---
schema_version: "secwatch.filing_event.v1"
accession: "0001365916-23-000075"
form_type: "8-K"
ticker: null
cik: "0001365916"
company_name: "AMYRIS, INC."
filed_at: "2023-06-26T23:59:59+00:00"
generated_at: "2026-06-13T16:55:42.927380+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Amyris CEO John Melo departs; interim CEO appointed; global workforce reduction; regains Nasdaq compliance

## Summary
- CEO John Melo resigned effective June 26, 2023; employment ends June 30; receives 24 months base salary and COBRA.
- CFO Han Kieftenbeld appointed Interim CEO; gets additional $40k/month cash comp and $250k bonus upon successor CEO hire.
- Global reduction in force announced as part of strategic transformation and cost reduction initiatives (headcount not disclosed).
- Nasdaq compliance regained: closing bid price above $1 for 10 consecutive business days; deficiency matter closed.

## SEC filing metadata
- accession: 0001365916-23-000075
- form_type: 8-K
- cik: 0001365916
- company_name: AMYRIS, INC.
- filed_at: 2023-06-26T23:59:59+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 3.01, 5.02, 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1365916/000136591623000075/0001365916-23-000075-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1365916/000136591623000075/amrs-20230623.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001365916-23-000075
- JSON: https://secwatch.observer/filing/0001365916-23-000075.json
- Plain text: https://secwatch.observer/filing/0001365916-23-000075.txt

## Key facts
- Listing & Compliance Notices
  AMYRIS, INC. received a nasdaq compliance regained notice regarding minimum bid price (rules 5450(a)(1)).
  - Exchange: nasdaq
  - Notice: compliance regained
  - Deficiency: minimum bid price
  - Rules: 5450(a)(1)
  source text: June 23, 2023, the Company received a letter from the Staff stating that because the Company’s common stock had a closing bid price at or above $1.00 per share for the last 10 consecutive business days, the Company had regained compliance with the Minimum Bid Price Requirement for continued listing on The Nasdaq Global Select Market and that the matter is now closed.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1365916/000136591623000075/0001365916-23-000075-index.htm
- Executive change
  John Melo resigned as President & Chief Executive Officer at AMYRIS, INC..
  - Action: resigned
  - Role: President & Chief Executive Officer
  source text: Mr. Melo resigned from his role as the Company’s President & CEO and as a director of the Board effective June 26, 2023
  evidence_url: https://www.sec.gov/Archives/edgar/data/1365916/000136591623000075/0001365916-23-000075-index.htm
- Executive change
  Han Kieftenbeld was appointed as Interim Chief Executive Officer at AMYRIS, INC..
  - Action: appointed
  - Role: Interim Chief Executive Officer
  source text: Effective as of June 26, 2023, the Board appointed Han Kieftenbeld as the Company’s Interim Chief Executive Officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1365916/000136591623000075/0001365916-23-000075-index.htm

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