08/04/2025 5:36 PM | Arthur J. Gallagher & Co. (Issuer) HOWELL DOUGLAS K (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
08/04/2025 5:49 PM | Arthur J. Gallagher & Co. (Issuer) GALLAGHER THOMAS JOSEPH (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
08/01/2025 1:43 PM | Arthur J. Gallagher & Co. (Filer)
| Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
07/31/2025 4:07 PM | Arthur J. Gallagher & Co. (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
07/25/2025 6:18 PM | Arthur J. Gallagher & Co. (Issuer) Harries Richard de Winton Wilkin (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
07/16/2025 6:02 PM | Arthur J. Gallagher & Co. (Subject) BlackRock, Inc. (Filed by)
| Form SCHEDULE 13G/A | |
06/20/2025 3:15 PM | Arthur J. Gallagher & Co. (Issuer) Pesch Michael Robert (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/18/2025 2:44 PM | Arthur J. Gallagher & Co. (Subject) Matrix Trust Co (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
06/11/2025 4:19 PM | Arthur J. Gallagher & Co. (Issuer) Gallagher Patrick Murphy (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/11/2025 4:11 PM | Arthur J. Gallagher & Co. (Issuer) GALLAGHER J PATRICK JR (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/04/2025 4:59 PM | Arthur J. Gallagher & Co. (Issuer) Miskel Christopher C. (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
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06/04/2025 5:03 PM | Arthur J. Gallagher & Co. (Issuer) JOHNSON DAVID S (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/29/2025 5:53 PM | Arthur J. Gallagher & Co. (Issuer) GALLAGHER J PATRICK JR (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/22/2025 5:16 PM | Arthur J. Gallagher & Co. (Issuer) Hudson Scott R (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/21/2025 3:24 PM | Arthur J. Gallagher & Co. (Subject) Hudson Scott R (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
05/20/2025 4:32 PM | Arthur J. Gallagher & Co. (Issuer) Pietrucha Susan E (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/20/2025 4:10 PM | Arthur J. Gallagher & Co. (Issuer) JOHNSON DAVID S (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/20/2025 4:17 PM | Arthur J. Gallagher & Co. (Issuer) GALLAGHER THOMAS JOSEPH (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/19/2025 12:26 PM | Arthur J. Gallagher & Co. (Subject) Pietrucha Susan E (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
05/16/2025 4:16 PM | Arthur J. Gallagher & Co. (Issuer) Gallagher Patrick Murphy (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/15/2025 5:49 PM | Arthur J. Gallagher & Co. (Issuer) Caplan Deborah H (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/15/2025 5:57 PM | Arthur J. Gallagher & Co. (Issuer) ROSENTHAL NORMAN L (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/15/2025 5:19 PM | Arthur J. Gallagher & Co. (Issuer) Coldman David John (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/15/2025 5:26 PM | Arthur J. Gallagher & Co. (Issuer) Harries Richard de Winton Wilkin (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/15/2025 5:39 PM | Arthur J. Gallagher & Co. (Issuer) JOHNSON DAVID S (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/15/2025 5:43 PM | Arthur J. Gallagher & Co. (Issuer) Miskel Christopher C. (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/15/2025 5:46 PM | Arthur J. Gallagher & Co. (Issuer) NICOLETTI RALPH J (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/15/2025 4:54 PM | Arthur J. Gallagher & Co. (Issuer) BARRAT SHERRY S (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/15/2025 5:12 PM | Arthur J. Gallagher & Co. (Issuer) Clarke Teresa Hillary (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/07/2025 12:17 PM | Arthur J. Gallagher & Co. (Subject) CARY RICHARD C (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
05/01/2025 3:25 PM | Arthur J. Gallagher & Co. (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
04/22/2025 11:01 AM | Arthur J. Gallagher & Co. (Subject) JPMORGAN CHASE & CO (Filed by) JPMORGAN CHASE & CO (Filed by)
| Form SCHEDULE 13G/A | |
04/04/2025 3:45 PM | Arthur J. Gallagher & Co. (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
