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D

DYN

Nasdaq

Dyne Therapeutics, Inc.

Latest disclosureOctober 6, 2026
Insider score Why 23?
23/ 100
Qualifying buys · 30d
$40K

6 purchases · 111 sales

Price by TradingViewDelayed quote from TradingView, for viewing only. It does not power Whale Atlas scores or alerts. If the quote does not load, open the TradingView link.

Insider transactions 126

Limited filing history
All126Buying6Selling111Other9
Filters

Last 30 daysInsiders bought $40K · 1 buyer, led by Brian S. Posner (Director) with $40K. Sales: $247.78K by 3 insiders.

9 of 126 trades · March 30, 2026 – October 2, 2026Incomplete history: this shows the filings imported so far, not every filing ever made. Dates are trade dates. Filters affect this table only.

Showing the first 6 of 9 trades on this page.

Award disclosed

Barry E. Greene

Director

Stock option (right to buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded June 22, 2026Filed June 23, 2026SEC filing
Award disclosed

Edward Hurwitz

Director

Stock option (right to buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded June 5, 2026Filed June 9, 2026SEC filing
Award disclosed

David Charles Lubner

Director

Stock option (right to buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded June 5, 2026Filed June 9, 2026SEC filing
Award disclosed

Jason P. Rhodes

Director

Stock option (right to buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded June 5, 2026Filed June 9, 2026SEC filing
Award disclosed

Dirk Kersten

Director

Stock option (right to buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded June 5, 2026Filed June 9, 2026SEC filing
Award disclosed

Carlo Incerti

Director

Stock option (right to buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded June 5, 2026Filed June 9, 2026SEC filing
Award disclosed

Catherine Stehman-Breen

Director

Stock option (right to buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded June 5, 2026Filed June 9, 2026SEC filing
Award disclosed

Brian S. Posner

Director

Stock option (right to buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded June 5, 2026Filed June 9, 2026SEC filing
Gift disclosed

David Charles Lubner

Director

Common Stock

Value context
Not a purchase
Reported price
Gift · no purchase price
Understand this price

The filing reports a zero transaction price for this gift. It does not establish the market value of the gift.

Traded April 24, 2026Filed April 28, 2026SEC filing
Reporting insiderSecurity / transactionAmount / priceValueTraded / disclosedSource
DirectorStock option (right to buy)Grant or awardDerivative units57,463Award · no purchase priceNon-cash awardJun 22Filed Jun 23 · 1d laterSEC filing
DirectorStock option (right to buy)Grant or awardDerivative units35,152Award · no purchase priceNon-cash awardJun 5Filed Jun 9 · 4d laterSEC filing
DirectorStock option (right to buy)Grant or awardDerivative units35,152Award · no purchase priceNon-cash awardJun 5Filed Jun 9 · 4d laterSEC filing
DirectorStock option (right to buy)Grant or awardDerivative units35,152Award · no purchase priceNon-cash awardJun 5Filed Jun 9 · 4d laterSEC filing
DirectorStock option (right to buy)Grant or awardDerivative units35,152Award · no purchase priceNon-cash awardJun 5Filed Jun 9 · 4d laterSEC filing
DirectorStock option (right to buy)Grant or awardDerivative units35,152Award · no purchase priceNon-cash awardJun 5Filed Jun 9 · 4d laterSEC filing
DirectorStock option (right to buy)Grant or awardDerivative units35,152Award · no purchase priceNon-cash awardJun 5Filed Jun 9 · 4d laterSEC filing
DirectorStock option (right to buy)Grant or awardDerivative units35,152Award · no purchase priceNon-cash awardJun 5Filed Jun 9 · 4d laterSEC filing
DirectorCommon StockGift53,625Gift · no purchase priceNot a purchaseApr 24Filed Apr 28 · 4d laterSEC filing

Congress transactions 0

All Congress filings
No disclosed congressional trades for DYN in the imported filings.

This reflects the filings imported so far, not a complete trading history.

Explore furtherTechnical lab Company financials Test a strategy Compare company

Why this buying score?

Qualifying common-equity purchase value

$79,200 of common-equity purchase value after transaction-age decay across 180 days.

+6 pts

Distinct buying groups

1 distinct reporting-owner group(s). Joint rows count once; identity is not proof of discretion.

+7 pts

Material reported holdings increase

At least one row increased reported same-security holdings by 10% or established a new reported position; indirect interests may overlap.

+10 pts

This score describes qualifying insider purchases at issuer level. Read the methodology

Sources and coverage

Limited filing history · Market-wide discovery does not establish complete company history. View coverage
Source
SEC EDGAR · Form 4
Issuer CIK
0001818794
Latest public acceptance
Oct 6, 2026, 08:15 PM UTC
Score calculated
Oct 7, 2026, 12:10 AM UTC
Parser
form4-parser-1.5
Classifier
form4-classifier-1.1
Scoring methodology
insider-experimental-1.1
Availability
Public filing time, not trade date

Open a transaction's SEC filing for the primary evidence. A code P may describe an open-market or private purchase; classification is not proof of intent.

Insider activity can have many explanations. Signal Strength is not a probability of profit or a recommendation to trade.