Dyne Therapeutics

DYN

Market cap $3.37B

- Poster on previously shared positive results from DELIVER clinical trial in Duchenne muscular dystrophy (DMD) contextualizes observed clinical measures of functional improvement for managed care experts -

Dyne Therapeutics, Inc. (DYN) Presents at TD Cowen 46th Annual Health Care Conference Prepared Remarks Transcript

Dyne Therapeutics maintains a strong $1.1B cash position, funding operations into mid-2028 despite heavy R&D and operating expenses in 2025. Encouraging long-term cardiopulmonary data from the DELIVER trial of z-rostudirsen (DYNE-251) strengthens the bull case for DMD therapy. Initiation of the pivotal Phase 3 HARMONIA trial for DYNE-101 in DM1 marks a critical regulatory and value inflection point.

- HARMONIA trial will assess multi-system efficacy, safety and tolerability of z-basivarsen in DM1  - - 48-week trial will enroll approximately 150 individuals, and first sites are now open for enrollment - - Primary endpoint is the five times sit to stand (5xSTS) test; secondary and exploratory endpoints will assess muscle function, CNS manifestations, and patient- and clinician-reported outcomes - - HARMONIA 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., March 08, 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 HARMONIA trial of zeleciment basivarsen (z-basivarsen, also known as DYNE-101), in individuals with myotonic dystrophy type 1 (DM1).

- New analyses out to 24-months showed improvement in heart and lung function compared to expected declines in DMD natural history - - Data expand on previously reported results demonstrating that z-rostudirsen treatment led to sustained functional improvement across multiple clinical measures - WALTHAM, Mass., March 08, 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 additional positive data from the ongoing Phase 1/2 DELIVER clinical trial of zeleciment rostudirsen (z-rostudirsen, also known as DYNE-251), in individuals with Duchenne muscular dystrophy (DMD) amenable to exon 51 skipping.

209,523-share increase in Dyne Therapeutics; estimated transaction value $3.97 million (based on quarterly average pricing) Quarter-end position in Dyne Therapeutics rose $12.82 million in value, reflecting both trading and stock price movement Transaction represented a 0.55% change relative to Palo Alto Investors' 13F AUM Fund now holds 1,472,197 shares in the company, worth $28.80 million as of December 31, 2025 Stake is 4.01% of reported AUM, which places it outside the fund's top five holdings

- Planned submission for U.S. Accelerated Approval of z-rostudirsen on track for Q2 2026; potential launch in Q1 2027 -

WALTHAM, Mass., Feb. 25, 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:

- Late-breaking poster to feature new positive cardiopulmonary function results from the DELIVER trial of z-rostudirsen in DMD -

BOSTON, Feb. 02, 2026 (GLOBE NEWSWIRE) -- Sparrow Pharmaceuticals, a targeted cardiometabolic therapeutics company, today announced the appointment of Carlo Incerti, M.D., to its Board of Directors, effective January 1, 2026. Dr. Incerti is a highly accomplished executive with a strong background in medicine and over 35 years of strategic experience in the biopharmaceutical industry.