Ownership

John Cox - CEO & President, Director at Dyne Therapeutics, Inc.

Insider Transactions and Holdings

Entity Type: Individual
Role: CEO & President, Director
Stock Symbol: DYN on Nasdaq
Industry: Pharmaceutical Preparations
All Insider Reports: All Insider Reports

John Cox - trading volume in the past year for Dyne Therapeutics, Inc.

	Shares	%	Avg Price	Total $
Buys	+32K	88.7%	$33.04	+$1.06M
Sells	-4.06K	11.3%	$11.83	-$48K
Net	+27.9K	77.5%		+$1.01M

Holdings reported by John Cox for Dyne Therapeutics, Inc.

Security	Num Shares	Value	Price $	Transaction Date	Ownership	Underlying Class	Underlying Amount
Common Stock	146K	$1.73M	$11.83	Mar 5, 2025	Direct
Common Stock	8K	$94.6K	$11.83	Mar 5, 2025	By Trust #1
Common Stock	8K	$94.6K	$11.83	Mar 5, 2025	By Trust #2
Common Stock	8K	$94.6K	$11.83	Mar 5, 2025	By Trust #3
Common Stock	8K	$94.6K	$11.83	Mar 5, 2025	By Trust #4
Stock option (right to buy)	232K			Dec 4, 2024	Direct	Common Stock

Transactions reported by John Cox for Dyne Therapeutics, Inc.

Sym	Class	Transaction	%	Value $	* Price $	Shares	Shares After	Date	Ownership

* An asterisk sign (*) next to the price indicates that the price is likely invalid.