DYNE THERAPEUTICS INC

Ticker: DYN CUSIP: 26818M108 Class: Common Stock

Arrowpoint Investment Partners (Singapore) Pte. Ltd.'s Holding History (CIK: 0002032331)

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

Q4 2025

Shares 14,383 Value ($000) $281 Avg Close $18.94 Range $12.33 - $25.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	14,383	$281	$18.94	$12.33 - $25.00