---
schema_version: "secwatch.filing_event.v1"
accession: "0000947484-23-000117"
form_type: "8-K"
ticker: "ACGL"
cik: "0000947484"
company_name: "ARCH CAPITAL GROUP LTD."
filed_at: "2023-11-20T23:59:59+00:00"
generated_at: "2026-06-07T23:44:07.252965+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Arch Capital subsidiaries terminate $1.7B Bellemeade mortgage reinsurance agreements due to S&P criteria change

## Summary
- Arch Mortgage and United Guaranty terminated eight Bellemeade excess-of-loss reinsurance agreements, effective Dec 27, 2023.
- Terminated agreements represent $1.7B limit of total $3.2B coverage from all mortgage insurance-linked note vehicles.
- Termination driven by S&P Insurer Risk-Based Capital Adequacy criteria change effective Nov 15, 2023 reducing capital relief.
- Remaining Bellemeade reinsurance agreements unaffected and continue under their terms.

## SEC filing metadata
- accession: 0000947484-23-000117
- form_type: 8-K
- ticker: ACGL
- cik: 0000947484
- company_name: ARCH CAPITAL GROUP LTD.
- filed_at: 2023-11-20T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 7.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/947484/000094748423000117/0000947484-23-000117-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/947484/000094748423000117/acgl-20231117.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000947484-23-000117
- JSON: https://secwatch.observer/filing/0000947484-23-000117.json
- Plain text: https://secwatch.observer/filing/0000947484-23-000117.txt

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