Insider Transactions last 24 months for Arthur J. Gallagher & Co. - NYSE: AJG
Transactions
All
Buy
Sell
Option Exercise
Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Howell Douglas K VP & Chief Financial Officer 09/22/2025 DS Direct COM 2,100 $299.84 $629,659.80 100,777 Howell Douglas K VP & Chief Financial Officer 09/22/2025 DS Direct COM 5,900 $299.44 $1,766,684.20 102,877 Howell Douglas K VP & Chief Financial Officer 09/19/2025 DS Direct COM 3,400 $299.71 $1,019,007.20 108,777 Howell Douglas K VP & Chief Financial Officer 09/19/2025 DS Direct COM 2,600 $298.69 $776,583.60 112,177 Pesch Michael Robert Vice President 09/10/2025 DG Direct COM 338 $0.00 $0.00 37,849 Howell Douglas K VP & Chief Financial Officer 09/09/2025 DS Direct COM 3,000 $299.78 $899,334.00 114,777 Hudson Scott R Vice President 09/08/2025 DS Direct COM 7,600 $297.51 $2,261,101.08 85,920 Hudson Scott R Vice President 09/08/2025 AM Direct COM 7,600 $79.59 $604,884.00 93,520 Hudson Scott R Vice President 09/08/2025 DS Direct COM 5,255 $297.73 $1,564,586.92 85,920 Miskel Christopher C. Director 09/01/2025 AA Direct COM 132 $302.75 $39,999.94 8,948 Johnson David S Director 09/01/2025 AA Direct COM 161 $302.75 $48,750.02 45,625 Gallagher Thomas Joseph President 08/21/2025 AG Indirect COM 30,000 $0.00 $0.00 96,709 Gallagher Thomas Joseph President 08/21/2025 DG Indirect COM 30,000 $0.00 $0.00 32,428 Cary Richard C Controller, CAO 08/21/2025 DS Direct COM 4,000 $306.00 $1,224,000.00 56,668 Gallagher Thomas Joseph President 08/20/2025 AG Indirect COM 375 $0.00 $0.00 119,175 Gallagher Thomas Joseph President 08/20/2025 DG Direct COM 875 $0.00 $0.00 308,046 Howell Douglas K VP & Chief Financial Officer 07/31/2025 AM Direct COM 35,739 $0.00 $0.00 117,777 Gallagher Thomas Joseph President 07/31/2025 AM Direct COM 1,376 $0.00 $0.00 308,921 Harries Richard De Winton Wilkin Director 07/24/2025 DF Direct COM 56 $310.79 $17,404.24 1,303 Pesch Michael Robert President 06/18/2025 AP Indirect COM 59 $318.37 $18,783.83 59 Gallagher J Patrick Jr CEO 06/10/2025 DG Indirect COM 29,334 $0.00 $0.00 66,703 Gallagher Patrick Murphy Chief Operating Officer 06/10/2025 AG Direct COM 7,333 $0.00 $0.00 31,430 Gallagher J Patrick Jr CEO 06/09/2025 AG Indirect COM 400 $0.00 $0.00 219,355 Gallagher J Patrick Jr CEO 06/09/2025 DG Indirect COM 900 $0.00 $0.00 271,525 Gallagher J Patrick Jr CEO 06/09/2025 DG Direct COM 900 $0.00 $0.00 79,855
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Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Miskel Christopher C. Director 09/01/2025 AA Direct COM 132 $302.75 $39,999.94 8,948 Johnson David S Director 09/01/2025 AA Direct COM 161 $302.75 $48,750.02 45,625 Gallagher Thomas Joseph President 08/21/2025 AG Indirect COM 30,000 $0.00 $0.00 96,709 Gallagher Thomas Joseph President 08/20/2025 AG Indirect COM 375 $0.00 $0.00 119,175 Pesch Michael Robert President 06/18/2025 AP Indirect COM 59 $318.37 $18,783.83 59 Gallagher Patrick Murphy Chief Operating Officer 06/10/2025 AG Direct COM 7,333 $0.00 $0.00 31,430 Gallagher J Patrick Jr CEO 06/09/2025 AG Indirect COM 400 $0.00 $0.00 219,355 Gallagher Patrick Murphy Chief Operating Officer 06/09/2025 AG Indirect COM 100 $0.00 $0.00 53,112 Gallagher Patrick Murphy Chief Operating Officer 06/09/2025 AG Indirect COM 100 $0.00 $0.00 54,959 Gallagher Patrick Murphy Chief Operating Officer 06/09/2025 AG Indirect COM 400 $0.00 $0.00 20,432 Miskel Christopher C. Director 06/02/2025 