# EDGAR Filing Document

**Accession Number:** 0001751049
**File Stem:** 0000950170-25-110086
**Filing Date:** 2025-8
**Character Count:** 7802
**Document Hash:** bcaaaa8acc0a56cd7b9bd51a45f6c3c9
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000950170-25-110086.hdr.sgml**: 20250819

**ACCESSION NUMBER**: 0000950170-25-110086

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20250815

**FILED AS OF DATE**: 20250819

**DATE AS OF CHANGE**: 20250819

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Jenkins Jo Ann
- **CENTRAL INDEX KEY:** 0001751049

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-07933
- **FILM NUMBER:** 251231789

**MAIL ADDRESS:**
- **STREET 1:** 2211 SOUTH 47TH STREET
- **CITY:** PHOENIX
- **STATE:** AZ
- **ZIP:** 85034
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Aon plc
- **CENTRAL INDEX KEY:** 0000315293
- **STANDARD INDUSTRIAL CLASSIFICATION:** INSURANCE AGENTS BROKERS & SERVICES [6411]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 981539969
- **STATE OF INCORPORATION:** L2
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 15 GEORGES QUAY
- **CITY:** DUBLIN 2
- **STATE:** L2
- **ZIP:** D02 VR98
- **BUSINESS PHONE:** 35312666000

**MAIL ADDRESS:**
- **STREET 1:** 15 GEORGES QUAY
- **CITY:** DUBLIN 2
- **STATE:** L2
- **ZIP:** D02 VR98

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AON CORP
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** COMBINED INTERNATIONAL CORP
- **DATE OF NAME CHANGE:** 19870504

## Ex-24

**POWER OF ATTORNEY**

I, Jo Ann Jenkins ("Grantor"), hereby confirm, constitute and appoint each of Darren Zeidel, Colby Alexis, Matthew Cavanaugh, André Rouillard, and Elaine Natsis, or any of them signing singly, and with full power of substitution, as the true and lawful attorney-in-fact of Grantor to:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.prepare, execute in Grantor's name and on Grantor's behalf, and submit to the United States Securities and Exchange Commission (the "SEC") a Form ID, including amendments thereto, and any other documents necessary or appropriate to obtain codes and passwords enabling the undersigned to make electronic filings with the SEC of reports required by Section 16(a) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") or any rule or regulation promulgated by the SEC;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.serve as an Account Administrator for Grantor's account in the SEC's enhanced Electronic Data Gathering, Analysis, and Retrieval System ("EDGAR Next");

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.prepare, execute for and on behalf of Grantor, in Grantor's capacity as an officer, director or greater than ten percent shareholder of Aon plc (the "Company"), acknowledge, deliver and file Forms 3, 4 and 5, including but not limited to any amendments thereto, with the SEC in accordance with Section 16(a) of the Exchange Act, and the rules promulgated thereunder, which may be necessary or desirable as a result of Grantor's ownership of or transaction in securities of the Company; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.do and perform any and all acts for and on behalf of Grantor which, in the discretion of such attorney-in-fact, may be necessary or desirable to complete and execute any such Form 3, 4 or 5 or any amendments thereto, and timely file such forms with the SEC and any other stock exchange or similar authority.

Grantor hereby grants to each such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be done by virtue of this power of attorney and the rights and powers herein granted. Grantor acknowledges that the foregoing attorneys-in-fact, in serving in such capacity at the request of Grantor, are not assuming, nor is the Company assuming, any of Grantor's responsibilities to comply with Section 16 of the Exchange Act.

This Power of Attorney shall be effective on the date set forth below and shall continue in full force and effect until the date on which Grantor shall cease to be subject to Section 16 of the Exchange Act and the rules promulgated thereunder or until such earlier date on which written notification executed by Grantor is filed with the SEC expressly revoking this Power of Attorney.

IN WITNESS WHEREOF, Grantor has caused this Power of Attorney to be executed as of August 15, 2025.

Signature: /s/ Jo Ann Jenkins

Name: Jo Ann Jenkins

------

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

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Jenkins Jo Ann<br><sub>(Last) (First) (Middle)</sub><br>200 EAST RANDOLPH ST.<br><sub>(Street)</sub><br>CHICAGO, IL 60601<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>Aon plc [ AON ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2025-08-15 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director   [ ] 10% Owner<br>[ ] Officer (give title below)   [ ] Other (specify below)<br>_ _ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |
| Class A Ordinary Stock | 0 | D |  |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |

---

**Signature:** /s/ Colby Alexis - Colby Alexis pursuant to a power of attorney from Jo Ann Jenkins  
**Date:** 2025-08-19

### Remarks:

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.**