# Filing Detail

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0000354190-26-000102
Filing Date
2026-03-23
Accepted
2026-03-23 16:38:55
Documents
3

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | DEFA14A | a2026ajgna.htm | DEFA14A | 10290
2 |  | na1.jpg | GRAPHIC | 1210904
3 |  | na2.jpg | GRAPHIC | 731020
| Complete submission text file | 0000354190-26-000102.txt |  | 2685098

Mailing Address 2850 GOLF ROAD ROLLING MEADOWS IL 60008-4050
Business Address 2850 GOLF ROAD ROLLING MEADOWS IL 60008-4050 630-773-3800
Arthur J. Gallagher & Co. (Filer) CIK: 0000354190 (see all company filings)

EIN.: 362151613 | State of Incorp.: DE | Fiscal Year End: 1231
Type: DEFA14A | Act: 34 | File No.: 001-09761 | Film No.: 26782914
SIC: 6411 Insurance Agents, Brokers & Service
(CF Office: 02 Finance)