AA Direct COM 115 $347.44 $40,000.07 8,799 Johnson David S Director 06/02/2025 AA Direct COM 140 $347.44 $48,750.00 45,463 Gallagher Patrick Murphy Chief Operating Officer 05/14/2025 AG Indirect COM 440 $0.00 $0.00 10,560 Barrat Sherry S Director 05/13/2025 AA Direct COM 690 $0.00 $0.00 18,073 Clarke Teresa Hillary Director 05/13/2025 AA Direct COM 690 $0.00 $0.00 4,442 Coldman David John Director 05/13/2025 AA Direct COM 690 $0.00 $0.00 15,234 Harries Richard De Winton Wilkin Director 05/13/2025 AA Direct COM 690 $0.00 $0.00 1,359 Johnson David S Director 05/13/2025 AA Direct COM 690 $0.00 $0.00 46,323 Miskel Christopher C. Director 05/13/2025 AA Direct COM 690 $0.00 $0.00 6,707 Nicoletti Ralph J Director 05/13/2025 AA Direct COM 690 $0.00 $0.00 17,164 Caplan Deborah H Director 05/13/2025 AA Direct COM 690 $0.00 $0.00 1,540 Rosenthal Norman L Director 05/13/2025 AA Direct COM 690 $0.00 $0.00 41,876 Gallagher Patrick Murphy Chief Operating Officer 03/11/2025 AG Direct COM 20,133 $0.00 $0.00 63,078 Gallagher J Patrick Jr CEO 03/07/2025 AG Indirect COM 75,205 $0.00 $0.00 346,730 Gallagher Patrick Murphy Chief Operating Officer 03/07/2025 AG Indirect COM 18,801 $0.00 $0.00 99,692
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Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Howell Douglas K VP & Chief Financial Officer 09/22/2025 DS Direct COM 2,100 $299.84 $629,659.80 100,777 Howell Douglas K VP & Chief Financial Officer 09/22/2025 DS Direct COM 5,900 $299.44 $1,766,684.20 102,877 Howell Douglas K VP & Chief Financial Officer 09/19/2025 DS Direct COM 3,400 $299.71 $1,019,007.20 108,777 Howell Douglas K VP & Chief Financial Officer 09/19/2025 DS Direct COM 2,600 $298.69 $776,583.60 112,177 Pesch Michael Robert Vice President 09/10/2025 DG Direct COM 338 $0.00 $0.00 37,849 Howell Douglas K VP & Chief Financial Officer 09/09/2025 DS Direct COM 3,000 $299.78 $899,334.00 114,777 Hudson Scott R Vice President 09/08/2025 DS Direct COM 7,600 $297.51 $2,261,101.08 85,920 Hudson Scott R Vice President 09/08/2025 DS Direct COM 5,255 $297.73 $1,564,586.92 85,920 Gallagher Thomas Joseph President 08/21/2025 DG Indirect COM 30,000 $0.00 $0.00 32,428 Cary Richard C Controller, CAO 08/21/2025 DS Direct COM 4,000 $306.00 $1,224,000.00 56,668 Gallagher Thomas Joseph President 08/20/2025 DG Direct COM 875 $0.00 $0.00 308,046 Harries Richard De Winton Wilkin Director 07/24/2025 DF Direct COM 56 $310.79 $17,404.24 1,303 Gallagher J Patrick Jr CEO 06/10/2025 DG Indirect COM 29,334 $0.00 $0.00 66,703 Gallagher J Patrick Jr CEO 06/09/2025 DG Indirect COM 900 $0.00 $0.00 271,525 Gallagher J Patrick Jr CEO 06/09/2025 DG Direct COM 900 $0.00 $0.00 79,855 Gallagher J Patrick Jr CEO 05/28/2025 DG Indirect COM 8,825 $0.00 $0.00 272,425 Hudson Scott R Vice President 05/21/2025 DS Direct COM 10,500 $337.17 $3,540,274.50 91,175 Pietrucha Susan E Chief Human Resources Officer 05/19/2025 DS Direct COM 13,500 $344.13 $4,645,728.00 11,941 Johnson David S Director 05/16/2025 DS Direct COM 1,000 $342.04 $342,038.00 45,323 Gallagher Thomas Joseph President 05/16/2025 DG Direct COM 3,000 $0.00 $0.00 307,545 Gallagher Patrick Murphy Chief Operating Officer 05/14/2025 DG Direct COM 440 $0.00 $0.00 24,097 Cary Richard C Controller, CAO 05/07/2025 DS Direct COM 12,000 $339.51 $4,074,120.00 59,029 Ziebell William F VICE PRESIDENT 03/31/2025 DF Direct COM 70 $345.24 $24,168.18 43,997 Cary Richard C Controller, CAO 03/31/2025 DF Direct COM 277 $345.24 $95,462.66 71,029 Jain Vishal VICE PRESIDENT 03/31/2025 DF Direct COM 70 $345.24 $24,168.18 57,723
