---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-002868"
form_type: "8-K"
ticker: "DFTX"
cik: "0001813814"
company_name: "Definium Therapeutics, Inc."
filed_at: "2025-01-13T23:59:59+00:00"
generated_at: "2026-05-28T03:44:53.618684+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# MindMed terminates Executive President Miri Halperin Wernli without cause, effective Feb 28, 2025

## Summary
- Employment terminated without cause; effective February 28, 2025.
- Reason cited: centralizing management team in the United States for strategic alignment.
- No replacement announced; CEO Robert Barrow remains.
- Updated corporate presentation filed as Exhibit 99.1 on January 13, 2025.

## SEC filing metadata
- accession: 0001104659-25-002868
- form_type: 8-K
- ticker: DFTX
- cik: 0001813814
- company_name: Definium Therapeutics, Inc.
- filed_at: 2025-01-13T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1813814/000110465925002868/0001104659-25-002868-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1813814/000110465925002868/tm253011d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-002868
- JSON: https://secwatch.observer/filing/0001104659-25-002868.json
- Plain text: https://secwatch.observer/filing/0001104659-25-002868.txt

## Key facts
- Executive change
  Miri Halperin Wernli was terminated as Executive President at Definium Therapeutics, Inc..
  - Action: terminated
  - Role: Executive President
  source text: On January 10, 2025, Mind Medicine (MindMed) Inc. (the "Company") notified Miri Halperin Wernli, the Company's Executive President, that it was terminating her employment without cause, effective February 28, 2025, as the Company centralizes its management team in the United States to enhance collaboration and alignment with its strategic goals.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1813814/000110465925002868/0001104659-25-002868-index.htm

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