Lester B. Knight - 10 Feb 2026 Form 4 Insider Report for Aon plc (AON)

Role: Director
Signature: /s/ Colby Alexis - Colby Alexis pursuant to a power of attorney from Lester Knight
Issuer symbol: AON
Transactions as of: 10 Feb 2026
Net transactions value: +$1,276,956
Form type: 4
Filing time: 12 Feb 2026, 16:34:45 UTC
Previous filing: 09 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
KNIGHT LESTER B	Director	200 EAST RANDOLPH ST., CHICAGO	/s/ Colby Alexis - Colby Alexis pursuant to a power of attorney from Lester Knight	12 Feb 2026	0001023262

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AON	Class A Ordinary Stock	Purchase	$1,276,956	+4,000	+2.9%	$319.24	143,000	10 Feb 2026	By Family Partnership	F1
holding	AON	Class A Ordinary Stock						3,739	10 Feb 2026	Direct
holding	AON	Class A Ordinary Stock						124,604	10 Feb 2026	By Wife
holding	AON	Class A Ordinary Stock						26,033	10 Feb 2026	Personal Revocable Trust

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

Explanation of Responses:

Id	Content
F1	The price reported is a weighted average price. Shares were purchased in a series of transactions within the same trading day at prices ranging from $319.00 to $319.47, inclusive. Full information regarding the number of shares purchased at each separate price is available upon request by the Commission staff, the issuer, or a security holder of the issuer