Insider Title Company Date Price Return Shares Value
Cox John CEO Dyne Therapeutics, Inc. (DYN) 2025-07-14 $9.11 0.0% 100,000 $911,000
Cox John CEO Dyne Therapeutics, Inc. (DYN) 2024-09-04 $33.04 1.9% 32,000 $1,057,216
Return Profit / (loss) Cost
Total 1.0% $19,584 $1,968,216