Aon plc SEC filings AON
Aon plc has 1,000 filings in SEC EDGAR's recent list, going back to Oct 3, 2014. Its latest annual report, Form ARS, was filed on Apr 28, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 28, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 28, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| ARS | Annual report to shareholders | Apr 28, 2026 | Dec 31, 2025 |
| 10-K | Annual report | Feb 13, 2026 | Dec 31, 2025 |
| ARS | Annual report to shareholders | Apr 28, 2025 | Dec 31, 2024 |
| 10-K | Annual report | Feb 18, 2025 | Dec 31, 2024 |
| ARS | Annual report to shareholders | Apr 29, 2024 | Dec 31, 2023 |
| 10-K/A | Amended annual report | Apr 17, 2024 | Dec 31, 2023 |
| 10-K | Annual report | Feb 16, 2024 | Dec 31, 2023 |
| ARS | Annual report to shareholders | Apr 28, 2023 | Dec 31, 2022 |
| 10-K | Annual report | Feb 17, 2023 | Dec 31, 2022 |
| 10-K | Annual report | Feb 18, 2022 | Dec 31, 2021 |
| 10-K | Annual report | Feb 19, 2021 | Dec 31, 2020 |
| 10-K | Annual report | Feb 14, 2020 | Dec 31, 2019 |
| 10-K | Annual report | Feb 19, 2019 | Dec 31, 2018 |
| 10-K | Annual report | Feb 20, 2018 | Dec 31, 2017 |
| 10-K | Annual report | Feb 23, 2017 | Dec 31, 2016 |
| 10-K | Annual report | Feb 22, 2016 | Dec 31, 2015 |
| ARS | Annual report to shareholders | May 1, 2015 | Dec 31, 2014 |
| 10-K | Annual report | Feb 24, 2015 | Dec 31, 2014 |
Showing 18 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Insurance Agents, Brokers & Service (SIC 6411)
- Listed as
- AON (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- Ireland
- Headquarters
- Dublin 2, Ireland
- SEC filer status
- Large accelerated filer
- SEC CIK
- 315293
- Former names
- AON CORP (until Apr 2, 2012)
Other Insurance Agents, Brokers & Service companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.