Lucera Erick plan to sell securities of Dyne Therapeutics, Inc. under Form 144

Lucera Erick filed Form 144 to notify SEC of plan to sell 2362 units of Dyne Therapeutics, Inc. securities around 2026-06-25, with aggregate market value of $48,103.00. The total outstanding units is 165313796.0. The amount planned to be sold represents 0.00% of total outstanding units; Recent transactions in past 3 months include: On 04/01/2026, sold 5727 units for $106758.00; On 05/13/2026, sold 1448 units for $26592.00;