DYNE THERAPEUTICS INC

Ticker: DYN CUSIP: 26818M108 Class: Common Stock

Asset Dedication, LLC's Holding History (CIK: 0001475896)

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

Q4 2024

Shares 103 Value ($000) $2 Avg Close $29.58 Range $23.05 - $35.90

Q3 2024

Shares 103 Value ($000) $4 Avg Close $39.80 Range $23.55 - $47.45

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2024	103	$2	$29.58	$23.05 - $35.90
Q3 2024	103	$4	$39.80	$23.55 - $47.45