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 |
|---|---|---|---|
| DEFA14A | Additional proxy material | Apr 28, 2026 | — |
| DEF 14A | Proxy statement | Apr 28, 2026 | Jun 26, 2026 |
| DEFA14A | Additional proxy material | Apr 28, 2025 | — |
| DEF 14A | Proxy statement | Apr 28, 2025 | Jun 27, 2025 |
| DEFA14A | Additional proxy material | May 21, 2024 | — |
| DEFA14A | Additional proxy material | Apr 29, 2024 | — |
| DEF 14A | Proxy statement | Apr 29, 2024 | Jun 21, 2024 |
| DEFA14A | Additional proxy material | Apr 28, 2023 | — |
| DEF 14A | Proxy statement | Apr 28, 2023 | — |
| DEFA14A | Additional proxy material | Apr 29, 2022 | — |
| DEF 14A | Proxy statement | Apr 29, 2022 | Jun 17, 2022 |
| DEFA14A | Additional proxy material | Apr 15, 2021 | — |
| DEF 14A | Proxy statement | Apr 15, 2021 | Jun 2, 2021 |
| PRE 14A | Preliminary proxy statement | Mar 26, 2021 | May 25, 2021 |
| DEFA14A | Additional proxy material | Aug 11, 2020 | — |
| DEFA14A | Additional proxy material | Aug 4, 2020 | — |
| DEFA14A | Additional proxy material | Jul 28, 2020 | — |
| DEFM14A | Filing | Jul 8, 2020 | — |
| DEFA14A | Additional proxy material | May 12, 2020 | — |
| PREM14A | Filing | May 11, 2020 | May 8, 2020 |
| DEFA14A | Additional proxy material | Apr 27, 2020 | — |
| DEFA14A | Additional proxy material | Apr 24, 2020 | — |
| DEF 14A | Proxy statement | Apr 24, 2020 | Jun 19, 2020 |
| DEFA14A | Additional proxy material | Mar 10, 2020 | — |
| DEFA14A | Additional proxy material | Mar 9, 2020 | — |
| DEFA14A | Additional proxy material | Dec 20, 2019 | — |
| DEF 14A | Proxy statement | Dec 20, 2019 | Feb 4, 2020 |
| DEFA14A | Additional proxy material | Oct 29, 2019 | — |
| PRE 14A | Preliminary proxy statement | Oct 29, 2019 | Oct 29, 2019 |
| DEFA14A | Additional proxy material | Jun 6, 2019 | — |
| DEFA14A | Additional proxy material | Jun 3, 2019 | — |
| DEFA14A | Additional proxy material | May 21, 2019 | — |
| DEFA14A | Additional proxy material | May 16, 2019 | — |
| DEFA14A | Additional proxy material | Apr 26, 2019 | — |
| DEF 14A | Proxy statement | Apr 26, 2019 | Jun 21, 2019 |
| PRE 14A | Preliminary proxy statement | Apr 1, 2019 | Jun 21, 2019 |
| DEFA14A | Additional proxy material | Apr 27, 2018 | — |
| DEF 14A | Proxy statement | Apr 27, 2018 | Jun 22, 2018 |
| DEFA14A | Additional proxy material | Apr 28, 2017 | — |
| DEF 14A | Proxy statement | Apr 28, 2017 | Jun 23, 2017 |
| DEFA14A | Additional proxy material | Apr 29, 2016 | — |
| DEF 14A | Proxy statement | Apr 29, 2016 | Jun 24, 2016 |
| DEFA14A | Additional proxy material | Apr 24, 2015 | — |
| DEF 14A | Proxy statement | Apr 24, 2015 | Jun 17, 2015 |
| PRE 14A | Preliminary proxy statement | Apr 9, 2015 | Jun 17, 2015 |
Showing 45 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.
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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.