Form 4 Filing for Vikram Karnani - Dyne Therapeutics, Inc.

Vikram Karnani, a director at Dyne Therapeutics, Inc. (DYN), reported the acquisition of 59,665 stock options on December 22, 2025. These options, with an exercise price of $20.78, were granted on the same date and are set to expire on December 21, 2035. The underlying securities are 59,665 shares of Common Stock. The options are exercisable immediately and vest over three years in equal monthly installments, with full vesting expected by December 22, 2028. This transaction is classified as an equity offering due to the nature of stock options being granted.