Logo
  • Home
  • AI Agent
  • Annotations
  • Files
  • Pricing and plans
  • BlogAboutContact us
    APIMCP
    Terms of servicePrivacy policy

  • Get the full experience

    We save the real magic for signed-in users.

HomeStock ScreenerDocument SearchChartingWatchlistsRecent Filings

Arthur J. Gallagher & Co.(AJG US)

$280.15-0.460.16%(Market Open · 16:35:12 UTC)
Doc SearchProfileEntity StructureFinancialsChartingShort InterestEmployees

Overview

ProfileEntity Structure

Documents

SEC Filings
CategorizedChronologicalBy Owner

Financials & Metrics

FinancialsChartingShort InterestEmployees
Logo
  • Home
  • AI Agent
  • Annotations
  • Files
  • Pricing and plans
  • BlogAboutContact us
    APIMCP
    Terms of servicePrivacy policy

  • Get the full experience

    We save the real magic for signed-in users.

HomeStock ScreenerDocument SearchChartingWatchlistsRecent Filings

Arthur J. Gallagher & Co.(AJG US)

$280.15-0.460.16%(Market Open · 16:35:12 UTC)
Doc SearchProfileEntity StructureFinancialsChartingShort InterestEmployees

Overview

ProfileEntity Structure

Documents

SEC Filings
CategorizedChronologicalBy Owner

Financials & Metrics

FinancialsChartingShort InterestEmployees
AJG US​
Ask AI
AJG US​
Ask AI

SEC Filings by Owner

SEC Filings by Owner

Insider Ownership

HOWELL DOUGLAS K(146)

  • Form 4PRIMARY DOCUMENT4 Nov
  • Form 4PRIMARY DOCUMENT24 Jun
  • Form 4PRIMARY DOCUMENT2 Apr
  • Form 4PRIMARY DOCUMENT17 Mar
  • Form 4PRIMARY DOCUMENT6 Mar
  • Form 4PRIMARY DOCUMENT3 Mar
  • Form 4PRIMARY DOCUMENT12 Feb
  • Form 4PRIMARY DOCUMENT29 Dec 2025
  • Form 4PRIMARY DOCUMENT23 Sep 2025
  • Form 4PRIMARY DOCUMENT11 Sep 2025

GALLAGHER J PATRICK JR(135)

  • Form 4PRIMARY DOCUMENT10 Sep
  • Form 4PRIMARY DOCUMENT28 May
  • Form 4PRIMARY DOCUMENT1 Apr
  • Form 4PRIMARY DOCUMENT17 Mar
  • Form 4PRIMARY DOCUMENT6 Mar
  • Form 4PRIMARY DOCUMENT4 Mar
  • Form 4PRIMARY DOCUMENT3 Mar
  • Form 4PRIMARY DOCUMENT11 Jun 2025
  • Form 4PRIMARY DOCUMENT29 May 2025
  • Form 4PRIMARY DOCUMENT2 Apr 2025

Bay Walter D.(89)

  • Form 4PRIMARY DOCUMENT26 Aug
  • Form 4PRIMARY DOCUMENT1 Apr
  • Form 4PRIMARY DOCUMENT17 Mar
  • Form 4PRIMARY DOCUMENT6 Mar
  • Form 4PRIMARY DOCUMENT3 Mar
  • Form 4PRIMARY DOCUMENT23 Dec 2025
  • Form 4PRIMARY DOCUMENT2 Apr 2025
  • Form 4PRIMARY DOCUMENT18 Mar 2025
  • Form 4PRIMARY DOCUMENT14 Mar 2025
  • Form 4PRIMARY DOCUMENT11 Mar 2025

CARY RICHARD C(87)

  • Form 4PRIMARY DOCUMENT17 Sep
  • Form 4PRIMARY DOCUMENT2 Jun
  • Form 4PRIMARY DOCUMENT1 Apr
  • Form 4PRIMARY DOCUMENT17 Mar
  • Form 4PRIMARY DOCUMENT20 Nov 2025
  • Form 4PRIMARY DOCUMENT22 Aug 2025
  • Form 4PRIMARY DOCUMENT9 May 2025
  • Form 4PRIMARY DOCUMENT2 Apr 2025
  • Form 4PRIMARY DOCUMENT14 Mar 2025
  • Form 4PRIMARY DOCUMENT11 Mar 2025

Pietrucha Susan E(76)

  • Form 4PRIMARY DOCUMENT17 Mar
  • Form 4PRIMARY DOCUMENT6 Mar
  • Form 4PRIMARY DOCUMENT3 Mar
  • Form 4PRIMARY DOCUMENT20 May 2025
  • Form 4PRIMARY DOCUMENT18 Mar 2025
  • Form 4PRIMARY DOCUMENT14 Mar 2025
  • Form 4PRIMARY DOCUMENT11 Mar 2025
  • Form 4PRIMARY DOCUMENT5 Mar 2025
  • Form 4PRIMARY DOCUMENT19 Mar 2024
  • Form 4PRIMARY DOCUMENT18 Mar 2024

GALLAGHER THOMAS JOSEPH(72)

  • Form 4PRIMARY DOCUMENT6 Jul
  • Form 4PRIMARY DOCUMENT2 Apr
  • Form 4PRIMARY DOCUMENT24 Mar
  • Form 4PRIMARY DOCUMENT17 Mar
  • Form 4PRIMARY DOCUMENT6 Mar
  • Form 4PRIMARY DOCUMENT2 Mar
  • Form 4PRIMARY DOCUMENT22 Aug 2025
  • Form 4PRIMARY DOCUMENT4 Aug 2025
  • Form 4PRIMARY DOCUMENT20 May 2025
  • Form 4PRIMARY DOCUMENT2 Apr 2025

GAULT JAMES S(63)

  • Form 4PRIMARY DOCUMENT4 Dec 2017
  • Form 4PRIMARY DOCUMENT30 Mar 2017
  • Form 4PRIMARY DOCUMENT22 Mar 2017
  • Form 4PRIMARY DOCUMENT14 Mar 2017
  • Form 4PRIMARY DOCUMENT8 Dec 2016
  • Form 4PRIMARY DOCUMENT22 Nov 2016
  • Form 4PRIMARY DOCUMENT18 Mar 2016
  • Form 4PRIMARY DOCUMENT26 Feb 2016
  • Form 4PRIMARY DOCUMENT20 Nov 2015
  • Form 4PRIMARY DOCUMENT19 Mar 2015

Hudson Scott R(63)

  • Form 4PRIMARY DOCUMENT4 Sep
  • Form 4PRIMARY DOCUMENT2 Apr
  • Form 4PRIMARY DOCUMENT17 Mar
  • Form 4PRIMARY DOCUMENT9 Mar
  • Form 4PRIMARY DOCUMENT6 Mar
  • Form 4PRIMARY DOCUMENT3 Mar
  • Form 4PRIMARY DOCUMENT9 Sep 2025
  • Form 4PRIMARY DOCUMENT22 May 2025
  • Form 4PRIMARY DOCUMENT2 Apr 2025
  • Form 4PRIMARY DOCUMENT21 Mar 2025

DURKIN JAMES W JR(61)

  • Form 4PRIMARY DOCUMENT30 Jan 2018
  • Form 4PRIMARY DOCUMENT4 Dec 2017
  • Form 4PRIMARY DOCUMENT30 Mar 2017
  • Form 4PRIMARY DOCUMENT22 Mar 2017
  • Form 4PRIMARY DOCUMENT14 Mar 2017
  • Form 4PRIMARY DOCUMENT16 Feb 2017
  • Form 4PRIMARY DOCUMENT22 Nov 2016
  • Form 4PRIMARY DOCUMENT18 Mar 2016
  • Form 4PRIMARY DOCUMENT26 Feb 2016
  • Form 4PRIMARY DOCUMENT20 Nov 2015

MCGURN DAVID E JR(55)

  • Form 5/APRIMARY DOCUMENT9 Feb 2016
  • Form 5PRIMARY DOCUMENT5 Feb 2016
  • Form 4PRIMARY DOCUMENT12 Jun 2015
  • Form 4PRIMARY DOCUMENT19 Mar 2015
  • Form 4PRIMARY DOCUMENT13 Mar 2015
  • Form 4PRIMARY DOCUMENT10 Mar 2015
  • Form 4PRIMARY DOCUMENT19 Jun 2014
  • Form 4PRIMARY DOCUMENT19 Mar 2014
  • Form 4PRIMARY DOCUMENT14 Mar 2014
  • Form 4PRIMARY DOCUMENT4 Mar 2014

JOHNSON DAVID S(52)

