Edmund Reese - Jul 1, 2025 Form 4 Insider Report for Aon plc (AON)

Signature
/s/ Colby Alexis - Colby Alexis pursuant to a power of attorney from Edmund Reese
Stock symbol
AON
Transactions as of
Jul 1, 2025
Transactions value $
-$784,573
Form type
4
Date filed
7/3/2025, 04:05 PM
Previous filing
Feb 18, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Reese Edmund Chief Financial Officer 200 E. RANDOLPH ST., CHICAGO /s/ Colby Alexis - Colby Alexis pursuant to a power of attorney from Edmund Reese 2025-07-03 0001833903

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AON Class A Ordinary Stock Options Exercise +3.98K 3.98K Jul 1, 2025 Direct F1
transaction AON Class A Ordinary Stock Tax liability -$785K -2.2K -55.3% $356.93 1.78K Jul 1, 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 -3.98K -33.33% $0.00 7.95K Jul 1, 2025 Class A Ordinary Shares 3.98K 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 $0.01 per share issued to the reporting person.
F4 A restricted share unit award was granted on July 1, 2024 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.