---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-25-058573"
form_type: "8-K"
ticker: "LNZA"
cik: "0001843724"
company_name: "LanzaTech Global, Inc."
filed_at: "2025-12-22T23:59:59+00:00"
generated_at: "2026-05-16T12:27:22.675625+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# LanzaTech increases LanzaJet ownership to 53% under pre-existing agreement

## Summary
- Received final LanzaJet common stock tranches on Dec 16, 2025, raising stake from ~36% to 53% with no new capital.
- LanzaJet's Freedom Pines facility in Georgia produced ASTM-certified SPK and renewable diesel from ethanol.
- Equity increase under Second Amended & Restated Investment Agreement; LanzaJet sublicensed ATJ technology for shares.
- LanzaTech accounts for LanzaJet under equity method; no governance or control change.
- Both companies collaborate on CirculAir™ for sustainable aviation fuel projects.

## SEC filing metadata
- accession: 0001628280-25-058573
- form_type: 8-K
- ticker: LNZA
- cik: 0001843724
- company_name: LanzaTech Global, Inc.
- filed_at: 2025-12-22T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1843724/000162828025058573/0001628280-25-058573-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1843724/000162828025058573/amci-20251216.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-25-058573
- JSON: https://secwatch.observer/filing/0001628280-25-058573.json
- Plain text: https://secwatch.observer/filing/0001628280-25-058573.txt

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