Aon plc (AON)
Data as of , from SEC Form 4 filings.
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About Aon plc (AON)
Aon is a leading global provider of insurance and reinsurance brokerage and human resources solutions. Its operations are tilted toward its brokerage operations. Headquartered in London, Aon has about 60,000 employees and operations in over 120 countries.
- DUBLIN 2, L2
- 60,000
- 1975
- NYSE
AON Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market purchase | 6 | 20,000 | $6.55M |
| Open-market sale | 3 | 1,900 | $718K |
AON insider transactions (Form 4)
5454 Form 4 filings on record, the earliest from Nov 19, 2024, newest first. Filing history page 2 of 2.
| Traded | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Andy Marcell - Officer | Grant or award | Class A Ordinary Stock | 12,882 | - footnote F1 | - | |
| Andy Marcell - Officer | Tax withholding / forfeiture | Class A Ordinary Stock | 6,576 | $314.49 | $2.07M | |
| Andy Marcell - Officer | Grant or award | Restricted Share Unit (Right to Receive) | 2,226 | $0.00 | - | |
| Andy Marcell - Officer | Grant or award | Restricted Share Unit (Right to Receive) | 9,539 | $0.00 | - | |
| ||||||
| Lori Goltermann - Officer | Grant or award | Class A Ordinary Stock | 6,937 | - footnote F1 | - | |
| Lori Goltermann - Officer | Tax withholding / forfeiture | Class A Ordinary Stock | 2,713 | $314.49 | $853K | |
| Lori Goltermann - Officer | Grant or award | Restricted Share Unit (Right to Receive) | 1,113 | $0.00 | - | |
| ||||||
| Anne Corona - Officer | Grant or award | Class A Ordinary Stock | 3,171 | - footnote F1 | - | |
| Anne Corona - Officer | Tax withholding / forfeiture | Class A Ordinary Stock | 1,405 | $314.49 | $442K | |
| Anne Corona - Officer | Grant or award | Restricted Share Unit (Right to Receive) | 835 | $0.00 | - | |
| ||||||
 Gregory C. Case - Officer | Grant or award | Class A Ordinary Stock | 71,868 | - footnote F1 | - | |
| Gregory C. Case - Officer | Tax withholding / forfeiture | Class A Ordinary Stock | 32,246 | $314.49 | $10.14M | |
| Gregory C. Case - Officer | Grant or award | Class A Ordinary Stock | 4,589 | - footnote F1 | - | |
| Gregory C. Case - Officer | Tax withholding / forfeiture | Class A Ordinary Stock | 2,059 | $314.49 | $648K | |
| ||||||
| Lester B. Knight | Open-market purchase | Class A Ordinary Stock | 4,000 | $319.24 footnote F1 | $1.28M | |
| ||||||
| Lester B. Knight | Gift | Class A Ordinary Stock | 7,878 | $0.00 | - | |
| Anne Corona - Officer | Option exercise | Class A Ordinary Stock | 132 | - footnote F1 | - | |
| Anne Corona - Officer | Tax withholding / forfeiture | Class A Ordinary Stock | 65.44 | $346.51 | $23K | |
| Anne Corona - Officer | Option exercise | Restricted Share Unit (Right to Receive) | 132 | $0.00 | - | |
| ||||||
| Lori Goltermann - Officer | Option exercise | Class A Ordinary Stock | 156 | - footnote F1 | - | |
| Lori Goltermann - Officer | Tax withholding / forfeiture | Class A Ordinary Stock | 68.09 | $346.51 | $24K | |
| Lori Goltermann - Officer | Option exercise | Restricted Share Unit (Right to Receive) | 156 | $0.00 | - | |
| ||||||
| Andy Marcell - Officer | Option exercise | Class A Ordinary Stock | 86 | - footnote F1 | - | |
| Andy Marcell - Officer | Tax withholding / forfeiture | Class A Ordinary Stock | 41.88 | $346.51 | $15K | |
| Andy Marcell - Officer | Option exercise | Restricted Share Unit (Right to Receive) | 86 | $0.00 | - | |
| ||||||
| Mindy F. Simon - Officer | Option exercise | Class A Ordinary Stock | 1,970 | - footnote F1 | - | |
| Mindy F. Simon - Officer | Tax withholding / forfeiture | Class A Ordinary Stock | 606.21 | $350.13 | $212K | |
| Mindy F. Simon - Officer | Option exercise | Restricted Share Unit (Right to Receive) | 1,970 | $0.00 | - | |
| ||||||
| Gloria Santona | Gift | Class A Ordinary Stock | 17,736 | $0.00 footnote F1 | - | |
| Gloria Santona | Gift | Class A Ordinary Stock | 17,736 | $0.00 footnote F1 | - | |
