Data spanning the past 90 days through January 14, 2026 reveals that Aon's three principal insider shareholders consist of Chief Executive Officer Gregory C Case (634.50K shares), President Eric Andersen (177.03K shares), Chief Financial Officer Christa Davies (161.71K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Gregory C Case | Chief Executive Officer | 634,505 | 18 Feb, 2025 |
| Eric Andersen | President | 177,033 | 18 Feb, 2025 |
| Christa Davies | Chief Financial Officer | 161,706 | 20 Feb, 2024 |
| Andy Weitz | Chief Marketing Officer | 41,524 | 20 Feb, 2024 |
| Gloria Santona | 39,608 | 14 Nov, 2025 | |
| Fulvio Conti | 30,862 | 24 Jun, 2024 | |
| Lester B Knight | 29,772 | 30 Jun, 2025 | |
| Richard C Notebaert | 29,176 | 30 Jun, 2025 | |
| Cheryl A Francis | 28,704 | 30 Jun, 2025 | |
| Richard B Myers | 27,618 | 29 Jun, 2021 | |
| Carolyn Y Woo | 27,278 | 20 Jun, 2023 | |
| Darren Zeidel | General Counsel | 20,253 | 07 Nov, 2025 |
| Lisa Stevens | Chief Administrative Officer | 17,022 | 24 Feb, 2025 |
| J Michael Losh | 12,375 | 22 Jun, 2022 | |
| Jeffrey C Campbell | 12,031 | 30 Jun, 2025 | |
| Michael Neller | Principal Accounting Officer | 10,845 | 25 Mar, 2025 |
| Jin-Yong Cai | 7,465 | 30 Jun, 2025 | |
| Byron Spruell | 5,787 | 30 Jun, 2025 | |
| James Platt | Chief Operating Officer | 4,590 | 17 Mar, 2022 |
| Mindy F. Simon | Chief Operating Officer | 3,179 | 18 Nov, 2025 |
| Lori Goltermann | Ceo And Regions & North America | 2,255 | 25 Nov, 2025 |
| Anne Corona | Chief Commercial Officer | 2,224 | 25 Nov, 2025 |
| Adriana Karaboutis | 2,016 | 30 Jun, 2025 | |
| Jillian Slyfield | Chief Innovation Officer | 1,910 | 19 Sep, 2024 |
| Edmund Reese | Chief Financial Officer | 1,777 | 03 Jul, 2025 |
| Andy Marcell | Global Ceo And Solution Lines | 1,677 | 25 Nov, 2025 |
| Sarah G Smith | 1,524 | 30 Jun, 2025 | |
| Jose Antonio Alvarez | 867 | 30 Jun, 2025 | |
| James G. Stavridis | 788 | 30 Jun, 2025 | |
| Jo Ann Jenkins | 284 | 30 Sep, 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 |
|---|---|---|---|---|---|---|---|---|
| 05 Dec, 2025 | Lester B Knight | Class A Ordinary Stock | D | 7,878 | $0.00 | 26,033 | I | G |
| 21 Nov, 2025 | Anne Corona | Class A Ordinary Stock | D | 65 | $346.51 | 2,224 | D | F |
| 21 Nov, 2025 | Anne Corona | Class A Ordinary Stock | A | 132 | - | 2,290 | D | M |
| 21 Nov, 2025 | Lori Goltermann | Class A Ordinary Stock | A | 156 | - | 2,324 | D | M |
| 21 Nov, 2025 | Lori Goltermann | Class A Ordinary Stock | D | 68 | $346.51 | 2,255 | D | F |
| 21 Nov, 2025 | Andy Marcell | Class A Ordinary Stock | A | 86 | - | 1,719 | D | M |
| 21 Nov, 2025 | Andy Marcell | Class A Ordinary Stock | D | 42 | $346.51 | 1,677 | D | F |
| 14 Nov, 2025 | Mindy F. Simon | Class A Ordinary Stock | D | 606 | $350.13 | 3,179 | D | F |
| 14 Nov, 2025 | Mindy F. Simon | Class A Ordinary Stock | A | 1,970 | - | 3,786 | D | M |
| 12 Nov, 2025 | Gloria Santona | Class A Ordinary Stock | D | 17,736 | $0.00 | 21,872 | D | G |
| 12 Nov, 2025 | Gloria Santona | Class A Ordinary Stock | A | 17,736 | $0.00 | 17,736 | I | G |
| 05 Nov, 2025 | Darren Zeidel | Class A Ordinary Stock | D | 7,570 | $344.42 | 21,483 | D | S |
| 05 Nov, 2025 | Darren Zeidel | Class A Ordinary Stock | D | 1,230 | $345.17 | 20,253 | D | S |
| 26 Sep, 2025 | Jo Ann Jenkins | - | - | 547 | D | |||
| 26 Sep, 2025 | Jo Ann Jenkins | - | - | 284 | D | |||
| 26 Sep, 2025 | Jo Ann Jenkins | Class A Ordinary Stock | D | 263 | $356.08 | 284 | D | F |
| 26 Sep, 2025 | Jo Ann Jenkins | Class A Ordinary Stock | A | 547 | - | 547 | D | A |
| 01 Jul, 2025 | Edmund Reese | Class A Ordinary Stock | D | 2,198 | $356.93 | 1,777 | D | F |
| 01 Jul, 2025 | Edmund Reese | - | - | 1,777 | D | |||
| 01 Jul, 2025 | Edmund Reese | Class A Ordinary Stock | A | 3,975 | - | 3,975 | D | M |