Aon plc — Director's Dealing 2026

Feb 19, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Aon plc (AON)
CIK: 0000315293
Period of Report: 2026-02-17

Reporting Person: Case Gregory C (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-17	Class A Ordinary Stock	M	2357	—	Acquired	941138.593	Direct
2026-02-17	Class A Ordinary Stock	F	1001.695	$325.96	Disposed	940136.898	Direct
2026-02-17	Class A Ordinary Stock	G	3214	—	Disposed	936922.898	Direct
2026-02-17	Class A Ordinary Stock	G	3214	—	Disposed	933708.898	Direct
2026-02-17	Class A Ordinary Stock	G	3214	—	Acquired	132243	Indirect
2026-02-17	Class A Ordinary Stock	G	3214	—	Acquired	132243	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-17	Restricted Share Unit (Right to Receive)	$	M	2357	Disposed	2026-02-17	Class A Ordinary Shares (2357)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Ordinary Stock	163964	Indirect
Class A Ordinary Stock	163963	Indirect
Class A Ordinary Stock	37412	Indirect
Class A Ordinary Stock	73240	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 withholding 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 February 17, 2023 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.