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INSIDER · CIK 1498428

Cox John

CEO & President, Director at Dyne Therapeutics, Inc. (DYN)

↗2 Form 4 rows in the window

Covers original filings from Aug 1, 2026 to Oct 29, 2026. Older trades and amendments are in the SEC history.

$0.00Bought on the market
$238KSold on the market
1Companies
Sep 8, 2026Latest filing
Form 4 trades by Cox John
CompanyTitleTypeOwned
Sep 8, 202616:13Sep 8, 2026DYNDyne Therapeutics, Inc.CEO & President, DirectorS · Sell10b5-1$18.88−5,658357,507-2%−$107K
Aug 17, 202616:07Aug 13, 2026DYNDyne Therapeutics, Inc.CEO & President, DirectorS · Sell10b5-1$26.28−4,986363,165-1%−$131K
Cox John Insider Trades (DYN) | Shameless Cloning