Dyne Therapeutics Appoints Barry Greene to Board of Directors

WALTHAM, Mass., June 22, 2026 (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 the appointment of Barry Greene to its Board of Directors. Mr. Greene brings more than three decades of biopharmaceutical industry experience and a track record of building and scaling innovative companies from development through commercialization across rare diseases, neuroscience, and oncology.

GlobeNewsWire • Jun 22, 2026

Dyne Therapeutics Reports Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)

WALTHAM, Mass., June 18, 2026 (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 has granted inducement equity awards to 6 newly hired employees. The awards were made as an inducement material to the newly hired employees' acceptance of employment with Dyne in accordance with Nasdaq Listing Rule 5635(c)(4).

GlobeNewsWire • Jun 18, 2026

Dyne Therapeutics Announces Expanded Debt Facility of Up To $400 Million with Hercules Capital, Inc.

- Up to $125 million in additional borrowing capacity provides further strategic flexibility - - $50 million of additional capacity funded at amendment closing - WALTHAM, Mass., June 17, 2026 (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 has entered into an amendment to its non-dilutive senior secured term loan facility with Hercules Capital, Inc. (NYSE: HTGC), a leader in customized debt financing for companies in the life sciences and technology-related markets.

GlobeNewsWire • Jun 17, 2026

Dyne Therapeutics Announces Completion of Enrollment in Registrational Expansion Cohort of ACHIEVE Trial of Z-Basivarsen for Myotonic Dystrophy Type 1 (DM1)

- Registrational expansion cohort enrolled 71 participants; topline data planned for Q1 2027 -  WALTHAM, Mass., June 03, 2026 (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 the completion of enrollment in the registrational expansion cohort (REC) of the Phase 1/2 ACHIEVE trial of zeleciment basivarsen (z-basivarsen, also known as DYNE-101) in individuals with DM1.

GlobeNewsWire • Jun 3, 2026

Dyne Therapeutics Stock Gains 4.5% After BLA Filing for DMD Therapy

DYN shares jump after the company files a BLA with the FDA for z-rostudirsen in Duchenne muscular dystrophy.

Zacks Investment Research • May 27, 2026

Dyne Therapeutics Announces Submission of Biologics License Application (BLA) to U.S. FDA for Z-Rostudirsen in Exon 51 Duchenne Muscular Dystrophy (DMD)

- Submission for Accelerated Approval based on dystrophin as a surrogate endpoint - - In the registrational expansion cohort of the DELIVER trial, treatment with z-rostudirsen resulted in a robust and statistically significant increase in dystrophin production with functional improvement observed across multiple clinical endpoints and a favorable safety profile 1 - - Proposed dosing regimen of 20 mg/kg administered intravenously once every 4 weeks (Q4W) - WALTHAM, Mass., May 26, 2026 (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 the submission of a Biologics License Application (BLA) to the U.S. Food and Drug Administration (FDA) for zeleciment rostudirsen (z-rostudirsen, also known as DYNE-251) 20 mg/kg Q4W for the treatment of individuals with Duchenne muscular dystrophy (DMD) amenable to exon 51 skipping.

GlobeNewsWire • May 26, 2026

Dyne Stock Gains 10% on Initiation of Late-Stage Study in DMD Patients

DYN shares jump 10% after launching a phase III study of z-rostudirsen in Duchenne muscular dystrophy patients amenable to exon 51 skipping.

Zacks Investment Research • May 21, 2026

Dyne Therapeutics: 'Strong Buy' Due To Upcoming Z-Rostudirsen BLA Submission

Dyne Therapeutics, Inc. retains a Strong Buy rating, driven by clinical progress in DM1 and DMD programs targeting significant unmet needs. DYN expects to file a BLA for z-rostudirsen in DMD exon 51 skipping patients in Q2 2026, with potential commercialization by Q1 2027. Top-line data from the phase 1/2 ACHIEVE REC study in DM1 is anticipated in Q1 2027, supporting future accelerated approval filings.

Seeking Alpha • May 21, 2026

Dyne Therapeutics Announces Initiation of Phase 3 FORZETTO Trial of Z-Rostudirsen in Duchenne Muscular Dystrophy (DMD) Ahead of Planned BLA Submission for U.S. Accelerated Approval

- 72-week trial will enroll approximately 90 participants; first site now open for enrollment - - Primary endpoint is rise from floor (RFF) velocity with multiple secondary endpoints to assess muscle and pulmonary function - - FORZETTO trial design and protocol aligned with FDA; trial intended to serve as confirmatory trial for traditional approval in the U.S. and support ex-U.S. marketing applications - WALTHAM, Mass., May 20, 2026 (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 the initiation of the Phase 3 FORZETTO trial of zeleciment rostudirsen (z-rostudirsen, also known as DYNE-251), in individuals with Duchenne muscular dystrophy (DMD) amenable to exon 51 skipping.

GlobeNewsWire • May 20, 2026

Dyne Therapeutics to Participate in Upcoming Investor Conferences

WALTHAM, Mass., May 13, 2026 (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 management is scheduled to participate in the following upcoming investor conferences:

GlobeNewsWire • May 13, 2026