Christa Davies - Feb 11, 2022 Form 4 Insider Report for Aon plc (AON)

Role: Chief Financial Officer
Signature: /s/ Julie Cho - Julie Cho pursuant to a power of attorney from Christa Davies
Stock symbol: AON
Transactions as of: Feb 11, 2022
Transactions value $: -$410,171
Form type: 4
Date filed: 2/15/2022, 06:36 PM
Previous filing: Jun 10, 2021
Next filing: Feb 17, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AON	Class A Ordinary Stock	Options Exercise		+1.02K	+0.51%		201K	Feb 11, 2022	Direct	F1
transaction	AON	Class A Ordinary Stock	Tax liability	-$114K	-401	-0.2%	$283.42	200K	Feb 11, 2022	Direct	F2
transaction	AON	Class A Ordinary Stock	Sale	-$175K	-616	-0.31%	$283.72	200K	Feb 14, 2022	Direct	F3
transaction	AON	Class A Ordinary Stock	Options Exercise		+1.1K	+0.55%		201K	Feb 14, 2022	Direct	F1
transaction	AON	Class A Ordinary Stock	Tax liability	-$122K	-435	-0.22%	$279.88	200K	Feb 14, 2022	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	-1.02K	-33.31%	$0.00	2.04K	Feb 11, 2022	Class A Ordinary Shares	1.02K		Direct	F4, F5
transaction	AON	Restrictive Share Unit (Right to Receive)	Options Exercise	$0	-1.1K	-100%	$0.00^*	0	Feb 14, 2022	Class A Ordinary Shares	1.1K		Direct	F4, F6

* 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 withholding taxes in connection with the vesting of the award.
F3	The transaction reported was effected pursuant to a trading plan meeting the requirements of SEC Rule 10b5-1 entered into on November 23, 2021.
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 US$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: 33 1/3% of the award vests on each of the first through third anniversary of the date of grant.
F6	A restricted share unit award was granted on February 14, 2019 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 grant.