Lisa Stevens - Feb 9, 2024 Form 4 Insider Report for Aon plc (AON)

Role: Chief People Officer
Signature: /s/ Colby Alexis - Colby Alexis pursuant to a Power of Attorney from Lisa Stevens
Stock symbol: AON
Transactions as of: Feb 9, 2024
Transactions value $: -$61,060
Form type: 4
Date filed: 2/13/2024, 06:30 PM
Previous filing: Feb 24, 2023
Next filing: Feb 20, 2024

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AON	Class A Ordinary Stock	Options Exercise		+509	+3.86%		13.7K	Feb 9, 2024	Direct	F1, F2
transaction	AON	Class A Ordinary Stock	Tax liability	-$61.1K	-195	-1.43%	$312.56	13.5K	Feb 9, 2024	Direct	F3

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	-509	-100%	$0.00^*	0	Feb 9, 2024	Class A Ordinary Shares	509		Direct	F4, F5

* 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	Includes shares acquired under Aon employee stock purchase plan on June 30, 2023 and December 29, 2023.
F3	Class A Ordinary Shares withheld by the issuer for payment of taxes in connection with the award.
F4	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.
F5	A restricted share unit award was granted on February 11, 2021 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.