---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-009854"
form_type: "8-K"
ticker: "DFTX"
cik: "0001813814"
company_name: "Definium Therapeutics, Inc."
filed_at: "2026-01-12T23:59:59+00:00"
generated_at: "2026-05-16T10:55:56.193085+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# MindMed rebrands to Definium Therapeutics; $412M cash; three Phase 3 readouts in 2026

## Summary
- Preliminary cash and investments ~$412M as of Dec 31, 2025.
- Name changed to Definium Therapeutics; new ticker DFTX effective Jan 13.
- Three Phase 3 readouts for DT120 ODT (GAD/MDD) in 2026: Voyage (2Q), Panorama (2H), Emerge (mid-year).
- Analyst Day in 2Q 2026 to highlight pipeline and path to commercialization.
- DT402 Phase 2a for autism spectrum disorder dosed first patient; initial data in 2026.

## SEC filing metadata
- accession: 0001193125-26-009854
- form_type: 8-K
- ticker: DFTX
- cik: 0001813814
- company_name: Definium Therapeutics, Inc.
- filed_at: 2026-01-12T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 5.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1813814/000119312526009854/0001193125-26-009854-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1813814/000119312526009854/mnmd-20260109.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-009854
- JSON: https://secwatch.observer/filing/0001193125-26-009854.json
- Plain text: https://secwatch.observer/filing/0001193125-26-009854.txt

## Source-grounded claims
- claim_id: d7aa87edbf0c4cd640de4f8a02eb64b19f47e385
  claim: Definium Therapeutics, Inc.: Changed company name from Mind Medicine (MindMed) Inc. to Definium Therapeutics, Inc. via alteration of Notice of Articles (effective 2026-01-09).
  evidence_excerpt: On January 9, 2026, the Company filed a Notice of Alteration with the Province of British Columbia Registrar of Companies to alter its Notice of Articles to change the Company’s corporate name from “Mind Medicine (MindMed) Inc.” to “Definium Therapeutics, Inc.”
  evidence_url: https://www.sec.gov/Archives/edgar/data/1813814/000119312526009854/0001193125-26-009854-index.htm

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