  • Form 4PRIMARY DOCUMENT2 Jun
  • Form 4PRIMARY DOCUMENT13 May
  • Form 4PRIMARY DOCUMENT2 Mar
  • Form 4PRIMARY DOCUMENT3 Dec 2025
  • Form 4PRIMARY DOCUMENT3 Sep 2025
  • Form 4PRIMARY DOCUMENT4 Jun 2025
  • Form 4PRIMARY DOCUMENT20 May 2025
  • Form 4PRIMARY DOCUMENT15 May 2025
  • Form 4PRIMARY DOCUMENT12 Feb 2025
  • Form 4PRIMARY DOCUMENT24 May 2024

McCurdy Kay W(37)

  • Form 4PRIMARY DOCUMENT11 May 2023
  • Form 4PRIMARY DOCUMENT5 May 2023
  • Form 4PRIMARY DOCUMENT10 Feb 2023
  • Form 4PRIMARY DOCUMENT5 Dec 2022
  • Form 4PRIMARY DOCUMENT13 May 2022
  • Form 5PRIMARY DOCUMENT14 Feb 2022
  • Form 4PRIMARY DOCUMENT13 May 2021
  • Form 4PRIMARY DOCUMENT25 Aug 2020
  • Form 4PRIMARY DOCUMENT14 May 2020
  • Form 4PRIMARY DOCUMENT21 Aug 2019

Cavaness Joel D(37)

  • Form 4PRIMARY DOCUMENT1 May 2024
  • Form 4PRIMARY DOCUMENT19 Mar 2024
  • Form 4PRIMARY DOCUMENT18 Mar 2024
  • Form 4PRIMARY DOCUMENT28 Feb 2024
  • Form 4PRIMARY DOCUMENT2 Nov 2023
  • Form 4PRIMARY DOCUMENT18 Jul 2023
  • Form 4PRIMARY DOCUMENT12 Jun 2023
  • Form 4PRIMARY DOCUMENT8 May 2023
  • Form 4PRIMARY DOCUMENT17 Mar 2023
  • Form 4PRIMARY DOCUMENT14 Mar 2023

Ziebell William F(36)

  • Form 4PRIMARY DOCUMENT5 Nov
  • Form 4PRIMARY DOCUMENT2 Apr
  • Form 4PRIMARY DOCUMENT18 Mar
  • Form 4PRIMARY DOCUMENT2 Apr 2025
  • Form 4PRIMARY DOCUMENT18 Mar 2025
  • Form 4PRIMARY DOCUMENT11 Mar 2025
  • Form 4PRIMARY DOCUMENT5 Mar 2025
  • Form 4PRIMARY DOCUMENT19 Feb 2025
  • Form 4PRIMARY DOCUMENT20 Dec 2024
  • Form 4PRIMARY DOCUMENT5 Jun 2024

MCKENNA RICHARD J(34)

  • Form 4PRIMARY DOCUMENT12 Aug 2009
  • Form 4PRIMARY DOCUMENT15 Jul 2009
  • Form 4PRIMARY DOCUMENT8 Jun 2009
  • Form 4PRIMARY DOCUMENT10 Mar 2009
  • Form 4PRIMARY DOCUMENT10 Feb 2009
  • Form 4PRIMARY DOCUMENT18 Dec 2008
  • Form 4PRIMARY DOCUMENT13 Aug 2008
  • Form 4PRIMARY DOCUMENT7 Mar 2008
  • Form 4PRIMARY DOCUMENT8 Feb 2008
  • Form 4PRIMARY DOCUMENT2 Nov 2007

WIMMER JAMES R(34)

  • Form 4PRIMARY DOCUMENT22 May 2014
  • Form 5PRIMARY DOCUMENT28 Jan 2014
  • Form 4PRIMARY DOCUMENT10 Sep 2013
  • Form 4PRIMARY DOCUMENT15 Aug 2013
  • Form 4PRIMARY DOCUMENT7 Jun 2013
  • Form 4PRIMARY DOCUMENT16 May 2013
  • Form 4PRIMARY DOCUMENT9 May 2013
  • Form 4PRIMARY DOCUMENT7 Mar 2013
  • Form 4PRIMARY DOCUMENT1 Feb 2013
  • Form 4PRIMARY DOCUMENT19 Dec 2012

English Frank E. Jr.(32)

  • Form 4PRIMARY DOCUMENT4 Nov 2020
  • Form 4PRIMARY DOCUMENT20 Aug 2020
  • Form 4PRIMARY DOCUMENT14 May 2020
  • Form 4PRIMARY DOCUMENT22 Nov 2019
  • Form 4PRIMARY DOCUMENT15 May 2019
  • Form 4PRIMARY DOCUMENT7 May 2019
  • Form 4PRIMARY DOCUMENT7 Feb 2019
  • Form 4PRIMARY DOCUMENT27 Aug 2018
  • Form 4PRIMARY DOCUMENT17 May 2018
  • Form 4PRIMARY DOCUMENT7 May 2018

Mead Christopher E(32)

  • Form 4PRIMARY DOCUMENT4 Nov
  • Form 4PRIMARY DOCUMENT20 Aug
  • Form 4PRIMARY DOCUMENT17 Mar
  • Form 4PRIMARY DOCUMENT9 Mar
  • Form 4PRIMARY DOCUMENT6 Mar
  • Form 4PRIMARY DOCUMENT3 Mar
  • Form 4PRIMARY DOCUMENT29 Dec 2025
  • Form 4PRIMARY DOCUMENT25 Nov 2025
  • Form 4PRIMARY DOCUMENT18 Mar 2025
  • Form 4PRIMARY DOCUMENT14 Mar 2025

Gallagher Patrick Murphy(31)

  • Form 4PRIMARY DOCUMENT10 Sep
  • Form 4PRIMARY DOCUMENT7 Aug
  • Form 4PRIMARY DOCUMENT28 May
  • Form 4PRIMARY DOCUMENT24 Mar
  • Form 4PRIMARY DOCUMENT17 Mar
  • Form 4PRIMARY DOCUMENT6 Mar
  • Form 4PRIMARY DOCUMENT5 Mar
  • Form 4PRIMARY DOCUMENT3 Mar
  • Form 4PRIMARY DOCUMENT11 Jun 2025
  • Form 4PRIMARY DOCUMENT16 May 2025

BAX WILLIAM L(29)

  • Form 4PRIMARY DOCUMENT9 May 2024
  • Form 4PRIMARY DOCUMENT11 May 2023
  • Form 4PRIMARY DOCUMENT1 Nov 2022
  • Form 4PRIMARY DOCUMENT13 May 2022
  • Form 4PRIMARY DOCUMENT13 May 2021
  • Form 4PRIMARY DOCUMENT14 May 2020
  • Form 4PRIMARY DOCUMENT5 Jun 2019
  • Form 4PRIMARY DOCUMENT15 May 2019
  • Form 4PRIMARY DOCUMENT17 May 2018
  • Form 4PRIMARY DOCUMENT18 May 2017

Miskel Christopher C.(28)

  • Form 4PRIMARY DOCUMENT2 Sep
  • Form 4PRIMARY DOCUMENT2 Jun
  • Form 4PRIMARY DOCUMENT13 May
  • Form 4PRIMARY DOCUMENT2 Mar
  • Form 4PRIMARY DOCUMENT3 Dec 2025
  • Form 4PRIMARY DOCUMENT3 Sep 2025
  • Form 4PRIMARY DOCUMENT4 Jun 2025
  • Form 4PRIMARY DOCUMENT15 May 2025
  • Form 4PRIMARY DOCUMENT3 Mar 2025
  • Form 4PRIMARY DOCUMENT3 Dec 2024

Jain Vishal(27)

  • Form 4PRIMARY DOCUMENT6 Jul
  • Form 4PRIMARY DOCUMENT2 Apr
  • Form 4PRIMARY DOCUMENT17 Mar
  • Form 4PRIMARY DOCUMENT10 Mar
  • Form 4PRIMARY DOCUMENT6 Mar
  • Form 4PRIMARY DOCUMENT3 Mar
  • Form 4PRIMARY DOCUMENT5 Jan
  • Form 4PRIMARY DOCUMENT2 Apr 2025
  • Form 4PRIMARY DOCUMENT18 Mar 2025
  • Form 4PRIMARY DOCUMENT14 Mar 2025

ROSENTHAL NORMAN L(24)

