Arthur J. Gallagher & Co. (AJG) Insider Ownership

Historic Insider Ownership Trends

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Thomas Joseph Gallagher President 324,183 0 17 Mar, 2026
J Patrick Jr Gallagher Ceo 0 219,955 04 Mar, 2026
Joel D Cavaness Vice President 159,581 0 01 May, 2024
J Patrick Jr Gallagher Ceo 120,985 0 17 Mar, 2026
Douglas K Howell Vp Chief Financial Officer 106,710 0 17 Mar, 2026
Thomas Joseph Gallagher President 0 96,709 22 Aug, 2025
Scott R Hudson Vice President 90,262 0 17 Mar, 2026
Walter D. Bay General Counsel 75,414 0 17 Mar, 2026
Vishal Jain Vice President 66,741 0 17 Mar, 2026
Patrick Murphy Gallagher Chief Operating Officer 0 53,262 05 Mar, 2026
Richard C Cary Controller, Cao 50,487 0 17 Mar, 2026
William F Ziebell Vice President 48,685 0 18 Mar, 2026
William L Bax 47,904 0 09 May, 2024
David S Johnson 46,038 0 02 Mar, 2026
Michael Robert Pesch Vice President 44,379 0 18 Mar, 2026
Norman L Rosenthal 41,876 0 15 May, 2025
Patrick Murphy Gallagher Chief Operating Officer 38,576 0 17 Mar, 2026
Kay W Mccurdy 30,621 0 11 May, 2023
Christopher E Mead Vice President 22,113 0 17 Mar, 2026
Sherry S Barrat 18,073 0 15 May, 2025
Ralph J Nicoletti 17,164 0 15 May, 2025
Susan E Pietrucha Chief Human Resources Officer 16,397 0 17 Mar, 2026
David John Coldman 15,234 0 15 May, 2025
Christopher C. Miskel 9,308 0 02 Mar, 2026
Teresa Hillary Clarke 4,442 0 15 May, 2025
Mark H. Bloom Vice President 3,743 0 17 Mar, 2026
Joel D Cavaness Vice President 0 2,023 19 Mar, 2024
Deborah H Caplan 1,540 0 15 May, 2025
Richard De Winton Wilkin Harries 1,303 0 25 Jul, 2025
Michael Robert Pesch President 0 59 20 Jun, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
15 Mar, 2026 William F Ziebell Common Stock (restricted) A 6,930 $0.00 6,930 D A
16 Mar, 2026 Michael Robert Pesch Common Stock D 525 $207.93 44,379 D F
15 Mar, 2026 William F Ziebell Common Stock (restricted) D 6,930 $0.00 0 D M
15 Mar, 2026 William F Ziebell Common Stock A 6,930 $0.00 51,006 D M
15 Mar, 2026 William F Ziebell Common Stock D 2,321 $207.93 48,685 D F
15 Mar, 2026 Mark H. Bloom Common Stock (restricted) A 3,506 $0.00 3,506 D A
15 Mar, 2026 Susan E Pietrucha Common Stock (restricted) A 6,612 $0.00 6,612 D A
15 Mar, 2026 Christopher E Mead Common Stock (restricted) A 5,258 $0.00 5,258 D A
15 Mar, 2026 Thomas Joseph Gallagher Common Stock (restricted) A 9,560 $0.00 9,560 D A
13 Mar, 2026 Douglas K Howell Common Stock A 14,100 $79.59 110,131 D M
15 Mar, 2026 Vishal Jain Common Stock (restricted) A 6,214 $0.00 6,214 D A
15 Mar, 2026 J Patrick Jr Gallagher Common Stock (restricted) A 45,048 $0.00 45,048 D A
15 Mar, 2026 Patrick Murphy Gallagher Common Stock (restricted) A 4,620 $0.00 4,620 D A
15 Mar, 2026 Scott R Hudson Common Stock (restricted) A 7,170 $0.00 7,170 D A
15 Mar, 2026 Walter D. Bay Common Stock (restricted) A 7,090 $0.00 7,090 D A
15 Mar, 2026 Richard C Cary Common Stock D 181 $207.93 50,487 D F
15 Mar, 2026 Christopher E Mead Common Stock (restricted) D 5,258 $0.00 0 D M
15 Mar, 2026 Thomas Joseph Gallagher Common Stock (restricted) D 9,560 $0.00 0 D M
15 Mar, 2026 Walter D. Bay Common Stock (restricted) D 7,090 $0.00 0 D M
15 Mar, 2026 Patrick Murphy Gallagher Common Stock (restricted) D 4,620 $0.00 0 D M