Mindy F. Simon - 14 Nov 2025 Form 4 Insider Report for Aon plc (AON)

Role
Chief Operating Officer
Signature
/s/ Colby Alexis - Colby Alexis pursuant to a power of attorney from Mindy Simon
Issuer symbol
AON
Transactions as of
14 Nov 2025
Net transactions value
-$212,253
Form type
4
Filing time
18 Nov 2025, 16:03:53 UTC
Previous filing
18 Feb 2025
Next filing
17 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Simon Mindy F. Chief Operating Officer 200 EAST RANDOLPH ST., CHICAGO /s/ Colby Alexis - Colby Alexis pursuant to a power of attorney from Mindy Simon 18 Nov 2025 0001925598

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AON Class A Ordinary Stock Options Exercise +1,970 +109% 3,786 14 Nov 2025 Direct F1
transaction AON Class A Ordinary Stock Tax liability $212,253 -606 -16% $350.13 3,179 14 Nov 2025 Direct F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction AON Restricted Share Unit (Right to Receive) Options Exercise $0 -1,970 -100% $0.000000 0 14 Nov 2025 Class A Ordinary Shares 1,970 Direct F3, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Class A Ordinary Shares acquired upon the vesting of a restricted share unit award.
F2 Class A Ordinary Shares withheld by the issuer for payment of taxes in connection with the vesting of the award.
F3 The restricted share unit award converts to Class A Ordinary Shares on a 1-for-1 basis. In accordance with Irish law, the reporting person agreed to pay the issuer the nominal value of US$0.01 per share issued to the reporting person.
F4 A restricted share unit award was granted on November 15, 2022 and vests in accordance with the terms of the Aon plc 2011 Incentive Compensation Plan, as amended and restated: 33 1/3% of the award vests on each of the first through third anniversary of the date of grant.