---
schema_version: "secwatch.filing_event.v1"
accession: "0001279569-24-000034"
form_type: "8-K"
ticker: null
cik: "0001783875"
company_name: "4Front Ventures Corp."
filed_at: "2024-01-12T23:59:59+00:00"
generated_at: "2026-06-06T23:59:44.660383+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# CEO Leonid Gontmakher resigns, Andrew Thut appointed CEO of 4Front Ventures

## Summary
- Andrew Thut named CEO effective Jan 8, 2024; previously Chief Investment Officer since 2014.
- Former CEO Leonid Gontmakher remains on board as director and consultant.
- Thut granted 9M restricted stock units vesting 3M annually, with future performance trigger.
- Thut was early investor, former BlackRock managing director (2005-2014?).

## SEC filing metadata
- accession: 0001279569-24-000034
- form_type: 8-K
- cik: 0001783875
- company_name: 4Front Ventures Corp.
- filed_at: 2024-01-12T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1783875/000127956924000034/0001279569-24-000034-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1783875/000127956924000034/fourfront8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001279569-24-000034
- JSON: https://secwatch.observer/filing/0001279569-24-000034.json
- Plain text: https://secwatch.observer/filing/0001279569-24-000034.txt

## Key facts
- Executive change
  Leonid Gontmakher resigned as Chief Executive Officer at 4Front Ventures Corp..
  - Action: resigned
  - Role: Chief Executive Officer
  source text: Effective January 8, 2024, Leonid Gontmakher resigned as Chief Executive Officer of 4Front Ventures Corp. (the “Company”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1783875/000127956924000034/0001279569-24-000034-index.htm
- Executive change
  Andrew Thut changed role as Chief Executive Officer at 4Front Ventures Corp..
  - Action: promoted
  - Role: Chief Executive Officer
  source text: Effective January 8, 2024, the Company promoted Andrew Thut to Chief Executive Officer of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1783875/000127956924000034/0001279569-24-000034-index.htm

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