13G/APowell Industries Inc14 Feb 2007
SC 13G/APowell Industries Inc14 Feb 2006
SC 13G/APowell Industries Inc14 Feb 2005
SC 13G/APowell Industries Inc12 Feb 2004
SC 13G/APowell Industries Inc12 Feb 2003
SC 13G/APowell Industries Inc12 Feb 2002
SC 13G/APowell Industries Inc13 Feb 2001
SC 13G/APowell Industries Inc11 Feb 2000
SC 13G/APowell Industries Inc10 Feb 1999

DIMENSIONAL FUND ADVISORS LP(10)

SC 13G/APowell Industries Inc31 Oct 2024
SC 13G/APowell Industries Inc9 Feb 2024
SC 13G/APowell Industries Inc10 Feb 2023
SC 13G/APowell Industries Inc8 Feb 2022
SC 13G/APowell Industries Inc16 Feb 2021
SC 13G/APowell Industries Inc12 Feb 2020
SC 13G/APowell Industries Inc8 Feb 2019
SC 13G/APowell Industries Inc9 Feb 2018
SC 13GPowell Industries Inc9 Feb 2017
SC 13GPowell Industries Inc3 Feb 2000

HEARTLAND ADVISORS INC(9)

SC 13G/APowell Industries Inc8 Feb 2018
SC 13GPowell Industries Inc2 Feb 2018
SC 13G/APowell Industries Inc31 Jan 2002
SC 13G/APowell Industries Inc30 Jan 2001
SC 13G/APowell Industries Inc3 Feb 2000
SC 13G/APowell Industries Inc2 Feb 1999
SC 13G/APowell Industries Inc6 Feb 1998
SC 13G/APowell Industries Inc14 Feb 1997
SC 13G/APowell Industries Inc13 Feb 1996

VANGUARD GROUP INC(7)

SC 13G/APowell Industries Inc27 Mar
SC 13G/APowell Industries Inc13 Feb 2024
SC 13G/APowell Industries Inc9 Feb 2023
SC 13G/APowell Industries Inc10 Feb 2022
SC 13GPowell Industries Inc10 Feb 2021
SC 13G/APowell Industries Inc12 Feb 2020
SC 13GPowell Industries Inc12 Feb 2019

FRANKLIN RESOURCES INC(5)

SC 13G/APowell Industries Inc10 Feb 2016
SC 13G/APowell Industries Inc5 Feb 2015
SC 13G/APowell Industries Inc13 Feb 2014
SC 13G/APowell Industries Inc12 Feb 2013
SC 13GPowell Industries Inc9 Feb 2012

NATIONWIDE TRUST CO FSB(5)

SC 13GPowell Industries Inc8 Feb 2007
SC 13GPowell Industries Inc3 Feb 2006
SC 13GPowell Industries Inc12 Jan 2005
SC 13GPowell Industries Inc20 Jan 2004
SC 13GPowell Industries Inc6 Feb 2003

GENDELL JEFFREY L ET AL(4)

SC 13G/APowell Industries Inc23 Jan 2009
SC 13G/APowell Industries Inc28 Dec 2007
SC 13G/APowell Industries Inc13 Feb 2007
SC 13GPowell Industries Inc6 Nov 2006

ARTISAN PARTNERS LTD PARTNERSHIP(4)

SC 13G/APowell Industries Inc12 Mar 2001
SC 13G/APowell Industries Inc9 Feb 2001
SC 13G/APowell Industries Inc9 Mar 2000
SC 13GPowell Industries Inc14 Feb 2000

KERN CAPITAL MANAGEMENT LLC /ADV(4)

SC 13G/APowell Industries Inc8 Mar 2002
SC 13G/APowell Industries Inc14 Feb 2002
SC 13GPowell Industries Inc9 Nov 2001
SC 13G/APowell Industries Inc9 Nov 2001

KLEIN BANK(4)

SC 13GPowell Industries Inc13 Feb 2002
SC 13G/APowell Industries Inc14 Feb 2001
SC 13G/APowell Industries Inc14 Feb 2000
SC 13G/APowell Industries Inc12 Feb 1999

VAN DEN BERG MANAGEMENT INC/TX(4)

SC 13G/APowell Industries Inc12 Jan 2007
SC 13G/APowell Industries Inc18 Sep 2006
SC 13G/APowell Industries Inc10 Jan 2006
SC 13GPowell Industries Inc27 May 2005

FIRST TRUST PORTFOLIOS LP(3)

SC 13GPowell Industries Inc27 Oct
SC 13G/APowell Industries Inc30 Jul
SC 13GPowell Industries Inc31 Oct 2025

POWELL THOMAS W(3)

SC 13D/APowell Industries Inc10 Oct 2024
SC 13D/APowell Industries Inc14 Feb 2024
SC 13DPowell Industries Inc2 Jul 2003

FLEETBOSTON FINANCIAL CORP(2)

SC 13G/APowell Industries Inc13 Feb 2004
SC 13GPowell Industries Inc14 Feb 2003

DEPRINCE RACE & ZOLLO INC(2)

SC 13G/APowell Industries Inc3 Feb 2020
SC 13GPowell Industries Inc25 Jan 2019

RENAISSANCE TECHNOLOGIES LLC(2)

SC 13G/APowell Industries Inc11 Feb 2021
SC 13GPowell Industries Inc12 Feb 2020

RUTABAGA CAPITAL MANAGEMENT LLC/MA(2)

SC 13G/APowell Industries Inc15 Feb 2017
SC 13GPowell Industries Inc11 Feb 2016

POWELL BONNIE L(2)

SC 13GPowell Industries Inc12 Feb 2004
SC 13G/APowell Industries Inc12 Feb 2004

Kovitz Investment Group Partners, LLC(2)

SC 13G/APowell Industries Inc6 Nov 2025
SC 13GPowell Industries Inc7 May 2025

CHARTER BANCSHARES INC(1)

SC 13G/APowell Industries Inc13 Feb 1996

BlackRock, Inc.(1)

SC 13G/APowell Industries Inc29 Jul