---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-040746"
form_type: "8-K"
ticker: "AON"
cik: "0000315293"
company_name: "Aon plc"
filed_at: "2024-02-21T23:59:59+00:00"
generated_at: "2026-06-05T22:27:12.752261+00:00"
event_type: "regulatory"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Aon and NFP clear HSR waiting period for acquisition; close expected mid-2024

## Summary
- HSR waiting period expired for Aon's acquisition of NFP, announced Dec 20, 2023.
- Transaction remains subject to other regulatory approvals and customary closing conditions.
- Closing expected mid-2024; Aon and NFP will operate independently until then.

## SEC filing metadata
- accession: 0001193125-24-040746
- form_type: 8-K
- ticker: AON
- cik: 0000315293
- company_name: Aon plc
- filed_at: 2024-02-21T23:59:59+00:00
- event_type: regulatory
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/315293/000119312524040746/0001193125-24-040746-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/315293/000119312524040746/d732721d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-040746
- JSON: https://secwatch.observer/filing/0001193125-24-040746.json
- Plain text: https://secwatch.observer/filing/0001193125-24-040746.txt

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