CIK 315293 · Insurance Agents, Brokers & Service

Aon (AON)

204 filings in EDGAR's recent window. Latest: 10-K 2025-12-31, 10-Q 2026-06-30, 8-K 2026-09-22.

What changed in the latest 10-KNew, removed and reworded risk factor headings in the 2025-12-31 10-K against the year before, then every item sentence by sentence.Risk factorsEvery Item 1A heading in the 2025-12-31 10-K, grouped as filed, each linked to its text.

10-K

PeriodFiledDocumentEDGAR
2025-12-312026-02-1310-Koriginal
2024-12-312025-02-1810-Koriginal
2023-12-312024-02-1610-Koriginal
2022-12-312023-02-1710-Koriginal
2021-12-312022-02-1810-Koriginal
2020-12-312021-02-1910-Koriginal
2019-12-312020-02-1410-Koriginal
2018-12-312019-02-1910-Koriginal
2017-12-312018-02-2010-Koriginal
2016-12-312017-02-2310-Koriginal
2015-12-312016-02-2210-Koriginal
2014-12-312015-02-2410-Koriginal

10-Q

PeriodFiledDocumentEDGAR
2026-06-302026-07-2910-Qoriginal
2026-03-312026-05-0110-Qoriginal
2025-09-302025-10-3110-Qoriginal
2025-06-302025-07-2510-Qoriginal
2025-03-312025-04-2510-Qoriginal
2024-09-302024-10-2510-Qoriginal
2024-06-302024-07-2610-Qoriginal
2024-03-312024-04-2610-Qoriginal
2023-09-302023-10-2710-Qoriginal
2023-06-302023-07-2810-Qoriginal
2023-03-312023-04-2810-Qoriginal
2022-09-302022-10-2810-Qoriginal
2022-06-302022-07-2910-Qoriginal
2022-03-312022-04-2910-Qoriginal
2021-09-302021-10-2910-Qoriginal

8-K

PeriodFiledDocumentEDGAR
2026-09-182026-09-228-Koriginal
2026-09-142026-09-178-Koriginal
2026-09-112026-09-118-Koriginal
2026-08-302026-08-318-Koriginal
2026-08-172026-08-178-Koriginal
2026-07-292026-07-298-Koriginal
2026-06-262026-07-018-Koriginal
2026-05-012026-05-018-Koriginal
2026-01-302026-01-308-Koriginal
2026-01-062026-01-078-Koriginal
2025-12-312026-01-028-Koriginal
2025-10-312025-10-318-Koriginal
2025-10-302025-10-308-Koriginal
2025-09-032025-09-038-Koriginal
2025-08-012025-08-048-Koriginal
2025-07-292025-07-298-Koriginal
2025-07-252025-07-258-Koriginal
2025-06-272025-07-038-Koriginal
2025-04-252025-04-258-Koriginal
2025-04-072025-04-108-Koriginal
2025-03-142025-03-178-Koriginal
2025-03-132025-03-138-Koriginal
2025-01-312025-01-318-Koriginal
2024-10-252024-10-258-Koriginal
2024-08-052024-08-098-Koriginal
2024-07-262024-07-268-Koriginal
2024-06-212024-06-268-Koriginal
2024-05-302024-06-048-Koriginal
2024-04-262024-04-268-Koriginal
2024-04-252024-04-258-Koriginal
2024-04-192024-04-198-Koriginal
2024-04-162024-04-19CURRENT REPORToriginal
2024-04-152024-04-16CURRENT REPORToriginal
2024-04-012024-04-038-Koriginal
2024-04-022024-04-02CURRENT REPORToriginal
2024-03-212024-03-278-Koriginal
2024-02-282024-03-018-Koriginal
2024-02-212024-02-218-Koriginal
2024-02-132024-02-168-Koriginal
2024-02-022024-02-028-Koriginal

10-K/A

PeriodFiledDocumentEDGAR
2023-12-312024-04-1710-K/Aoriginal

API

GET https://filings.tools/api/v1/filings?ticker=AON
GET https://filings.tools/api/v1/filings/315293-000162828026008116/sections?format=md