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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.

111 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 20 trades on this page.

Sale disclosed

Johanna Friedl-Naderer

Chief Commercial Officer

Common Stock

Reported value
$21.92K
Reported price
$24.35 / share
Traded September 4, 2026Filed September 8, 2026SEC filing
Sale disclosed

Johanna Friedl-Naderer

Chief Commercial Officer

Common Stock

Reported value
$3.49K
Reported price
$18.88 / share
Traded September 8, 2026Filed September 8, 2026SEC filing
Sale disclosed

Douglas Kerr

Chief Medical Officer

Common Stock

Reported value
$91.19K
Reported price
$24.35 / share
Traded September 4, 2026Filed September 8, 2026SEC filing
Sale disclosed

Douglas Kerr

Chief Medical Officer

Common Stock

Reported value
$24.36K
Reported price
$18.88 / share
Traded September 8, 2026Filed September 8, 2026SEC filing
Sale disclosed

John Cox

CEO & President

Common Stock

Reported value
$106.82K
Reported price
$18.88 / share
Traded September 8, 2026Filed September 8, 2026SEC filing
Sale disclosed

Jason P. Rhodes

Director

Common Stock

Reported value
$7.03M
Reported price
$26.20 / share
Traded August 13, 2026Filed August 17, 2026SEC filing
Sale disclosed

Jason P. Rhodes

Director

Common Stock

Reported value
$2.47M
Reported price
$26.20 / share
Traded August 13, 2026Filed August 17, 2026SEC filing
Sale disclosed

Jason P. Rhodes

Director

Common Stock

Reported value
$1.67M
Reported price
$26.20 / share
Traded August 13, 2026Filed August 17, 2026SEC filing
Sale disclosed

Jason P. Rhodes

Director

Common Stock

Reported value
$33.99M
Reported price
$25.00 / share
Traded August 14, 2026Filed August 17, 2026SEC filing
Sale disclosed

Jason P. Rhodes

Director

Common Stock

Reported value
$11.96M
Reported price
$25.00 / share
Traded August 14, 2026Filed August 17, 2026SEC filing
Sale disclosed

Jason P. Rhodes

Director

Common Stock

Reported value
$8.06M
Reported price
$25.00 / share
Traded August 14, 2026Filed August 17, 2026SEC filing
Sale disclosed

Johanna Friedl-Naderer

Chief Commercial Officer

Common Stock

Reported value
$5.94K
Reported price
$26.28 / share
Traded August 13, 2026Filed August 17, 2026SEC filing
Sale disclosed

Douglas Kerr

Chief Medical Officer

Common Stock

Reported value
$40.89K
Reported price
$26.28 / share
Traded August 13, 2026Filed August 17, 2026SEC filing
Sale disclosed

John Cox

CEO & President

Common Stock

Reported value
$131.03K
Reported price
$26.28 / share
Traded August 13, 2026Filed August 17, 2026SEC filing
Sale disclosed

Erick Lucera

Chief Financial Officer

Common Stock

Reported value
$47.23K
Reported price
$26.28 / share
Traded August 13, 2026Filed August 17, 2026SEC filing
Sale disclosed

Dirk Kersten

Director

Common Stock

Reported value
$6.53M
Reported price
$25.5024 / share
Traded July 27, 2026Filed July 29, 2026SEC filing
Sale disclosed

Dirk Kersten

Director

Common Stock

Reported value
$140.32K
Reported price
$26.0428 / share
Traded July 27, 2026Filed July 29, 2026SEC filing
Sale disclosed

Jason P. Rhodes

Director

Common Stock

Reported value
$5.77M
Reported price
$22.79 / share
Traded July 6, 2026Filed July 8, 2026SEC filing
Sale disclosed

Jason P. Rhodes

Director

Common Stock

Reported value
$2.9M
Reported price
$22.79 / share
Traded July 6, 2026Filed July 8, 2026SEC filing
Sale disclosed

Jason P. Rhodes

Director

Common Stock

Reported value
$2.28M
Reported price
$22.79 / share
Traded July 6, 2026Filed July 8, 2026SEC filing
Reporting insiderSecurity / transactionAmount / priceValueTraded / disclosedSource
Chief Commercial OfficerCommon StockSale10b5-1900$24.35 / share$21.92KSep 4Filed Sep 8 · 4d laterSEC filing
Chief Commercial OfficerCommon StockSale10b5-1185$18.88 / share$3.49KSep 8Filed Sep 8 · 0d laterSEC filing
Chief Medical OfficerCommon StockSale10b5-13,745$24.35 / share$91.19KSep 4Filed Sep 8 · 4d laterSEC filing
Chief Medical OfficerCommon StockSale10b5-11,290$18.88 / share$24.36KSep 8Filed Sep 8 · 0d laterSEC filing
CEO & PresidentCommon StockSale10b5-15,658$18.88 / share$106.82KSep 8Filed Sep 8 · 0d laterSEC filing
DirectorCommon StockSale10b5-13 trades426,412avg $26.20 / share$11.17MAug 13Filed Aug 17 · 4d later
3 filings
  • 268,354 @ $26.20 · $7.03MSEC filing
  • 94,415 @ $26.20 · $2.47MSEC filing
  • 63,643 @ $26.20 · $1.67MSEC filing
DirectorCommon StockSale10b5-13 trades2,160,516avg $25.00 / share$54.01MAug 14Filed Aug 17 · 3d later
3 filings
  • 1,359,674 @ $25.00 · $33.99MSEC filing
  • 478,377 @ $25.00 · $11.96MSEC filing
  • 322,465 @ $25.00 · $8.06MSEC filing
Chief Commercial OfficerCommon StockSale10b5-1226$26.28 / share$5.94KAug 13Filed Aug 17 · 4d laterSEC filing
Chief Medical OfficerCommon StockSale10b5-11,556$26.28 / share$40.89KAug 13Filed Aug 17 · 4d laterSEC filing
CEO & PresidentCommon StockSale10b5-14,986$26.28 / share$131.03KAug 13Filed Aug 17 · 4d laterSEC filing
Chief Financial OfficerCommon StockSale10b5-11,797$26.28 / share$47.23KAug 13Filed Aug 17 · 4d laterSEC filing
DirectorCommon StockSale10b5-12 trades261,460avg $25.51 / share$6.67MJul 27Filed Jul 29 · 2d later
2 filings
  • 256,072 @ $25.50 · $6.53MSEC filing
  • 5,388 @ $26.04 · $140.32KSEC filing
DirectorCommon StockSale10b5-13 trades480,240avg $22.79 / share$10.94MJul 6Filed Jul 8 · 2d later
3 filings
  • 253,039 @ $22.79 · $5.77MSEC filing
  • 127,182 @ $22.79 · $2.9MSEC filing
  • 100,019 @ $22.79 · $2.28MSEC filing

Showing the latest 20 of 111 trades. Show all 111 trades

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.