Short answer
Aon plc (AON) filed an 8-K current report with the SEC on September 17, 2026 reporting Item 8.01 (Other Events). $15.5B senior notes issued across 2029–2056 maturities, primarily financing Aon’s planned USI acquisition.
Aon plc 8-K event analysis
AI summary of each reported item and its exhibits
Item 8.01 · Other Events
- $15.5B senior notes issued across 2029–2056 maturities, primarily financing Aon’s planned USI acquisition
- Net proceeds approximately $13.4008B, alongside expected term-loan proceeds and liquidity
- Coupon rates range from 5.350% to 6.450%, creating substantial long-term interest obligations
- USI-related notes require redemption at 101% if the acquisition fails by June 1, 2027, subject to extensions
- Senior unsecured notes fully and unconditionally guaranteed by Aon plc and affiliates
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