---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-23-038043"
form_type: "8-K"
ticker: "LNZA"
cik: "0001843724"
company_name: "LanzaTech Global, Inc."
filed_at: "2023-11-09T23:59:59+00:00"
generated_at: "2026-06-08T07:38:01.421084+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.9
calibrated_materiality_score: 0.9
confidence: "high"
source: SEC EDGAR
---

# LanzaTech restates Q1/Q2 2023 financials; Q3 revenue surges 143% YoY

## Summary
- Non-reliance on Q1 and Q2 2023 financials due to FPA accounting; restatement to reclassify $60.5M prepayment to equity.
- Q3 2023 revenues $19.6M (+143% YoY); net loss $(25.3)M vs $(22.3)M prior year.
- Adjusted EBITDA $(19.1)M, 20% improvement QoQ; cash $136.9M.
- IndianOil refinery startup in India, Brookfield co-development projects, LanzaJet SAF facility expected early 2024.

## SEC filing metadata
- accession: 0001628280-23-038043
- form_type: 8-K
- ticker: LNZA
- cik: 0001843724
- company_name: LanzaTech Global, Inc.
- filed_at: 2023-11-09T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.9
- calibrated_materiality_score: 0.9
- confidence: high
- sec_items: 2.02, 4.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1843724/000162828023038043/0001628280-23-038043-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1843724/000162828023038043/lnza-20231109.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-23-038043
- JSON: https://secwatch.observer/filing/0001628280-23-038043.json
- Plain text: https://secwatch.observer/filing/0001628280-23-038043.txt

## Key facts
- Auditor Changes
  LanzaTech Global, Inc. reported that prior financial statements should not be relied upon.
  - Action: non reliance
  - Auditor: Deloitte & Touche LLP
  source text: On November 8, 2023, the Audit Committee of LanzaTech Global, Inc. (the “Company” or “LanzaTech”), after considering the recommendations of management, concluded that the Company’s previously issued consolidated financial statements as of and for the quarters ended March 31, 2023 and June 30, 2023 (collectively, the “Previous Financial Statements”) should no longer be relied upon.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1843724/000162828023038043/0001628280-23-038043-index.htm
- Earnings Releases
  LanzaTech Global, Inc. reported the third quarter of 2023 results: revenue $19.6 million, net income $(25.3) million.
  - Period: the third quarter of 2023
  - Revenue: $19.6 million
  - Net income: $(25.3) million
  - Result: reported results
  source text: reference in such filing. --- EX-99.1 (EX-99.1) --- a3q23lnzaearningsrelease LanzaTech Global, Inc. Announces Third Quarter 2023 Financial Results Operating revenues of $19.6 million for third quarter 2023, an increase of 143% over third quarter 2022 Continued progress starting up commercial-scale plants with successful startup at partner IndianOil
  evidence_url: https://www.sec.gov/Archives/edgar/data/1843724/000162828023038043/0001628280-23-038043-index.htm

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