---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-24-035829"
form_type: "8-K"
ticker: "LNZA"
cik: "0001843724"
company_name: "LanzaTech Global, Inc."
filed_at: "2024-08-08T23:59:59+00:00"
generated_at: "2026-05-31T11:16:56.988760+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# LanzaTech secures up to $150M convertible note financing; $40.15M issued initially

## Summary
- Convertible note purchase agreement for up to $150M; initial closing of $40.15M on August 6, 2024.
- Notes bear 8% annual interest, mature August 2029; interest may be paid in cash or added to principal.
- Notes convertible into common stock at valuation cap of $1.52 (adjusted to $1.25 if less than $80M raised in 60 days).
- Mandatory conversion upon qualified equity financing; conversion price at lower of QEF price minus 10% or valuation cap.
- Company to seek stockholder approval for conversion above 19.9% of outstanding shares; special meeting within 60 days.

## SEC filing metadata
- accession: 0001628280-24-035829
- form_type: 8-K
- ticker: LNZA
- cik: 0001843724
- company_name: LanzaTech Global, Inc.
- filed_at: 2024-08-08T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.01, 2.03, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1843724/000162828024035829/0001628280-24-035829-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1843724/000162828024035829/amci-20240805.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-24-035829
- JSON: https://secwatch.observer/filing/0001628280-24-035829.json
- Plain text: https://secwatch.observer/filing/0001628280-24-035829.txt

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