---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-001112"
form_type: "8-K"
ticker: "BTC"
cik: "0002015034"
company_name: "Grayscale Bitcoin Mini Trust ETF"
filed_at: "2025-01-03T23:59:59+00:00"
generated_at: "2026-05-28T16:15:00.757222+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Grayscale Bitcoin Mini Trust ETF sponsor reorganized; GSO replaced by GSIS as sole sponsor

## Summary
- Grayscale Investments, LLC (GSI) merged into Grayscale Operating, LLC (GSO) on Jan 1, 2025.
- GSO assigned all sponsor contracts to Grayscale Investments Sponsors, LLC (GSIS) on Jan 1.
- GSO voluntarily withdrew as sponsor on Jan 3, effective 120 days later; GSIS to be sole sponsor.
- Company expects reorganization to have no material impact on trust operations.

## SEC filing metadata
- accession: 0000950170-25-001112
- form_type: 8-K
- ticker: BTC
- cik: 0002015034
- company_name: Grayscale Bitcoin Mini Trust ETF
- filed_at: 2025-01-03T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 1.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2015034/000095017025001112/0000950170-25-001112-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2015034/000095017025001112/btc-20250101.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-001112
- JSON: https://secwatch.observer/filing/0000950170-25-001112.json
- Plain text: https://secwatch.observer/filing/0000950170-25-001112.txt

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