Kerr Douglas sold DYN

Source

Document

SEC Form 4

Publisher

U.S. Securities and Exchange Commission (EDGAR)

Document ID

0001814189-26-000004

Machine-readable

Structured copy

Timestamps

Event (reported)

Aug 13, 2026

Published

Aug 17, 2026

Ingested by INSIDER

Nov 5, 02:22 UTC

Last re-read

Nov 5, 02:22 UTC

Extracted facts

Filer

Kerr Douglas

Role

Chief Medical Officer

Transaction

Open-market saleAs filed: “S”

Asset

Dyne Therapeutics, Inc.

Ticker

DYN

Shares

1,556

Price per share

$26.28

Value

$40,892

Execution date (reported)

Aug 13, 2026

Owned after transaction

167.6K shares

Rule 10b5-1 plan

Yes, as checked by the filer

Days from execution to publication

4

Calculation

What this establishes

Kerr Douglas filed this Form 4 reporting a open-market sale of DYN on Aug 13, 2026. It became public on Aug 17, 2026. The filing establishes the reported transaction and the filer's stated role. It does not establish why the trade was made or what the filer knew.

Extraction

Method

Form 4 XML

Confidence

1.00

Chief Medical Officer

Kerr Douglascik:0001814189

Issuer

Dyne Therapeutics, Inc.cik:0001818794

Revision history · 0

No field has changed since this record was first ingested.