---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-001114"
form_type: "8-K"
ticker: "GBTC"
cik: "0001588489"
company_name: "Grayscale Bitcoin Trust ETF"
filed_at: "2025-01-03T23:59:59+00:00"
generated_at: "2026-05-28T14:18:56.450742+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Grayscale Bitcoin Trust ETF sponsor reorganized; new entity to be sole sponsor after 120-day notice

## Summary
- On Jan 1, 2025, Grayscale Investments, LLC merged into Grayscale Operating, LLC, a Digital Currency Group subsidiary.
- GSO assigned all sponsor contracts to Grayscale Investments Sponsors, LLC, including agreements with Coinbase and Foreside.
- On Jan 3, 2025, GSO withdrew as sponsor; GSIS becomes sole sponsor after 120-day withdrawal period.
- The trust states it does not expect the reorganization to materially impact operations.

## SEC filing metadata
- accession: 0000950170-25-001114
- form_type: 8-K
- ticker: GBTC
- cik: 0001588489
- company_name: Grayscale Bitcoin 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/1588489/000095017025001114/0000950170-25-001114-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1588489/000095017025001114/gbtc-20250101.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-001114
- JSON: https://secwatch.observer/filing/0000950170-25-001114.json
- Plain text: https://secwatch.observer/filing/0000950170-25-001114.txt

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