---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-25-002081"
form_type: "8-K"
ticker: "LNZA"
cik: "0001843724"
company_name: "LanzaTech Global, Inc."
filed_at: "2025-01-22T23:59:59+00:00"
generated_at: "2026-05-27T20:56:47.376071+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# LanzaTech to spin out LanzaX synthetic biology unit as JV with Tharsis; appoints interim CFO

## Summary
- CFO Geoff Trukenbrod resigned effective Jan 21, 2025; Justin Pugh (FTI) appointed interim CFO.
- Plans to spin out LanzaX, its synbio platform, as a joint venture with Tharsis Capital.
- LanzaX will include 30+ employees and a portfolio of over 100 molecules.
- Expected cost savings of ~$8M annually; spin-out expected to complete in 2025.
- Move aims to accelerate synbio development and sharpen focus on core biorefining and SAF projects.

## SEC filing metadata
- accession: 0001628280-25-002081
- form_type: 8-K
- ticker: LNZA
- cik: 0001843724
- company_name: LanzaTech Global, Inc.
- filed_at: 2025-01-22T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1843724/000162828025002081/0001628280-25-002081-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1843724/000162828025002081/amci-20250121.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-25-002081
- JSON: https://secwatch.observer/filing/0001628280-25-002081.json
- Plain text: https://secwatch.observer/filing/0001628280-25-002081.txt

## Key facts
- Executive change
  Geoff Trukenbrod resigned as Chief Financial Officer at LanzaTech Global, Inc..
  - Action: resigned
  - Role: Chief Financial Officer
  source text: On January 21, 2025, Geoff Trukenbrod, Chief Financial Officer of LanzaTech Global, Inc. (the “Company”), resigned from the Company effective immediately
  evidence_url: https://www.sec.gov/Archives/edgar/data/1843724/000162828025002081/0001628280-25-002081-index.htm
- Executive change
  Justin D. Pugh was appointed as interim Chief Financial Officer at LanzaTech Global, Inc..
  - Action: appointed
  - Role: interim Chief Financial Officer
  source text: appointed Justin D. Pugh, to serve as interim Chief Financial Officer commencing January 21, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1843724/000162828025002081/0001628280-25-002081-index.htm

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