Gregory C. Case - 10 Feb 2023 Form 4 Insider Report for Aon plc (AON)

Role: Chief Executive Officer, Director
Signature: /s/ Julie Cho - Julie Cho pursuant to a power of attorney from Greg Case
Issuer symbol: AON
Transactions as of: 10 Feb 2023
Net transactions value: -$235,505
Form type: 4
Filing time: 14 Feb 2023, 19:37:47 UTC
Previous filing: 23 May 2022
Next filing: 21 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	Gift	$0	-70,684	-50%	$0.000000	70,683	10 Nov 2022	By GRAT	F1
transaction	AON	Class A Ordinary Stock	Gift	$0	-70,683	-100%	$0.000000^*	0	10 Nov 2022	By GRAT	F1
transaction	AON	Class A Ordinary Stock	Gift	$0	+70,684	+94%	$0.000000	145,486	10 Nov 2022	By Trust	F1
transaction	AON	Class A Ordinary Stock	Gift	$0	+70,683	+94%	$0.000000	145,485	10 Nov 2022	By Trust	F1
transaction	AON	Class A Ordinary Stock	Gift	$0	-16,700	-3.8%	$0.000000	423,855	09 Dec 2022	Direct	F1
transaction	AON	Class A Ordinary Stock	Options Exercise		+1,765	+0.42%		425,620	10 Feb 2023	Direct	F2
transaction	AON	Class A Ordinary Stock	Tax liability	$235,505	-741	-0.17%	$317.82	424,879	10 Feb 2023	Direct	F3
holding	AON	Class A Ordinary Stock						122,000	10 Feb 2023	By Trust
holding	AON	Class A Ordinary Stock						122,000	10 Feb 2023	By Trust
holding	AON	Class A Ordinary Stock						400,000	10 Feb 2023	By GRAT	F1

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	-1,765	-50%	$0.000000	1,765	10 Feb 2023	Class A Ordinary Shares	1,765		Direct	F4, F5

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

Explanation of Responses:

Id	Content
F1	On November 10, 2022, the GRAT returned 141,311 shares to the reporting person as an annuity payment. Also on November 10, 2022, the GRAT transferred 70,684 and 70,683 shares to trusts reported as indirectly owned by the reporting person. On November 29, 2022, the reporting person contributed 400,000 shares previously held as direct to a new GRAT.
F2	Class A Ordinary Shares acquired upon the vesting of a restricted share unit award.
F3	Class A Ordinary Shares withheld by the issuer for payment of taxes in connection with the vesting of 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 US$0.01 per share issued to the reporting person.
F5	A restricted share unit award was granted on February 12, 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.