| ||||||
| Darren Zeidel - Officer | Open-market sale | Class A Ordinary Stock | 7,570 | $344.42 footnote F1 | $2.61M | |
| Darren Zeidel - Officer | Open-market sale | Class A Ordinary Stock | 1,230 | $345.17 footnote F2 | $425K | |
| ||||||
| Jo Ann Jenkins | Grant or award | Class A Ordinary Stock | 547 | - | - | |
| Jo Ann Jenkins | Tax withholding / forfeiture | Class A Ordinary Stock | 262.55 | $356.08 | $93K | |
| Edmund Reese - Officer | Option exercise | Class A Ordinary Stock | 3,975 | - | - | |
| Edmund Reese - Officer | Tax withholding / forfeiture | Class A Ordinary Stock | 2,198 | $356.93 | $785K | |
| Edmund Reese - Officer | Option exercise | Restricted Share Unit (Right to Receive) | 3,975 | $0.00 | - | |
| Cheryl A. Francis | Grant or award | Class A Ordinary Stock | 637 | - | - | |
| Cheryl A. Francis | Tax withholding / forfeiture | Class A Ordinary Stock | 152.88 | $353.55 | $54K | |
| Jeffrey C. Campbell | Grant or award | Class A Ordinary Stock | 637 | - | - | |
| Jeffrey C. Campbell | Tax withholding / forfeiture | Class A Ordinary Stock | 152.88 | $353.55 | $54K | |
| Gloria Santona | Grant or award | Class A Ordinary Stock | 637 | - | - | |
| Gloria Santona | Tax withholding / forfeiture | Class A Ordinary Stock | 152.88 | $353.55 | $54K | |
| Richard C. Notebaert | Grant or award | Class A Ordinary Stock | 637 | - | - | |
| Richard C. Notebaert | Tax withholding / forfeiture | Class A Ordinary Stock | 152.88 | $353.55 | $54K | |
| Sarah G. Smith | Grant or award | Class A Ordinary Stock | 637 | - | - | |
| Sarah G. Smith | Tax withholding / forfeiture | Class A Ordinary Stock | 152.88 | $353.55 | $54K | |
| Lester B. Knight | Grant or award | Class A Ordinary Stock | 1,273 | - | - | |
| Richard C. Notebaert | Gift | Class A Ordinary Stock | 1,795 | $0.00 | - | |
| Mindy F. Simon - Officer | Open-market sale | Class A Ordinary Stock | 650 | $394.34 | $256K | |
| Lisa Stevens - Officer | Open-market sale | Class A Ordinary Stock | 1,275 | $387.68 | $494K | |
| Mindy F. Simon - Officer | Option exercise | Class A Ordinary Stock | 1,970 | - | - | |
| Mindy F. Simon - Officer | Tax withholding / forfeiture | Class A Ordinary Stock | 873.67 | $379.29 | $331K | |
| Mindy F. Simon - Officer | Option exercise | Restricted Share Unit (Right to Receive) | 1,970 | $0.00 | - | |
Item 1.01, 1.02, 2.03, 9.01
Item 8.01, 9.01
Item 8.01, 9.01
Item 1.01, 7.01, 9.01
Recent AON Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| - | - | - | - | View on EDGAR | |
| - | - | - | - |
AON insider trading FAQ
What is the latest insider trade for AON?
Aon plc (AON) had 2 insider filings in the last 90 days, with the most recent on 4 September 2026. The full record for AON runs to 54 Form 4 filings, the earliest from 19 November 2024. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying AON stock?
6 insider purchases of AON were filed in the last 90 days, totaling $6.55M.
How many insiders are selling AON stock?
3 insider sales of AON were filed in the last 90 days, totaling $718K.
Where can I see AON SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects AON Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Financials companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Lester B. Knight view on EDGAR
- - Darren Zeidel view on EDGAR
- - Darren Zeidel view on EDGAR
- - Darren Zeidel view on EDGAR
- - Edmund Reese view on EDGAR
- - Lester B. Knight view on EDGAR
- - Jose Antonio Alvarez view on EDGAR
- - Cheryl A. Francis view on EDGAR
- - James G. Stavridis view on EDGAR
Related companies with recent insider activity
Learn more
- How to read insider buying signals
- What an open-market purchase by an insider can and cannot tell you.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Financials
- Where AON's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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