Christa Davies - 09 Feb 2024 Form 4 Insider Report for Aon plc (AON)

Role: Chief Financial Officer
Signature: /s/ Colby Alexis - Colby Alexis pursuant to a power of attorney from Christa Davies
Issuer symbol: AON
Transactions as of: 09 Feb 2024
Net transactions value: -$6,545,621
Form type: 4
Filing time: 13 Feb 2024, 18:38:36 UTC
Previous filing: 28 Jul 2023
Next filing: 20 Feb 2024
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		+1,018	+0.57%		180,589	09 Feb 2024	Direct	F1
transaction	AON	Class A Ordinary Stock	Tax liability	$125,202	-401	-0.22%	$312.56	180,188	09 Feb 2024	Direct	F2
transaction	AON	Class A Ordinary Stock	Sale	$2,097,252	-6,749	-3.7%	$310.75	173,439	12 Feb 2024	Direct	F3
transaction	AON	Class A Ordinary Stock	Sale	$4,000,468	-12,836	-7.4%	$311.66	160,603	12 Feb 2024	Direct	F4
transaction	AON	Class A Ordinary Stock	Sale	$322,699	-1,033	-0.64%	$312.39	159,570	12 Feb 2024	Direct	F5

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	-1,018	-100%	$0.000000^*	0	09 Feb 2024	Class A Ordinary Shares	1,018		Direct	F6, F7

* 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 price reported is a weighted average price. Shares were sold in a series of transactions within the same trading day at prices ranging from $310.17 to $311.15, inclusive. Full information regarding the number of shares sold at each separate price is available upon request by the Commission staff, the issuer, or a security holder of the issuer.
F4	The price reported is a weighted average price. Shares were sold in a series of transactions within the same trading day at prices ranging from $311.18 to $312.04, inclusive. Full information regarding the number of shares sold at each separate price is available upon request by the Commission staff, the issuer, or a security holder of the issuer.
F5	The price reported is a weighted average price. Shares were sold in a series of transactions within the same trading day at prices ranging from $312.21 to $312.53, inclusive. Full information regarding the number of shares sold at each separate price is available upon request by the Commission staff, the issuer, or a security holder of the issuer.
F6	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.
F7	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.