Aon CEO Regions & North America reports 156 RSUs vested in Form 4

Rhea-AI Filing Summary

Aon plc executive Lori Goltermann, CEO, Regions & North America, reported equity transactions in company stock. On 11/21/2025, a restricted share unit award vested, converting 156 Class A Ordinary Shares to common stock. Of these, 68.093 shares were withheld by Aon to cover taxes related to the vesting at a price of $346.51 per share. Following these transactions, Goltermann directly beneficially owned 2,255.494 Class A Ordinary Shares. The restricted share units converted on a 1-for-1 basis under Aon’s 2011 Incentive Compensation Plan, with the award originally granted on November 21, 2022 and vesting in three equal annual installments.

Insider Trade Summary

Net Buyer: 87.907 shares

Net Buy 3 txns

Insider Goltermann Lori

Role CEO, Regions & North America

Type	Security	Shares	Price	Value
Exercise	Restricted Share Unit (Right to Receive)	156	$0.00	$0.00
Exercise	Class A Ordinary Stock	156	$0.00	$0.00
Exercise Price or Tax Liability	Class A Ordinary Stock	68.093	$346.51	$24K

Holdings After Transaction: Restricted Share Unit (Right to Receive) — 0 shares (Direct); Class A Ordinary Stock — 2,255.494 shares (Direct)

Footnotes (5)

1. F1. Class A Ordinary Shares acquired upon the vesting of a restricted share unit award.
2. F2. Class A Ordinary Shares withheld by the issuer for payment of taxes in connection with the vesting of the award.
3. F3. Includes shares acquired under the Aon employee stock purchase plan on June 30, 2025.
4. 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 $0.01 per share issued to the reporting person.
5. F5. A restricted share unit award was granted on November 21, 2022 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.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 11/25/2025 - 08:24 AM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Goltermann Lori

(Last) (First) (Middle)

200 EAST RANDOLPH STREET

(Street)

CHICAGO IL 60601

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Aon plc [ AON ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CEO, Regions & North America

3. Date of Earliest Transaction (Month/Day/Year)
11/21/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Ordinary Stock	11/21/2025		M(1)		156	A	(1)	2,323.587	D
Class A Ordinary Stock	11/21/2025		F(2)		68.093	D	$346.51	2,255.494(3)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Share Unit (Right to Receive)	(4)	11/21/2025		M			156	11/21/2025(5)	11/21/2025(5)	Class A Ordinary Shares	156	$0	0	D

Explanation of Responses:

1. Class A Ordinary Shares acquired upon the vesting of a restricted share unit award.

2. Class A Ordinary Shares withheld by the issuer for payment of taxes in connection with the vesting of the award.

3. Includes shares acquired under the Aon employee stock purchase plan on June 30, 2025.

4. 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.

5. A restricted share unit award was granted on November 21, 2022 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.

	s/ Colby Alexis - Colby Alexis pursuant to a power of attorney from Lori Goltermann	11/25/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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