DYNE THERAPEUTICS INC

Ticker: DYN CUSIP: 26818M108 Class: Common Stock

Vestal Point Capital, LP's Holding History (CIK: 0001974915)

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

Q4 2025

Shares 120,000 Value ($000) $2,347 Avg Close $18.94 Range $12.33 - $25.00

Q3 2025

Shares 2,775,000 Value ($000) $35,104 Avg Close $11.41 Range $8.06 - $14.35

Q2 2025

Shares 727,500 Value ($000) $6,926 Avg Close $11.01 Range $6.36 - $15.23

Q1 2025

Shares 1,800,000 Value ($000) $18,828 Avg Close $14.30 Range $9.96 - $26.22

Q2 2024

Shares 225,000 Value ($000) $7,940 Avg Close $29.06 Range $23.11 - $36.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	120,000	$2,347	$18.94	$12.33 - $25.00
Q3 2025	2,775,000	$35,104	$11.41	$8.06 - $14.35
Q2 2025	727,500	$6,926	$11.01	$6.36 - $15.23
Q1 2025	1,800,000	$18,828	$14.30	$9.96 - $26.22
Q2 2024	225,000	$7,940	$29.06	$23.11 - $36.60