Cox John

Cox John is listed in filings as CEO & President at Dyne Therapeutics, Inc.. This profile follows SEC Form 4 activity through May 14, 2026, including sale activity and purchase activity. Recent filings connect the profile to Dyne Therapeutics, Inc. (DYN). The current snapshot covers public activity from Sep 4, 2024 to May 14, 2026. Reported amounts are shown as $60.8K to $4.6M. The page organizes purchases, sales, issuer links, reported share activity, and filing evidence for review as public disclosure data.