DYNE THERAPEUTICS INC

Ticker: DYN CUSIP: 26818M108 Class: Common Stock

abrdn plc's Holding History (CIK: 0001716774)

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

Q4 2025

Shares 1,108,145 Value ($000) $21,675 Avg Close $18.94 Range $12.33 - $25.00

Q3 2025

Shares 556,733 Value ($000) $7,043 Avg Close $11.41 Range $8.06 - $14.35

Q2 2025

Shares 483,963 Value ($000) $4,607 Avg Close $11.01 Range $6.36 - $15.23

Q1 2025

Shares 314,586 Value ($000) $3,291 Avg Close $14.30 Range $9.96 - $26.22

Q4 2024

Shares 25,803 Value ($000) $608 Avg Close $29.58 Range $23.05 - $35.90

Q2 2024

Shares 17,869 Value ($000) $631 Avg Close $29.06 Range $23.11 - $36.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,108,145	$21,675	$18.94	$12.33 - $25.00
Q3 2025	556,733	$7,043	$11.41	$8.06 - $14.35
Q2 2025	483,963	$4,607	$11.01	$6.36 - $15.23
Q1 2025	314,586	$3,291	$14.30	$9.96 - $26.22
Q4 2024	25,803	$608	$29.58	$23.05 - $35.90
Q2 2024	17,869	$631	$29.06	$23.11 - $36.60