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.
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 Form 25 filings document exchange removal and registration withdrawal for maturing or withdrawn senior-note classes, while recurring filings provide formal disclosure on capital structure, governance and public-company reporting obligations.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 reported that General Counsel Darren Zeidel sold a total of 1,900 shares of Class A Ordinary Stock on 2026-07-28 in three transactions classified as sales in open market or private transactions, at prices of $376.0000, $378.0000, and $380.0000 per share. These sales were effected pursuant to a trading plan meeting the requirements of SEC Rule 10b5-1 entered into on November 5, 2025.
Aon plc reported Q2 2026 results with total revenue of $4.25 billion, up 2% year over year, and 5% organic revenue growth. Operating income rose to $915 million and operating margin expanded to 21.5%, while adjusted operating margin improved to 28.9% on adjusted operating income of $1.23 billion.
Diluted EPS declined 3% to $2.58, but adjusted EPS increased 9% to $3.81. Cash from operations was $556 million and free cash flow $483 million, down 30% and 34%, respectively, versus the prior-year quarter. The Risk Capital segment grew revenue 5% to $3.0 billion; Human Capital revenue decreased 4% to $1.24 billion.
Aon generated $986 million of operating cash flow and $846 million of free cash flow in the first half of 2026, up 5% and 4%, respectively. The company returned $775 million to shareholders in Q2, including $600 million of share repurchases, and reaffirmed 2026 guidance for mid-single-digit or greater organic growth, margin expansion and strong adjusted EPS and free cash flow growth.
Aon plc shareholder Darren E. Zeidel filed a notice covering the potential sale of up to 1,900 Class A shares held at Fidelity Brokerage Services LLC, with an aggregate market value of $717,750.00, to be sold on the NYSE on 07/28/2026.
The shares to be sold were acquired through restricted stock vesting and classified as compensation, including 1,255 shares vested on 02/16/2023, 437 on 02/16/2024, and 208 on 02/17/2024. The filing also reports sales during the past three months: 600 Class A shares on 07/07/2026 for $216,000.00 and 1,950 Class A shares on 07/17/2026 for $725,500.00.
Aon plc reported that General Counsel Darren Zeidel sold a total of 1,950 Class A Ordinary shares on July 17, 2026, in three transactions at prices from $370 to $374 per share. The sales were effected under a Rule 10b5-1 trading plan entered into on November 5, 2025.
Darren E. Zeidel filed to sell up to 1,950 Class A shares of AON plc through Fidelity Brokerage Services on or about 07/17/2026, with an estimated aggregate sale price of $725,500.00 on the NYSE.
The notice also reports a prior sale of 600 Class A shares on 07/07/2026 for $216,000.00, and lists multiple restricted stock vesting events from 2023–2025 as the compensation source of the shares.
JPMorgan Chase & Co. reports beneficial ownership of 12,173,339 Class A Ordinary Shares of Aon plc, representing 5.6% of this class as of 06/30/2026.
The position includes 10,781,561 shares with sole voting power and 127,688 with shared voting power. JPMorgan also holds sole dispositive power over 12,149,041 shares and shared dispositive power over 23,923 shares, through various affiliated entities listed in the disclosure.
Aon plc General Counsel Darren Zeidel sold 600 shares of Class A Ordinary Stock at $360.00 per share in an open-market transaction. The trade occurred on July 7, 2026 under a Rule 10b5-1 trading plan entered into on November 5, 2025. Following the sale, he directly holds 15,354.099 shares.
Aon plc Chief Financial Officer Edmund Reese reported routine equity compensation activity involving restricted share units. On July 1, 2026, a restricted share unit award vested, converting into 3,975 Class A Ordinary Shares on a 1-for-1 basis under the Aon plc 2011 Incentive Compensation Plan.
In connection with this vesting, 2,198.112 Class A Ordinary Shares were withheld by Aon to cover tax obligations at a reference price of $343.56 per share, rather than sold in the open market. Following these transactions, Reese directly owns 3,900.969 Class A Ordinary Shares.