DYNE THERAPEUTICS INC

Ticker: DYN CUSIP: 26818M108 Class: Common Stock

CAPSTONE INVESTMENT ADVISORS, LLC's Holding History (CIK: 0001426196)

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

Q4 2025

Shares 12,700 Value ($000) $248 Avg Close $18.94 Range $12.33 - $25.00

Q1 2024

Shares 20,248 Value ($000) $575 Avg Close $22.62 Range $12.33 - $30.27

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	12,700	$248	$18.94	$12.33 - $25.00
Q1 2024	20,248	$575	$22.62	$12.33 - $30.27