  • Form 4PRIMARY DOCUMENT13 May
  • Form 4PRIMARY DOCUMENT15 May 2025
  • Form 4PRIMARY DOCUMENT13 May 2024
  • Form 4PRIMARY DOCUMENT9 May 2024
  • Form 4PRIMARY DOCUMENT11 May 2023
  • Form 4PRIMARY DOCUMENT13 May 2022
  • Form 4PRIMARY DOCUMENT13 May 2021
  • Form 4PRIMARY DOCUMENT14 May 2020
  • Form 4PRIMARY DOCUMENT15 May 2019
  • Form 4PRIMARY DOCUMENT17 May 2018

HAND ELBERT O(24)

  • Form 4PRIMARY DOCUMENT17 May 2018
  • Form 4PRIMARY DOCUMENT15 Feb 2018
  • Form 4PRIMARY DOCUMENT18 May 2017
  • Form 4PRIMARY DOCUMENT17 May 2016
  • Form 4PRIMARY DOCUMENT12 Jun 2015
  • Form 4PRIMARY DOCUMENT2 Jun 2015
  • Form 4PRIMARY DOCUMENT18 Aug 2014
  • Form 4PRIMARY DOCUMENT15 May 2014
  • Form 4PRIMARY DOCUMENT7 Nov 2013
  • Form 4PRIMARY DOCUMENT16 May 2013

BARRAT SHERRY S(21)

  • Form 4PRIMARY DOCUMENT15 May 2025
  • Form 4PRIMARY DOCUMENT5 Feb 2025
  • Form 4PRIMARY DOCUMENT12 Nov 2024
  • Form 4PRIMARY DOCUMENT13 May 2024
  • Form 4PRIMARY DOCUMENT9 May 2024
  • Form 4PRIMARY DOCUMENT11 May 2023
  • Form 4PRIMARY DOCUMENT10 May 2023
  • Form 5PRIMARY DOCUMENT10 Feb 2023
  • Form 4PRIMARY DOCUMENT2 Dec 2022
  • Form 4PRIMARY DOCUMENT13 May 2022

ROSENGREN JOHN C(20)

  • Form 4PRIMARY DOCUMENT17 May 2007
  • Form 4PRIMARY DOCUMENT4 Apr 2007
  • Form 4PRIMARY DOCUMENT8 Feb 2007
  • Form 4PRIMARY DOCUMENT8 Aug 2006
  • Form 4PRIMARY DOCUMENT18 May 2006
  • Form 4PRIMARY DOCUMENT5 Apr 2006
  • Form 4PRIMARY DOCUMENT8 Mar 2006
  • Form 4PRIMARY DOCUMENT16 Aug 2005
  • Form 4PRIMARY DOCUMENT3 Aug 2005
  • Form 4PRIMARY DOCUMENT25 Jul 2005

Coldman David John(18)

  • Form 4PRIMARY DOCUMENT13 May
  • Form 4PRIMARY DOCUMENT15 May 2025
  • Form 4PRIMARY DOCUMENT13 May 2024
  • Form 4PRIMARY DOCUMENT9 May 2024
  • Form 4PRIMARY DOCUMENT11 May 2023
  • Form 4PRIMARY DOCUMENT13 May 2022
  • Form 4PRIMARY DOCUMENT13 May 2021
  • Form 4PRIMARY DOCUMENT14 May 2020
  • Form 4PRIMARY DOCUMENT16 May 2019
  • Form 4PRIMARY DOCUMENT15 May 2019

BRINKERHOFF ELIZABETH(17)

  • Form 4PRIMARY DOCUMENT15 Jun 2006
  • Form 4PRIMARY DOCUMENT18 May 2006
  • Form 4PRIMARY DOCUMENT28 Dec 2005
  • Form 4PRIMARY DOCUMENT3 Aug 2005
  • Form 4PRIMARY DOCUMENT25 Jul 2005
  • Form 4PRIMARY DOCUMENT19 May 2005
  • Form 4PRIMARY DOCUMENT10 May 2005
  • Form 4PRIMARY DOCUMENT1 Feb 2005
  • Form 4PRIMARY DOCUMENT3 Aug 2004
  • Form 4PRIMARY DOCUMENT23 Jul 2004

GORDON ILENE S(15)

  • Form 4PRIMARY DOCUMENT9 May 2013
  • Form 4PRIMARY DOCUMENT6 Nov 2012
  • Form 4PRIMARY DOCUMENT8 May 2012
  • Form 4PRIMARY DOCUMENT9 Mar 2012
  • Form 4PRIMARY DOCUMENT12 May 2011
  • Form 4PRIMARY DOCUMENT25 Feb 2011
  • Form 4PRIMARY DOCUMENT13 May 2010
  • Form 4PRIMARY DOCUMENT2 Mar 2010
  • Form 4PRIMARY DOCUMENT20 May 2009
  • Form 4PRIMARY DOCUMENT14 May 2009

NICOLETTI RALPH J(14)

  • Form 4PRIMARY DOCUMENT13 May
  • Form 4PRIMARY DOCUMENT15 May 2025
  • Form 4PRIMARY DOCUMENT13 May 2024
  • Form 4PRIMARY DOCUMENT9 May 2024
  • Form 4PRIMARY DOCUMENT11 May 2023
  • Form 4PRIMARY DOCUMENT13 May 2022
  • Form 4PRIMARY DOCUMENT13 May 2021
  • Form 4PRIMARY DOCUMENT14 May 2020
  • Form 4PRIMARY DOCUMENT15 May 2019
  • Form 4PRIMARY DOCUMENT17 May 2018

Pesch Michael Robert(13)

  • Form 4PRIMARY DOCUMENT6 Jul
  • Form 4PRIMARY DOCUMENT18 Mar
  • Form 4PRIMARY DOCUMENT9 Mar
  • Form 4PRIMARY DOCUMENT6 Mar
  • Form 4PRIMARY DOCUMENT3 Mar
  • Form 4PRIMARY DOCUMENT3 Nov 2025
  • Form 4PRIMARY DOCUMENT11 Sep 2025
  • Form 4PRIMARY DOCUMENT20 Jun 2025
  • Form 4PRIMARY DOCUMENT14 Mar 2025
  • Form 4PRIMARY DOCUMENT11 Mar 2025

ELSBERG NICHOLAS M(12)

  • Form 4PRIMARY DOCUMENT25 Jul 2005
  • Form 4PRIMARY DOCUMENT14 Mar 2005
  • Form 4PRIMARY DOCUMENT14 Feb 2005
  • Form 4PRIMARY DOCUMENT1 Feb 2005
  • Form 4PRIMARY DOCUMENT3 Aug 2004
  • Form 4PRIMARY DOCUMENT23 Jul 2004
  • Form 4PRIMARY DOCUMENT7 May 2004
  • Form 4PRIMARY DOCUMENT22 Mar 2004
  • Form 4PRIMARY DOCUMENT4 Feb 2004
  • Form 4PRIMARY DOCUMENT18 Dec 2003

BROOKER T KIMBALL(10)

  • Form 4PRIMARY DOCUMENT29 Jan 2010
  • Form 4PRIMARY DOCUMENT14 May 2009
  • Form 4PRIMARY DOCUMENT15 May 2008
  • Form 4PRIMARY DOCUMENT17 May 2007
  • Form 4PRIMARY DOCUMENT4 Jan 2007
  • Form 4PRIMARY DOCUMENT18 May 2006
  • Form 4PRIMARY DOCUMENT16 Feb 2006
  • Form 4PRIMARY DOCUMENT19 May 2005
  • Form 4PRIMARY DOCUMENT19 Oct 2004
  • Form 4PRIMARY DOCUMENT19 May 2004

Bloom Mark H.(10)

  • Form 4PRIMARY DOCUMENT18 Aug
  • Form 4PRIMARY DOCUMENT17 Mar
  • Form 4PRIMARY DOCUMENT6 Mar
  • Form 4PRIMARY DOCUMENT3 Mar
  • Form 4PRIMARY DOCUMENT11 Mar 2025
  • Form 4PRIMARY DOCUMENT5 Mar 2025
  • Form 4PRIMARY DOCUMENT5 Mar 2024
  • Form 4PRIMARY DOCUMENT17 Mar 2023
  • Form 4PRIMARY DOCUMENT14 Mar 2023
  • Form 3PRIMARY DOCUMENT20 May 2022

Clarke Teresa Hillary(9)

  • Form 4PRIMARY DOCUMENT13 May
  • Form 4PRIMARY DOCUMENT15 May 2025
  • Form 4PRIMARY DOCUMENT13 May 2024
  • Form 4PRIMARY DOCUMENT9 May 2024
  • Form 4PRIMARY DOCUMENT11 May 2023
  • Form 4PRIMARY DOCUMENT3 Aug 2022
  • Form 4PRIMARY DOCUMENT13 May 2022
  • Form 4PRIMARY DOCUMENT3 Aug 2021
  • Form 3PRIMARY DOCUMENT3 Aug 2021

