DYNE THERAPEUTICS INC

Ticker: DYN CUSIP: 26818M108 Class: Common Stock

Y-Intercept (Hong Kong) Ltd's Holding History (CIK: 0001772875)

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

Q4 2025

Shares 343,726 Value ($000) $6,723 Avg Close $18.94 Range $12.33 - $25.00

Q2 2025

Shares 124,628 Value ($000) $1,186 Avg Close $11.01 Range $6.36 - $15.23

Q1 2025

Shares 80,665 Value ($000) $844 Avg Close $14.30 Range $9.96 - $26.22

Q4 2024

Shares 9,768 Value ($000) $230 Avg Close $29.58 Range $23.05 - $35.90

Q3 2024

Shares 29,694 Value ($000) $1,067 Avg Close $39.80 Range $23.55 - $47.45

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	343,726	$6,723	$18.94	$12.33 - $25.00
Q2 2025	124,628	$1,186	$11.01	$6.36 - $15.23
Q1 2025	80,665	$844	$14.30	$9.96 - $26.22
Q4 2024	9,768	$230	$29.58	$23.05 - $35.90
Q3 2024	29,694	$1,067	$39.80	$23.55 - $47.45