8-K current report · filed Sep 14, 2026

Definium Therapeutics, Inc. (DFTX) 8-K Current Report: September 14, 2026

Item 7.01Item 8.01Item EX-99.1DFTX overview

Short answer

Definium Therapeutics, Inc. (DFTX) filed an 8-K current report with the SEC on September 14, 2026 reporting Item 7.01 (Regulation FD Disclosure), Item 8.01 (Other Events), Item EX-99.1 (Exhibit EX-99.2). Exhibit 99.1 furnished under Regulation FD, not treated as filed under Exchange Act Section 18.

Definium Therapeutics, Inc. 8-K event analysis

AI summary of each reported item and its exhibits

Item 7.01 · Regulation FD Disclosure

  • Exhibit 99.1 furnished under Regulation FD, not treated as filed under Exchange Act Section 18
  • Exhibit excluded from automatic incorporation into Definium Therapeutics SEC filings
  • Investor-relevant disclosure content resides in Exhibit 99.1, not the provided legal disclaimer

Item 8.01 · Other Events

  • September 14, 2026 press release and Panorama topline data presentation filed as substantive exhibits
  • Panorama study results likely represent a material clinical-development update for Definium Therapeutics
  • Investors should review Exhibits 99.1 and 99.2 for efficacy, safety, endpoints, and next-step implications

Item EX-99.1 · Exhibit EX-99.2

  • Panorama met primary and all key secondary endpoints in 245-patient Phase 3 GAD trial, reinforcing DT120 ODT’s regulatory case
  • HAM-A placebo-adjusted improvement reached 5.1 points at Week 12, with p<0.0001 and Cohen’s d=0.64
  • 100 µg dose showed 94.8% TEAE rate, but no drug-related serious adverse events and 10.4% discontinuation
  • Pre-NDA meeting planned for 4Q 2026, with NDA filing anticipated in 1H 2027
  • Development risk remains around FDA review and controlled-substance scheduling before potential commercialization

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