Michael Neller - 17 Feb 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: 17 Feb 2022
Net transactions value: -$386,430
Form type: 4
Filing time: 22 Feb 2022, 16:53:21 UTC
Previous filing: 15 Feb 2022
Next filing: 24 Feb 2022
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	Award		+4,138	+997%		4,553	17 Feb 2022	Direct	F1
transaction	AON	Class A Ordinary Stock	Tax liability	$386,430	-1,375	-30%	$281.04	3,178	17 Feb 2022	Direct	F2
holding	AON	Class A Ordinary Stock						3,536	17 Feb 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)	Award	$0	+438		$0.000000	438	17 Feb 2022	Class A Ordinary Shares	438		Direct	F3, F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents Class A Ordinary Shares issued upon the settlement of performance share unit awards originally granted approximately three years ago under the fourteenth cycle of the Company's Leadership Performance Program. The number of shares issued was determined by the Organization and Compensation Committee of the Board of Directors on February 17, 2022, based on the Company's performance for the period from January 1, 2019 to December 31, 2021.
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 US$0.01 per share issued to the reporting person.
F4	The restricted share unit award vests in accordance with the terms of the Aon plc 2011 Incentive Compensation Plan as follows: 33 1/3% of the award vests on each of the first through third anniversary of the date of the grant.