What does the 186.235 Aon (AON) share disposition represent?

The 186.235 Class A Ordinary Shares represent withholding for taxes on the equity award. The shares were withheld by Aon at $315.95 per share to satisfy tax liabilities, classified as a tax-withholding disposition rather than an open-market sale by the director.

Why does the Aon (AON) filing mention a nominal value of US $0.01 per share?

The nominal value of US $0.01 per share reflects an Irish law requirement. The footnote explains the director agreed to pay this nominal amount to Aon for each granted share, even though the grant itself is compensation rather than a market purchase.

Aon (NYSE: AON) director reports 776-share grant and 186-share tax withholding

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Aon plc director Sarah G. Smith reported routine equity compensation and related tax withholding. She received a grant of 776 Class A Ordinary Shares as the annual award for non-employee directors, agreeing under Irish law to pay the issuer the nominal value of US $0.01 per share. To cover taxes on this award, 186.235 Class A Ordinary Shares were withheld by Aon at a price of $315.95 per share rather than sold on the open market. After these transactions, Smith holds 2,299.97 Class A Ordinary Shares directly and 13 additional shares indirectly through a trust.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider SMITH SARAH G

Role null

Type	Security	Shares	Price	Value
Grant/Award	Class A Ordinary Stock	776	$0.00	--
Tax Withholding	Class A Ordinary Stock	186.235	$315.95	$59K
holding	Class A Ordinary Stock	--	--	--

Holdings After Transaction: Class A Ordinary Stock — 2,299.97 shares (Direct, null); Class A Ordinary Stock — 13 shares (Indirect, By Trust)

Footnotes (1)

Class A Ordinary Shares granted annually to each non-employee director of Aon plc. In accordance with Irish law, reporting person agreed to pay the issuer the nominal value of US $0.01 per share issued to the reporting person. Class A Ordinary Shares withheld by the issuer for payment of taxes in connection with the award.

Key Figures

Equity grant: 776 shares Tax withholding shares: 186.235 shares Withholding price: $315.95 per share +3 more

6 metrics

Equity grant 776 shares Annual Class A Ordinary Shares granted to non-employee director

Tax withholding shares 186.235 shares Shares withheld to pay taxes on award

Withholding price $315.95 per share Price used for 186.235 withheld shares

Direct holdings after 2,299.97 shares Class A Ordinary Shares held directly after transactions

Indirect holdings after 13 shares Class A Ordinary Shares held indirectly by trust

Nominal value US $0.01 per share Amount director agreed to pay Aon for granted shares

Key Terms

Class A Ordinary Shares, non-employee director, tax-withholding disposition, grant/award acquisition, +1 more

5 terms

Class A Ordinary Shares financial

"Class A Ordinary Shares granted annually to each non-employee director of Aon plc."

Class A ordinary shares are a type of ownership stake in a company that typically grants voting rights to shareholders, allowing them to have a say in important company decisions. They often come with priority in receiving dividends or profits, making them attractive to investors seeking influence and potential income. These shares help distinguish different levels of ownership and rights within a company's stock structure.

non-employee director financial

"Class A Ordinary Shares granted annually to each non-employee director of Aon plc."

tax-withholding disposition financial

"transaction_action": "tax-withholding disposition""

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

grant/award acquisition financial

"transaction_action": "grant/award acquisition""

indirect ownership financial

"total_shares_following_transaction": "13.0000", "ownership_type": "indirect""

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 06/29/2026 - 05:27 PM Accepted by SEC EDGAR 06/29/2026 - 05:26 PM

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^*

SMITH SARAH G

(Last)

(First)

(Middle)

200 EAST RANDOLPH ST.

(Street)

CHICAGO

ILLINOIS

60601

(City)

(State)

(Zip)

UNITED STATES

(Country)

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

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

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/25/2026

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

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

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

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class A Ordinary Stock	06/25/2026		A⁽¹⁾		776	A	⁽¹⁾	2,299.97	D
Class A Ordinary Stock	06/25/2026		F⁽²⁾		186.235	D	$315.95	2,113.735	D
Class A Ordinary Stock								13	I	By Trust

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Class A Ordinary Shares granted annually to each non-employee director of Aon plc. In accordance with Irish law, reporting person agreed to pay the issuer the nominal value of US $0.01 per share issued to the reporting person.

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

	/s/ Colby Alexis - Colby Alexis pursuant to a power of attorney from Sarah Smith	06/29/2026
	** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What did Aon (AON) director Sarah G. Smith report in this Form 4?

Sarah G. Smith reported a routine equity grant and related tax withholding. She received 776 Class A Ordinary Shares as a non-employee director award and had 186.235 shares withheld to pay taxes, leaving 2,299.97 shares held directly and 13 held indirectly in a trust.

How many Aon (AON) shares did Sarah G. Smith receive as a grant?

She received a grant of 776 Class A Ordinary Shares. The filing notes this is an annual share grant to each non-employee director, with Smith agreeing to pay the issuer the nominal value of US $0.01 per share in line with Irish law requirements.

How many Aon (AON) shares does Sarah G. Smith own after these transactions?

Following the reported transactions, she holds 2,299.97 Class A Ordinary Shares directly. In addition, she has an indirect holding of 13 shares through a trust, giving a combined reported exposure of 2,312.97 Class A Ordinary Shares in total.

Is this Aon (AON) Form 4 an open-market trade by Sarah G. Smith?

No, the filing shows compensation and tax events, not open-market trading. It reports a grant of 776 shares at no purchase price and a tax-withholding disposition of 186.235 shares, with no open-market buy or sell transactions recorded for this director.