# EDGAR Filing Document

**Accession Number:** 0000315293
**File Stem:** 0001209191-23-011390
**Filing Date:** 2023-2
**Character Count:** 7758
**Document Hash:** e74116752dab43ce0086a79c1476a1d2
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001209191-23-011390.hdr.sgml**: 20230221

**ACCESSION NUMBER**: 0001209191-23-011390

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20230216

**FILED AS OF DATE**: 20230221

**DATE AS OF CHANGE**: 20230221

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Weitz Andy
- **CENTRAL INDEX KEY:** 0001786688

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-07933
- **FILM NUMBER:** 23650115

**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>Weitz Andy<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. Date of Earliest Transaction (Month/Day/Year)**<br>2023-02-16 | **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>_Chief Marketing Officer_ |
| **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 | 2023-02-16 |  | A<sup>(1)</sup> |  | 13278 | A | <sup>(1)</sup> | 39297 | D |  |
| Class A Ordinary Stock | 2023-02-16 |  | F<sup>(2)</sup> |  | 4824 | D | $310.25 | 34473 | D |  |
| Class A Ordinary Stock | 2023-02-17 |  | M<sup>(3)</sup> |  | 299 | A | <sup>(3)</sup> | 34772 | D |  |
| Class A Ordinary Stock | 2023-02-17 |  | F<sup>(2)</sup> |  | 118 | D | $310.27 | 34654 | 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 |
| Restricted Share Unit (Right to Receive) | <sup>(4)</sup> | 2023-02-16 |  | A |  | 1886 |  | <sup>(5)</sup> | 2026-02-16<sup>(5)</sup> | Class A Ordinary Shares | 1886 | $0.00 | 1886 | D |  |
| Restricted Share Unit (Right to Receive) | <sup>(4)</sup> | 2023-02-17 |  | M |  |  | 299 | <sup>(6)</sup> | 2025-02-17<sup>(6)</sup> | Class A Ordinary Shares | 299 | $0.00 | 598 | D |  |

---

### Footnotes:

(1) Represents Class A Ordinary Shares issued upon the settlement of performance share unit awards originally granted approximately three years ago under the fifteenth cycle of the Company's Leadership Performance Program. The number of shares issued was determined by the Organization and Compensation Committee of the Board of Directors on February 16, 2023, based on the Company's performance for the period from January 1, 2020 to December 31, 2022.

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

(3) Class A Ordinary Shares acquired upon the vesting of a restricted share unit 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 $0.01 per share issued to the reporting person.

(5) The restricted share unit award vests in accordance with the terms of the Aon plc 2011 Incentive Compensation Plan as follows: 33 1/3% of the award vests on each of the first through third anniversary of the date of the grant.

(6) A restricted share unit award was granted on February 17, 2022 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 of attorney from Andy Weitz  
**Date:** 2023-02-21

### 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.**