---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-054079"
form_type: "8-K"
ticker: "AON"
cik: "0000315293"
company_name: "Aon plc"
filed_at: "2023-02-28T23:59:59+00:00"
generated_at: "2026-06-18T22:54:21.027292+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Aon issues $750M of 5.350% Senior Notes due 2033 for general corporate purposes

## Summary
- Issuers: Aon Corporation and Aon Global Holdings plc; Guarantors: Aon plc and Aon Global Limited.
- Notes: $750M aggregate principal, 5.350% coupon, due 2033.
- Net proceeds approximately $743.5M after underwriting discount and expenses.
- Use of proceeds: general corporate purposes.
- Underwriters: Morgan Stanley, BofA Securities, HSBC Securities.

## SEC filing metadata
- accession: 0001193125-23-054079
- form_type: 8-K
- ticker: AON
- cik: 0000315293
- company_name: Aon plc
- filed_at: 2023-02-28T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/315293/000119312523054079/0001193125-23-054079-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/315293/000119312523054079/d474704d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-054079
- JSON: https://secwatch.observer/filing/0001193125-23-054079.json
- Plain text: https://secwatch.observer/filing/0001193125-23-054079.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.