COUGHLAN GARY P/PA(6)

  • Form 4PRIMARY DOCUMENT17 May 2007
  • Form 4PRIMARY DOCUMENT18 May 2006
  • Form 4PRIMARY DOCUMENT19 May 2005
  • Form 4PRIMARY DOCUMENT26 May 2004
  • Form 4PRIMARY DOCUMENT19 May 2004
  • Form 4PRIMARY DOCUMENT25 Feb 2004

GALLAGHER ROBERT E(6)

  • Form 4PRIMARY DOCUMENT16 Mar 2006
  • Form 4PRIMARY DOCUMENT26 May 2005
  • Form 4PRIMARY DOCUMENT19 May 2005
  • Form 4PRIMARY DOCUMENT4 Apr 2005
  • Form 4PRIMARY DOCUMENT14 Mar 2005
  • Form 4PRIMARY DOCUMENT22 Mar 2004

BRANIFF JAMES J III(5)

  • Form 4PRIMARY DOCUMENT26 Nov 2003
  • Form 4PRIMARY DOCUMENT31 Jul 2003
  • Form 4/APRIMARY DOCUMENT30 Jul 2003
  • Form 4PRIMARY DOCUMENT21 Jul 2003
  • Form 4PRIMARY DOCUMENT20 Jun 2003

Harries Richard De Winton Wilkin(5)

  • Form 4PRIMARY DOCUMENT13 May
  • Form 4PRIMARY DOCUMENT25 Jul 2025
  • Form 4PRIMARY DOCUMENT15 May 2025
  • Form 4PRIMARY DOCUMENT24 Jul 2024
  • Form 3PRIMARY DOCUMENT24 Jul 2024

Caplan Deborah H(4)

  • Form 4PRIMARY DOCUMENT13 May
  • Form 4PRIMARY DOCUMENT15 May 2025
  • Form 3PRIMARY DOCUMENT9 May 2024
  • Form 4PRIMARY DOCUMENT9 May 2024

HENGESBAUGH BERNARD L(3)

  • Form 4PRIMARY DOCUMENT13 Dec 2004
  • Form 4PRIMARY DOCUMENT19 May 2004
  • Form 3PRIMARY DOCUMENT22 Mar 2004

Koreyva Kyle Graham(2)

  • Form 3PRIMARY DOCUMENT1 Oct
  • Form 3/APRIMARY DOCUMENT8 Oct

≥5% Ownership

BlackRock Inc.(15)

  • SC 13GArthur J. Gallagher & Co.25 Jan 2024
  • SC 13G/AArthur J. Gallagher & Co.3 Feb 2023
  • SC 13G/AArthur J. Gallagher & Co.1 Feb 2022
  • SC 13G/AArthur J. Gallagher & Co.27 Jan 2021
  • SC 13G/AArthur J. Gallagher & Co.4 Feb 2020
  • SC 13G/AGallagher Arthur J & Co10 Jan 2019
  • SC 13G/AGallagher Arthur J & Co25 Jan 2018
  • SC 13G/AGallagher Arthur J & Co19 Jan 2017
  • SC 13G/AGallagher Arthur J & Co25 Jan 2016
  • SC 13G/AGallagher Arthur J & Co23 Jan 2015

VANGUARD GROUP INC(13)

  • SC 13G/AArthur J. Gallagher & Co.26 Mar
  • SC 13G/AArthur J. Gallagher & Co.13 Feb 2024
  • SC 13G/AArthur J. Gallagher & Co.9 Feb 2023
  • SC 13G/AArthur J. Gallagher & Co.9 Feb 2022
  • SC 13G/AArthur J. Gallagher & Co.10 Feb 2021
  • SC 13G/AArthur J. Gallagher & Co.12 Feb 2020
  • SC 13G/AGallagher Arthur J & Co11 Feb 2019
  • SC 13G/AGallagher Arthur J & Co9 Feb 2018
  • SC 13G/AGallagher Arthur J & Co10 Jul 2017
  • SC 13G/AGallagher Arthur J & Co9 Feb 2017

CAPITAL RESEARCH & MANAGEMENT CO(10)

  • SC 13G/AGallagher Arthur J & Co13 Feb 2008
  • SC 13G/AGallagher Arthur J & Co12 Feb 2007
  • SC 13G/AGallagher Arthur J & Co13 Nov 2006
  • SC 13G/AGallagher Arthur J & Co10 Feb 2006
  • SC 13G/AGallagher Arthur J & Co10 Jan 2005
  • SC 13G/AGallagher Arthur J & Co13 Feb 2004
  • SC 13G/AGallagher Arthur J & Co9 May 2003
  • SC 13G/AGallagher Arthur J & Co13 Feb 2003
  • SC 13G/AGallagher Arthur J & Co11 Feb 2002
  • SC 13GGallagher Arthur J & Co12 Feb 2001

Capital World Investors(8)

  • SC 13G/AArthur J. Gallagher & Co.12 Aug
  • SC 13GArthur J. Gallagher & Co.13 Feb
  • SC 13G/AGallagher Arthur J & Co13 Feb 2013
  • SC 13G/AGallagher Arthur J & Co10 Feb 2012
  • SC 13G/AGallagher Arthur J & Co14 Feb 2011
  • SC 13G/AGallagher Arthur J & Co11 Feb 2010
  • SC 13G/AGallagher Arthur J & Co13 Feb 2009
  • SC 13GGallagher Arthur J & Co11 Feb 2008

JPMORGAN CHASE & CO(7)

  • SC 13G/AArthur J. Gallagher & Co.27 Jul
  • SC 13G/AArthur J. Gallagher & Co.31 Oct 2025
  • SC 13G/AArthur J. Gallagher & Co.22 Apr 2025
  • SC 13GArthur J. Gallagher & Co.10 Feb 2025
  • SC 13G/AGallagher Arthur J & Co7 Dec 2017
  • SC 13G/AGallagher Arthur J & Co18 Jan 2017
  • SC 13GGallagher Arthur J & Co26 Jan 2016

Capital Research Global Investors(7)

  • SC 13G/AGallagher Arthur J & Co8 Nov 2013
  • SC 13G/AGallagher Arthur J & Co12 Feb 2013
  • SC 13G/AGallagher Arthur J & Co14 Feb 2012
  • SC 13G/AGallagher Arthur J & Co11 Feb 2011
  • SC 13G/AGallagher Arthur J & Co11 Feb 2010
  • SC 13G/AGallagher Arthur J & Co9 Oct 2009
  • SC 13GGallagher Arthur J & Co13 Feb 2009

Arthur J. Gallagher & Co.(6)

  • SC 13GPG&E Corp10 Aug 2020
  • SC 13G/AU S Energy Systems Inc17 Mar 2006
  • SC 13G/AU S Energy Systems Inc14 Feb 2006
  • SC 13GU S Energy Systems Inc22 May 2001
  • SC 13G/ACovol Technologies Inc11 Jan 1999
  • SC 13GCovol Technologies Inc11 Jan 1999

BARCLAYS GLOBAL INVESTORS NA /CA/(3)

  • SC 13GGallagher Arthur J & Co5 Feb 2009
  • SC 13GGallagher Arthur J & Co5 Feb 2008
  • SC 13GGallagher Arthur J & Co23 Jan 2007

FIRSTAR CORP /WI/(2)

  • SC 13G/AGallagher Arthur J & Co13 Feb 1997
  • SC 13G/AGallagher Arthur J & Co9 Feb 1996

FRANKLIN RESOURCES INC(2)

  • SC 13G/AGallagher Arthur J & Co8 Jan 1999
  • SC 13GGallagher Arthur J & Co4 Feb 1998

FMR LLC(2)

  • SC 13G/AArthur J. Gallagher & Co.6 Aug
  • SC 13GArthur J. Gallagher & Co.12 Nov 2024

FIRSTAR INVESTMENT RESEARCH & MANAGEMENT CO /WI/(2)

  • SC 13G/AGallagher Arthur J & Co13 Feb 1997
  • SC 13G/AGallagher Arthur J & Co9 Feb 1996

WELLINGTON MANAGEMENT CO LLP(2)

  • SC 13G/AGallagher Arthur J & Co14 Feb 2005
  • SC 13GGallagher Arthur J & Co12 Feb 2004

Invesco Ltd.(2)

  • SC 13G/AGallagher Arthur J & Co14 Feb 2008
  • SC 13GGallagher Arthur J & Co14 Feb 2007

