Aon's three largest insider shareholders as of May 23, 2026 are Gregory C Case (President Ceo, 933.71K shares), Eric Andersen (President, 177.03K shares), Gregory C Case (President Ceo, 175.17K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Lester B Knight | - | 0 | 143,000 | 12 Feb, 2026 |
| Sarah G Smith | - | 1,524 | 0 | 30 Jun, 2025 |
| Richard C Notebaert | - | 29,176 | 0 | 30 Jun, 2025 |
| Gloria Santona | - | 21,872 | 17,736 | 14 Nov, 2025 |
| Carolyn Y Woo | - | 27,278 | 0 | 20 Jun, 2023 |
| Gregory C Case | President Ceo | 933,709 | 0 | 19 Feb, 2026 |
| Fulvio Conti | - | 30,862 | 0 | 24 Jun, 2024 |
| Jose Antonio Alvarez | - | 867 | 0 | 30 Jun, 2025 |
| Adriana Karaboutis | - | 2,016 | 0 | 30 Jun, 2025 |
| James G. Stavridis | - | 788 | 0 | 30 Jun, 2025 |
| Jin-Yong Cai | - | 7,465 | 0 | 30 Jun, 2025 |
| Eric Andersen | President | 177,033 | 0 | 18 Feb, 2025 |
| Michael Neller | Principal Accounting Officer | 8,209 | 0 | 25 Mar, 2025 |
| Jo Ann Jenkins | - | 284 | 0 | 30 Sep, 2025 |
| Darren Zeidel | General Counsel | 15,954 | 0 | 02 Mar, 2026 |
| Andy Weitz | Chief Marketing Officer | 41,524 | 0 | 20 Feb, 2024 |
| Lisa Stevens | Chief Administrative Officer | 26,321 | 0 | 19 Feb, 2026 |
| Byron Spruell | - | 5,787 | 0 | 30 Jun, 2025 |
| Edmund Reese | Chief Financial Officer | 2,124 | 0 | 17 Feb, 2026 |
| James Platt | Chief Operating Officer | 4,590 | 0 | 17 Mar, 2022 |
| Jillian Slyfield | Chief Innovation Officer | 1,910 | 0 | 19 Sep, 2024 |
| Mindy F. Simon | Chief Operating Officer | 6,496 | 0 | 17 Feb, 2026 |
| Anne Corona | Chief Commercial Officer | 4,195 | 0 | 17 Mar, 2026 |
| Lori Goltermann | Ceo, Regions North America | 6,795 | 0 | 17 Mar, 2026 |
| Andy Marcell | Global Ceo, Solution Lines | 8,820 | 0 | 17 Mar, 2026 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 13 Mar, 2026 | Lori Goltermann | Class A Ordinary Stock | A | 228 | - | 6,731 | D | M |
| 13 Mar, 2026 | Lori Goltermann | Class A Ordinary Stock | A | 228 | - | 6,731 | D | M |
| 13 Mar, 2026 | Andy Marcell | Class A Ordinary Stock | A | 1,166 | - | 9,149 | D | M |
| 13 Mar, 2026 | Andy Marcell | Class A Ordinary Stock | A | 1,166 | - | 9,149 | D | M |
| 13 Mar, 2026 | Anne Corona | Class A Ordinary Stock | A | 193 | - | 4,183 | D | M |
| 13 Mar, 2026 | Anne Corona | Class A Ordinary Stock | A | 193 | - | 4,183 | D | M |
| 13 Mar, 2026 | Andy Marcell | Class A Ordinary Stock | D | 568 | $321.41 | 8,582 | D | F |
| 13 Mar, 2026 | Anne Corona | Class A Ordinary Stock | D | 85 | $321.41 | 4,098 | D | F |
| 13 Mar, 2026 | Lori Goltermann | Class A Ordinary Stock | D | 99 | $321.41 | 6,632 | D | F |
| 13 Mar, 2026 | Lori Goltermann | Class A Ordinary Stock | D | 99 | $321.41 | 6,632 | D | F |
| 13 Mar, 2026 | Andy Marcell | Class A Ordinary Stock | D | 568 | $321.41 | 8,582 | D | F |
| 13 Mar, 2026 | Anne Corona | Class A Ordinary Stock | D | 85 | $321.41 | 4,098 | D | F |
| 13 Mar, 2026 | Lori Goltermann | Class A Ordinary Stock | A | 290 | - | 6,922 | D | M |
| 13 Mar, 2026 | Anne Corona | Class A Ordinary Stock | A | 174 | - | 4,272 | D | M |
| 13 Mar, 2026 | Andy Marcell | Class A Ordinary Stock | A | 464 | - | 9,046 | D | M |
| 13 Mar, 2026 | Andy Marcell | Class A Ordinary Stock | A | 464 | - | 9,046 | D | M |
| 13 Mar, 2026 | Lori Goltermann | Class A Ordinary Stock | A | 290 | - | 6,922 | D | M |
| 13 Mar, 2026 | Anne Corona | Class A Ordinary Stock | A | 174 | - | 4,272 | D | M |
| 13 Mar, 2026 | Lori Goltermann | Class A Ordinary Stock | D | 126 | $321.41 | 6,795 | D | F |
| 13 Mar, 2026 | Anne Corona | Class A Ordinary Stock | D | 77 | $321.41 | 4,195 | D | F |