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Form 8-K · Current Report · Filed 2026-09-17

Aon plc Announces Issuance of Senior Notes to Fund USI Acquisition

On September 14, 2026, Aon North America, Inc.

Filer
Aon plc AON · NYSE
Filed
Accession
0001193125-26-394533
CIK
0000315293
Signal
High impactFinancial Services

Details

and Aon Global Holdings plc, guaranteed by Aon plc, Aon Corporation, and Aon Global Limited, issued senior notes totaling $13.41 billion to fund the acquisition of USI Advantage Corp. The notes, with various maturities and interest rates, can be redeemed under certain conditions. The issuance is part of a shelf registration statement and is subject to legal opinions from Skadden, Arps, Slate, Meagher & Flom LLP, Skadden, Arps, Slate, Meagher & Flom (UK) LLP, and Matheson LLP.

Items reported

Item events

Reported Item

New Debt Issued M&A Transaction

Market reaction

Close before filing

$300.57

Since filing

-1.5%

Latest close

$296.05

What happened, not what will happen — closing prices around the filing date.

Precedent

Previous filings from AON reporting the same item, with the next session's move:

Insider tape

Within 45 days of this filing, AON insiders reported 6 Form 4 transactions — net buying of $6.5M.

Full AON insider history →

About Aon plc

Aon plc is a leading global professional services firm that provides a wide array of risk, retirement, and health solutions. The primary function of Aon is to serve as a broker for insurance and reinsurance, helping clients navigate the complex landscape of financial risk and employee benefits. The company plays a significant role in the insurance industry, offering services such as risk management, insurance brokerage, reinsurance brokerage, and human capital consulting. Aon serves various sectors, including healthcare, finance, technology, and manufacturing, by delivering tailored strategic advice and innovative solutions to enhance resilience and performance. With a global presence across more than 120 countries, Aon plc is instrumental in assisting organizations of all sizes to make informed decisions regarding risk and capital management. Its significance in the market is underscored by its commitment to deep data insights and analytics, which enable clients to improve operational efficiency and human capital outcomes, consequently driving long-term value in uncertain economic climates.

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