M&G INVESTMENT MANAGEMENT LTD(2)

  • SC 13G/AGallagher Arthur J & Co11 Feb 2016
  • SC 13GGallagher Arthur J & Co4 Feb 2015

CAPITAL GROUP INTERNATIONAL INC(2)

  • SC 13G/AGallagher Arthur J & Co13 Feb 2015
  • SC 13GGallagher Arthur J & Co13 Feb 2014

PUTNAM INVESTMENTS INC(1)

  • SC 13G/AGallagher Arthur J & Co19 Jan 1996

BlackRock, Inc.(1)

  • SC 13G/AArthur J. Gallagher & Co.16 Jul 2025

VANGUARD CAPITAL MANAGEMENT LLC(1)

  • SC 13GArthur J. Gallagher & Co.29 Apr

Insider Ownership

HOWELL DOUGLAS K(146)

  • Form 4PRIMARY DOCUMENT4 Nov
  • Form 4PRIMARY DOCUMENT24 Jun
  • Form 4PRIMARY DOCUMENT2 Apr
  • Form 4PRIMARY DOCUMENT17 Mar
  • Form 4PRIMARY DOCUMENT6 Mar
  • Form 4PRIMARY DOCUMENT3 Mar
  • Form 4PRIMARY DOCUMENT12 Feb
  • Form 4PRIMARY DOCUMENT29 Dec 2025
  • Form 4PRIMARY DOCUMENT23 Sep 2025
  • Form 4PRIMARY DOCUMENT11 Sep 2025

GALLAGHER J PATRICK JR(135)

  • Form 4PRIMARY DOCUMENT10 Sep
  • Form 4PRIMARY DOCUMENT28 May
  • Form 4PRIMARY DOCUMENT1 Apr
  • Form 4PRIMARY DOCUMENT17 Mar
  • Form 4PRIMARY DOCUMENT6 Mar
  • Form 4PRIMARY DOCUMENT4 Mar
  • Form 4PRIMARY DOCUMENT3 Mar
  • Form 4PRIMARY DOCUMENT11 Jun 2025
  • Form 4PRIMARY DOCUMENT29 May 2025
  • Form 4PRIMARY DOCUMENT2 Apr 2025

Bay Walter D.(89)

  • Form 4PRIMARY DOCUMENT26 Aug
  • Form 4PRIMARY DOCUMENT1 Apr
  • Form 4PRIMARY DOCUMENT17 Mar
  • Form 4PRIMARY DOCUMENT6 Mar
  • Form 4PRIMARY DOCUMENT3 Mar
  • Form 4PRIMARY DOCUMENT23 Dec 2025
  • Form 4PRIMARY DOCUMENT2 Apr 2025
  • Form 4PRIMARY DOCUMENT18 Mar 2025
  • Form 4PRIMARY DOCUMENT14 Mar 2025
  • Form 4PRIMARY DOCUMENT11 Mar 2025

CARY RICHARD C(87)

  • Form 4PRIMARY DOCUMENT17 Sep
  • Form 4PRIMARY DOCUMENT2 Jun
  • Form 4PRIMARY DOCUMENT1 Apr
  • Form 4PRIMARY DOCUMENT17 Mar
  • Form 4PRIMARY DOCUMENT20 Nov 2025
  • Form 4PRIMARY DOCUMENT22 Aug 2025
  • Form 4PRIMARY DOCUMENT9 May 2025
  • Form 4PRIMARY DOCUMENT2 Apr 2025
  • Form 4PRIMARY DOCUMENT14 Mar 2025
  • Form 4PRIMARY DOCUMENT11 Mar 2025

Pietrucha Susan E(76)

  • Form 4PRIMARY DOCUMENT17 Mar
  • Form 4PRIMARY DOCUMENT6 Mar
  • Form 4PRIMARY DOCUMENT3 Mar
  • Form 4PRIMARY DOCUMENT20 May 2025
  • Form 4PRIMARY DOCUMENT18 Mar 2025
  • Form 4PRIMARY DOCUMENT14 Mar 2025
  • Form 4PRIMARY DOCUMENT11 Mar 2025
  • Form 4PRIMARY DOCUMENT5 Mar 2025
  • Form 4PRIMARY DOCUMENT19 Mar 2024
  • Form 4PRIMARY DOCUMENT18 Mar 2024

GALLAGHER THOMAS JOSEPH(72)

  • Form 4PRIMARY DOCUMENT6 Jul
  • Form 4PRIMARY DOCUMENT2 Apr
  • Form 4PRIMARY DOCUMENT24 Mar
  • Form 4PRIMARY DOCUMENT17 Mar
  • Form 4PRIMARY DOCUMENT6 Mar
  • Form 4PRIMARY DOCUMENT2 Mar
  • Form 4PRIMARY DOCUMENT22 Aug 2025
  • Form 4PRIMARY DOCUMENT4 Aug 2025
  • Form 4PRIMARY DOCUMENT20 May 2025
  • Form 4PRIMARY DOCUMENT2 Apr 2025

GAULT JAMES S(63)

  • Form 4PRIMARY DOCUMENT4 Dec 2017
  • Form 4PRIMARY DOCUMENT30 Mar 2017
  • Form 4PRIMARY DOCUMENT22 Mar 2017
  • Form 4PRIMARY DOCUMENT14 Mar 2017
  • Form 4PRIMARY DOCUMENT8 Dec 2016
  • Form 4PRIMARY DOCUMENT22 Nov 2016
  • Form 4PRIMARY DOCUMENT18 Mar 2016
  • Form 4PRIMARY DOCUMENT26 Feb 2016
  • Form 4PRIMARY DOCUMENT20 Nov 2015
  • Form 4PRIMARY DOCUMENT19 Mar 2015

Hudson Scott R(63)

  • Form 4PRIMARY DOCUMENT4 Sep
  • Form 4PRIMARY DOCUMENT2 Apr
  • Form 4PRIMARY DOCUMENT17 Mar
  • Form 4PRIMARY DOCUMENT9 Mar
  • Form 4PRIMARY DOCUMENT6 Mar
  • Form 4PRIMARY DOCUMENT3 Mar
  • Form 4PRIMARY DOCUMENT9 Sep 2025
  • Form 4PRIMARY DOCUMENT22 May 2025
  • Form 4PRIMARY DOCUMENT2 Apr 2025
  • Form 4PRIMARY DOCUMENT21 Mar 2025

DURKIN JAMES W JR(61)

  • Form 4PRIMARY DOCUMENT30 Jan 2018
  • Form 4PRIMARY DOCUMENT4 Dec 2017
  • Form 4PRIMARY DOCUMENT30 Mar 2017
  • Form 4PRIMARY DOCUMENT22 Mar 2017
  • Form 4PRIMARY DOCUMENT14 Mar 2017
  • Form 4PRIMARY DOCUMENT16 Feb 2017
  • Form 4PRIMARY DOCUMENT22 Nov 2016
  • Form 4PRIMARY DOCUMENT18 Mar 2016
  • Form 4PRIMARY DOCUMENT26 Feb 2016
  • Form 4PRIMARY DOCUMENT20 Nov 2015

MCGURN DAVID E JR(55)

  • Form 5/APRIMARY DOCUMENT9 Feb 2016
  • Form 5PRIMARY DOCUMENT5 Feb 2016
  • Form 4PRIMARY DOCUMENT12 Jun 2015
  • Form 4PRIMARY DOCUMENT19 Mar 2015
  • Form 4PRIMARY DOCUMENT13 Mar 2015
  • Form 4PRIMARY DOCUMENT10 Mar 2015
  • Form 4PRIMARY DOCUMENT19 Jun 2014
  • Form 4PRIMARY DOCUMENT19 Mar 2014
  • Form 4PRIMARY DOCUMENT14 Mar 2014
  • Form 4PRIMARY DOCUMENT4 Mar 2014

JOHNSON DAVID S(52)

  • Form 4PRIMARY DOCUMENT2 Jun
  • Form 4PRIMARY DOCUMENT13 May
  • Form 4PRIMARY DOCUMENT2 Mar
  • Form 4PRIMARY DOCUMENT3 Dec 2025
  • Form 4PRIMARY DOCUMENT3 Sep 2025
  • Form 4PRIMARY DOCUMENT4 Jun 2025
  • Form 4PRIMARY DOCUMENT20 May 2025
  • Form 4PRIMARY DOCUMENT15 May 2025
  • Form 4PRIMARY DOCUMENT12 Feb 2025
  • Form 4PRIMARY DOCUMENT24 May 2024

McCurdy Kay W(37)

