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Cox John

CEO & President · 2 recent trades · Sold $238K

Cox John (CEO & President) has 2 recent open-market trades disclosed in SEC Form 4 filings. Total sells: $238K. Most recent tickers: DYN.

DateStock ActionValue
2026-09-08 DYN Dyne Therapeutics, Inc. Sell $107K
2026-08-13 DYN Dyne Therapeutics, Inc. Sell $131K

Open-market insider buys and sells disclosed by Cox John in SEC Form 4 filings (excludes routine option/RSU administration). All insider trades →

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DYN stockAll insider trades
FAQ

Which stocks has Cox John traded?

Recent Form 4 activity in: DYN.

How many insider trades has Cox John disclosed?

2 recent open-market transactions on file (SEC Form 4).

Is Cox John buying or selling?

Sells total $238K.

Where does this data come from?

SEC Form 4 insider-transaction filings (open-market buys and sells).

Sourced from SEC Form 4 insider filings · Not investment advice
SEC EDGAR Form 4
Data as of 2026-09-08 · Methodology
Open-market insider transactions (Form 4 codes P/S) as reported to the SEC.
Published by WealthFile · Not investment advice.