Up to $125 million in additional borrowing capacity provides further strategic flexibility - - $50 million of additional capacity funded at amendment closing - WALTHAM, Mass., June 17, 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 entered into an amendment to its non…