Michael Neller - 16 Sep 2022 Form 4 Insider Report for Aon plc (AON)

Role: Principal Accounting Officer
Signature: /s/ Julie Cho - Julie Cho pursuant to a power of attorney from Michael Neller
Issuer symbol: AON
Transactions as of: 16 Sep 2022
Net transactions value: -$23,001
Form type: 4
Filing time: 20 Sep 2022, 16:54:05 UTC
Previous filing: 09 Aug 2022
Next filing: 14 Feb 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AON	Class A Ordinary Stock	Options Exercise		+187	+9.7%		2,115	16 Sep 2022	Direct	F1
transaction	AON	Class A Ordinary Stock	Tax liability	$23,001	-83	-3.9%	$277.12	2,032	16 Sep 2022	Direct	F2
holding	AON	Class A Ordinary Stock						2,636	16 Sep 2022	By LLC

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	-187	-33%	$0.000000	375	16 Sep 2022	Class A Ordinary Shares	187		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 September 17, 2021 and vests in accordance with the terms of the Aon plc 2011 Incentive Compensation Plan: 33 1/3% of the award vests on each of the first through third anniversary of the date of the grant.