---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-120909"
form_type: "8-K"
ticker: "GEVO"
cik: "0001392380"
company_name: "Gevo, Inc."
filed_at: "2025-12-15T23:59:59+00:00"
generated_at: "2026-05-16T13:11:33.000313+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Gevo CEO Patrick Gruber to retire Apr 1 2026; Paul Bloom named President, successor CEO

## Summary
- Paul Bloom appointed President and director effective Dec 9, 2025; will become CEO on Apr 1, 2026.
- Patrick Gruber to retire as CEO on Apr 1, 2026, continues as Executive Chair of the Board.
- William H. Baum becomes lead independent director effective Dec 9, 2025.
- Board approved Third Amended and Restated Bylaws updating quorum, voting, and universal proxy rules.

## SEC filing metadata
- accession: 0001104659-25-120909
- form_type: 8-K
- ticker: GEVO
- cik: 0001392380
- company_name: Gevo, Inc.
- filed_at: 2025-12-15T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 5.02, 5.03, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1392380/000110465925120909/0001104659-25-120909-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1392380/000110465925120909/tm2533409d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-120909
- JSON: https://secwatch.observer/filing/0001104659-25-120909.json
- Plain text: https://secwatch.observer/filing/0001104659-25-120909.txt

## Key facts
- Governance Changes
  Gevo, Inc.: Board adopted Third Amended and Restated Bylaws with changes to quorum, voting standard, universal proxy, advance notice provisions, and other updates (effective 2025-12-09).
  - Change: bylaw amendment
  - Effective: 2025-12-09
  source text: On December 9, 2025, the Board approved and adopted the Third Amended and Restated Bylaws of the Company (as amended and restated, the "Bylaws"), effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1392380/000110465925120909/0001104659-25-120909-index.htm

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