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 Form 25 filings document exchange removal and registration withdrawal for maturing or withdrawn senior-note classes, while recurring filings provide formal disclosure on capital structure, governance and public-company reporting obligations.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 filed an automatic shelf registration statement dated July 2, 2026 to permit Aon and certain subsidiaries to offer and sell, from time to time after the effective date, debt securities, preference shares, Class A ordinary shares, share purchase contracts/units and other securities described in the prospectus.
The prospectus is a base shelf: specific offering sizes, prices, and methods will be provided in prospectus supplements and may include underwritten sales, direct offers, or other distribution methods. The registration names multiple issuers and guarantors and incorporates detailed indenture, guarantee and distribution terms by reference.
Aon plc reported several governance and capital allocation updates. The Board of Directors approved an increase to the company’s share repurchase program, authorizing Aon to buy back an additional $7.5 billion of Class A Ordinary Shares, on top of approximately $0.8 billion of remaining authorization as of March 31, 2026. The program does not obligate Aon to repurchase any specific amount of shares.
The company held its Annual Meeting of Shareholders on June 26, 2026, with 195,430,939 Class A Ordinary Shares, or 91.51% of shares entitled to vote, represented in person or by proxy. Shareholders elected all nominated directors and voted on additional proposals described in the proxy statement. Aon Corporation and CEO Gregory C. Case also entered into an amendment extending his international assignment letter by one year to June 30, 2027.
KNIGHT LESTER B reported acquisition or exercise transactions in this Form 4 filing.
Aon plc director Lester B. Knight reported an equity award of Class A Ordinary Shares. On 2026-06-25, he received 1,488 shares of Class A Ordinary Stock as a grant to a non-employee director at a nominal value of $0.01 per share paid to the issuer, resulting in 5,227 directly held shares.
The filing also lists indirect holdings of Class A Ordinary Stock held through a personal revocable trust, a family partnership, and his wife, reflecting additional ownership positions without showing new buy or sell transactions for those accounts.
Aon plc director Jose Antonio Alvarez reported routine equity compensation activity. On June 25, 2026, he received a grant of 776 Class A Ordinary Shares, with the footnotes stating he agreed to pay the nominal value of US $0.01 per share under Irish law.
On the same date, 372.469 Class A Ordinary Shares were withheld by Aon to cover taxes related to this award at a reference price of $315.95 per share. After these transactions, Alvarez directly owns 1,270.391 Class A Ordinary Shares. The filing reflects compensation and tax withholding rather than open‑market trading.
Aon plc director Cheryl A. Francis reported routine equity compensation activity involving Class A Ordinary Stock. She received an annual grant of 776.0000 Class A Ordinary Shares as a non-employee director, with a nominal value of $0.01 per share paid to the issuer in line with Irish law. On the same date, 186.2350 shares were withheld by Aon plc to cover taxes related to this award at a price of $315.9500 per share, which is a tax-withholding disposition rather than an open-market sale. Following these transactions, Francis directly holds 29,479.9700 Class A Ordinary Shares.
Aon plc director James G. Stavridis reported routine equity compensation activity. He received a grant of 776.0000 Class A Ordinary Shares as an annual award for non-employee directors, with a nominal value of US $0.01 per share paid to the issuer under Irish law.
The issuer withheld 186.2350 Class A Ordinary Shares at US $315.9500 per share to cover taxes related to the award, a tax-withholding disposition rather than an open-market sale. Following these transactions, he directly holds 1,563.6540 Class A Ordinary Shares and also has indirect holdings of 3,808.0000 and 1,043.0000 shares held by family-related trusts.
Aon plc director Richard C. Notebaert reported routine equity compensation activity. He received a grant of 776 Class A Ordinary Shares, described as the annual share grant to each non-employee director. Under Irish law, he agreed to pay the issuer the nominal value of US $0.01 per share.
On the same date, 186.235 Class A Ordinary Shares were withheld by the issuer to cover taxes related to the award, a tax-withholding disposition rather than an open-market sale. Following these transactions, he directly holds 28,327.735 Class A Ordinary Shares.
Aon plc director Gloria Santona reported routine equity compensation and related tax withholding in Class A Ordinary Stock. On June 25, 2026, she received a grant of 776 Class A Ordinary Shares, described as the annual award to each non-employee director, with a nominal value of $0.01 per share under Irish law.
On the same date, 186.235 shares were withheld by Aon for payment of taxes in connection with this award at a reference price of $315.95 per share. Following these direct transactions, Santona directly owned 22,461.735 Class A Ordinary Shares. Separately, 17,736 Class A Ordinary Shares were reported as held indirectly by a trust.
Aon plc director Jeffrey C. Campbell reported routine equity compensation activity involving Class A Ordinary Stock. On 2026-06-25, 186.235 shares were disposed of in a tax-withholding transaction at $315.95 per share to cover taxes tied to an equity award. On the same date, he acquired 776 shares as an annual share grant to non-employee directors, at a nominal value of $0.01 per share under Irish law. Following these transactions, Campbell directly holds 12,620.735 Class A Ordinary shares.
Aon plc director Byron Spruell reported routine equity compensation activity. He received a grant of 776 Class A Ordinary Shares as an annual award to non-employee directors, with a nominal value of US $0.01 per share under Irish law.
The company withheld 186.235 Class A Ordinary Shares to cover associated tax obligations at a price of $315.95 per share, which is a tax-withholding disposition rather than an open-market sale. Following these transactions, Spruell directly holds 6,376.735 Class A Ordinary Shares.