---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-021193"
form_type: "8-K"
ticker: "ARKB"
cik: "0001869699"
company_name: "Ark 21Shares Bitcoin ETF"
filed_at: "2025-03-06T23:59:59+00:00"
generated_at: "2026-05-25T07:37:27.987212+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# ARK 21Shares Bitcoin ETF sponsor appoints new CEO, President, and COO in parent reorganization

## Summary
- New CEO Russell Barlow (51) succeeds Harry Rashwan; Barlow previously at abrdn plc.
- New President Duncan Moir (39) succeeds Ophelia Snyder; Snyder moves to 21co role.
- Edel Bashir (45) becomes COO; previously COO of Multi Asset at abrdn.
- Changes part of larger reorganization of parent company 21co Holdings Limited.
- No family relationships or material interests disclosed per Regulation S-K.

## SEC filing metadata
- accession: 0001213900-25-021193
- form_type: 8-K
- ticker: ARKB
- cik: 0001869699
- company_name: Ark 21Shares Bitcoin ETF
- filed_at: 2025-03-06T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1869699/000121390025021193/0001213900-25-021193-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1869699/000121390025021193/ea023337802-8k_ark21.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-021193
- JSON: https://secwatch.observer/filing/0001213900-25-021193.json
- Plain text: https://secwatch.observer/filing/0001213900-25-021193.txt

## Key facts
- Executive change
  Ophelia Snyder departed as President at Ark 21Shares Bitcoin ETF.
  - Action: stepped down
  - Role: President
  source text: Ms. Ophelia Snyder, who was serving as President and Chief Financial Officer of the Sponsor, stepped down from such roles to take on a new leadership role within 21co and was succeeded in her role as President of the Sponsor by Mr. Duncan Moir;
  evidence_url: https://www.sec.gov/Archives/edgar/data/1869699/000121390025021193/0001213900-25-021193-index.htm
- Executive change
  Ophelia Snyder departed as Chief Financial Officer at Ark 21Shares Bitcoin ETF.
  - Action: stepped down
  - Role: Chief Financial Officer
  source text: Ms. Ophelia Snyder, who was serving as President and Chief Financial Officer of the Sponsor, stepped down from such roles to take on a new leadership role within 21co and was succeeded in her role as President of the Sponsor by Mr. Duncan Moir;
  evidence_url: https://www.sec.gov/Archives/edgar/data/1869699/000121390025021193/0001213900-25-021193-index.htm
- Executive change
  Harry Rashwan departed as Chief Executive Officer at Ark 21Shares Bitcoin ETF.
  - Action: stepped down
  - Role: Chief Executive Officer
  source text: Mr. Harry Rashwan, who was serving as Chief Executive Officer of the Sponsor, stepped down from such role to take on a new leadership role within 21co and was succeeded by Mr. Russell Barlow as Chief Executive Officer of the Sponsor;
  evidence_url: https://www.sec.gov/Archives/edgar/data/1869699/000121390025021193/0001213900-25-021193-index.htm
- Executive change
  Russell Barlow was appointed as Chief Executive Officer at Ark 21Shares Bitcoin ETF.
  - Action: appointed
  - Role: Chief Executive Officer
  source text: Mr. Harry Rashwan, who was serving as Chief Executive Officer of the Sponsor, stepped down from such role to take on a new leadership role within 21co and was succeeded by Mr. Russell Barlow as Chief Executive Officer of the Sponsor;
  evidence_url: https://www.sec.gov/Archives/edgar/data/1869699/000121390025021193/0001213900-25-021193-index.htm
- Executive change
  Duncan Moir was appointed as President at Ark 21Shares Bitcoin ETF.
  - Action: appointed
  - Role: President
  source text: Ms. Ophelia Snyder, who was serving as President and Chief Financial Officer of the Sponsor, stepped down from such roles to take on a new leadership role within 21co and was succeeded in her role as President of the Sponsor by Mr. Duncan Moir;
  evidence_url: https://www.sec.gov/Archives/edgar/data/1869699/000121390025021193/0001213900-25-021193-index.htm
- Executive change
  Edel Bashir was appointed as Chief Operating Officer at Ark 21Shares Bitcoin ETF.
  - Action: appointed
  - Role: Chief Operating Officer
  source text: Ms. Edel Bashir assumed the role of Chief Operating Officer of the Sponsor.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1869699/000121390025021193/0001213900-25-021193-index.htm

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