List of insiders holdings for Arthur J. Gallagher & Co.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | GALLAGHER ROBERT E Chairman | 2006-03-16 15:03:44 | 559,870 2,076,048 | 2,635,918 | Form 4 |
| 2 | GALLAGHER J PATRICK JR CEO | 2026-09-10 18:36:00 | 731,555 773,398 | 1,504,953 | Form 4 |
| 3 | GALLAGHER THOMAS JOSEPH President | 2026-07-06 20:18:21 | 501,823 311,186 | 813,010 | Form 4 |
| 4 | HOWELL DOUGLAS K VP & Chief Financial Officer | 2026-06-24 18:45:06 | 630,387 3,656 | 634,043 | Form 4 |
| 5 | BRANIFF JAMES J III Vice President | 2003-11-26 17:23:27 | 532,408 32,884 | 565,292 | Form 4 |
| 6 | Gallagher Patrick Murphy Chief Operating Officer | 2026-09-10 18:45:35 | 104,314 289,251 | 393,566 | Form 4 |
| 7 | BROOKER T KIMBALL Director | 2010-01-29 11:19:44 | 328,137 15,000 | 343,137 | Form 4 |
| 8 | DURKIN JAMES W JR Vice President | 2018-01-30 17:22:49 | 303,317 0 | 303,317 | Form 4 |
| 9 | Cavaness Joel D Vice President | 2024-05-01 19:32:34 | 255,198 2,390 | 257,588 | Form 4 |
| 10 | GAULT JAMES S Vice President | 2017-12-04 17:04:40 | 184,477 48,708 | 233,185 | Form 4 |
| 11 | Pietrucha Susan E Chief Human Resources Officer | 2026-03-17 21:56:46 | 221,494 367.31 | 221,861 | Form 4 |
| 12 | Ziebell William F VICE PRESIDENT | 2026-04-02 16:30:20 | 208,797 491.14 | 209,289 | Form 4 |
| 13 | Jain Vishal VICE PRESIDENT | 2026-07-06 20:21:44 | 193,216 491.11 | 193,708 | Form 4 |
| 14 | Hudson Scott R Vice President | 2026-09-04 17:25:44 | 190,974 411.47 | 191,385 | Form 4 |
| 15 | Bay Walter D. General Counsel | 2026-08-26 19:34:18 | 183,301 491.13 | 183,792 | Form 4 |
| 16 | MCGURN DAVID E JR Vice President | 2016-02-09 11:22:04 | 15,466 143,533 | 158,999 | Form 5/A |
| 17 | ROSENGREN JOHN C VP, Gen. Counsel & Secretary | 2007-05-17 18:20:52 | 146,582 11,413 | 157,995 | Form 4 |
| 18 | Pesch Michael Robert Vice President | 2026-07-06 20:12:26 | 137,178 13,055 | 150,233 | Form 4 |
| 19 | COUGHLAN GARY P Director | 2007-05-17 18:41:47 | 141,000 0 | 141,000 | Form 4 |
| 20 | Mead Christopher E VICE PRESIDENT | 2026-08-20 19:12:09 | 108,869 491.1 | 109,361 | Form 4 |
| 21 | MCKENNA RICHARD J Vice President | 2009-08-12 13:20:18 | 14,132 69,375 | 83,507 | Form 4 |
| 22 | CARY RICHARD C Controller, CAO | 2026-06-02 18:15:53 | 56,404 418.7 | 56,822 | Form 4 |
| 23 | BAX WILLIAM L Director | 2024-05-09 21:00:52 | 47,904 0 | 47,904 | Form 4 |
| 24 | JOHNSON DAVID S Director | 2026-06-02 18:13:47 | 47,387 0 | 47,387 | Form 4 |
| 25 | Bloom Mark H. Vice President | 2026-08-18 19:06:50 | 46,964 193.26 | 47,157 | Form 4 |
| 26 | ROSENTHAL NORMAN L Director | 2026-05-13 21:37:24 | 43,327 0 | 43,327 | Form 4 |
| 27 | WIMMER JAMES R Director | 2014-05-22 15:13:22 | 27,743 15,000 | 42,743 | Form 4 |
| 28 | HAND ELBERT O Director | 2018-05-17 18:49:38 | 33,200 0 | 33,200 | Form 4 |
| 29 | McCurdy Kay W Director | 2023-05-11 19:07:18 | 30,621 0 | 30,621 | Form 4 |
| 30 | GORDON ILENE S Director | 2013-05-09 12:26:08 | 21,745 0 | 21,745 | Form 4 |
| 31 | BRINKERHOFF ELIZABETH Vice President | 2006-06-15 13:04:31 | 20,996 0 | 20,996 | Form 4 |
| 32 | NICOLETTI RALPH J Director | 2026-05-13 21:39:51 | 18,414 0 | 18,414 | Form 4 |
| 33 | BARRAT SHERRY S Director | 2025-05-15 17:54:04 | 18,073 0 | 18,073 | Form 4 |
| 34 | Coldman David John Director | 2026-05-13 21:50:26 | 16,344 0 | 16,344 | Form 4 |
| 35 | Miskel Christopher C. Director | 2026-09-02 17:54:50 | 10,826 0 | 10,826 | Form 4 |
| 36 | ELSBERG NICHOLAS M Vice President | 2005-07-25 13:13:26 | 10,000 0 | 10,000 | Form 4 |
| 37 | English Frank E. Jr. Director | 2020-11-04 17:16:03 | 7,360 0 | 7,360 | Form 4 |
| 38 | Clarke Teresa Hillary Director | 2026-05-13 21:52:15 | 5,567 0 | 5,567 | Form 4 |
| 39 | Caplan Deborah H Director | 2026-05-13 21:54:11 | 2,650 0 | 2,650 | Form 4 |
| 40 | Harries Richard de Winton Wilkin Director | 2026-05-13 21:46:20 | 2,413 0 | 2,413 | Form 4 |
| 41 | HENGESBAUGH BERNARD L Director | 2004-12-13 15:31:44 | 1000 0 | 1000 | Form 4 |