DYNE THERAPEUTICS INC

Ticker: DYN CUSIP: 26818M108 Class: Common Stock

Commodore Capital LP's Holding History (CIK: 0001831942)

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

Q4 2023

Shares 900,000 Value ($000) $11,970 Avg Close $9.77 Range $6.40 - $13.88

Q1 2022

Shares 305,125 Value ($000) $2,941 Avg Close $8.51 Range $6.39 - $12.66

Q4 2021

Shares 305,125 Value ($000) $3,628 Avg Close $14.05 Range $11.56 - $16.48

Q3 2021

Shares 305,125 Value ($000) $4,955 Avg Close $17.73 Range $15.22 - $21.70

Q2 2021

Shares 305,125 Value ($000) $6,420 Avg Close $18.80 Range $15.13 - $22.92

Q1 2021

Shares 430,112 Value ($000) $6,680 Avg Close $19.35 Range $13.50 - $32.31

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2023	900,000	$11,970	$9.77	$6.40 - $13.88
Q1 2022	305,125	$2,941	$8.51	$6.39 - $12.66
Q4 2021	305,125	$3,628	$14.05	$11.56 - $16.48
Q3 2021	305,125	$4,955	$17.73	$15.22 - $21.70
Q2 2021	305,125	$6,420	$18.80	$15.13 - $22.92
Q1 2021	430,112	$6,680	$19.35	$13.50 - $32.31