---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-039518"
form_type: "8-K"
ticker: "FBTC"
cik: "0001852317"
company_name: "Fidelity Wise Origin Bitcoin Fund"
filed_at: "2026-02-05T23:59:59+00:00"
generated_at: "2026-05-16T04:32:51.276228+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Fidelity Bitcoin Fund adds BitGo as second custodian; treasurer replaced

## Summary
- BitGo Bank & Trust appointed as additional custodian for FBTC's bitcoin holdings; no immediate asset transfers planned.
- Existing custody with Fidelity Digital Assets remains unchanged; BitGo fees paid by sponsor.
- BitGo liability capped at fees paid in prior 3 months, rising to value of affected bitcoin for gross negligence.
- Treasurer Heather Bonner resigned Feb 2, 2026; replaced by Craig S. Brown (Fidelity VP).
- Brown also serves as Assistant Treasurer of FIMM, LLC; departure not due to disagreement.

## SEC filing metadata
- accession: 0001193125-26-039518
- form_type: 8-K
- ticker: FBTC
- cik: 0001852317
- company_name: Fidelity Wise Origin Bitcoin Fund
- filed_at: 2026-02-05T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 1.01, 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1852317/000119312526039518/0001193125-26-039518-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1852317/000119312526039518/ck0001852317-20260202.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-039518
- JSON: https://secwatch.observer/filing/0001193125-26-039518.json
- Plain text: https://secwatch.observer/filing/0001193125-26-039518.txt

## Key facts
- Material Agreements
  Fidelity Wise Origin Bitcoin Fund entered into Custodial Services Agreement with BitGo Bank & Trust, N.A. (effective 2026-02-02).
  - Action: entry
  - Counterparty: BitGo Bank & Trust, N.A.
  - Effective: 2026-02-02
  source text: On February 2, 2026, Fidelity Wise Origin Bitcoin Fund (the “Trust”) and BitGo Bank & Trust, N.A. (“BitGo”) entered into a Custodial Services Agreement (the “Agreement”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1852317/000119312526039518/0001193125-26-039518-index.htm

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