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Aon plc — SEC Filings — 10-K, 10-Q, 8-K

AON
NYSEFinancial ServicesInsurance - BrokersCIK 0000315293aon.comAbout AON
Last close · Oct 16, 2026292.55+5.75 (+2.00%)
Market cap$62.1B

What the company itself has filed with the SEC: annual and quarterly reports, 8-K current reports with the earnings press release, proxy statements and securities offerings. The originals, each linked to EDGAR.

SEC filings

77 since 2023-10-18
  1. 2026-09-228-K
    1.01Entry into a Material Agreement1.02Termination of a Material Agreement2.03Creation of a Direct Financial Obligation9.01Financial Statements and Exhibits
    Filing ↗
  2. 2026-09-178-K
    8.01Other Events9.01Financial Statements and Exhibits
    Filing ↗
  3. 2026-09-15424B5
    Prospectus supplement
    Filing ↗
  4. 2026-09-11424B5
    Prospectus supplement
    Filing ↗
  5. 2026-09-118-K
    8.01Other Events9.01Financial Statements and Exhibits
    Filing ↗
  6. 2026-08-318-K
    1.01Entry into a Material Agreement7.01Regulation FD Disclosure9.01Financial Statements and Exhibits
    Filing ↗
  7. 2026-08-178-K
    5.02Departure/Election of Directors or Officers9.01Financial Statements and Exhibits
    Filing ↗
  8. 2026-07-2910-Q
    Quarterly report · period ended 2026-06-30
    Filing ↗
  9. 2026-07-298-K
    2.02Results of Operations (Earnings)9.01Financial Statements and Exhibits
    Press release ↗Filing ↗
  10. 2026-07-02S-3ASR
    Shelf registration (automatic)
    Filing ↗
  11. 2026-07-018-K
    5.02Departure/Election of Directors or Officers5.07Submission of Matters to a Shareholder Vote8.01Other Events9.01Financial Statements and Exhibits
    Filing ↗
  12. 2026-05-0110-Q
    Quarterly report · period ended 2026-03-31
    Filing ↗
  13. 2026-05-018-K
    2.02Results of Operations (Earnings)9.01Financial Statements and Exhibits
    Press release ↗Filing ↗
  14. 2026-04-28ARS
    Annual report to shareholders · period ended 2025-12-31
    Filing ↗
  15. 2026-04-28DEFA14A
    Additional proxy materials
    Filing ↗
  16. 2026-04-28DEF 14A
    Proxy statement
    Filing ↗
  17. 2026-02-1310-K
    Annual report · period ended 2025-12-31
    Filing ↗
  18. 2026-01-308-K
    2.02Results of Operations (Earnings)9.01Financial Statements and Exhibits
    Press release ↗Filing ↗
  19. 2026-01-078-K
    5.02Departure/Election of Directors or Officers9.01Financial Statements and Exhibits
    Filing ↗
  20. 2026-01-028-K
    5.02Departure/Election of Directors or Officers9.01Financial Statements and Exhibits
    Filing ↗
  21. 2025-10-3110-Q
    Quarterly report · period ended 2025-09-30
    Filing ↗
  22. 2025-10-318-K
    2.02Results of Operations (Earnings)9.01Financial Statements and Exhibits
    Press release ↗Filing ↗
  23. 2025-10-308-K
    7.01Regulation FD Disclosure
    Filing ↗
  24. 2025-09-038-K
    7.01Regulation FD Disclosure9.01Financial Statements and Exhibits
    Filing ↗
  25. 2025-08-048-K
    5.02Departure/Election of Directors or Officers
    Filing ↗
  26. 2025-07-298-K
    5.02Departure/Election of Directors or Officers
    Filing ↗
  27. 2025-07-2510-Q
    Quarterly report · period ended 2025-06-30
    Filing ↗
  28. 2025-07-258-K
    2.02Results of Operations (Earnings)9.01Financial Statements and Exhibits
    Press release ↗Filing ↗
  29. 2025-07-25S-8
    Employee stock plan registration
    Filing ↗
  30. 2025-07-038-K
    5.02Departure/Election of Directors or Officers5.07Submission of Matters to a Shareholder Vote9.01Financial Statements and Exhibits
    Filing ↗
  31. 2025-04-28ARS
    Annual report to shareholders · period ended 2024-12-31
    Filing ↗
  32. 2025-04-28DEFA14A
    Additional proxy materials
    Filing ↗
  33. 2025-04-28DEF 14A
    Proxy statement
    Filing ↗
  34. 2025-04-2510-Q
    Quarterly report · period ended 2025-03-31
    Filing ↗
  35. 2025-04-258-K
    2.02Results of Operations (Earnings)9.01Financial Statements and Exhibits
    Press release ↗Filing ↗
  36. 2025-04-108-K
    5.02Departure/Election of Directors or Officers
    Filing ↗
  37. 2025-03-178-K
    5.02Departure/Election of Directors or Officers7.01Regulation FD Disclosure9.01Financial Statements and Exhibits
    Filing ↗
  38. 2025-03-138-K
