Aon plc — Director's Dealing 2025

Mar 25, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Aon plc (AON)
CIK: 0000315293
Period of Report: 2025-03-14

Reporting Person: Neller Michael (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-03-14	Class A Ordinary Stock	M	56	—	Acquired	8233.7	Direct
2025-03-14	Class A Ordinary Stock	F	24.808	$398.79	Disposed	8208.892	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-03-14	Restricted Share Unit (right to receive)	$	M	56	Disposed	2027-03-15	Class A Ordinary Shares (56)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Ordinary Stock	2636	Indirect

Footnotes

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 March 15, 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.