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Dyne Therapeutics Announces Pricing of Upsized $350.0 Million Public Offering of Common Stock

Dyne Therapeutics (DYN) | 2025-12-09

By Ethan Davis

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Dyne Therapeutics announced the pricing of an upsized underwritten public offering of its common stock at $18.44 per share.

The gross proceeds from the offering are expected to be $350.0 million.

The offering is expected to close on or about December 11, 2025.

Public Offering Details

Pricing of 18,980,478 shares at $18.44 per share with expected gross proceeds of $350.0 million.

Underwriters

Morgan Stanley, Jefferies, Stifel, and Guggenheim Securities are acting as joint book-running managers for the offering.

Option for Additional Shares

Underwriters granted a 30-day option to purchase up to an additional 2,847,071 shares at the offering price.

  • Dyne aims to deliver functional improvement for individuals with neuromuscular diseases by focusing on therapeutics targeting muscle and the central nervous system.
  • The successful pricing of the public offering indicates investor confidence in Dyne's mission and potential for future growth.

Dyne Therapeutics' upsized public offering reflects a significant step in funding their mission to address genetically driven neuromuscular diseases.