  • Form 4PRIMARY DOCUMENT11 May 2023
  • Form 4PRIMARY DOCUMENT5 May 2023
  • Form 4PRIMARY DOCUMENT10 Feb 2023
  • Form 4PRIMARY DOCUMENT5 Dec 2022
  • Form 4PRIMARY DOCUMENT13 May 2022
  • Form 5PRIMARY DOCUMENT14 Feb 2022
  • Form 4PRIMARY DOCUMENT13 May 2021
  • Form 4PRIMARY DOCUMENT25 Aug 2020
  • Form 4PRIMARY DOCUMENT14 May 2020
  • Form 4PRIMARY DOCUMENT21 Aug 2019

Cavaness Joel D(37)

  • Form 4PRIMARY DOCUMENT1 May 2024
  • Form 4PRIMARY DOCUMENT19 Mar 2024
  • Form 4PRIMARY DOCUMENT18 Mar 2024
  • Form 4PRIMARY DOCUMENT28 Feb 2024
  • Form 4PRIMARY DOCUMENT2 Nov 2023
  • Form 4PRIMARY DOCUMENT18 Jul 2023
  • Form 4PRIMARY DOCUMENT12 Jun 2023
  • Form 4PRIMARY DOCUMENT8 May 2023
  • Form 4PRIMARY DOCUMENT17 Mar 2023
  • Form 4PRIMARY DOCUMENT14 Mar 2023

Ziebell William F(36)

  • Form 4PRIMARY DOCUMENT5 Nov
  • Form 4PRIMARY DOCUMENT2 Apr
  • Form 4PRIMARY DOCUMENT18 Mar
  • Form 4PRIMARY DOCUMENT2 Apr 2025
  • Form 4PRIMARY DOCUMENT18 Mar 2025
  • Form 4PRIMARY DOCUMENT11 Mar 2025
  • Form 4PRIMARY DOCUMENT5 Mar 2025
  • Form 4PRIMARY DOCUMENT19 Feb 2025
  • Form 4PRIMARY DOCUMENT20 Dec 2024
  • Form 4PRIMARY DOCUMENT5 Jun 2024

MCKENNA RICHARD J(34)

  • Form 4PRIMARY DOCUMENT12 Aug 2009
  • Form 4PRIMARY DOCUMENT15 Jul 2009
  • Form 4PRIMARY DOCUMENT8 Jun 2009
  • Form 4PRIMARY DOCUMENT10 Mar 2009
  • Form 4PRIMARY DOCUMENT10 Feb 2009
  • Form 4PRIMARY DOCUMENT18 Dec 2008
  • Form 4PRIMARY DOCUMENT13 Aug 2008
  • Form 4PRIMARY DOCUMENT7 Mar 2008
  • Form 4PRIMARY DOCUMENT8 Feb 2008
  • Form 4PRIMARY DOCUMENT2 Nov 2007

WIMMER JAMES R(34)

  • Form 4PRIMARY DOCUMENT22 May 2014
  • Form 5PRIMARY DOCUMENT28 Jan 2014
  • Form 4PRIMARY DOCUMENT10 Sep 2013
  • Form 4PRIMARY DOCUMENT15 Aug 2013
  • Form 4PRIMARY DOCUMENT7 Jun 2013
  • Form 4PRIMARY DOCUMENT16 May 2013
  • Form 4PRIMARY DOCUMENT9 May 2013
  • Form 4PRIMARY DOCUMENT7 Mar 2013
  • Form 4PRIMARY DOCUMENT1 Feb 2013
  • Form 4PRIMARY DOCUMENT19 Dec 2012

English Frank E. Jr.(32)

  • Form 4PRIMARY DOCUMENT4 Nov 2020
  • Form 4PRIMARY DOCUMENT20 Aug 2020
  • Form 4PRIMARY DOCUMENT14 May 2020
  • Form 4PRIMARY DOCUMENT22 Nov 2019
  • Form 4PRIMARY DOCUMENT15 May 2019
  • Form 4PRIMARY DOCUMENT7 May 2019
  • Form 4PRIMARY DOCUMENT7 Feb 2019
  • Form 4PRIMARY DOCUMENT27 Aug 2018
  • Form 4PRIMARY DOCUMENT17 May 2018
  • Form 4PRIMARY DOCUMENT7 May 2018

Mead Christopher E(32)

  • Form 4PRIMARY DOCUMENT4 Nov
  • Form 4PRIMARY DOCUMENT20 Aug
  • Form 4PRIMARY DOCUMENT17 Mar
  • Form 4PRIMARY DOCUMENT9 Mar
  • Form 4PRIMARY DOCUMENT6 Mar
  • Form 4PRIMARY DOCUMENT3 Mar
  • Form 4PRIMARY DOCUMENT29 Dec 2025
  • Form 4PRIMARY DOCUMENT25 Nov 2025
  • Form 4PRIMARY DOCUMENT18 Mar 2025
  • Form 4PRIMARY DOCUMENT14 Mar 2025

Gallagher Patrick Murphy(31)

  • Form 4PRIMARY DOCUMENT10 Sep
  • Form 4PRIMARY DOCUMENT7 Aug
  • Form 4PRIMARY DOCUMENT28 May
  • Form 4PRIMARY DOCUMENT24 Mar
  • Form 4PRIMARY DOCUMENT17 Mar
  • Form 4PRIMARY DOCUMENT6 Mar
  • Form 4PRIMARY DOCUMENT5 Mar
  • Form 4PRIMARY DOCUMENT3 Mar
  • Form 4PRIMARY DOCUMENT11 Jun 2025
  • Form 4PRIMARY DOCUMENT16 May 2025

BAX WILLIAM L(29)

  • Form 4PRIMARY DOCUMENT9 May 2024
  • Form 4PRIMARY DOCUMENT11 May 2023
  • Form 4PRIMARY DOCUMENT1 Nov 2022
  • Form 4PRIMARY DOCUMENT13 May 2022
  • Form 4PRIMARY DOCUMENT13 May 2021
  • Form 4PRIMARY DOCUMENT14 May 2020
  • Form 4PRIMARY DOCUMENT5 Jun 2019
  • Form 4PRIMARY DOCUMENT15 May 2019
  • Form 4PRIMARY DOCUMENT17 May 2018
  • Form 4PRIMARY DOCUMENT18 May 2017

Miskel Christopher C.(28)

  • Form 4PRIMARY DOCUMENT2 Sep
  • Form 4PRIMARY DOCUMENT2 Jun
  • Form 4PRIMARY DOCUMENT13 May
  • Form 4PRIMARY DOCUMENT2 Mar
  • Form 4PRIMARY DOCUMENT3 Dec 2025
  • Form 4PRIMARY DOCUMENT3 Sep 2025
  • Form 4PRIMARY DOCUMENT4 Jun 2025
  • Form 4PRIMARY DOCUMENT15 May 2025
  • Form 4PRIMARY DOCUMENT3 Mar 2025
  • Form 4PRIMARY DOCUMENT3 Dec 2024

Jain Vishal(27)

  • Form 4PRIMARY DOCUMENT6 Jul
  • Form 4PRIMARY DOCUMENT2 Apr
  • Form 4PRIMARY DOCUMENT17 Mar
  • Form 4PRIMARY DOCUMENT10 Mar
  • Form 4PRIMARY DOCUMENT6 Mar
  • Form 4PRIMARY DOCUMENT3 Mar
  • Form 4PRIMARY DOCUMENT5 Jan
  • Form 4PRIMARY DOCUMENT2 Apr 2025
  • Form 4PRIMARY DOCUMENT18 Mar 2025
  • Form 4PRIMARY DOCUMENT14 Mar 2025

ROSENTHAL NORMAN L(24)

  • Form 4PRIMARY DOCUMENT13 May
  • Form 4PRIMARY DOCUMENT15 May 2025
  • Form 4PRIMARY DOCUMENT13 May 2024
  • Form 4PRIMARY DOCUMENT9 May 2024
  • Form 4PRIMARY DOCUMENT11 May 2023
  • Form 4PRIMARY DOCUMENT13 May 2022
  • Form 4PRIMARY DOCUMENT13 May 2021
  • Form 4PRIMARY DOCUMENT14 May 2020
  • Form 4PRIMARY DOCUMENT15 May 2019
  • Form 4PRIMARY DOCUMENT17 May 2018

HAND ELBERT O(24)

