Dyne Therapeutics, Inc. ($DYN) Shares Drop 10.61% Amid Massive Public Offering

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Dyne Therapeutics, Inc. (NASDAQ: DYN) shares tumbled sharply by 10.61% in pre-market trading on Tuesday, July 1, 2025, slipping to $8.51 following public offering of 24.2 million shares. This decline follows a closing price of $9.52 recorded on the previous trading day.

Dyne Therapeutics, Inc. (DYN) has priced an underwritten public offering of 24,242,425 shares of its common stock at $8.25 per share. The gross proceeds from the offering are expected to be $200.0 million before deductions for underwriting discounts, commissions, and offering expenses. The offering is anticipated to close on or about July 2, 2025.