Form 8-K
8-K — Aon plc
Accession: 0001193125-26-292736
Filed: 2026-07-01
Period: 2026-06-26
CIK: 0000315293
SIC: 6411 (INSURANCE AGENTS BROKERS & SERVICES)
Item: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
Item: Submission of Matters to a Vote of Security Holders
Item: Other Events
Item: Financial Statements and Exhibits
Documents
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8-K
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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): June 26, 2026
Aon plc
(Exact name of registrant as specified in its 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
Not Applicable
(Former name or former address, if changed since last report)
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):
☐
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐
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 Corporation and Aon Global Holdings plc’s 2.85% 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 2.05% Senior Notes due 2031
AON31
New York Stock Exchange
Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.60% 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
Guarantee of Aon Corporation and Aon Global Holdings plc’s 5.00% Senior Notes due 2032
AON32
New York Stock Exchange
Guarantees of Aon Corporation and Aon Global Holdings plc’s 5.35% 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 4.45% 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 2.90% Senior Notes due 2051
AON51
New York Stock Exchange
Guarantees of Aon Corporation and Aon Global Holdings plc’s 3.90% 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 ☐
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. ☐
Item 5.02
Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.
Amendment to International Assignment Letter
On June 26, 2026, Aon Corporation (“Aon Corporation”), an indirect, wholly owned subsidiary of Aon plc (“Aon” or the “Company”), and Gregory C. Case entered into an amendment (the “Case Amendment”) to the international assignment letter agreement dated July 1, 2016 between Aon Corporation and Mr. Case (as amended, the “Case International Assignment Letter”). The Case Amendment extends the term of the Case International Assignment Letter, which was set to expire on June 30, 2026, to expire on June 30, 2027.
The foregoing summary is qualified in its entirety by reference to the Case Amendment, a copy of which is attached as Exhibit 10.1 to this Current Report on Form 8-K and incorporated herein by reference.
Item 5.07
Submission of Matters to a Vote of Security Holders.
The Company held its Annual Meeting of Shareholders (the “Annual Meeting”) on June 26, 2026. A total of 195,430,939 Class A Ordinary Shares of Aon (“Class A Ordinary Shares”), or 91.51% of the total shares entitled to vote, were represented at the Annual Meeting in person or by proxy.
Shareholders voted on the following seven proposals at the Annual Meeting, all of which are described in the Company’s definitive proxy statement for the Annual Meeting filed with the Securities and Exchange Commission on April 28, 2026 (the “Proxy Statement”), and cast their votes as described below:
1.
The election of 13 nominees to serve as directors. All of the nominees were elected.
Nominee
For
Against
Abstain
Broker Non-Votes
Lester B. Knight
165,144,869
15,620,855
1,034,059
13,631,156
Gregory C. Case
179,147,649
1,606,288
1,045,846
13,631,156
Jose Antonio Álvarez
177,731,329
3,014,196
1,054,258
13,631,156
Jin-Yong Cai
174,125,157
6,621,941
1,052,685
13,631,156
Jeffrey C. Campbell
176,879,147
3,873,093
1,047,543
13,631,156
Cheryl A. Francis
169,001,932
11,762,421
1,035,430
13,631,156
Jo Ann Jenkins
180,171,425
578,266
1,050,092
13,631,156
Adriana Karaboutis
177,781,035
2,967,949
1,050,799
13,631,156
Richard C. Notebaert
166,529,875
14,215,327
1,054,581
13,631,156
Gloria Santona
168,182,011
12,583,545
1,034,227
13,631,156
Sarah E. Smith
179,809,187
940,353
1,050,243
13,631,156
Byron O. Spruell
171,612,034
9,128,085
1,059,664
13,631,156
James G. Stavridis
178,830,425
1,909,168
1,060,190
13,631,156
2.
An advisory vote to approve executive compensation. This advisory resolution was not approved.
For
Against
Abstain
Broker Non-Votes
69,888,299
110,798,636
1,112,848
13,631,156
3.
The ratification of the appointment of Ernst & Young LLP as the Company’s independent registered public accounting firm for the year ending December 31, 2026. This ordinary resolution was approved.
For
Against
Abstain
174,935,923
19,452,290
1,042,726
4.
The re-appointment of Ernst & Young Chartered Accountants as the Company’s statutory auditor under Irish law to hold office from the conclusion of the Annual Meeting until the conclusion of the next annual general meeting of shareholders. This ordinary resolution was approved.
For
Against
Abstain
178,371,633
16,018,978
1,040,328
5.
The authorization of the Company’s Board of Directors or the Audit Committee of the Company’s Board of Directors to determine the remuneration of Ernst & Young Chartered Accountants as the Company’s statutory auditor. This ordinary resolution was approved.
For
Against
Abstain
188,174,624
6,222,678
1,033,637
6.
The authorization of the Company’s Board of Directors to issue Class A Ordinary Shares under Irish law for a period expiring on the date which is 18 months from the date of the Annual Meeting. This ordinary resolution was approved.
For
Against
Abstain
189,746,449
4,618,161
1,066,329
7.
The authorization of the Company’s Board of Directors to opt-out of statutory pre-emption rights under Irish law for a period expiring on the date which is 18 months from the date of the Annual Meeting. This special resolution was approved.
For
Against
Abstain
182,606,169
11,750,382
1,074,388
Item 8.01
Other Events.
On June 26, 2026, the Company’s Board of Directors approved an increase to the Company’s share repurchase program, authorizing Aon to buy back an additional $7.5 billion of Class A Ordinary Shares. This is in addition to Aon’s existing share repurchase program, which had approximately $0.8 billion of remaining authorization as of March 31, 2026. The program does not obligate Aon to acquire any particular amount of shares.
* * * *
Item 9.01
Financial Statements and Exhibits.
(d) Exhibits:
Exhibit
Number
Description of Exhibit
10.1
Amendment to International Assignment Letter, dated June 26, 2026, between Aon Corporation and Greg Case.
104
Cover Page Interactive Data File (embedded within the Inline XBRL document).
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/ Darren Zeidel
Name:
Darren Zeidel
Title:
Executive Vice President, General Counsel and Company Secretary
Date: July 1, 2026
EX-10.1
EX-10.1
Filename: d76205dex101.htm · Sequence: 2
EX-10.1
Exhibit 10.1
Gregory Case
Aon Corporation
United States
June 26, 2026
International Assignment Extension: Chicago, Illinois to London, England
Dear Greg,
This letter serves to amend your international
assignment letter effective July 1, 2016, governing the terms of your international assignment from Chicago, Illinois to Aon Global Limited in London, England (your “International Assignment Letter”).
Pursuant to this letter, the term of your international assignment shall be extended an additional one year, through June 30, 2027.
Except as otherwise expressly modified herein, the terms of the International Assignment Letter, and your acknowledgment and acceptance thereof, shall
continue in full force and effect.
Please confirm acceptance of the terms and conditions of this letter by signing below and returning a copy of the
signed letter to me.
Sincerely,
/s/ Lisa Stevens
Lisa Stevens
Chief Administrative
Officer
Acknowledged and Agreed:
/s/ Gregory Case
Gregory Case
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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