Arthur J. Gallagher & Co. SEC Filings https://investor.ajg.com/generated by Q4Fri, 03 Apr 2026 16:33:53 -0400Copyright Q4 Inc. All rights reserved.Arthur J. Gallagher & Co. - DEFA14A - Additional Proxy Soliciting Materials (definitive)19320658https://investor.ajg.com/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19320658Fri, 03 Apr 2026 00:00:00 -0400Arthur J. Gallagher & Co. - 4 - Statement of Changes in Beneficial Ownership19317051https://investor.ajg.com/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19317051Thu, 02 Apr 2026 00:00:00 -0400Arthur J. Gallagher & Co. - 4 - Statement of Changes in Beneficial Ownership19316861https://investor.ajg.com/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19316861Thu, 02 Apr 2026 00:00:00 -0400Arthur J. Gallagher & Co. - 4 - Statement of Changes in Beneficial Ownership19316754https://investor.ajg.com/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19316754Thu, 02 Apr 2026 00:00:00 -0400Arthur J. Gallagher & Co. - 4 - Statement of Changes in Beneficial Ownership19316638https://investor.ajg.com/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19316638Thu, 02 Apr 2026 00:00:00 -0400Arthur J. Gallagher & Co. - 4 - Statement of Changes in Beneficial Ownership19316529https://investor.ajg.com/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19316529Thu, 02 Apr 2026 00:00:00 -0400Arthur J. Gallagher & Co. - 4 - Statement of Changes in Beneficial Ownership19312460https://investor.ajg.com/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19312460Wed, 01 Apr 2026 00:00:00 -0400Arthur J. Gallagher & Co. - 4 - Statement of Changes in Beneficial Ownership19312437https://investor.ajg.com/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19312437Wed, 01 Apr 2026 00:00:00 -0400Arthur J. Gallagher & Co. - 4 - Statement of Changes in Beneficial Ownership19312429https://investor.ajg.com/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19312429Wed, 01 Apr 2026 00:00:00 -0400Arthur J. Gallagher & Co. - SC 13G/A - Amended Statement of Ownership19286782https://investor.ajg.com/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19286782Thu, 26 Mar 2026 00:00:00 -0400Arthur J. Gallagher & Co. - 4 - Statement of Changes in Beneficial Ownership19280164https://investor.ajg.com/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19280164Tue, 24 Mar 2026 00:00:00 -0400Arthur J. Gallagher & Co. - 4 - Statement of Changes in Beneficial Ownership19280059https://investor.ajg.com/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19280059Tue, 24 Mar 2026 00:00:00 -0400Arthur J. Gallagher & Co. - ARS - Annual Report to Security Holders19276023https://investor.ajg.com/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19276023Mon, 23 Mar 2026 00:00:00 -0400Arthur J. Gallagher & Co. - DEF 14A - Proxy Statement (definitive)19275940https://investor.ajg.com/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19275940Mon, 23 Mar 2026 00:00:00 -0400Arthur J. Gallagher & Co. - DEFA14A - Additional Proxy Soliciting Materials (definitive)19275993https://investor.ajg.com/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19275993Mon, 23 Mar 2026 00:00:00 -0400Arthur J. Gallagher & Co. - 4 - Statement of Changes in Beneficial Ownership19266367https://investor.ajg.com/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19266367Wed, 18 Mar 2026 00:00:00 -0400Arthur J. Gallagher & Co. - 4 - Statement of Changes in Beneficial Ownership19266315https://investor.ajg.com/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19266315Wed, 18 Mar 2026 00:00:00 -0400Arthur J. Gallagher & Co. - 144 - Report of proposed sale of securities19262656https://investor.ajg.com/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19262656Wed, 18 Mar 2026 00:00:00 -0400Arthur J. Gallagher & Co. - 4 - Statement of Changes in Beneficial Ownership19259447https://investor.ajg.com/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19259447Tue, 17 Mar 2026 00:00:00 -0400Arthur J. Gallagher & Co. - 4 - Statement of Changes in Beneficial Ownership19259450https://investor.ajg.com/financials/sec-filings/sec-filings-details/default.aspx?FilingId=19259450Tue, 17 Mar 2026 00:00:00 -0400