---
schema_version: "secwatch.filing_event.v1"
accession: "0001171843-25-000321"
form_type: "8-K"
ticker: "BGDE"
cik: "0001218683"
company_name: "Big Digital Energy, Inc."
filed_at: "2025-01-17T23:59:59+00:00"
generated_at: "2026-05-27T22:58:19.595659+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Mawson appoints William C. Regan as CFO; Sandy Harrison steps down to Senior Advisor

## Summary
- William C. Regan appointed CFO effective January 17, 2025; previously Deputy CFO since 2024.
- Regan brings 40 years of finance experience, including CFO roles at multiple public and tech companies.
- Sandy Harrison departs as CFO citing family reasons; will remain as Senior Advisor for a period.
- Departure not due to any dispute or disagreement with the company or its operations.
- CEO notes recent hires from AWS and Apple as part of digital infrastructure transformation.

## SEC filing metadata
- accession: 0001171843-25-000321
- form_type: 8-K
- ticker: BGDE
- cik: 0001218683
- company_name: Big Digital Energy, Inc.
- filed_at: 2025-01-17T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1218683/000117184325000321/0001171843-25-000321-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1218683/000117184325000321/f8k_011725.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001171843-25-000321
- JSON: https://secwatch.observer/filing/0001171843-25-000321.json
- Plain text: https://secwatch.observer/filing/0001171843-25-000321.txt

## Key facts
- Executive change
  Sandy Harrison departed as Senior Advisor at Big Digital Energy, Inc..
  - Action: departing
  - Role: Senior Advisor
  source text: Mr. William “Sandy” Harrison will be departing as the Company’s Chief Financial Officer to spend more time with his family.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1218683/000117184325000321/0001171843-25-000321-index.htm
- Executive change
  William C. Regan was appointed as Chief Financial Officer at Big Digital Energy, Inc..
  - Action: appointed
  - Role: Chief Financial Officer
  source text: On January 17, 2025, Mawson Infrastructure Group Inc. (“the Company”), announced that it has appointed William C. Regan as the Company’s Chief Financial Officer, effective January 17, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1218683/000117184325000321/0001171843-25-000321-index.htm

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