  • Form 4PRIMARY DOCUMENT17 May 2018
  • Form 4PRIMARY DOCUMENT15 Feb 2018
  • Form 4PRIMARY DOCUMENT18 May 2017
  • Form 4PRIMARY DOCUMENT17 May 2016
  • Form 4PRIMARY DOCUMENT12 Jun 2015
  • Form 4PRIMARY DOCUMENT2 Jun 2015
  • Form 4PRIMARY DOCUMENT18 Aug 2014
  • Form 4PRIMARY DOCUMENT15 May 2014
  • Form 4PRIMARY DOCUMENT7 Nov 2013
  • Form 4PRIMARY DOCUMENT16 May 2013

BARRAT SHERRY S(21)

  • Form 4PRIMARY DOCUMENT15 May 2025
  • Form 4PRIMARY DOCUMENT5 Feb 2025
  • Form 4PRIMARY DOCUMENT12 Nov 2024
  • Form 4PRIMARY DOCUMENT13 May 2024
  • Form 4PRIMARY DOCUMENT9 May 2024
  • Form 4PRIMARY DOCUMENT11 May 2023
  • Form 4PRIMARY DOCUMENT10 May 2023
  • Form 5PRIMARY DOCUMENT10 Feb 2023
  • Form 4PRIMARY DOCUMENT2 Dec 2022
  • Form 4PRIMARY DOCUMENT13 May 2022

ROSENGREN JOHN C(20)

  • Form 4PRIMARY DOCUMENT17 May 2007
  • Form 4PRIMARY DOCUMENT4 Apr 2007
  • Form 4PRIMARY DOCUMENT8 Feb 2007
  • Form 4PRIMARY DOCUMENT8 Aug 2006
  • Form 4PRIMARY DOCUMENT18 May 2006
  • Form 4PRIMARY DOCUMENT5 Apr 2006
  • Form 4PRIMARY DOCUMENT8 Mar 2006
  • Form 4PRIMARY DOCUMENT16 Aug 2005
  • Form 4PRIMARY DOCUMENT3 Aug 2005
  • Form 4PRIMARY DOCUMENT25 Jul 2005

Coldman David John(18)

  • Form 4PRIMARY DOCUMENT13 May
  • Form 4PRIMARY DOCUMENT15 May 2025
  • Form 4PRIMARY DOCUMENT13 May 2024
  • Form 4PRIMARY DOCUMENT9 May 2024
  • Form 4PRIMARY DOCUMENT11 May 2023
  • Form 4PRIMARY DOCUMENT13 May 2022
  • Form 4PRIMARY DOCUMENT13 May 2021
  • Form 4PRIMARY DOCUMENT14 May 2020
  • Form 4PRIMARY DOCUMENT16 May 2019
  • Form 4PRIMARY DOCUMENT15 May 2019

BRINKERHOFF ELIZABETH(17)

  • Form 4PRIMARY DOCUMENT15 Jun 2006
  • Form 4PRIMARY DOCUMENT18 May 2006
  • Form 4PRIMARY DOCUMENT28 Dec 2005
  • Form 4PRIMARY DOCUMENT3 Aug 2005
  • Form 4PRIMARY DOCUMENT25 Jul 2005
  • Form 4PRIMARY DOCUMENT19 May 2005
  • Form 4PRIMARY DOCUMENT10 May 2005
  • Form 4PRIMARY DOCUMENT1 Feb 2005
  • Form 4PRIMARY DOCUMENT3 Aug 2004
  • Form 4PRIMARY DOCUMENT23 Jul 2004

GORDON ILENE S(15)

  • Form 4PRIMARY DOCUMENT9 May 2013
  • Form 4PRIMARY DOCUMENT6 Nov 2012
  • Form 4PRIMARY DOCUMENT8 May 2012
  • Form 4PRIMARY DOCUMENT9 Mar 2012
  • Form 4PRIMARY DOCUMENT12 May 2011
  • Form 4PRIMARY DOCUMENT25 Feb 2011
  • Form 4PRIMARY DOCUMENT13 May 2010
  • Form 4PRIMARY DOCUMENT2 Mar 2010
  • Form 4PRIMARY DOCUMENT20 May 2009
  • Form 4PRIMARY DOCUMENT14 May 2009

NICOLETTI RALPH J(14)

  • Form 4PRIMARY DOCUMENT13 May
  • Form 4PRIMARY DOCUMENT15 May 2025
  • Form 4PRIMARY DOCUMENT13 May 2024
  • Form 4PRIMARY DOCUMENT9 May 2024
  • Form 4PRIMARY DOCUMENT11 May 2023
  • Form 4PRIMARY DOCUMENT13 May 2022
  • Form 4PRIMARY DOCUMENT13 May 2021
  • Form 4PRIMARY DOCUMENT14 May 2020
  • Form 4PRIMARY DOCUMENT15 May 2019
  • Form 4PRIMARY DOCUMENT17 May 2018

Pesch Michael Robert(13)

  • Form 4PRIMARY DOCUMENT6 Jul
  • Form 4PRIMARY DOCUMENT18 Mar
  • Form 4PRIMARY DOCUMENT9 Mar
  • Form 4PRIMARY DOCUMENT6 Mar
  • Form 4PRIMARY DOCUMENT3 Mar
  • Form 4PRIMARY DOCUMENT3 Nov 2025
  • Form 4PRIMARY DOCUMENT11 Sep 2025
  • Form 4PRIMARY DOCUMENT20 Jun 2025
  • Form 4PRIMARY DOCUMENT14 Mar 2025
  • Form 4PRIMARY DOCUMENT11 Mar 2025

ELSBERG NICHOLAS M(12)

  • Form 4PRIMARY DOCUMENT25 Jul 2005
  • Form 4PRIMARY DOCUMENT14 Mar 2005
  • Form 4PRIMARY DOCUMENT14 Feb 2005
  • Form 4PRIMARY DOCUMENT1 Feb 2005
  • Form 4PRIMARY DOCUMENT3 Aug 2004
  • Form 4PRIMARY DOCUMENT23 Jul 2004
  • Form 4PRIMARY DOCUMENT7 May 2004
  • Form 4PRIMARY DOCUMENT22 Mar 2004
  • Form 4PRIMARY DOCUMENT4 Feb 2004
  • Form 4PRIMARY DOCUMENT18 Dec 2003

BROOKER T KIMBALL(10)

  • Form 4PRIMARY DOCUMENT29 Jan 2010
  • Form 4PRIMARY DOCUMENT14 May 2009
  • Form 4PRIMARY DOCUMENT15 May 2008
  • Form 4PRIMARY DOCUMENT17 May 2007
  • Form 4PRIMARY DOCUMENT4 Jan 2007
  • Form 4PRIMARY DOCUMENT18 May 2006
  • Form 4PRIMARY DOCUMENT16 Feb 2006
  • Form 4PRIMARY DOCUMENT19 May 2005
  • Form 4PRIMARY DOCUMENT19 Oct 2004
  • Form 4PRIMARY DOCUMENT19 May 2004

Bloom Mark H.(10)

  • Form 4PRIMARY DOCUMENT18 Aug
  • Form 4PRIMARY DOCUMENT17 Mar
  • Form 4PRIMARY DOCUMENT6 Mar
  • Form 4PRIMARY DOCUMENT3 Mar
  • Form 4PRIMARY DOCUMENT11 Mar 2025
  • Form 4PRIMARY DOCUMENT5 Mar 2025
  • Form 4PRIMARY DOCUMENT5 Mar 2024
  • Form 4PRIMARY DOCUMENT17 Mar 2023
  • Form 4PRIMARY DOCUMENT14 Mar 2023
  • Form 3PRIMARY DOCUMENT20 May 2022

Clarke Teresa Hillary(9)

  • Form 4PRIMARY DOCUMENT13 May
  • Form 4PRIMARY DOCUMENT15 May 2025
  • Form 4PRIMARY DOCUMENT13 May 2024
  • Form 4PRIMARY DOCUMENT9 May 2024
  • Form 4PRIMARY DOCUMENT11 May 2023
  • Form 4PRIMARY DOCUMENT3 Aug 2022
  • Form 4PRIMARY DOCUMENT13 May 2022
  • Form 4PRIMARY DOCUMENT3 Aug 2021
  • Form 3PRIMARY DOCUMENT3 Aug 2021

COUGHLAN GARY P/PA(6)

  • Form 4PRIMARY DOCUMENT17 May 2007
  • Form 4PRIMARY DOCUMENT18 May 2006
  • Form 4PRIMARY DOCUMENT19 May 2005
  • Form 4PRIMARY DOCUMENT26 May 2004
  • Form 4PRIMARY DOCUMENT19 May 2004
  • Form 4PRIMARY DOCUMENT25 Feb 2004

GALLAGHER ROBERT E(6)

