How many insider trades does FilingIQ track for DYN?

FilingIQ tracks 722 Form 4 insider transactions for DYN (Dyne Therapeutics, Inc.), covering filings from Jan 15, 2015 onwards. 72 of those were filed in the last 90 days.

Are DYN insiders net buyers or net sellers?

Across the full Form 4 history for DYN, 43 transactions (6%) were open-market purchases and 438 (61%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does DYN insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.

What sector is DYN in?

Dyne Therapeutics, Inc. (DYN) is classified in the Healthcare sector, specifically Biotechnology, with a current market capitalisation of $2.54B.

DYN insider trading

NasdaqGS Healthcare

Dyne Therapeutics, Inc. — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades

722

Last 90 days

Buys / sells

6% / 61%

Market cap

$2.54B

About Dyne Therapeutics, Inc.

Dyne Therapeutics, Inc., a clinical-stage neuromuscular disease company, focuses on discovering and developing therapeutics for neuromuscular diseases in the United States. It is developing a portfolio of muscle disease therapeutics, including programs in myotonic dystrophy type 1; duchenne muscular dystrophy; facioscapulohumeral dystrophy; and Pompe disease, as well as rare skeletal muscle, and cardiac and metabolic muscle diseases using its FORCE platform that delivers disease-modifying therapeutics. The company was incorporated in 2017 and is headquartered in Waltham, Massachusetts.

Company website: www.dyne-tx.com

DYN insider activity at a glance

FilingIQ has scored 722 insider transactions for DYN since Jan 15, 2015. The most recent filing in our index is dated May 13, 2026.

Across the full history, 43 open-market purchases and 438 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on DYN insider trades is 55.1/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live DYN trades on FilingIQ Raw filings on SEC EDGAR

Latest DYN Form 4 filings

Brumm Joshua T CEO & President

S Mar 8, 2024

Brumm Joshua T CEO & President

S Mar 1, 2024

Most recent disclosures. Sign up to filter by score, transaction code, or insider role.

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13F funds holding DYN

Artal Group S.A.

$43.09M · 1.1% of AUM

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Sofinnova Investments, Inc.

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Frequently asked

How many insider trades does FilingIQ track for DYN?: FilingIQ tracks 722 Form 4 insider transactions for DYN (Dyne Therapeutics, Inc.), covering filings from Jan 15, 2015 onwards. 72 of those were filed in the last 90 days.
Are DYN insiders net buyers or net sellers?: Across the full Form 4 history for DYN, 43 transactions (6%) were open-market purchases and 438 (61%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does DYN insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is DYN in?: Dyne Therapeutics, Inc. (DYN) is classified in the Healthcare sector, specifically Biotechnology, with a current market capitalisation of $2.54B.

Methodology & sources

Every DYN insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.