---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-236056"
form_type: "8-K"
ticker: "BCHG"
cik: "0001732409"
company_name: "Grayscale Bitcoin Cash Trust (BCH)"
filed_at: "2025-10-09T23:59:59+00:00"
generated_at: "2026-05-17T04:12:39.387566+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Grayscale Bitcoin Cash Trust signs new Coinbase Prime Broker Agreement; effective upon NYSE Arca uplisting

## Summary
- New Prime Broker Agreement with Coinbase entities signed Oct 3, 2025; effective when trust shares begin trading on NYSE Arca as ETP.
- Trust's BCH held in cold-storage Vault Balance and hot-storage Settlement Balance; Custodian liability capped at $100M per cold storage address.
- Custodial and prime broker services include depository, withdrawal, and transfer; liability only for negligence, fraud, or willful misconduct, capped at $5M or fees/assets.
- Previous custodian agreement (with Coinbase Custody) terminated as of the later of the new agreement's effective date.
- Uplisting as exchange-traded product pending; Prime Broker Agreement supports conversion and provides updated custody terms.

## SEC filing metadata
- accession: 0001193125-25-236056
- form_type: 8-K
- ticker: BCHG
- cik: 0001732409
- company_name: Grayscale Bitcoin Cash Trust (BCH)
- filed_at: 2025-10-09T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01, 1.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1732409/000119312525236056/0001193125-25-236056-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1732409/000119312525236056/bchg-20251003.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-236056
- JSON: https://secwatch.observer/filing/0001193125-25-236056.json
- Plain text: https://secwatch.observer/filing/0001193125-25-236056.txt

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