---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-099833"
form_type: "8-K"
ticker: "GEVO"
cik: "0001392380"
company_name: "Gevo, Inc."
filed_at: "2023-09-12T23:59:59+00:00"
generated_at: "2026-06-10T20:41:32.112519+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Gevo CCO Timothy Cesarek resigns effective Sept 22, 2023

## Summary
- Timothy J. Cesarek, Chief Commercial Officer, resigned from Gevo, Inc., effective September 22, 2023.
- He accepted an offer to serve as Chief Executive Officer of another company.
- No replacement or interim arrangement was disclosed in the filing.

## SEC filing metadata
- accession: 0001104659-23-099833
- form_type: 8-K
- ticker: GEVO
- cik: 0001392380
- company_name: Gevo, Inc.
- filed_at: 2023-09-12T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1392380/000110465923099833/0001104659-23-099833-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1392380/000110465923099833/tm2325867d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-099833
- JSON: https://secwatch.observer/filing/0001104659-23-099833.json
- Plain text: https://secwatch.observer/filing/0001104659-23-099833.txt

## Key facts
- Executive change
  Timothy J. Cesarek resigned as Chief Commercial Officer at Gevo, Inc..
  - Action: resigned
  - Role: Chief Commercial Officer
  source text: On September 8, 2023, Timothy J. Cesarek, Chief Commercial Officer of Gevo, Inc. (the “Company), submitted his resignation from his role with the Company, effective September 22, 2023, as he has accepted an offer to serve as Chief Executive Officer of another company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1392380/000110465923099833/0001104659-23-099833-index.htm

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