As of July 26, 2026, the three largest insider holders of AJG are Thomas Joseph Gallagher (President, 323.39K shares), Joel D Cavaness (Vice President, 159.58K shares), Patrick Murphy Gallagher (Chief Operating Officer, 154.74K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Norman L Rosenthal | - | 41,876 | 0 | 15 May, 2025 |
| Douglas K Howell | Vp Chief Financial Officer | 106,710 | 0 | 02 Apr, 2026 |
| Kay W Mccurdy | - | 30,621 | 0 | 11 May, 2023 |
| Susan E Pietrucha | Chief Human Resources Officer | 16,397 | 0 | 17 Mar, 2026 |
| Scott R Hudson | Vice President | 90,262 | 0 | 02 Apr, 2026 |
| Deborah H Caplan | - | 1,540 | 0 | 15 May, 2025 |
| Thomas Joseph Gallagher | President | 323,391 | 0 | 02 Apr, 2026 |
| David John Coldman | - | 15,234 | 0 | 15 May, 2025 |
| Joel D Cavaness | Vice President | 159,581 | 0 | 01 May, 2024 |
| William F Ziebell | Vice President | 48,685 | 0 | 02 Apr, 2026 |
| Christopher E Mead | Vice President | 22,113 | 0 | 17 Mar, 2026 |
| Mark H. Bloom | Vice President | 3,743 | 0 | 17 Mar, 2026 |
| Christopher C. Miskel | - | 9,308 | 0 | 02 Mar, 2026 |
| Vishal Jain | Vice President | 66,741 | 0 | 02 Apr, 2026 |
| Teresa Hillary Clarke | - | 4,442 | 0 | 15 May, 2025 |
| Patrick Murphy Gallagher | Chief Operating Officer | 14,072 | 140,667 | 24 Mar, 2026 |
| Michael Robert Pesch | Vice President | 44,379 | 0 | 18 Mar, 2026 |
| Richard De Winton Wilkin Harries | - | 1,303 | 0 | 25 Jul, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 31 Mar, 2026 | Douglas K Howell | Common Stock | A | 76 | $215.95 | 106,786 | D | M |
| 31 Mar, 2026 | Thomas Joseph Gallagher | Common Stock | A | 76 | $215.95 | 323,467 | D | M |
| 31 Mar, 2026 | Thomas Joseph Gallagher | Common Stock | A | 76 | $215.95 | 323,467 | D | M |
| 31 Mar, 2026 | Douglas K Howell | Common Stock | A | 76 | $215.95 | 106,786 | D | M |
| 31 Mar, 2026 | William F Ziebell | Common Stock | A | 51 | $215.95 | 48,736 | D | M |
| 31 Mar, 2026 | William F Ziebell | Common Stock | A | 51 | $215.95 | 48,736 | D | M |
| 31 Mar, 2026 | Scott R Hudson | Common Stock | A | 64 | $215.95 | 90,326 | D | M |
| 31 Mar, 2026 | Vishal Jain | Common Stock | A | 51 | $215.95 | 66,792 | D | M |
| 31 Mar, 2026 | Douglas K Howell | Common Stock | A | 76 | $215.95 | 106,786 | D | M |
| 31 Mar, 2026 | Scott R Hudson | Common Stock | A | 64 | $215.95 | 90,326 | D | M |
| 31 Mar, 2026 | Thomas Joseph Gallagher | Common Stock | A | 76 | $215.95 | 323,467 | D | M |
| 31 Mar, 2026 | Vishal Jain | Common Stock | A | 51 | $215.95 | 66,792 | D | M |
| 31 Mar, 2026 | William F Ziebell | Common Stock | A | 51 | $215.95 | 48,736 | D | M |
| 31 Mar, 2026 | Scott R Hudson | Common Stock | A | 64 | $215.95 | 90,326 | D | M |
| 31 Mar, 2026 | Vishal Jain | Common Stock | A | 51 | $215.95 | 66,792 | D | M |
| 31 Mar, 2026 | Vishal Jain | Common Stock | D | 51 | $215.95 | 66,741 | D | F |
| 31 Mar, 2026 | Scott R Hudson | Common Stock | D | 64 | $215.95 | 90,262 | D | F |
| 31 Mar, 2026 | Thomas Joseph Gallagher | Common Stock | D | 76 | $215.95 | 323,391 | D | F |
| 31 Mar, 2026 | Vishal Jain | Common Stock | D | 51 | $215.95 | 66,741 | D | F |
| 31 Mar, 2026 | Scott R Hudson | Common Stock | D | 64 | $215.95 | 90,262 | D | F |