

WALTHAM, Mass. , July 21, 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 pricing of an upsized underwritten public offering of 18,300,000 shares of its common stock at a public offering price of $20.

WALTHAM, Mass., July 21, 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 pricing of an upsized underwritten public offering of 18,300,000 shares of its common stock at a public offering price of $20.50 per share. The gross proceeds to Dyne from the offering, before deducting underwriting discounts and commissions and offering expenses payable by Dyne, are expected to be $375,150,000. All shares in the offering are being sold by Dyne. The offering is expected to close on or about July 23, 2026, subject to customary closing conditions. In addition, Dyne has granted the underwriters a 30-day option to purchase up to an additional 2,745,000 shares of its common stock at the public offering price, less the underwriting discounts and commissions.

WALTHAM, Mass., July 21, 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 commenced an underwritten public offering of $300,000,000 of shares of its common stock. Dyne also intends to grant the underwriters a 30-day option to purchase up to an additional $45,000,000 of shares of its common stock. All of the shares in the proposed offering are to be sold by Dyne.

Dyne gains momentum as FDA priority review for its lead DMD therapy and progress in its DM1 program strengthen confidence in its pipeline.

Dyne Therapeutics receives FDA Priority Review for z-rostudirsen in DMD, with a potential U.S. launch in Q1 2027. DYN demonstrates best-in-class dystrophin expression in registrational trials, targeting a $3.5bn market for exon 51 skipping DMD patients. Robust pipeline includes z-basivarsen for DM1, with pivotal data expected Q1 2027 and potential accelerated approval/launch in 2028.

- Priority Review granted; PDUFA target action date set for January 21, 2027 - - Submission for Accelerated Approval based on dystrophin as a surrogate endpoint - - In the registrational expansion cohort of the DELIVER trial, treatment with z-rostudirsen once every 4 weeks 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 - WALTHAM, Mass., July 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 that the U.S. Food and Drug Administration (FDA) has accepted for review the Biologics License Application (BLA) for zeleciment rostudirsen (z-rostudirsen, also known as DYNE-251) for the treatment of individuals with Duchenne muscular dystrophy (DMD) amenable to exon 51 skipping.

Dyne Therapeutics is advancing a clinical-stage platform specifically targeting genetically driven neuromuscular diseases. Recursion Pharmaceuticals utilizes an artificial intelligence OS to accelerate drug discovery across several therapeutic areas.

Dyne Therapeutics focuses on high-potential therapies for rare neuromuscular diseases using its proprietary FORCE platform. Vertex Pharmaceuticals maintains a dominant market share in cystic fibrosis while expanding its reach into gene editing and pain management.
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