---
schema_version: "secwatch.filing_event.v1"
accession: "0000354190-25-000019"
form_type: "8-K"
ticker: "AJG"
cik: "0000354190"
company_name: "Arthur J. Gallagher & Co."
filed_at: "2025-08-18T23:59:59+00:00"
generated_at: "2026-05-17T12:10:19.494368+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Gallagher closes $13.8B acquisition of AssuredPartners; expects double-digit EPS accretion

## Summary
- Purchase price of $13.8 billion in cash paid at closing; financed via previously disclosed equity and debt.
- Acquisition expected to deliver double-digit adjusted EPS accretion including synergies.
- Gallagher granted $316.15M in equity awards to 572 former AssuredPartners employees for retention.
- Combination expands retail middle-market P/C and employee benefits, and adds niche practice groups.
- AssuredPartners is a leading U.S. insurance broker with U.K. and Ireland operations.

## SEC filing metadata
- accession: 0000354190-25-000019
- form_type: 8-K
- ticker: AJG
- cik: 0000354190
- company_name: Arthur J. Gallagher & Co.
- filed_at: 2025-08-18T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/354190/000035419025000019/0000354190-25-000019-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/354190/000035419025000019/ajg-20250818.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000354190-25-000019
- JSON: https://secwatch.observer/filing/0000354190-25-000019.json
- Plain text: https://secwatch.observer/filing/0000354190-25-000019.txt

## Key facts
- M&A Transactions
  Arthur J. Gallagher & Co. completed an acquisition involving The AssuredPartners Group LP for $13.8 billion in cash (closed 2025-08-18).
  - Action: acquisition
  - Counterparty: The AssuredPartners Group LP
  - Consideration: $13.8 billion in cash
  - Closing: 2025-08-18
  source text: LP, a Delaware Limited partnership (the “ Seller ”), and the Acquired Entity. Upon the closing of the Transaction, the Company paid the Seller an aggregate purchase price of $13.8 billion in cash after giving effect to and subject to certain customary adjustments as set forth in the Purchase Agreement. The Company financed the acquisition with net proceeds from
  evidence_url: https://www.sec.gov/Archives/edgar/data/354190/000035419025000019/0000354190-25-000019-index.htm

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