---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-050167"
form_type: "8-K"
ticker: "ARKB"
cik: "0001869699"
company_name: "Ark 21Shares Bitcoin ETF"
filed_at: "2025-06-03T23:59:59+00:00"
generated_at: "2026-05-20T01:58:17.933242+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# ARK 21Shares Bitcoin ETF announces 3-for-1 share split effective June 16, 2025

## Summary
- 3-for-1 share split of all outstanding units of ARK 21Shares Bitcoin ETF (ARKB).
- Record date June 12, 2025; shares will split after market close on June 13; ex-date June 16.
- Ticker symbol ARKB, CUSIP, and total net asset value remain unchanged.
- Split aims to make shares more accessible and enhance trading efficiency.

## SEC filing metadata
- accession: 0001213900-25-050167
- form_type: 8-K
- ticker: ARKB
- cik: 0001869699
- company_name: Ark 21Shares Bitcoin ETF
- filed_at: 2025-06-03T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1869699/000121390025050167/0001213900-25-050167-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1869699/000121390025050167/ea0244383-8k_ark21.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-050167
- JSON: https://secwatch.observer/filing/0001213900-25-050167.json
- Plain text: https://secwatch.observer/filing/0001213900-25-050167.txt

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