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Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Hudson Scott R Vice President 09/08/2025 AM Direct COM 7,600 $79.59 $604,884.00 93,520 Howell Douglas K VP & Chief Financial Officer 07/31/2025 AM Direct COM 35,739 $0.00 $0.00 117,777 Gallagher Thomas Joseph President 07/31/2025 AM Direct COM 1,376 $0.00 $0.00 308,921 Hudson Scott R Vice President 05/21/2025 AM Direct COM 10,500 $79.59 $835,695.00 101,675 Pietrucha Susan E Chief Human Resources Officer 05/19/2025 AM Direct COM 13,500 $79.59 $1,074,465.00 25,441 Ziebell William F VICE PRESIDENT 03/31/2025 AM Direct COM 70 $0.00 $0.00 44,067 Cary Richard C Controller, CAO 03/31/2025 AM Direct COM 622 $0.00 $0.00 71,305 Jain Vishal VICE PRESIDENT 03/31/2025 AM Direct COM 70 $0.00 $0.00 57,793 Bay Walter D. General Counsel 03/31/2025 AM Direct COM 79 $0.00 $0.00 79,549 Hudson Scott R Vice President 03/31/2025 AM Direct COM 2,074 $0.00 $0.00 92,094 Howell Douglas K VP & Chief Financial Officer 03/31/2025 AM Direct COM 105 $0.00 $0.00 82,052 Gallagher Thomas Joseph President 03/31/2025 AM Direct COM 105 $0.00 $0.00 340,650 Gallagher J Patrick Jr CEO 03/31/2025 AM Direct COM 7,052 $0.00 $0.00 122,848 Hudson Scott R Vice President 03/15/2025 AM Direct COM 7,230 $0.00 $0.00 100,960 Mead Christopher E VICE PRESIDENT 03/15/2025 AM Direct COM 5,300 $0.00 $0.00 20,795 Howell Douglas K VP & Chief Financial Officer 03/15/2025 AM Direct COM 9,160 $0.00 $0.00 85,620 Howell Douglas K VP & Chief Financial Officer 03/15/2025 AM Direct COM 900 $70.74 $63,666.00 76,863 Gallagher Thomas Joseph President 03/15/2025 AM Direct COM 9,640 $0.00 $0.00 344,718 Gallagher J Patrick Jr CEO 03/15/2025 AM Direct COM 45,100 $0.00 $0.00 135,317 Bay Walter D. General Counsel 03/15/2025 AM Direct COM 7,180 $0.00 $0.00 82,657 Jain Vishal VICE PRESIDENT 03/15/2025 AM Direct COM 6,260 $0.00 $0.00 60,433 Pietrucha Susan E Chief Human Resources Officer 03/15/2025 AM Direct COM 6,220 $0.00 $0.00 14,468 Ziebell William F VICE PRESIDENT 03/15/2025 AM Direct COM 6,990 $0.00 $0.00 47,023 Pietrucha Susan E Chief Human Resources Officer 03/12/2025 AM Direct COM 1,960 $0.00 $0.00 8,778 Pesch Michael Robert President 03/12/2025 AM Direct COM 1,670 $0.00 $0.00 34,937
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Transaction Type Key A = Acquired, D = Disposed A = Grant, award or other acquisition pursuant to Rule 16b-3(d)
C = Conversion of derivative security |
D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) |
E = Expiration of short derivative position |
F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. |
G = Gift |
H = Expiration (or cancellation) of long derivative position with value received |
I = Discretionary transaction in accordance with Rule 16b-3(f) |
J = Other |
L = Small acquisition under Rule 16a-6 |
M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 |
O = Exercise of out-of-the-money derivative security |
P = Open market or private purchase |
S = Open market or private sale |
U = Disposition pursuant to a tender of shares in a change of control transaction |
W = Acquisition or disposition by will or the laws of descent and distribution |
X = Exercise of in-the-money or at-the-money derivative security |
Z = Deposit into or withdrawal from voting trust
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