---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-23-057084"
form_type: "8-K"
ticker: "BGDE"
cik: "0001218683"
company_name: "Big Digital Energy, Inc."
filed_at: "2023-07-14T23:59:59+00:00"
generated_at: "2026-06-13T08:05:21.920836+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Mawson Infrastructure appoints new CFO, COO departs

## Summary
- William 'Sandy' Harrison appointed CFO effective July 14, 2023; base salary $250k/year plus performance bonus up to $125k.
- COO Liam Wilson resigns for personal reasons; no replacement, duties absorbed by CEO/President and leadership team.
- Harrison has 27+ years senior finance experience in semiconductor and tech companies.
- CFO transition from Ariel Sivikofsky (since Aug 2022) to Harrison.

## SEC filing metadata
- accession: 0001213900-23-057084
- form_type: 8-K
- ticker: BGDE
- cik: 0001218683
- company_name: Big Digital Energy, Inc.
- filed_at: 2023-07-14T23:59:59+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/1218683/000121390023057084/0001213900-23-057084-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1218683/000121390023057084/ea181813-8k_mawson.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-23-057084
- JSON: https://secwatch.observer/filing/0001213900-23-057084.json
- Plain text: https://secwatch.observer/filing/0001213900-23-057084.txt

## Key facts
- Executive change
  William 'Sandy' Harrison was appointed as Chief Financial Officer at Big Digital Energy, Inc..
  - Action: appointed
  - Role: Chief Financial Officer
  source text: the Company has appointed Mr. William ‘Sandy’ Harrison, 57, as its new chief financial officer (“CFO”), effective July 14, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1218683/000121390023057084/0001213900-23-057084-index.htm
- Executive change
  Ariel Sivikofsky departed as Chief Financial Officer at Big Digital Energy, Inc..
  - Action: ceased to provide services
  - Role: Chief Financial Officer
  source text: Mr. Ariel Sivikofsky provided CFO services to the Company and no longer provides CFO services following the appointment of Mr. Harrison as CFO.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1218683/000121390023057084/0001213900-23-057084-index.htm
- Executive change
  Liam Wilson resigned as Chief Operating Officer at Big Digital Energy, Inc..
  - Action: resigned
  - Role: Chief Operating Officer
  source text: the Company announces the departure of Mr. Liam Wilson as the Company’s Chief Operating Officer effective July 14, 2023 given personal reasons.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1218683/000121390023057084/0001213900-23-057084-index.htm

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