---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-065564"
form_type: "8-K"
ticker: "BMEA"
cik: "0001840439"
company_name: "Biomea Fusion, Inc."
filed_at: "2025-03-27T23:59:59+00:00"
generated_at: "2026-05-24T04:17:01.891250+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Biomea Fusion CEO Thomas Butler out; Board member Mick Hitchcock named interim CEO

## Summary
- Thomas Butler terminated as CEO, resigned as director and Chairman effective March 25, 2025.
- Michael J.M. Hitchcock (Mick) appointed interim CEO; Rainer Erdtmann named principal financial officer.
- Audit Committee now has only two members due to Hitchcock's resignation; Nasdaq cure period until March 25, 2026.
- Hitchcock receives $633,000 base salary, 50% target bonus, and options for 350,000 shares at $2.52/share.
- Press release cites positive Phase II data for icovamenib as company pursues diabetes therapy.

## SEC filing metadata
- accession: 0001193125-25-065564
- form_type: 8-K
- ticker: BMEA
- cik: 0001840439
- company_name: Biomea Fusion, Inc.
- filed_at: 2025-03-27T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 3.01, 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1840439/000119312525065564/0001193125-25-065564-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1840439/000119312525065564/d945354d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-065564
- JSON: https://secwatch.observer/filing/0001193125-25-065564.json
- Plain text: https://secwatch.observer/filing/0001193125-25-065564.txt

## Key facts
- Listing & Compliance Notices
  Biomea Fusion, Inc. received a nasdaq deficiency notice notice regarding audit committee (rules 5605(c)(2)(A), 5605(c)(4)).
  - Exchange: nasdaq
  - Notice: deficiency notice
  - Deficiency: audit committee
  - Rules: 5605(c)(2)(A), 5605(c)(4)
  source text: March 27, 2025, Biomea Fusion, Inc. (the “Company”) notified the Nasdaq Stock Market LLC (“Nasdaq”) that the Company is not in compliance with the audit committee requirement under Nasdaq Listing Rule 5605(c)(2)(A) due to the Company having only two members on its audit committee (the “Audit Committee”) of its Board of Directors of the Company (the “Board”) solely due to a vacancy resulting from Michael (Mick) J.M. Hitchcock, Ph.D.’s resignation from the Audit Committee in connection with his appointment as interim Chief Executive Officer of the Company effective March 25, 2025. The Company ha
  evidence_url: https://www.sec.gov/Archives/edgar/data/1840439/000119312525065564/0001193125-25-065564-index.htm
- Executive change
  Thomas Butler resigned as Chief Executive Officer at Biomea Fusion, Inc..
  - Action: resigned
  - Role: Chief Executive Officer
  source text: The employment of Thomas Butler as Chief Executive Officer of the Company ended on March 25, 2025 (the “Effective Date”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1840439/000119312525065564/0001193125-25-065564-index.htm
- Executive change
  Michael J. M. Hitchcock was appointed as interim Chief Executive Officer at Biomea Fusion, Inc..
  - Action: appointed
  - Role: interim Chief Executive Officer
  source text: Dr. Hitchcock, a member of the Board, was appointed as the Company’s interim Chief Executive Officer and principal executive officer
  evidence_url: https://www.sec.gov/Archives/edgar/data/1840439/000119312525065564/0001193125-25-065564-index.htm
- Executive change
  Thomas Butler resigned as Director and Chairman of the Board at Biomea Fusion, Inc..
  - Action: resigned
  - Role: Director and Chairman of the Board
  source text: On the Effective Date, Mr. Butler resigned as a director and Chairman of the Board
  evidence_url: https://www.sec.gov/Archives/edgar/data/1840439/000119312525065564/0001193125-25-065564-index.htm
- Executive change
  Rainer Erdtmann was appointed as Principal Financial Officer and Principal Accounting Officer at Biomea Fusion, Inc..
  - Action: appointed
  - Role: Principal Financial Officer and Principal Accounting Officer
  source text: Rainer (Ramses) Erdtmann, the Company’s President, Chief Operating Officer and a member of the Board, was appointed as the Company’s principal financial officer and principal accounting officer
  evidence_url: https://www.sec.gov/Archives/edgar/data/1840439/000119312525065564/0001193125-25-065564-index.htm

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