aon-20260130
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d)
of the Securities Exchange Act of 1934
Date of report (Date of earliest event reported): January 30, 2026
Aon plc
(Exact Name of Registrant as Specified in Charter)
| Ireland | 1-7933 | 98-1539969 | ||||||||||||
| (State or Other Jurisdiction of Incorporation) | (Commission File Number) | (IRS Employer Identification No.) | ||||||||||||
15 George's Quay, Dublin 2, Ireland | D02 VR98 | |||||||||||||
(Address of principal executive offices) | (Zip Code) | |||||||||||||
Registrant’s telephone number, including area code: +353 1 266 6000
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
| Title of each class | Trading Symbol(s) | Name of each exchange on which registered | ||||||||||||
| Class A Ordinary Shares $0.01 nominal value | AON | New York Stock Exchange | ||||||||||||
| Guarantees of Aon plc’s 2.875% Senior Notes due 2026 | AON26 | New York Stock Exchange | ||||||||||||
Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.850% Senior Notes due 2027 | AON27 | New York Stock Exchange | ||||||||||||
| Guarantees of Aon North America, Inc.'s 5.125% Senior Notes due 2027 | AON27B | New York Stock Exchange | ||||||||||||
| Guarantees of Aon North America, Inc.'s 5.150% Senior Notes due 2029 | AON29 | New York Stock Exchange | ||||||||||||
| Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.050% Senior Notes due 2031 | AON31 | New York Stock Exchange | ||||||||||||
| Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.600% Senior Notes due 2031 | AON31A | New York Stock Exchange | ||||||||||||
| Guarantees of Aon North America, Inc.'s 5.300% Senior Notes due 2031 | AON31B | New York Stock Exchange | ||||||||||||
| Guarantees of Aon Corporation and Aon Global Holdings plc’s 5.000% Senior Notes due 2032 | AON32 | New York Stock Exchange | ||||||||||||
| Guarantees of Aon Corporation and Aon Global Holdings plc's 5.350% Senior Notes due 2033 | AON33 | New York Stock Exchange | ||||||||||||
| Guarantees of Aon North America, Inc.'s 5.450% Senior Notes due 2034 | AON34 | New York Stock Exchange | ||||||||||||
| Guarantees of Aon plc’s 4.250% Senior Notes due 2042 | AON42 | New York Stock Exchange | ||||||||||||
| Guarantees of Aon plc’s 4.450% Senior Notes due 2043 | AON43 | New York Stock Exchange | ||||||||||||
| Guarantees of Aon plc’s 4.600% Senior Notes due 2044 | AON44 | New York Stock Exchange | ||||||||||||
| Guarantees of Aon plc’s 4.750% Senior Notes due 2045 | AON45 | New York Stock Exchange | ||||||||||||
| Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.900% Senior Notes due 2051 | AON51 | New York Stock Exchange | ||||||||||||
| Guarantees of Aon Corporation and Aon Global Holdings plc’s 3.900% Senior Notes due 2052 | AON52 | New York Stock Exchange | ||||||||||||
| Guarantees of Aon North America, Inc.'s 5.750% Senior Notes due 2054 | AON54 | New York Stock Exchange | ||||||||||||
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company o
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o
2
Item 2.02. Results of Operations and Financial Condition.
On January 30, 2026, Aon plc issued a press release (the “Press Release”) announcing its results of operations for the quarter and year ended December 31, 2025.
A copy of the Press Release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.
Item 9.01. Financial Statements and Exhibits.
(a) - (c) Not applicable.
(d) Exhibits:
| Exhibit Number | Description of Exhibit | |||||||||||||
| 99.1 | ||||||||||||||
| 104 | Cover Page Interactive Data File (formatted as Inline XBRL) | |||||||||||||
3
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
| Aon plc | |||||||||||
| By: | /s/ David DeBrunner | ||||||||||
| David DeBrunner | |||||||||||
| Senior Vice President, Global Controller and Chief Accounting Officer | |||||||||||
| Date: | January 30, 2026 | ||||||||||
4