04/02/2025 8:45 PM | Arthur J. Gallagher & Co. (Issuer) GALLAGHER THOMAS JOSEPH (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
04/02/2025 8:47 PM | Arthur J. Gallagher & Co. (Issuer) GALLAGHER J PATRICK JR (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
04/02/2025 8:33 PM | Arthur J. Gallagher & Co. (Issuer) CARY RICHARD C (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
04/02/2025 8:37 PM | Arthur J. Gallagher & Co. (Issuer) Jain Vishal (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
04/02/2025 8:40 PM | Arthur J. Gallagher & Co. (Issuer) Bay Walter D. (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
04/02/2025 8:41 PM | Arthur J. Gallagher & Co. (Issuer) Hudson Scott R (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
04/02/2025 8:43 PM | Arthur J. Gallagher & Co. (Issuer) HOWELL DOUGLAS K (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
04/02/2025 8:28 PM | Arthur J. Gallagher & Co. (Issuer) Ziebell William F (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
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03/24/2025 1:38 PM | Arthur J. Gallagher & Co. (Filer)
| Form DEF 14A | |
03/24/2025 1:40 PM | Arthur J. Gallagher & Co. (Filer)
| Form DEFA14A | |
03/24/2025 1:41 PM | Arthur J. Gallagher & Co. (Filer)
| Form ARS | |
03/21/2025 5:59 PM | Arthur J. Gallagher & Co. (Issuer) Hudson Scott R (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/21/2025 6:07 PM | Arthur J. Gallagher & Co. (Issuer) GALLAGHER J PATRICK JR (Reporting)
| Form 4/A | |
03/21/2025 6:10 PM | Arthur J. Gallagher & Co. (Issuer) Gallagher Patrick Murphy (Reporting)
| Form 4/A | |
03/21/2025 2:00 PM | Arthur J. Gallagher & Co. (Subject) Hudson Scott R (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
03/20/2025 7:45 AM | Arthur J. Gallagher & Co. (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
03/18/2025 5:35 PM | Arthur J. Gallagher & Co. (Issuer) Ziebell William F (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/18/2025 5:24 PM | Arthur J. Gallagher & Co. (Issuer) GALLAGHER THOMAS JOSEPH (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/18/2025 5:27 PM | Arthur J. Gallagher & Co. (Issuer) GALLAGHER J PATRICK JR (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/18/2025 5:29 PM | Arthur J. Gallagher & Co. (Issuer) Bay Walter D. (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/18/2025 5:31 PM | Arthur J. Gallagher & Co. (Issuer) Jain Vishal (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/18/2025 5:33 PM | Arthur J. Gallagher & Co. (Issuer) Pietrucha Susan E (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/18/2025 5:15 PM | Arthur J. Gallagher & Co. (Issuer) Hudson Scott R (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/18/2025 5:18 PM | Arthur J. Gallagher & Co. (Issuer) Mead Christopher E (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/18/2025 5:22 PM | Arthur J. Gallagher & Co. (Issuer) HOWELL DOUGLAS K (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/17/2025 2:09 PM | Arthur J. Gallagher & Co. (Subject) Matrix Trust Co (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
03/14/2025 6:45 PM | Arthur J. Gallagher & Co. (Issuer) CARY RICHARD C (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/14/2025 6:48 PM | Arthur J. Gallagher & Co. (Issuer) Jain Vishal (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/14/2025 6:43 PM | Arthur J. Gallagher & Co. (Issuer) Gallagher Patrick Murphy (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/14/2025 6:34 PM | Arthur J. Gallagher & Co. (Issuer) Pietrucha Susan E (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/14/2025 6:36 PM | Arthur J. Gallagher & Co. (Issuer) Pesch Michael Robert (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/14/2025 6:37 PM | Arthur J. Gallagher & Co. (Issuer) HOWELL DOUGLAS K (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/14/2025 6:39 PM | Arthur J. Gallagher & Co. (Issuer) Mead Christopher E (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/14/2025 6:41 PM | Arthur J. Gallagher & Co. (Issuer) Bay Walter D. (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/11/2025 7:50 PM | Arthur