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Dyne Therapeutics Announces Proposed Public Offering of Common Stock
WALTHAM, Mass., Dec. 08, 2025 (GLOBE NEWSWIRE) -- Dyne Therapeutics, Inc. (Nasdaq: DYN), a clinical-stage company focused on delivering functional improvement

About this update from Dyne Therapeutics, Inc.
[{"type":"text","content":"WALTHAM, Mass., Dec. 08, 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 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. Morgan Stanley, Jefferies, Stifel and Guggenheim Securities are acting as joint book-running managers for the offering. The proposed offering is subject to market and other conditions, and there can be no assurance as to whether or when the offering may be completed, or as to the actual size or terms of the offering. The proposed offering is being made pursuant to a shelf registration statement on Form S-3 that was previously filed with the Securities and Exchange Commission (“SEC”) on March 5, 2024 and became automatically effective upon filing. This offering will be made only by means of a prospectus supplement and accompanying prospectus that form a part of the registration statement. A preliminary prospectus supplement relating to and describing the terms of the offering is expected to be filed with the SEC and, if and when filed, copies of the preliminary prospectus supplement relating to the offering may be obtained for free by visiting the SEC’s website at www.sec.gov. Copies of the preliminary prospectus supplement and the accompanying prospectus may also be obtained by contacting: Morgan Stanley & Co. LLC, Attention: Prospectus Department, 180 Varick Street, 2nd Floor, New York, NY 10014, or by email at [email protected]; Jefferies LLC, Attention: Equity Syndicate Prospectus Department, 520 Madison Avenue, New York, NY 10022, by telephone at (877) 821-7388, or by email at [email protected]; Stifel, Nicolaus & Company, Incorporated, Attention: Prospectus Department, One Montgomery Street, Suite 3700, San Francisco, CA 94104, by telephone at (415) 364-2720 or by email at [email protected]; or Guggenheim Securities, LLC, Attention: Equity Syndicate Department, 330 Madison Avenue, 8th Floor, New York, NY 10017, by telephone at (212) 518-9544, or by email...