---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-125725"
form_type: "8-K"
ticker: "GEVO"
cik: "0001392380"
company_name: "Gevo, Inc."
filed_at: "2023-12-13T23:59:59+00:00"
generated_at: "2026-06-07T13:23:48.142022+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Gevo extends ethanol-to-jet collaboration exclusivity with Axens to March 22, 2024

## Summary
- Three-month extension of Initial Term under Master Framework Agreement, now ending March 22, 2024.
- Axens agrees Gevo is not in breach for non-payment of exclusivity fee; exclusivity remains in full force.
- Extension granted without consideration of [*****] and [*****] requirements and without exclusivity fee payment.
- Any further extension requires mutual written agreement of both parties.

## SEC filing metadata
- accession: 0001104659-23-125725
- form_type: 8-K
- ticker: GEVO
- cik: 0001392380
- company_name: Gevo, Inc.
- filed_at: 2023-12-13T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1392380/000110465923125725/0001104659-23-125725-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1392380/000110465923125725/tm2332735d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-125725
- JSON: https://secwatch.observer/filing/0001104659-23-125725.json
- Plain text: https://secwatch.observer/filing/0001104659-23-125725.txt

## Key facts
- Material Agreements
  Gevo, Inc. amended Extension Agreement with Axens North America, Inc. (effective 2023-12-12).
  - Action: amendment
  - Agreement: collaboration
  - Counterparty: Axens North America, Inc.
  - Effective: 2023-12-12
  source text: On December 12, 2023, Gevo, Inc. (“Gevo”) entered into an Extension Agreement to the Master Framework Agreement for ETJ Collaboration (the “Extension Agreement”) with Axens North America, Inc. (“Axens”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1392380/000110465923125725/0001104659-23-125725-index.htm

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