AON - CIK 0000315293
Aon plc has filed 1,000 documents with the SEC between 2014 and 2026. The most frequent type is insider trade (495 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Insider trade | 4 | 2026-05-14 | 2026-05-12 |
| Quarterly report | 10-Q | 2026-05-01 | 2026-03-31 |
| Major company event | 8-K | 2026-05-01 | 2026-05-01 |
| SCHEDULE 13G | - | 2026-04-29 | - |
| Annual report to shareholders | ARS | 2026-04-28 | 2025-12-31 |
| Proxy materials | DEFA14A | 2026-04-28 | - |
| Proxy statement | DEF 14A | 2026-04-28 | 2026-06-26 |
| SCHEDULE 13G/A | - | 2026-03-26 | - |
| Insider trade | 4 | 2026-03-17 | 2026-03-13 |
| Insider trade | 4 | 2026-03-17 | 2026-03-13 |
| Insider trade | 4 | 2026-03-17 | 2026-03-13 |
| Insider trade | 4 | 2026-03-02 | 2026-02-26 |
| Insider sale notice | 144 | 2026-02-26 | - |
| Insider trade | 4 | 2026-02-20 | 2026-02-19 |
| Insider trade | 4 | 2026-02-19 | 2026-02-18 |
| Insider trade | 4 | 2026-02-19 | 2026-02-17 |
| Insider trade | 4 | 2026-02-19 | 2026-02-17 |
| Insider sale notice | 144 | 2026-02-17 | - |
| Insider trade | 4 | 2026-02-17 | 2026-02-12 |
| Insider trade | 4 | 2026-02-17 | 2026-02-12 |
| Insider trade | 4 | 2026-02-17 | 2026-02-12 |
| Insider trade | 4 | 2026-02-17 | 2026-02-12 |
| Insider trade | 4 | 2026-02-17 | 2026-02-12 |
| Insider trade | 4 | 2026-02-17 | 2026-02-12 |
| Insider trade | 4 | 2026-02-17 | 2026-02-12 |
| Insider trade | 4 | 2026-02-17 | 2026-02-12 |
| Delisting notice | 25-NSE | 2026-02-17 | - |
| Annual report | 10-K | 2026-02-13 | 2025-12-31 |
| Insider trade | 4 | 2026-02-12 | 2026-02-10 |
| Major company event | 8-K | 2026-01-30 | 2026-01-30 |
| Major company event | 8-K | 2026-01-07 | 2026-01-06 |
| Major company event | 8-K | 2026-01-02 | 2025-12-31 |
| Delisting notice | 25-NSE | 2025-12-15 | - |
| Insider trade | 4 | 2025-12-09 | 2025-12-05 |
| Insider sale notice | 144 | 2025-11-25 | - |
| Insider trade | 4 | 2025-11-25 | 2025-11-21 |
| Insider trade | 4 | 2025-11-25 | 2025-11-21 |
| Insider trade | 4 | 2025-11-25 | 2025-11-21 |
| Insider trade | 4 | 2025-11-18 | 2025-11-14 |
| Insider trade | 4 | 2025-11-14 | 2025-11-12 |
| Insider trade | 4 | 2025-11-07 | 2025-11-05 |
| Insider sale notice | 144 | 2025-11-05 | - |
| Quarterly report | 10-Q | 2025-10-31 | 2025-09-30 |
| Major company event | 8-K | 2025-10-31 | 2025-10-31 |
| Major company event | 8-K | 2025-10-30 | 2025-10-30 |
| Insider trade | 4 | 2025-09-30 | 2025-09-26 |
| New insider ownership | 3 | 2025-09-23 | 2025-09-15 |
| Major company event | 8-K | 2025-09-03 | 2025-09-03 |
| New insider ownership | 3 | 2025-08-19 | 2025-08-15 |
| Major company event | 8-K | 2025-08-04 | 2025-08-01 |