InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (2 ops.)
Browse the detailed record of transactions filed by Cox John, Chief Executive Officer. Director active across 1 companies, notably Dyne Therapeutics, Inc.. Cumulatively, 2 disclosures have been logged. Total volume traded: €104k. The latest transaction was filed on 13 May 2026 — Cession. Regulator: SEC (Form 4). The full history is free.
Declarations2 total
US$51,8863,311 shares@ US$15.67080.0018% mcap100.0% of flow
Common Stock
SEC:0001193125-26-223955·
€51,8863,311 shares@ €15.67080.0018% mcap50.0% of flow
Common Stock
SEC:0001193125-26-223955:0·
2 of 2 declarations
About Cox John
John Cox is the CEO and President of Dyne Therapeutics, Inc. He oversees the company's operations and is responsible for implementing growth strategies. With a strong background in the biopharmaceutical sector, he leads efforts to develop innovative therapies. His leadership is essential in positioning Dyne as a key player in the healthcare field.
