# EDGAR Filing Document

**Accession Number:** 0000315293
**File Stem:** 0001209191-23-009320
**Filing Date:** 2023-2
**Character Count:** 6800
**Document Hash:** 4dbf355fe56ebbe2a1aca0888adbcfbe
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001209191-23-009320.hdr.sgml**: 20230214

**ACCESSION NUMBER**: 0001209191-23-009320

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20230210

**FILED AS OF DATE**: 20230214

**DATE AS OF CHANGE**: 20230214

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Andersen Eric
- **CENTRAL INDEX KEY:** 0001697695

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-07933
- **FILM NUMBER:** 23632356

**MAIL ADDRESS:**
- **STREET 1:** 200 EAST RANDOLPH ST.
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60601
**ISSUER**: 

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

**BUSINESS ADDRESS:**
- **STREET 1:** METROPOLITAN BUILDING
- **STREET 2:** JAMES JOYCE STREET
- **CITY:** DUBLIN 1
- **STATE:** L2
- **ZIP:** D01 K0Y8
- **BUSINESS PHONE:** 35312666000

**MAIL ADDRESS:**
- **STREET 1:** METROPOLITAN BUILDING
- **STREET 2:** JAMES JOYCE STREET
- **CITY:** DUBLIN 1
- **STATE:** L2
- **ZIP:** D01 K0Y8

**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

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

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] 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**<sup>*</sup><br>Andersen Eric<br><sub>(Last) (First) (Middle)</sub><br>200 EAST RANDOLPH ST.<br><sub>(Street)</sub><br>CHICAGO, IL <br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-02-10 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_President_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Aon plc [ AON ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<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

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Class A Ordinary Stock | 2023-02-10 |  | M<sup>(1)</sup> |  | 763 | A | <sup>(1)</sup> | 124567.9733<sup>(2)</sup> | D |  |
| Class A Ordinary Stock | 2023-02-10 |  | F<sup>(3)</sup> |  | 258 | D | $317.82 | 124309.9733 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Restrictive Share Unit Right to Receive) | <sup>(4)</sup> | 2023-02-10 |  | M |  |  | 763 | <sup>(5)</sup> | 2024-02-11<sup>(5)</sup> | Class A Ordinary Shares | 763 | $0.00 | 763 | D |  |

---

### Footnotes:

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

(2) Includes shares acquired under Aon employee stock purchase plan on June 30, 2022 and on December 30, 2022.

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

(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 US$0.01 per share issued to the reporting person.

(5) A restricted share unit award was granted on February 11, 2021 and vests in accordance with the terms of the Aon plc 2011 Incentive Compensation Plan: 33 1/3% of the award vests on each of the first through third anniversary of the date of grant.

**Signature:** /s/ Julie Cho - Julie Cho pursuant to a power ofattorney from Eric Andersen  
**Date:** 2023-02-14

### 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.**