Gregory C. Case - 13 Feb 2025 Form 4 Insider Report for Aon plc (AON)

Signature
/s/ Colby Alexis - Colby Alexis pursuant to a power of attorney from Greg Case
Issuer symbol
AON
Transactions as of
13 Feb 2025
Net transactions value
-$16,253,347
Form type
4
Filing time
18 Feb 2025, 19:32:12 UTC
Previous filing
20 Feb 2024
Next filing
17 Feb 2026

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AON Class A Ordinary Stock Award +83,333 +20% 505,164 13 Feb 2025 Direct F1, F2, F3
transaction AON Class A Ordinary Stock Tax liability $14,693,983 -37,649 -7.5% $390.29 467,515 13 Feb 2025 Direct F4
transaction AON Class A Ordinary Stock Award +6,628 +1.4% 474,143 13 Feb 2025 Direct F1
transaction AON Class A Ordinary Stock Tax liability $1,168,705 -2,994 -0.63% $390.29 471,148 13 Feb 2025 Direct F4
transaction AON Class A Ordinary Stock Options Exercise +2,357 +0.5% 473,505 14 Feb 2025 Direct F5
transaction AON Class A Ordinary Stock Tax liability $390,658 -1,009 -0.21% $386.99 472,496 14 Feb 2025 Direct F4
transaction AON Class A Ordinary Stock Gift $0 -977 -0.21% $0.000000 471,519 18 Feb 2025 Direct
transaction AON Class A Ordinary Stock Gift $0 -977 -0.21% $0.000000 470,542 18 Feb 2025 Direct
transaction AON Class A Ordinary Stock Gift $0 -18,478 -50% $0.000000 18,478 14 Feb 2025 By GRAT F2, F6
transaction AON Class A Ordinary Stock Gift $0 -18,478 -100% $0.000000 0 14 Feb 2025 By GRAT F2, F6
transaction AON Class A Ordinary Stock Gift $0 +977 +0.76% $0.000000 129,029 18 Feb 2025 By Trust
transaction AON Class A Ordinary Stock Gift $0 +977 +0.76% $0.000000 129,029 18 Feb 2025 By Trust
transaction AON Class A Ordinary Stock Gift $0 +18,478 +13% $0.000000 163,964 14 Feb 2025 By Trust
transaction AON Class A Ordinary Stock Gift $0 +18,478 +13% $0.000000 163,963 14 Feb 2025 By Trust
holding AON Class A Ordinary Stock 400,000 13 Feb 2025 By GRAT
holding AON Class A Ordinary Stock 136,740 13 Feb 2025 By GRAT F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction AON Restricted Share Unit (Right to Receive) Options Exercise $0 -2,357 -50% $0.000000 2,357 14 Feb 2025 Class A Ordinary Shares 2,357 Direct F7, F8
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents Class A Ordinary Shares issued upon the settlement of performance share unit awards originally granted approximately three years ago under the seventeenth 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 13, 2025, based on the Company's performance for the period from January 1, 2022 to December 31, 2024.
F2 On February 7, 2025 the GRAT returned 186,029 shares to the reporting person as an annuity payment.
F3 On August 5, 2024, the reporting person contributed 136,740 shares previously held as direct to a new GRAT.
F4 Class A Ordinary Shares withheld by the issuer for payment of taxes in connection with the vesting of the award.
F5 Class A Ordinary Shares acquired upon the vesting of a restricted share unit award.
F6 Upon termination of the GRAT on February 14, 2025, the reporting person transferred the remaining 36,956 shares to two separate trusts by gift, each of which acquired 18,478 shares.
F7 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.
F8 A restricted share unit award was granted on February 17, 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.