  • Form 4PRIMARY DOCUMENT16 Mar 2006
  • Form 4PRIMARY DOCUMENT26 May 2005
  • Form 4PRIMARY DOCUMENT19 May 2005
  • Form 4PRIMARY DOCUMENT4 Apr 2005
  • Form 4PRIMARY DOCUMENT14 Mar 2005
  • Form 4PRIMARY DOCUMENT22 Mar 2004

BRANIFF JAMES J III(5)

  • Form 4PRIMARY DOCUMENT26 Nov 2003
  • Form 4PRIMARY DOCUMENT31 Jul 2003
  • Form 4/APRIMARY DOCUMENT30 Jul 2003
  • Form 4PRIMARY DOCUMENT21 Jul 2003
  • Form 4PRIMARY DOCUMENT20 Jun 2003

Harries Richard De Winton Wilkin(5)

  • Form 4PRIMARY DOCUMENT13 May
  • Form 4PRIMARY DOCUMENT25 Jul 2025
  • Form 4PRIMARY DOCUMENT15 May 2025
  • Form 4PRIMARY DOCUMENT24 Jul 2024
  • Form 3PRIMARY DOCUMENT24 Jul 2024

Caplan Deborah H(4)

  • Form 4PRIMARY DOCUMENT13 May
  • Form 4PRIMARY DOCUMENT15 May 2025
  • Form 3PRIMARY DOCUMENT9 May 2024
  • Form 4PRIMARY DOCUMENT9 May 2024

HENGESBAUGH BERNARD L(3)

  • Form 4PRIMARY DOCUMENT13 Dec 2004
  • Form 4PRIMARY DOCUMENT19 May 2004
  • Form 3PRIMARY DOCUMENT22 Mar 2004

Koreyva Kyle Graham(2)

  • Form 3PRIMARY DOCUMENT1 Oct
  • Form 3/APRIMARY DOCUMENT8 Oct

≥5% Ownership

BlackRock Inc.(15)

  • SC 13GArthur J. Gallagher & Co.25 Jan 2024
  • SC 13G/AArthur J. Gallagher & Co.3 Feb 2023
  • SC 13G/AArthur J. Gallagher & Co.1 Feb 2022
  • SC 13G/AArthur J. Gallagher & Co.27 Jan 2021
  • SC 13G/AArthur J. Gallagher & Co.4 Feb 2020
  • SC 13G/AGallagher Arthur J & Co10 Jan 2019
  • SC 13G/AGallagher Arthur J & Co25 Jan 2018
  • SC 13G/AGallagher Arthur J & Co19 Jan 2017
  • SC 13G/AGallagher Arthur J & Co25 Jan 2016
  • SC 13G/AGallagher Arthur J & Co23 Jan 2015

VANGUARD GROUP INC(13)

  • SC 13G/AArthur J. Gallagher & Co.26 Mar
  • SC 13G/AArthur J. Gallagher & Co.13 Feb 2024
  • SC 13G/AArthur J. Gallagher & Co.9 Feb 2023
  • SC 13G/AArthur J. Gallagher & Co.9 Feb 2022
  • SC 13G/AArthur J. Gallagher & Co.10 Feb 2021
  • SC 13G/AArthur J. Gallagher & Co.12 Feb 2020
  • SC 13G/AGallagher Arthur J & Co11 Feb 2019
  • SC 13G/AGallagher Arthur J & Co9 Feb 2018
  • SC 13G/AGallagher Arthur J & Co10 Jul 2017
  • SC 13G/AGallagher Arthur J & Co9 Feb 2017

CAPITAL RESEARCH & MANAGEMENT CO(10)

  • SC 13G/AGallagher Arthur J & Co13 Feb 2008
  • SC 13G/AGallagher Arthur J & Co12 Feb 2007
  • SC 13G/AGallagher Arthur J & Co13 Nov 2006
  • SC 13G/AGallagher Arthur J & Co10 Feb 2006
  • SC 13G/AGallagher Arthur J & Co10 Jan 2005
  • SC 13G/AGallagher Arthur J & Co13 Feb 2004
  • SC 13G/AGallagher Arthur J & Co9 May 2003
  • SC 13G/AGallagher Arthur J & Co13 Feb 2003
  • SC 13G/AGallagher Arthur J & Co11 Feb 2002
  • SC 13GGallagher Arthur J & Co12 Feb 2001

Capital World Investors(8)

  • SC 13G/AArthur J. Gallagher & Co.12 Aug
  • SC 13GArthur J. Gallagher & Co.13 Feb
  • SC 13G/AGallagher Arthur J & Co13 Feb 2013
  • SC 13G/AGallagher Arthur J & Co10 Feb 2012
  • SC 13G/AGallagher Arthur J & Co14 Feb 2011
  • SC 13G/AGallagher Arthur J & Co11 Feb 2010
  • SC 13G/AGallagher Arthur J & Co13 Feb 2009
  • SC 13GGallagher Arthur J & Co11 Feb 2008

JPMORGAN CHASE & CO(7)

  • SC 13G/AArthur J. Gallagher & Co.27 Jul
  • SC 13G/AArthur J. Gallagher & Co.31 Oct 2025
  • SC 13G/AArthur J. Gallagher & Co.22 Apr 2025
  • SC 13GArthur J. Gallagher & Co.10 Feb 2025
  • SC 13G/AGallagher Arthur J & Co7 Dec 2017
  • SC 13G/AGallagher Arthur J & Co18 Jan 2017
  • SC 13GGallagher Arthur J & Co26 Jan 2016

Capital Research Global Investors(7)

  • SC 13G/AGallagher Arthur J & Co8 Nov 2013
  • SC 13G/AGallagher Arthur J & Co12 Feb 2013
  • SC 13G/AGallagher Arthur J & Co14 Feb 2012
  • SC 13G/AGallagher Arthur J & Co11 Feb 2011
  • SC 13G/AGallagher Arthur J & Co11 Feb 2010
  • SC 13G/AGallagher Arthur J & Co9 Oct 2009
  • SC 13GGallagher Arthur J & Co13 Feb 2009

Arthur J. Gallagher & Co.(6)

  • SC 13GPG&E Corp10 Aug 2020
  • SC 13G/AU S Energy Systems Inc17 Mar 2006
  • SC 13G/AU S Energy Systems Inc14 Feb 2006
  • SC 13GU S Energy Systems Inc22 May 2001
  • SC 13G/ACovol Technologies Inc11 Jan 1999
  • SC 13GCovol Technologies Inc11 Jan 1999

BARCLAYS GLOBAL INVESTORS NA /CA/(3)

  • SC 13GGallagher Arthur J & Co5 Feb 2009
  • SC 13GGallagher Arthur J & Co5 Feb 2008
  • SC 13GGallagher Arthur J & Co23 Jan 2007

FIRSTAR CORP /WI/(2)

  • SC 13G/AGallagher Arthur J & Co13 Feb 1997
  • SC 13G/AGallagher Arthur J & Co9 Feb 1996

FRANKLIN RESOURCES INC(2)

  • SC 13G/AGallagher Arthur J & Co8 Jan 1999
  • SC 13GGallagher Arthur J & Co4 Feb 1998

FMR LLC(2)

  • SC 13G/AArthur J. Gallagher & Co.6 Aug
  • SC 13GArthur J. Gallagher & Co.12 Nov 2024

FIRSTAR INVESTMENT RESEARCH & MANAGEMENT CO /WI/(2)

  • SC 13G/AGallagher Arthur J & Co13 Feb 1997
  • SC 13G/AGallagher Arthur J & Co9 Feb 1996

WELLINGTON MANAGEMENT CO LLP(2)

  • SC 13G/AGallagher Arthur J & Co14 Feb 2005
  • SC 13GGallagher Arthur J & Co12 Feb 2004

Invesco Ltd.(2)

  • SC 13G/AGallagher Arthur J & Co14 Feb 2008
  • SC 13GGallagher Arthur J & Co14 Feb 2007

M&G INVESTMENT MANAGEMENT LTD(2)

  • SC 13G/AGallagher Arthur J & Co11 Feb 2016
  • SC 13GGallagher Arthur J & Co4 Feb 2015

CAPITAL GROUP INTERNATIONAL INC(2)

  • SC 13G/AGallagher Arthur J & Co13 Feb 2015
  • SC 13GGallagher Arthur J & Co13 Feb 2014

PUTNAM INVESTMENTS INC(1)

  • SC 13G/AGallagher Arthur J & Co19 Jan 1996

BlackRock, Inc.(1)

  • SC 13G/AArthur J. Gallagher & Co.16 Jul 2025

VANGUARD CAPITAL MANAGEMENT LLC(1)

  • SC 13GArthur J. Gallagher & Co.29 Apr