---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-23-018525"
form_type: "8-K"
ticker: "LIQT"
cik: "0001307579"
company_name: "LIQTECH INTERNATIONAL INC"
filed_at: "2023-06-27T23:59:59+00:00"
generated_at: "2026-06-13T16:03:25.340898+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# LiqTech Chairman Mark Vernon retires; Alex Buehler appointed Chairman, Martin Kunz new director

## Summary
- Mark Vernon resigns as Chairman and Director after 10+ years; no disagreement with company.
- Alexander Buehler (former Interim CEO in 2022) appointed Chairman and Chair of Governance & Nominating Committee.
- Martin Kunz (President & CEO of Concentric AB) appointed independent director; granted $36,750 RSUs vesting over one year.
- Buehler says he will accelerate strategic momentum; CEO Fei Chen thanks Vernon for service.

## SEC filing metadata
- accession: 0001437749-23-018525
- form_type: 8-K
- ticker: LIQT
- cik: 0001307579
- company_name: LIQTECH INTERNATIONAL INC
- filed_at: 2023-06-27T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1307579/000143774923018525/0001437749-23-018525-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1307579/000143774923018525/liqt20230626_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-23-018525
- JSON: https://secwatch.observer/filing/0001437749-23-018525.json
- Plain text: https://secwatch.observer/filing/0001437749-23-018525.txt

## Key facts
- Executive change
  Mark Vernon resigned as Chairman of the Board at LIQTECH INTERNATIONAL INC.
  - Action: resigned
  - Role: Chairman of the Board
  source text: On June 23, 2023, Mark Vernon notified LiqTech International, Inc. (the “Company”), that he was resigning as the Chairman of the Board of Directors of the Company (the “Board”), as the Chairman of the Board’s Governance and Nominating Committee, and as a member of the Board, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1307579/000143774923018525/0001437749-23-018525-index.htm
- Executive change
  Martin Kunz was appointed as Director at LIQTECH INTERNATIONAL INC.
  - Action: appointed
  - Role: Director
  source text: On June 23, 2023, the Board appointed Martin Kunz as an independent director of the Company, effective immediately
  evidence_url: https://www.sec.gov/Archives/edgar/data/1307579/000143774923018525/0001437749-23-018525-index.htm
- Executive change
  Alexander Buehler was appointed as Chairman of the Board at LIQTECH INTERNATIONAL INC.
  - Action: appointed
  - Role: Chairman of the Board
  source text: On June 23, 2023, the Board appointed Alexander Buehler as the Chairman of the Board and the Chairman of the Board’s Governance and Nominating Committee of the Company, effective immediately
  evidence_url: https://www.sec.gov/Archives/edgar/data/1307579/000143774923018525/0001437749-23-018525-index.htm

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