---
schema_version: "secwatch.filing_event.v1"
accession: "0000950103-22-021127"
form_type: "8-K"
ticker: "GBTC"
cik: "0001588489"
company_name: "Grayscale Bitcoin Trust ETF"
filed_at: "2022-12-19T23:59:59+00:00"
generated_at: "2026-06-21T02:32:57.856286+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "low"
source: SEC EDGAR
---

# Grayscale Bitcoin Trust CEO sends year-end letter; no details disclosed

## Summary
- CEO Michael Sonnenshein issued a year-end letter to Trust investors on December 19, 2022.
- Letter filed under Regulation FD; no financial or operational specifics provided.
- This is a routine end-of-year communication without material new information.

## SEC filing metadata
- accession: 0000950103-22-021127
- form_type: 8-K
- ticker: GBTC
- cik: 0001588489
- company_name: Grayscale Bitcoin Trust ETF
- filed_at: 2022-12-19T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: low
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1588489/000095010322021127/0000950103-22-021127-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1588489/000095010322021127/dp185785_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950103-22-021127
- JSON: https://secwatch.observer/filing/0000950103-22-021127.json
- Plain text: https://secwatch.observer/filing/0000950103-22-021127.txt

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