Aon plc filings document the regulatory record of an Ireland-domiciled public company with Class A ordinary shares listed on the New York Stock Exchange. Its Form 8-K reports cover material events and securities information, including registered share classes, senior notes and guarantees associated with Aon plc, Aon Corporation, Aon Global Holdings plc and Aon North America, Inc.
Proxy materials describe board governance, shareholder voting matters, executive compensation and pay-versus-performance disclosures. Form 25 filings document exchange removal and registration withdrawal for maturing or withdrawn senior-note classes, while recurring filings provide formal disclosure on capital structure, governance and public-company reporting obligations.
Aon plc is asking shareholders to vote at its June 26, 2026 annual meeting on 13 director elections, executive pay, auditor appointments, and renewed share issuance authorities under Irish law. The Board recommends voting FOR all seven proposals, including say-on-pay and expanded authority to issue Class A Ordinary Shares and opt out of statutory pre-emption rights.
The proxy highlights 2025 performance with 9% total revenue growth, 6% organic growth, a 25.3% operating margin, and a 32.4% adjusted operating margin. Diluted EPS was $17.02 and adjusted diluted EPS was $17.07, supported by $3.5 billion in operating cash flow and $3.2 billion in free cash flow. Aon returned $1.6 billion to shareholders via buybacks and dividends and completed the sale of most of NFP’s wealth business for over $2 billion. The filing also emphasizes an independent, majority‑independent Board, robust risk and cybersecurity oversight, and a pay‑for‑performance executive compensation program tied to adjusted operating income, adjusted EPS, and people & culture metrics.
Aon PLC: The Vanguard Group filed Amendment No. 10 to a Schedule 13G/A reporting 0% beneficial ownership of Aon PLC common stock. The filing explains an internal realignment on January 12, 2026 that caused certain Vanguard subsidiaries and business divisions to report holdings separately.
The filing states Vanguard has 0 shares and 0% of the class, and it affirms that the subsidiaries pursue the same investment strategies previously used by Vanguard. The amendment is signed by Vanguard’s Head of Global Fund Administration on March 26, 2026.
Aon plc Chief Commercial Officer Anne Corona reported the vesting and exercise of restricted share units into Class A Ordinary Shares. On March 13, 2026, RSU awards converted into 367 shares, reflecting scheduled vesting under Aon’s incentive plan on a 1-for-1 basis.
To cover tax obligations on the vesting, 162.577 shares were withheld by Aon at a reference price of $321.41 per share, rather than being sold in the open market. After these transactions, Corona directly holds 4,194.791 Class A Ordinary Shares of Aon.
Aon plc CEO, Regions & North America Lori Goltermann reported routine equity compensation activity involving restricted share units that vested into Class A Ordinary Shares. She exercised restricted share units to acquire 518 shares and had 225.324 shares withheld by Aon to cover tax obligations, a non-market disposition. After these transactions, she directly holds 6,795.447 Class A Ordinary Shares.
Aon plc executive Andy Marcell reported routine equity compensation activity involving restricted share units (RSUs). On March 13, 2026, RSU awards vested and were converted into a total of 1,630 Class A Ordinary Shares at a conversion price of $0.01 per share under Aon’s incentive plan.
To cover tax obligations related to the vesting, approximately 794 shares were withheld by Aon at a price of $321.41 per share, as described in the footnotes. Following these transactions, Marcell directly holds 8,819.57 Class A Ordinary Shares. No open-market purchases or sales were reported; the filing reflects compensation vesting and associated tax withholding.
Aon plc General Counsel Darren Zeidel reported an open-market sale of 4,300 shares of Class A Ordinary Stock at a weighted average price of $329.7171 per share. After this transaction, he directly owns 15,954.099 Aon shares. The sale was executed through multiple trades within a narrow intraday price range.
AON notice under Rule 144 reports a planned sale of 5,040 Class A shares by Darren E. Zeidel, dated 02/17/2026, with an aggregate sale amount shown as $1,641,981.60.
The filing also lists previously vested restricted shares from 02/13/2020 (1,601 shares) and 02/17/2022 (2,699 shares) in the securities-to-be-sold section.
Aon plc director and CEO Gregory C. Case reported a series of bona fide gift transfers of Class A Ordinary Shares. On February 19, 2026, upon termination of a GRAT, he transferred 15,000 shares in two gifts of 7,500 shares each and 22,412 shares to two separate trusts, each receiving 11,206 shares.
These are non-cash, indirect dispositions classified as gifts, not open-market sales. After these transactions, he continues to hold a substantial direct stake of 933,708.898 Class A shares, along with additional indirect holdings through trusts and a GRAT.
Aon plc Chief Administrative Officer Lisa Stevens reported a small stock gift. On this Form 4, she made a bona fide gift transfer of 32 shares of Aon's Class A Ordinary Stock at a stated price of $0.00 per share, leaving her with 26,321.4907 shares of direct ownership after the transaction.
Aon plc President & CEO Gregory C. Case reported several equity transactions involving Class A Ordinary Shares on February 17, 2026. A restricted share unit award granted on February 17, 2023 vested, and 2,357 restricted share units converted into Class A Ordinary Shares on a 1-for-1 basis, with the nominal value of $0.01 per share paid in accordance with Irish law.
To cover withholding taxes tied to this vesting, 1,001.695 Class A shares were withheld by Aon at a price of $325.9600 per share, which is a tax-withholding disposition rather than an open-market sale. Case also reported several bona fide gifts of Class A shares, including both directly held stock and shares held indirectly "By Trust." After these transactions, he held 933,708.898 Class A shares directly, with additional indirect holdings reported through trusts and GRATs as of that date.