J. Gallagher & Co. (Issuer) Ziebell William F (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/11/2025 7:40 PM | Arthur J. Gallagher & Co. (Issuer) Bay Walter D. (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/11/2025 7:42 PM | Arthur J. Gallagher & Co. (Issuer) GALLAGHER THOMAS JOSEPH (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/11/2025 7:44 PM | Arthur J. Gallagher & Co. (Issuer) Hudson Scott R (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/11/2025 7:46 PM | Arthur J. Gallagher & Co. (Issuer) Jain Vishal (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/11/2025 7:48 PM | Arthur J. Gallagher & Co. (Issuer) Pietrucha Susan E (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/11/2025 7:28 PM | Arthur J. Gallagher & Co. (Issuer) Pesch Michael Robert (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/11/2025 7:30 PM | Arthur J. Gallagher & Co. (Issuer) CARY RICHARD C (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/11/2025 7:33 PM | Arthur J. Gallagher & Co. (Issuer) Bloom Mark H. (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/11/2025 7:35 PM | Arthur J. Gallagher & Co. (Issuer) Mead Christopher E (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/11/2025 7:37 PM | Arthur J. Gallagher & Co. (Issuer) HOWELL DOUGLAS K (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/11/2025 7:25 PM | Arthur J. Gallagher & Co. (Issuer) Gallagher Patrick Murphy (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/11/2025 7:16 PM | Arthur J. Gallagher & Co. (Issuer) GALLAGHER J PATRICK JR (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/05/2025 8:19 PM | Arthur J. Gallagher & Co. (Issuer) GALLAGHER THOMAS JOSEPH (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/05/2025 8:22 PM | Arthur J. Gallagher & Co. (Issuer) Bay Walter D. (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/05/2025 8:25 PM | Arthur J. Gallagher & Co. (Issuer) Bloom Mark H. (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/05/2025 8:09 PM | Arthur J. Gallagher & Co. (Issuer) GALLAGHER J PATRICK JR (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/05/2025 8:14 PM | Arthur J. Gallagher & Co. (Issuer) Hudson Scott R (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/05/2025 8:16 PM | Arthur J. Gallagher & Co. (Issuer) Gallagher Patrick Murphy (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/05/2025 7:57 PM | Arthur J. Gallagher & Co. (Issuer) Mead Christopher E (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/05/2025 7:59 PM | Arthur J. Gallagher & Co. (Issuer) Pesch Michael Robert (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/05/2025 8:01 PM | Arthur J. Gallagher & Co. (Issuer) Jain Vishal (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/05/2025 8:06 PM | Arthur J. Gallagher & Co. (Issuer) HOWELL DOUGLAS K (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/05/2025 7:50 PM | Arthur J. Gallagher & Co. (Issuer) Arthur J. Gallagher & Co. (Issuer) Ziebell William F (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
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03/05/2025 7:31 PM | Arthur J. Gallagher & Co. (Issuer) Pietrucha Susan E (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/03/2025 5:46 PM | Arthur J. Gallagher & Co. (Issuer) Miskel Christopher C. (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/28/2025 4:44 PM | Arthur J. Gallagher & Co. (Issuer) Gallagher Patrick Murphy (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/27/2025 3:30 PM | Arthur J. Gallagher & Co. (Subject) Gallagher Patrick Murphy (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
02/19/2025 4:19 PM | Arthur J. Gallagher & Co. (Issuer) Jain Vishal (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/19/2025 4:23 PM | Arthur J. Gallagher & Co. (Issuer) Ziebell William F (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/18/2025 5:04 AM | Arthur J. Gallagher & Co. (Filer)
| Form 10-K Annual report pursuant to Section 13 or 15(d) | |
02/14/2025 3:42 PM | Arthur J. Gallagher & Co. (Filer)
| Form 13F-NT | |
02/14/2025 3:16 PM | Arthur J. Gallagher & Co. (Issuer) GALLAGHER J PATRICK JR (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |