AON · CIK 0000315293
Aon plc (AON) SEC Filings
Browse 2831 SEC filings for Aon plc, covering Feb 10, 1995 through Jul 9, 2026, organized by filing purpose with direct links to the original EDGAR documents.
Indexed filings
2,831
Filed in the last 12 months
72
History covered
1995–2026
Latest filing
4
Latest important filings
Jump directly to the most recent annual, quarterly, and current reports.
Latest annual report
10-K
Annual report · Feb 13, 2026
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10-Q
Quarterly report · May 1, 2026
Open original filingLatest company update
8-K
Management or director change; Shareholder vote; Other material event · Jul 1, 2026
Open original filingComplete filing history
Search by form or description, filter by purpose and year, and open the original SEC document.
50 filings
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Search by form or description, filter by purpose and year, and open the original SEC document.
| Form | Description | Period ended | Filed |
|---|---|---|---|
| 4 | Change in insider ownership | Jul 7, 2026 | Jul 9, 2026 |
| 144 | Notice of proposed securities sale | — | Jul 7, 2026 |
| 4 | Change in insider ownership | Jul 1, 2026 | Jul 6, 2026 |
| S-3ASR | S-3ASR filing | — | Jul 2, 2026 |
| 8-K | Management or director change; Shareholder vote; Other material event | Jun 26, 2026 | Jul 1, 2026 |
| 4 | Change in insider ownership | Jun 25, 2026 | Jun 29, 2026 |
| 4 | Change in insider ownership | Jun 25, 2026 | Jun 29, 2026 |
| 4 | Change in insider ownership | Jun 25, 2026 | Jun 29, 2026 |
| 4 | Change in insider ownership | Jun 25, 2026 | Jun 29, 2026 |
| 4 | Change in insider ownership | Jun 25, 2026 | Jun 29, 2026 |
| 4 | Change in insider ownership | Jun 25, 2026 | Jun 29, 2026 |
| 4 | Change in insider ownership | Jun 25, 2026 | Jun 29, 2026 |
| 4 | Change in insider ownership | Jun 25, 2026 | Jun 29, 2026 |
| 4 | Change in insider ownership | Jun 25, 2026 | Jun 29, 2026 |
| 4 | Change in insider ownership | Jun 25, 2026 | Jun 29, 2026 |
| 4 | Change in insider ownership | Jun 25, 2026 | Jun 29, 2026 |
| 4 | Change in insider ownership | Jun 25, 2026 | Jun 29, 2026 |
| 144 | Notice of proposed securities sale | — | Jun 4, 2026 |
| 4 | Change in insider ownership | May 12, 2026 | May 14, 2026 |
| 10-Q | Quarterly report | Mar 31, 2026 | May 1, 2026 |
| 8-K | Results of operations | May 1, 2026 | May 1, 2026 |
| SCHEDULE 13G | SCHEDULE 13G filing | — | Apr 29, 2026 |
| ARS | ARS filing | Dec 31, 2025 | Apr 28, 2026 |
| DEFA14A | Additional proxy materials | — | Apr 28, 2026 |
| DEF 14A | Definitive proxy statement | Jun 26, 2026 | Apr 28, 2026 |
Page 1 of 2
Recent filing activity
Annual filing counts derived from this company's SEC history.
2026
50 filings
2025
61 filings
2024
112 filings
2023
93 filings
2022
89 filings
2021
77 filings
2020
107 filings
2019
85 filings
Sources and methodology
How this filing index is assembled and checked.
Filing metadata comes from SEC EDGAR submissions. Categories and plain-language labels are generated deterministically from SEC form and item codes; filing content is not summarized on this page.
Index updated: 7/15/2026
For research and education only. Always review the original SEC filing before making a decision.