144
0001784277
XXXXXXXX
LIVE
0000354190
Arthur J. Gallagher & Co.
001-09761
2850 GOLF ROAD
ROLLING MEADOWS
IL
60008-4050
630-773-3800
Matrix Trust Co
Trustee for the Arthur J Gallagher Rabbi Trust
Common Stock
Pershing LLC
One Pershing Plaza
Jersey City
NJ
07399
15000
4371900.00
256400000
09/17/2025
Nasdaq Stock Market
Common Stock
01/01/2012
Open Market Purchase
Open Market
N
15000
01/01/2012
Cash at time of purchase
N
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
06/18/2025
40
12674.70
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
06/27/2025
18
5733.31
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
07/01/2025
93
29616.55
Matrix Trust Company
2800 North Central Ave
Suite 900
Pho
AZ
85004
Common Stock
07/07/2025
4543
1432693.20
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
07/09/2025
15
4724.93
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
07/16/2025
1377
421301.97
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
07/22/2025
682
212079.83
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
07/24/2025
114
35364.79
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
08/04/2025
3353
949515.62
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
08/05/2025
27
7721.12
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
08/13/2025
1050
309593.34
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
08/14/2025
535
155617.59
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
08/19/2025
300
89200.26
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
08/22/2025
57
17348.95
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
08/26/2025
32
9552.04
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
09/02/2025
388
117066.39
Matrix Trust Company
2800 North Central Ave
Suite 900
Phoenix
AZ
85004
Common Stock
09/03/2025
605
183410.59
It is anticipated that sales covered by this form will be made within the period beginning 9/18/2025 and ending 12/17/2025.
09/17/2025
Eric Simpson