DYNE THERAPEUTICS INC

Ticker: DYN CUSIP: 26818M108 Class: Common Stock

XTX Topco Ltd's Holding History (CIK: 0001828301)

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

Q4 2025

Shares 56,661 Value ($000) $1,108 Avg Close $18.94 Range $12.33 - $25.00

Q3 2025

Shares 29,215 Value ($000) $370 Avg Close $11.41 Range $8.06 - $14.35

Q2 2025

Shares 36,463 Value ($000) $347 Avg Close $11.01 Range $6.36 - $15.23

Q1 2025

Shares 31,574 Value ($000) $330 Avg Close $14.30 Range $9.96 - $26.22

Q3 2024

Shares 15,943 Value ($000) $573 Avg Close $39.80 Range $23.55 - $47.45

Q4 2023

Shares 24,511 Value ($000) $326 Avg Close $9.77 Range $6.40 - $13.88

Q1 2023

Shares 10,629 Value ($000) $122 Avg Close $12.99 Range $10.71 - $15.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	56,661	$1,108	$18.94	$12.33 - $25.00
Q3 2025	29,215	$370	$11.41	$8.06 - $14.35
Q2 2025	36,463	$347	$11.01	$6.36 - $15.23
Q1 2025	31,574	$330	$14.30	$9.96 - $26.22
Q3 2024	15,943	$573	$39.80	$23.55 - $47.45
Q4 2023	24,511	$326	$9.77	$6.40 - $13.88
Q1 2023	10,629	$122	$12.99	$10.71 - $15.60