Aon plc — All Filings
1,000 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
All
10-K
10-K/A
10-K405
10-Q
10-Q/A
11-K
11-K/A
13F-HR
13F-HR/A
144
15-12B
15-15D
25
25-NSE
3
3/A
4
4/A
424B3
424B5
425
5
8-A12B
8-K
8-K/A
8-K12B
ARS
CERT
CERTNYS
CORRESP
CT ORDER
DEF 14A
DEFA14A
DEFM14A
EFFECT
FWP
IRANNOTICE
NO ACT
POS AM
PRE 14A
PREM14A
PRER14A
S-3
S-3/A
S-3ASR
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC 14D1
SC 14D1/A
SC 14F1
SC TO-C
SC TO-I
SC TO-I/A
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4 | 4 | 0000950170-25-091730 | Jun 30, 2025 | Jun 26, 2025 |
| 4 | 4 | 0000950170-25-091704 | Jun 30, 2025 | Jun 26, 2025 |
| 4 | 4 | 0000950170-25-091784 | Jun 30, 2025 | Jun 26, 2025 |
| 4 | 4 | 0000950170-25-091717 | Jun 30, 2025 | Jun 26, 2025 |
| 4 | 4 | 0000950170-25-091720 | Jun 30, 2025 | Jun 26, 2025 |
| 4 | 4 | 0000950170-25-091796 | Jun 30, 2025 | Jun 26, 2025 |
| 4 | 4 | 0000950170-25-091731 | Jun 30, 2025 | Jun 26, 2025 |
| 4 | 4 | 0000950170-25-091710 | Jun 30, 2025 | Jun 26, 2025 |
| 4 | 4 | 0000950170-25-091734 | Jun 30, 2025 | Jun 26, 2025 |
| 4 | 4 | 0000950170-25-091777 | Jun 30, 2025 | Jun 26, 2025 |
| 4 | 4 | 0000950170-25-091706 | Jun 30, 2025 | Jun 26, 2025 |
| 4 | 4 | 0000950170-25-080402 | Jun 2, 2025 | May 29, 2025 |
| SCHEDULE 13G/A | — | 0000912938-25-000061 | May 14, 2025 | — |
| ARS | ARS | 0001193125-25-100657 | Apr 28, 2025 | Dec 31, 2024 |
| DEF 14A | DEF 14A | 0001193125-25-100564 | Apr 28, 2025 | Jun 27, 2025 |
| DEFA14A | DEFA14A | 0001193125-25-100572 | Apr 28, 2025 | — |
| 8-K | 8-K | 0001628280-25-019780 | Apr 25, 2025 | — |
| 10-Q | 10-Q | 0001628280-25-019927 | Apr 25, 2025 | Mar 31, 2025 |
| 8-K | 8-K | 0001193125-25-078036 | Apr 10, 2025 | Apr 7, 2025 |
| 3 | 3 | 0000950170-25-045249 | Mar 26, 2025 | Mar 17, 2025 |
| 3 | 3 | 0000950170-25-045252 | Mar 26, 2025 | Mar 17, 2025 |
| 4 | 4 | 0000950170-25-044637 | Mar 25, 2025 | Mar 14, 2025 |
| 8-K | 8-K | 0001193125-25-055237 | Mar 17, 2025 | Mar 14, 2025 |
| 8-K | 8-K | 0001193125-25-053530 | Mar 13, 2025 | — |
| 4 | 4 | 0000950170-25-025772 | Feb 24, 2025 | Feb 21, 2025 |
| 4 | 4 | 0000950170-25-023526 | Feb 19, 2025 | Feb 18, 2025 |
| 4 | 4 | 0000950170-25-022626 | Feb 18, 2025 | Feb 13, 2025 |
| 10-K | 10-K | 0001628280-25-006093 | Feb 18, 2025 | Dec 31, 2024 |
| 4 | 4 | 0000950170-25-022635 | Feb 18, 2025 | Feb 13, 2025 |
| 4 | 4 | 0000950170-25-022611 | Feb 18, 2025 | Feb 13, 2025 |
| 4 | 4 | 0000950170-25-022619 | Feb 18, 2025 | Feb 13, 2025 |
| 4 | 4 | 0000950170-25-022658 | Feb 18, 2025 | Feb 13, 2025 |
| 4 | 4 | 0000950170-25-022620 | Feb 18, 2025 | Feb 13, 2025 |
| 4 | 4 | 0000950170-25-022631 | Feb 18, 2025 | Feb 13, 2025 |
| 144 | — | 0001959173-25-000830 | Feb 10, 2025 | — |
| 8-K | 8-K | 0001628280-25-003243 | Jan 31, 2025 | — |
| 4 | 4 | 0000950170-24-132235 | Dec 2, 2024 | Nov 27, 2024 |
| 4 | 4 | 0000950170-24-131897 | Nov 29, 2024 | Nov 26, 2024 |
| 144 | — | 0001959173-24-008238 | Nov 27, 2024 | — |
| 144 | — | 0001959173-24-008204 | Nov 26, 2024 | — |
| 4 | 4 | 0000950170-24-128844 | Nov 19, 2024 | Nov 15, 2024 |
| SC 13G | SEC SCHEDULE 13G | 0001422849-24-000055 | Nov 13, 2024 | — |
| 8-K | 8-K | 0001628280-24-043701 | Oct 25, 2024 | — |
| 10-Q | 10-Q | 0001628280-24-043809 | Oct 25, 2024 | Sep 30, 2024 |
| 4 | 4 | 0000950170-24-108130 | Sep 19, 2024 | Sep 17, 2024 |
| 4 | 4 | 0000950170-24-108123 | Sep 19, 2024 | Sep 17, 2024 |
| 4 | 4 | 0000950170-24-107268 | Sep 17, 2024 | Sep 13, 2024 |
| 4 | 4 | 0000950170-24-101846 | Aug 29, 2024 | Aug 28, 2024 |
| 3 | 3 | 0000950170-24-100619 | Aug 26, 2024 | Aug 15, 2024 |
| 4 | 4 | 0000950170-24-097074 | Aug 14, 2024 | Aug 12, 2024 |