Lisa Stevens - 12 Feb 2026 Form 4 Insider Report for Aon plc (AON)

Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
17 Feb 2026, 17:20:50 UTC
Prior SEC filing
24 Feb 2025
Next SEC filing
19 Feb 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Colby Alexis - Colby Alexis pursuant to a power of attorney from Lisa Stevens

Key filing fact

Lisa Stevens filed Form 4 for Aon plc (AON) on 17 Feb 2026.

Key facts

  • This page summarizes Lisa Stevens's Form 4 filing for Aon plc (AON).
  • 9 reported transactions and 3 derivative rows are listed below.
  • Accepted by SEC: 17 Feb 2026, 17:20.

Change

  • Previous filing in this sequence was filed on 24 Feb 2025.
  • Current net transaction value: -$2,680,096.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001792850 Primary reporting owner

Stevens Lisa

Relationship
Chief Administrative Officer
Address
200 EAST RANDOLPH ST., CHICAGO
Signature
/s/ Colby Alexis - Colby Alexis pursuant to a power of attorney from Lisa Stevens
Signature date
17 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

AON transaction

Class A Ordinary Stock

Award

Transaction value
Shares
+15,856
Change %
+93%
Price
Shares after
32,925
Date
12 Feb 2026
Ownership
Direct
Footnotes
F1, F2
AON transaction

Class A Ordinary Stock

Tax liability

Transaction value
$2,380,189
Shares
-7,568
Change %
-23%
Price
$314.49
Shares after
25,357
Date
12 Feb 2026
Ownership
Direct
Footnotes
F3
AON transaction

Class A Ordinary Stock

Options Exercise

Transaction value
Shares
+1,451
Change %
+5.7%
Price
Shares after
26,808
Date
13 Feb 2026
Ownership
Direct
Footnotes
F4
AON transaction

Class A Ordinary Stock

Tax liability

Transaction value
$225,591
Shares
-701
Change %
-2.6%
Price
$321.70
Shares after
26,107
Date
13 Feb 2026
Ownership
Direct
Footnotes
F3
AON transaction

Class A Ordinary Stock

Options Exercise

Transaction value
Shares
+478
Change %
+1.8%
Price
Shares after
26,585
Date
13 Feb 2026
Ownership
Direct
Footnotes
F4
AON transaction

Class A Ordinary Stock

Tax liability

Transaction value
$74,316
Shares
-231
Change %
-0.87%
Price
$321.70
Shares after
26,353
Date
13 Feb 2026
Ownership
Direct
Footnotes
F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

AON transaction Derivative

Restricted Share Unit (Right to Receive)

Award

Transaction value
$0
Shares
+2,059
Change %
Price
$0.000000
Shares after
2,059
Date
12 Feb 2026
Ownership
Direct
Underlying class
Class A Ordinary Shares
Underlying amount
2,059
Exercise price
Footnotes
F5, F6
AON transaction Derivative

Restricted Share Unit (Right to Receive)

Options Exercise

Transaction value
$0
Shares
-1,451
Change %
-100%
Price
$0.000000
Shares after
0
Date
13 Feb 2026
Ownership
Direct
Underlying class
Class A Ordinary Shares
Underlying amount
1,451
Exercise price
Footnotes
F5, F7
AON transaction Derivative

Restricted Share Unit (Right to Receive)

Options Exercise

Transaction value
$0
Shares
-478
Change %
-33%
Price
$0.000000
Shares after
957
Date
13 Feb 2026
Ownership
Direct
Underlying class
Class A Ordinary Shares
Underlying amount
478
Exercise price
Footnotes
F5, F8
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 8 footnotes

Footnote F1

Represents Class A Ordinary Shares issued upon the settlement of performance share unit awards originally granted approximately three years ago under the eighteenth 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 12, 2026, based on the Company's performance for the period from January 1, 2023 to December 31, 2025.

Footnote F2

Includes shares acquired under the Aon employee stock purchase plan on June 30, 2025 and December 31, 2025.

Footnote F3

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

Footnote F4

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

Footnote F5

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.

Footnote F6

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

Footnote F7

A restricted share unit award was granted on February 16, 2023 and vests in accordance with the terms of the Aon plc 2011 Incentive Compensation Plan, as amended and restated: 33 1/3% of the award vests on each of the first through third anniversary of the date of grant.

Footnote F8

A restricted share unit award was granted on February 13, 2025 and vests in accordance with the terms of the Aon plc 2011 Incentive Compensation Plan, as amended and restated: 33 1/3% of the award vests on each of the first through third anniversary of the date of grant.

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