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DYNHealthcare

Dyne Therapeutics Inc (DYN) Insider Trading

In the last 90 days, 6 Dyne Therapeutics Inc (DYN) insiders reported 1 open-market purchase totaling $40,000 and 8 sales totaling $65,657,760. The most recent open-market purchase was reported on Oct 2, 2026. Source: SEC Form 4 filings.

SEC-reported filing activity is provided for research purposes and is not investment advice.

90-day C-suite buyers
0
90-day purchase value
$40,000
Corporate buyers
1
Latest transaction
Oct 2, 2026

Executive filings

Open-market transaction history

Purchase and sale summaries are ordered by the latest reported transaction date.

Open-market insider purchase and sale transactions
DateInsider nameRoleTypeSharesPriceTotal value
Oct 2, 2026Brian S PosnerDirectorOpen Market Purchase2,500$16.00$40,000
Sep 8, 2026Johanna Friedl-NadererChief Commercial OfficerSale1,085$23.42$25,408
Sep 8, 2026Douglas KerrChief Medical OfficerSale5,035$22.95$115,546
Sep 8, 2026John CoxCEO & PresidentSale5,658$18.88$106,823
Aug 14, 2026Jason P RhodesDirectorSale2,586,928$25.20$65,184,894
Aug 13, 2026Johanna Friedl-NadererChief Commercial OfficerSale226$26.28$5,939
Aug 13, 2026Douglas KerrChief Medical OfficerSale1,556$26.28$40,892
Aug 13, 2026Erick LuceraChief Financial OfficerSale1,797$26.28$47,225
Aug 13, 2026John CoxCEO & PresidentSale4,986$26.28$131,032
Jul 27, 2026Dirk KerstenDirectorSale261,460$25.51$6,670,760
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Common questions

DYN insider trading FAQ

Are DYN insiders buying or selling?
Over the last 90 days, DYN insiders were net sellers, reporting $40,000 of open-market purchases and $65,657,760 of sales.
When was the last DYN insider purchase?
The most recent open-market purchase of Dyne Therapeutics Inc stock by an insider was reported on Oct 2, 2026, one of 1 purchase in the last 90 days.
Where does DYN insider trading data come from?
Watch Insiders reads the SEC Form 4 filings that Dyne Therapeutics Inc officers, directors, and 10% owners submit to EDGAR, and refreshes this page daily.