DYNE THERAPEUTICS INC

Ticker: DYN CUSIP: 26818M108 Class: Common Stock

Brevan Howard Capital Management LP's Holding History (CIK: 0001512857)

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

Q4 2025

Shares 157,969 Value ($000) $3,090 Avg Close $18.94 Range $12.33 - $25.00

Q3 2025

Shares 59,302 Value ($000) $750 Avg Close $11.41 Range $8.06 - $14.35

Q2 2025

Shares 15,123 Value ($000) $144 Avg Close $11.01 Range $6.36 - $15.23

Q4 2024

Shares 28,781 Value ($000) $678 Avg Close $29.58 Range $23.05 - $35.90

Q2 2024

Shares 10,053 Value ($000) $355 Avg Close $29.06 Range $23.11 - $36.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	157,969	$3,090	$18.94	$12.33 - $25.00
Q3 2025	59,302	$750	$11.41	$8.06 - $14.35
Q2 2025	15,123	$144	$11.01	$6.36 - $15.23
Q4 2024	28,781	$678	$29.58	$23.05 - $35.90
Q2 2024	10,053	$355	$29.06	$23.11 - $36.60