Aon general counsel sells 5,040 company shares

Aon plc General Counsel Darren Zeidel reported an open-market sale of 5,040 shares of Class A ordinary stock at $325.79 per share.

Rhea-AI Filing Summary

Aon plc General Counsel Darren Zeidel reported an open-market sale of 5,040 shares of Class A ordinary stock at $325.79 per share. After this transaction, he continues to hold 20,254.099 shares directly. The sale was effected under a pre-arranged Rule 10b5-1 trading plan entered into on November 5, 2025.

Insider Trade Summary

Net Seller: 5,040 shares

Net Sell 1 txn

Insider Zeidel Darren

Role General Counsel

Sold 5,040 shs ($1.64M)

Type	Security	Shares	Price	Value
Sale	Class A Ordinary Stock	5,040	$325.79	$1.64M

Holdings After Transaction: Class A Ordinary Stock — 20,254.099 shares (Direct)

Footnotes (1)

1. F1. The transaction reported was effected pursuant to a trading plan meeting the requirements of SEC Rule 10b5-1 entered into on November 5, 2025.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Aon (AON) report for Darren Zeidel?

Aon reported that General Counsel Darren Zeidel sold 5,040 shares of Class A ordinary stock in an open-market transaction at $325.79 per share, according to a Form 4 insider trading disclosure filed with regulators.

At what price did Aon (AON) General Counsel Darren Zeidel sell shares?

General Counsel Darren Zeidel sold Aon shares at $325.79 per share. This price reflects the execution level for the 5,040-share open-market sale disclosed, providing investors insight into the approximate trading level tied to this insider transaction.

How many Aon (AON) shares does Darren Zeidel hold after the reported sale?

Following the reported sale, General Counsel Darren Zeidel directly holds 20,254.099 Aon Class A ordinary shares. This remaining ownership level is disclosed in the Form 4 and reflects his direct holdings after the 5,040-share disposition.

Was the Aon (AON) insider sale made under a Rule 10b5-1 plan?

Yes. The filing states the transaction was executed under a Rule 10b5-1 trading plan entered into on November 5, 2025. Such plans allow insiders to prearrange trades, helping separate personal trading decisions from day-to-day corporate developments.

What type of security did Darren Zeidel sell in the Aon (AON) Form 4 filing?

The Form 4 reports a sale of Class A ordinary stock of Aon plc. This is a non-derivative equity security, meaning the transaction involved actual company shares rather than options, warrants, or other derivative instruments.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/19/2026 - 05:00 PM EST 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).

X

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^*

Zeidel Darren

(Last) (First) (Middle)

200 EAST RANDOLPH ST.

(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)
	General Counsel

3. Date of Earliest Transaction (Month/Day/Year)
02/17/2026

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	02/17/2026		S		5,040	D	$325.79(1)	20,254.099	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

Explanation of Responses:

1. The transaction reported was effected pursuant to a trading plan meeting the requirements of SEC Rule 10b5-1 entered into on November 5, 2025.

	/s/ Colby Alexis - Colby Alexis pursuant to a power of attorney from Darren Zeidel	02/19/2026
	** 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.