Gregory C. Case
Chief Executive Officer at Aon plc
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Aon plc, 3 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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Aon plc June 26, 202699.1%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Feb 19, 2026 | Aon plc | Gift | −7,500 | — | — |
| Feb 19, 2026 | Aon plc | Gift | −7,500 | — | — |
| Feb 19, 2026 | Aon plc | Gift | −11,206 | — | — |
| Feb 19, 2026 | Aon plc | Gift | −11,206 | — | — |
| Feb 19, 2026 | Aon plc | Gift | +11,206 | — | — |
| Feb 19, 2026 | Aon plc | Gift | +11,206 | — | — |
| Feb 17, 2026 | Aon plc | Option exercise | +2,357 | — | — |
| Feb 17, 2026 | Aon plc | Shares withheld for tax | −1,002 | $325.96 | $326,514 |
| Feb 17, 2026 | Aon plc | Gift | −3,214 | — | — |
| Feb 17, 2026 | Aon plc | Gift | −3,214 | — | — |
| Feb 17, 2026 | Aon plc | Gift | +3,214 | — | — |
| Feb 17, 2026 | Aon plc | Gift | +3,214 | — | — |
| Feb 12, 2026 | Aon plc | Grant or award | +71,868 | — | — |
| Feb 12, 2026 | Aon plc | Shares withheld for tax | −32,246 | $314.49 | $10,141,092 |
| Feb 12, 2026 | Aon plc | Grant or award | +4,589 | — | — |
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