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Dyne Therapeutics to Host Investor Conference Call and Webcast to Review Topline Results from Registrational Expansion Cohort (REC) of DELIVER Clinical Trial of Z-Rostudirsen (DYNE-251) in Duchenne Muscular Dystrophy; Tomorrow, December 8 at 8:00 a.m. ET

Key Takeaway: Dyne Therapeutics will announce topline results from the Registrational Expansion Cohort of the Phase 1/2 DELIVER trial for DYNE-251 on December 8, 2025. An investor conference call and webcast will be held at 8:00 a.m. ET, with a press release issued beforehand. The event will be accessible via the company's website.
Price reaction · baseline $20.28 (2025-12-05 close) · 3 other DYN headline(s) in the window, move may be shared
day 0 close · peak
+9.5%
day 1
-9.1%
day 3
-4.2%

Market Sentiment Analysis

POSITIVE FACTORS

  • Dyne Therapeutics is set to announce topline results from a significant clinical trial.
  • The webcast aims to provide insights into advancements in Duchenne muscular dystrophy treatment.
  • The company is focused on addressing genetically driven neuromuscular diseases.

BiopharmaWatch Analysis

From our catalyst data and publicly available data · not financial advice
Best trade, last catalyst
+65%
120-day peak, hindsight
Typical move
13%
average across 7 past catalysts
Cash runway
~20 mo
Low dilution risk
Lead asset
Zeleciment Rostudirsen
Phase 3 · Duchenne Muscular Dystrophy (DMD)

Full Press Release Details

WALTHAM, Mass., Dec. 07, 2025 (GLOBE NEWSWIRE) --Dyne Therapeutics, Inc. (Nasdaq: DYN), a clinical-stage company focused on delivering functional improvement for people living with genetically driven neuromuscular diseases, today announced that it plans to announce topline clinical results from the Registrational Expansion Cohort (REC) of the Phase 1/2 DELIVER trial of zeleciment rostudirsen (z-rostudirsen, also known as DYNE-251) on December 8, 2025, and to host a webcast at 8:00 a.m. ET. The company intends to issue a press release prior to the start of the event.
Investor Conference Call and WebcastThe webcast will be available on the Events & Presentations page of the Investors & Media section of Dyne’s website, and a replay will be accessible for 90 days following the presentation. An accompanying slide presentation will also be available. To view the webcast and replay, please visithttps://investors.dyne-tx.com/news-and-events/events-and-presentations.

About Dyne Therapeutics

Dyne Therapeutics is focused on delivering functional improvement for people living with genetically driven neuromuscular diseases. We are developing therapeutics that target muscle and the central nervous system (CNS) to address the root cause of disease. The company is advancing clinical programs for myotonic dystrophy type 1 (DM1) and Duchenne muscular dystrophy (DMD), and preclinical programs for facioscapulohumeral muscular dystrophy (FSHD) and Pompe disease. At Dyne, we are on a mission to deliver functional improvement for individuals, families and communities. Learn more athttps://www.dyne-tx.com/and follow us onX,LinkedInandFacebook.

Frequently Asked Questions

What is the purpose of the investor conference call?

The call aims to review topline results from the DELIVER trial of DYNE-251.

When will the webcast take place?

The webcast is scheduled for December 8, 2025, at 8:00 a.m. ET.

Where can I access the webcast?

The webcast will be available on Dyne's website under the Events & Presentations section.

What is DYNE-251 being tested for?

DYNE-251 is being tested for its efficacy in treating Duchenne muscular dystrophy.

Last updated: Dec 8, 2025