DYNE THERAPEUTICS INC

Ticker: DYN CUSIP: 26818M108 Class: Common Stock

TWO SIGMA SECURITIES, LLC's Holding History (CIK: 0001450144)

Note: Option positions (PUT/CALL) are excluded.

Q2 2025

Shares 11,377 Value ($000) $108 Avg Close $11.01 Range $6.36 - $15.23

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	11,377	$108	$11.01	$6.36 - $15.23