Form 4 for AON Aon plc

Accepted 2026-02-17 00:00:00 ET · period of report 2026-02-12 · accession 0001193125-26-055079 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
D	2026-02-17	2026-02-12	AON	Corona Anne	Chief Commercial Off	F - Tax	$314.49	-1,405	3,990	-26%	-$441.8K
D	2026-02-17	2026-02-12	AON	Corona Anne	Chief Commercial Off	A - Grant	—	+3,171	5,395	+143%	—
D	2026-02-17	2026-02-12	AON	Corona Anne	Chief Commercial Off	A - Grant	$0.00	+835	835	New	$0

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Class A Ordinary Stock	2026-02-12	F	D	1,404.71	$314.49	3,990.37	D	—	—
2	Common	Class A Ordinary Stock	2026-02-12	A	A	3,171	—	5,395.08	D	—	—	(F1) Represents Class A Ordinary Shares issued upon the settlement of performance share unit awards originally granted approximately three years ago under the eighteenth 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 12, 2026, based on the Company's performance for the period from January 1, 2023 to December 31, 2025.
3	Derivative	Restricted Share Unit (Right to Receive)	2026-02-12	A	A	835	$0.00	835	D	— · — to 2029-02-12	835 Class A Ordinary Shares	(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 $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 amended and restated, as follows: 33 1/3% of the award vests on each of the first through third anniversary of the date of the grant.