Data spanning the past 90 days through February 19, 2026 reveals that Aon's three principal insider shareholders consist of President & Ceo Gregory C Case (1.10Mn shares), President Eric Andersen (177.03K shares), Chief Financial Officer Christa Davies (161.71K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Gregory C Case | President & Ceo | 1,102,745 | 17 Feb, 2026 |
| Eric Andersen | President | 177,033 | 18 Feb, 2025 |
| Christa Davies | Chief Financial Officer | 161,706 | 20 Feb, 2024 |
| Lester B Knight | 146,739 | 30 Jun, 2025 | |
| Andy Weitz | Chief Marketing Officer | 41,524 | 20 Feb, 2024 |
| Gloria Santona | 39,608 | 14 Nov, 2025 | |
| Fulvio Conti | 30,862 | 24 Jun, 2024 | |
| 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 | |
| Lisa Stevens | Chief Administrative Officer | 26,353 | 17 Feb, 2026 |
| Darren Zeidel | General Counsel | 25,294 | 17 Feb, 2026 |
| 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 |
| Andy Marcell | Global Ceo And Solution Lines | 7,983 | 17 Feb, 2026 |
| Jin-Yong Cai | 7,465 | 30 Jun, 2025 | |
| Lori Goltermann | Ceo And Regions & North America | 6,503 | 17 Feb, 2026 |
| Mindy F. Simon | Chief Operating Officer | 6,496 | 17 Feb, 2026 |
| Byron Spruell | 5,787 | 30 Jun, 2025 | |
| James Platt | Chief Operating Officer | 4,590 | 17 Mar, 2022 |
| Anne Corona | Chief Commercial Officer | 3,990 | 17 Feb, 2026 |
| Edmund Reese | Chief Financial Officer | 2,124 | 17 Feb, 2026 |
| Adriana Karaboutis | 2,016 | 30 Jun, 2025 | |
| Jillian Slyfield | Chief Innovation Officer | 1,910 | 19 Sep, 2024 |
| 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 |
|---|---|---|---|---|---|---|---|---|
| 13 Feb, 2026 | Darren Zeidel | Class A Ordinary Stock | D | 93 | $321.70 | 25,294 | D | F |
| 13 Feb, 2026 | Darren Zeidel | Class A Ordinary Stock | A | 871 | - | 25,564 | D | M |
| 13 Feb, 2026 | Darren Zeidel | Class A Ordinary Stock | D | 386 | $321.70 | 25,178 | D | F |
| 13 Feb, 2026 | Darren Zeidel | Class A Ordinary Stock | A | 209 | - | 25,387 | D | M |
| 13 Feb, 2026 | Lisa Stevens | Class A Ordinary Stock | D | 701 | $321.70 | 26,107 | D | F |
| 13 Feb, 2026 | Lisa Stevens | Class A Ordinary Stock | A | 478 | - | 26,585 | D | M |
| 13 Feb, 2026 | Lisa Stevens | Class A Ordinary Stock | A | 1,451 | - | 26,808 | D | M |
| 13 Feb, 2026 | Lisa Stevens | Class A Ordinary Stock | D | 231 | $321.70 | 26,353 | D | F |
| 13 Feb, 2026 | Edmund Reese | Class A Ordinary Stock | D | 251 | $321.70 | 2,124 | D | F |
| 13 Feb, 2026 | Edmund Reese | Class A Ordinary Stock | A | 598 | - | 2,375 | D | M |
| 13 Feb, 2026 | Mindy F. Simon | Class A Ordinary Stock | D | 109 | $321.70 | 6,496 | D | F |
| 13 Feb, 2026 | Mindy F. Simon | Class A Ordinary Stock | A | 254 | - | 6,605 | D | M |
| 12 Feb, 2026 | Gregory C Case | Class A Ordinary Stock | A | 4,589 | - | 940,841 | D | A |
| 12 Feb, 2026 | Gregory C Case | Class A Ordinary Stock | A | 71,868 | - | 968,498 | D | A |
| 12 Feb, 2026 | Gregory C Case | Class A Ordinary Stock | D | 2,059 | $314.49 | 938,782 | D | F |
| 12 Feb, 2026 | Gregory C Case | Class A Ordinary Stock | D | 32,246 | $314.49 | 936,252 | D | F |
| 12 Feb, 2026 | Darren Zeidel | Class A Ordinary Stock | A | 7,135 | - | 27,388 | D | A |
| 12 Feb, 2026 | Darren Zeidel | Class A Ordinary Stock | D | 2,696 | $314.49 | 24,693 | D | F |
| 12 Feb, 2026 | Lisa Stevens | Class A Ordinary Stock | D | 7,568 | $314.49 | 25,357 | D | F |
| 12 Feb, 2026 | Lisa Stevens | Class A Ordinary Stock | A | 15,856 | - | 32,925 | D | A |