Welcome to our dedicated page for Aon Plc SEC filings (Ticker: AON), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The Aon plc (NYSE: AON) SEC filings page on Stock Titan provides direct access to the company’s regulatory disclosures, along with AI-powered summaries that help explain complex documents. Aon files a range of reports with the U.S. Securities and Exchange Commission, including Form 8-K current reports, Form 10-K annual reports and Form 10-Q quarterly reports, as well as registration and delisting documents for its debt securities.
Through recent Form 8-K filings, Aon reports on topics such as quarterly and year-to-date financial results, segment performance in Risk Capital and Human Capital, executive employment agreements and compensation arrangements, director appointments, restructuring and incentive plans, and strategic transactions like the sale of a significant majority of certain NFP wealth businesses. Other 8-Ks describe capital structure and financing matters, including guarantees of multiple series of senior notes listed on the New York Stock Exchange under symbols such as AON25, AON26, AON27, AON29 and longer-dated issues.
Filings also cover governance and shareholder actions, including annual general meeting results, amendments to the Aon plc 2011 Incentive Plan and changes in board composition. A Form 25 filing documents the removal from listing and registration of 3.875% Senior Notes due 2025 from the NYSE, while other disclosures describe planned redemptions and delistings of additional notes. These documents give investors insight into Aon’s capital management and debt profile.
On Stock Titan, users can review these filings as they are updated from EDGAR and rely on AI-generated highlights to quickly identify key points such as segment trends, executive compensation terms, incentive plan changes and note redemption details. The page also surfaces insider- and executive-related disclosures contained in Forms 8-K and proxy-related materials, helping readers understand how governance, compensation and capital decisions intersect with Aon’s broader Risk Capital and Human Capital strategy.
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.
Aon plc General Counsel Darren Zeidel reported an open-market sale of 5,040 shares of Class A ordinary stock at $325.79 per share. After this transaction, he continues to hold 20,254.099 shares directly. The sale was effected under a pre-arranged Rule 10b5-1 trading plan entered into on November 5, 2025.