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| Keyboard |
| Aon Corp | |
|---|---|
| Ticker | AON |
| CIK # | 0000315293 |
| CUSIP | G0403H108 |
| Sector | Finance - Insurance Agents, Brokers & Service |
| Address | 200 East Randolph Street, Chicago, IL 60601 |
| Source | [EDGAR] |
| CIK | Filing | 2011 - 2026 |
|---|---|---|
| [0000315293] | 10-K | |
| [0000315293] | 10-Q | |
| [0000315293] | 3 | |
| [0000315293] | 4 | |
| [0000315293] | 5 | |
| [0000315293] | 8-K | |
| [0000315293] | SC 13G |
| Insider Transaction (Form 3/4/5) | Date | Action | Shares | Price | Value ($) |
|---|---|---|---|---|---|
|
Marcell Andy
Class A Ordinary Stock
|
2026-03-13 | Option exercise | 1,166 | ||
|
Goltermann Lori
Restricted Share Unit (Right to Receive) · derivative
|
2026-03-13 | Option exercise | 228 | $0.00 | |
|
Corona Anne
Class A Ordinary Stock
|
2026-03-13 | Tax withheld | 85.50 | $321.41 | 27,481 |
|
Marcell Andy
Restricted Share Unit (Right to Receive) · derivative
|
2026-03-13 | Option exercise | 1,166 | $0.00 | |
|
Marcell Andy
Class A Ordinary Stock
|
2026-03-13 | Tax withheld | 567.83 | $321.41 | 182,506 |
|
Corona Anne
Class A Ordinary Stock
|
2026-03-13 | Tax withheld | 77.08 | $321.41 | 24,774 |
|
Goltermann Lori
Class A Ordinary Stock
|
2026-03-13 | Option exercise | 228 | ||
|
Corona Anne
Restricted Share Unit (Right to Receive) · derivative
|
2026-03-13 | Option exercise | 174 | $0.00 | |
|
Goltermann Lori
Restricted Share Unit (Right to Receive) · derivative
|
2026-03-13 | Option exercise | 290 | $0.00 | |
|
Goltermann Lori
Class A Ordinary Stock
|
2026-03-13 | Option exercise | 290 | ||
|
Goltermann Lori
Class A Ordinary Stock
|
2026-03-13 | Tax withheld | 99.18 | $321.41 | 31,877 |
|
Marcell Andy
Restricted Share Unit (Right to Receive) · derivative
|
2026-03-13 | Option exercise | 464 | $0.00 | |
|
Corona Anne
Restricted Share Unit (Right to Receive) · derivative
|
2026-03-13 | Option exercise | 193 | $0.00 | |
|
Marcell Andy
Class A Ordinary Stock
|
2026-03-13 | Tax withheld | 225.96 | $321.41 | 72,626 |
|
Corona Anne
Class A Ordinary Stock
|
2026-03-13 | Option exercise | 193 | ||
|
Corona Anne
Class A Ordinary Stock
|
2026-03-13 | Option exercise | 174 | ||
|
Goltermann Lori
Class A Ordinary Stock
|
2026-03-13 | Tax withheld | 126.15 | $321.41 | 40,546 |
|
Marcell Andy
Class A Ordinary Stock
|
2026-03-13 | Option exercise | 464 | ||
|
Zeidel Darren
Class A Ordinary Stock
|
2026-02-26 | Sell | 4,300 | $329.72 | 1,417,796 |
|
Case Gregory C
Class A Ordinary Stock
|
2026-02-19 | Gift | 11,206 | $0.00 | |
| showing 20 of 200 most recent transactions | |||||
| 13F Ownership Over Time | Holders | Shares Held |
|---|---|---|
| 2026-03-31 | 1,258 | 184,085,462 |
| 2025-12-31 | 1,282 | 186,239,900 |
| 2025-09-30 | 1,251 | 187,026,479 |
| 2025-06-30 | 1,228 | 190,123,419 |
| 2025-03-31 | 1,272 | 190,870,918 |
| 2024-12-31 | 1,191 | 193,166,949 |
| 2024-09-30 | 1,147 | 191,539,360 |
| 2024-06-30 | 1,105 | 185,567,205 |
| 2024-03-31 | 1,081 | 180,652,541 |
| 2023-12-31 | 1,061 | 170,152,149 |
| 2023-09-30 | 1,046 | 164,817,978 |
| 2023-06-30 | 1,028 | 168,585,387 |