DYNE THERAPEUTICS INC

Ticker: DYN CUSIP: 26818M108 Class: Common Stock

AMERIPRISE FINANCIAL INC's Holding History (CIK: 0000820027)

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

Q4 2025

Shares 197,691 Value ($000) $3,867 Avg Close $18.94 Range $12.33 - $25.00

Q3 2025

Shares 422,656 Value ($000) $5,347 Avg Close $11.41 Range $8.06 - $14.35

Q2 2025

Shares 285,004 Value ($000) $2,713 Avg Close $11.01 Range $6.36 - $15.23

Q1 2025

Shares 206,965 Value ($000) $2,165 Avg Close $14.30 Range $9.96 - $26.22

Q4 2024

Shares 219,635 Value ($000) $5,175 Avg Close $29.58 Range $23.05 - $35.90

Q3 2024

Shares 212,900 Value ($000) $7,647 Avg Close $39.80 Range $23.55 - $47.45

Q2 2024

Shares 26,028 Value ($000) $919 Avg Close $29.06 Range $23.11 - $36.60

Q2 2023

Shares 13,300 Value ($000) $150 Avg Close $11.80 Range $8.04 - $15.02

Q1 2023

Shares 49,511 Value ($000) $570 Avg Close $12.99 Range $10.71 - $15.60

Q4 2022

Shares 23,220 Value ($000) $269 Avg Close $11.57 Range $9.06 - $14.55

Q3 2022

Shares 23,220 Value ($000) $295 Avg Close $11.47 Range $6.76 - $15.63

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	197,691	$3,867	$18.94	$12.33 - $25.00
Q3 2025	422,656	$5,347	$11.41	$8.06 - $14.35
Q2 2025	285,004	$2,713	$11.01	$6.36 - $15.23
Q1 2025	206,965	$2,165	$14.30	$9.96 - $26.22
Q4 2024	219,635	$5,175	$29.58	$23.05 - $35.90
Q3 2024	212,900	$7,647	$39.80	$23.55 - $47.45
Q2 2024	26,028	$919	$29.06	$23.11 - $36.60
Q2 2023	13,300	$150	$11.80	$8.04 - $15.02
Q1 2023	49,511	$570	$12.99	$10.71 - $15.60
Q4 2022	23,220	$269	$11.57	$9.06 - $14.55
Q3 2022	23,220	$295	$11.47	$6.76 - $15.63