DYNE THERAPEUTICS INC

Ticker: DYN CUSIP: 26818M108 Class: Common Stock

TWINBEECH CAPITAL LP's Holding History (CIK: 0001769646)

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

Q3 2025

Shares 115,341 Value ($000) $1,459 Avg Close $11.41 Range $8.06 - $14.35

Q2 2025

Shares 197,148 Value ($000) $1,877 Avg Close $11.01 Range $6.36 - $15.23

Q1 2025

Shares 58,525 Value ($000) $612 Avg Close $14.30 Range $9.96 - $26.22

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	115,341	$1,459	$11.41	$8.06 - $14.35
Q2 2025	197,148	$1,877	$11.01	$6.36 - $15.23
Q1 2025	58,525	$612	$14.30	$9.96 - $26.22