---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-010845"
form_type: "8-K"
ticker: "LNZA"
cik: "0001843724"
company_name: "LanzaTech Global, Inc."
filed_at: "2023-02-06T23:59:59+00:00"
generated_at: "2026-06-20T00:24:40.188459+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# AMCI enters forward purchase agreement for up to 10M shares to support LanzaTech merger

## Summary
- Seller ACM ARRT H LLC may buy up to 10M Class A AMCI shares from redeeming holders before closing.
- Prepayment Amount = (Number of Shares × Redemption Price) minus up to $2.5M Prepayment Shortfall.
- Trust account held $152.36M as of Feb 3, 2023; funds will be disbursed at/after closing.
- Maturity 3 years post-close; acceleration triggers if VWAP below $3/$6 thresholds.
- Shortfall Warrants exercisable at Reset Price may be issued up to 10M shares less Recycled Shares.

## SEC filing metadata
- accession: 0001104659-23-010845
- form_type: 8-K
- ticker: LNZA
- cik: 0001843724
- company_name: LanzaTech Global, Inc.
- filed_at: 2023-02-06T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1843724/000110465923010845/0001104659-23-010845-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1843724/000110465923010845/tm235567d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-010845
- JSON: https://secwatch.observer/filing/0001104659-23-010845.json
- Plain text: https://secwatch.observer/filing/0001104659-23-010845.txt

## Key facts
- Material Agreements
  LanzaTech Global, Inc. entered into Forward Purchase Agreement with ACM ARRT H LLC (effective 2023-02-03).
  - Action: entry
  - Agreement: equity purchase
  - Counterparty: ACM ARRT H LLC
  - Effective: 2023-02-03
  source text: On February 3, 2023, AMCI, LanzaTech and ACM ARRT H LLC (the “Seller”) entered into an agreement (the “Forward Purchase Agreement”) for an over-the-counter Equity Prepaid Forward Transaction
  evidence_url: https://www.sec.gov/Archives/edgar/data/1843724/000110465923010845/0001104659-23-010845-index.htm

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