    5.02Departure/Election of Directors or Officers
    Filing ↗
  39. 2025-02-1810-K
    Annual report · period ended 2024-12-31
    Filing ↗
  40. 2025-01-318-K
    2.02Results of Operations (Earnings)9.01Financial Statements and Exhibits
    Press release ↗Filing ↗
  41. 2024-10-2510-Q
    Quarterly report · period ended 2024-09-30
    Filing ↗
  42. 2024-10-258-K
    2.02Results of Operations (Earnings)9.01Financial Statements and Exhibits
    Press release ↗Filing ↗
  43. 2024-08-098-K
    5.02Departure/Election of Directors or Officers
    Filing ↗
  44. 2024-07-2610-Q
    Quarterly report · period ended 2024-06-30
    Filing ↗
  45. 2024-07-268-K
    2.02Results of Operations (Earnings)9.01Financial Statements and Exhibits
    Press release ↗Filing ↗
  46. 2024-06-268-K
    5.02Departure/Election of Directors or Officers5.07Submission of Matters to a Shareholder Vote9.01Financial Statements and Exhibits
    Filing ↗
  47. 2024-06-048-K
    5.02Departure/Election of Directors or Officers7.01Regulation FD Disclosure9.01Financial Statements and Exhibits
    Filing ↗
  48. 2024-05-21DEFA14A
    Additional proxy materials
    Filing ↗
  49. 2024-04-29ARS
    Annual report to shareholders · period ended 2023-12-31
    Filing ↗
  50. 2024-04-29DEFA14A
    Additional proxy materials
    Filing ↗
  51. 2024-04-29DEF 14A
    Proxy statement
    Filing ↗
  52. 2024-04-2610-Q
    Quarterly report · period ended 2024-03-31
    Filing ↗
  53. 2024-04-268-K
    2.02Results of Operations (Earnings)9.01Financial Statements and Exhibits
    Press release ↗Filing ↗
  54. 2024-04-258-K
    7.01Regulation FD Disclosure9.01Financial Statements and Exhibits
    Filing ↗
  55. 2024-04-198-K
    7.01Regulation FD Disclosure
    Filing ↗
  56. 2024-04-19S-4/A
    Merger registration (amended)
    Filing ↗
  57. 2024-04-198-K
    1.01Entry into a Material Agreement9.01Financial Statements and Exhibits
    Filing ↗
  58. 2024-04-1710-K/A
    Annual report (amended) · period ended 2023-12-31
    Filing ↗
  59. 2024-04-168-K
    7.01Regulation FD Disclosure9.01Financial Statements and Exhibits
    Filing ↗
  60. 2024-04-038-K
    5.02Departure/Election of Directors or Officers9.01Financial Statements and Exhibits
    Filing ↗
  61. 2024-04-028-K
    7.01Regulation FD Disclosure9.01Financial Statements and Exhibits
    Filing ↗
  62. 2024-03-29S-4/A
    Merger registration (amended)
    Filing ↗
  63. 2024-03-278-K
    5.02Departure/Election of Directors or Officers9.01Financial Statements and Exhibits
    Filing ↗
  64. 2024-03-018-K
    8.01Other Events9.01Financial Statements and Exhibits
    Filing ↗
  65. 2024-02-29424B5
    Prospectus supplement
    Filing ↗
  66. 2024-02-27424B5
    Prospectus supplement
    Filing ↗
  67. 2024-02-26S-4
    Merger registration
    Filing ↗
  68. 2024-02-218-K
    7.01Regulation FD Disclosure9.01Financial Statements and Exhibits
    Filing ↗
  69. 2024-02-1610-K
    Annual report · period ended 2023-12-31
    Filing ↗
  70. 2024-02-168-K
    5.02Departure/Election of Directors or Officers
    Filing ↗
  71. 2024-02-028-K
    2.02Results of Operations (Earnings)9.01Financial Statements and Exhibits
    Press release ↗Filing ↗
  72. 2024-01-258-K
    5.02Departure/Election of Directors or Officers
    Filing ↗
  73. 2023-12-208-K
    1.01Entry into a Material Agreement7.01Regulation FD Disclosure9.01Financial Statements and Exhibits
    Filing ↗
  74. 2023-11-20S-8
    Employee stock plan registration
    Filing ↗
  75. 2023-10-2710-Q
    Quarterly report · period ended 2023-09-30
    Filing ↗
  76. 2023-10-278-K
    2.02Results of Operations (Earnings)9.01Financial Statements and Exhibits
    Press release ↗Filing ↗
  77. 2023-10-248-K
    1.01Entry into a Material Agreement1.02Termination of a Material Agreement2.03Creation of a Direct Financial Obligation9.01Financial Statements and Exhibits
    Filing ↗

Filings the company made itself, as EDGAR lists them; the documents stay on EDGAR. An 8-K is a current report, its item codes read from the filing metadata and coloured by materiality: high bankruptcy, delisting, restatement, change of control · material earnings, M&A, leadership · routine exhibits, Reg FD, votes. Insider trades (Form 4) are on Insiders; 13D/13G and 13F holders on Ownership.