---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-24-042551"
form_type: "8-K"
ticker: "LNZA"
cik: "0001843724"
company_name: "LanzaTech Global, Inc."
filed_at: "2024-10-08T23:59:59+00:00"
generated_at: "2026-05-30T18:15:26.353971+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# LanzaTech stockholders approve increase in authorized common stock from 400M to 600M shares

## Summary
- Amendment to certificate of incorporation approved; authorized shares increased from 400M to 600M, effective October 3, 2024.
- Vote: 97.9M for, 17.5M against, 13K abstentions; 58.4% of outstanding shares represented.
- Proposals also approved for Nasdaq rules related to convertible note conversions (up to $150M aggregate, $40.15M issued August 6).
- Stockholders approved change-of-control issuance and 19.9%+ conversion shares from convertible notes.

## SEC filing metadata
- accession: 0001628280-24-042551
- form_type: 8-K
- ticker: LNZA
- cik: 0001843724
- company_name: LanzaTech Global, Inc.
- filed_at: 2024-10-08T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 3.03, 5.07, 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1843724/000162828024042551/0001628280-24-042551-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1843724/000162828024042551/amci-20241002.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-24-042551
- JSON: https://secwatch.observer/filing/0001628280-24-042551.json
- Plain text: https://secwatch.observer/filing/0001628280-24-042551.txt

## Key facts
- Governance Changes
  LanzaTech Global, Inc.: Amendment to increase authorized shares of common stock from 400,000,000 to 600,000,000 (effective 2024-10-03).
  - Change: charter amendment
  - Effective: 2024-10-03
  source text: At a Special Meeting of Stockholders of LanzaTech Global, Inc. (the “Company”), held on October 2, 2024 (the “Special Meeting”), and as further described in Item 5.07 below, upon the recommendation of the Company’s Board of Directors (the “Board”), the Company’s stockholders voted on and approved an amendment (the “Amendment”) to the Company’s Second Amended and Restated Certificate of Incorporation (the “Certificate of Incorporation”) to increase the number of authorized shares of common stock from 400,000,000 shares to 600,000,000 shares.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1843724/000162828024042551/0001628280-24-042551-index.htm

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