T. Rowe Price Investment Management, Inc. - 31 Dec 2025 SCHEDULE 13G Report for DYNE THERAPEUTICS INC COMMON STOCK (DYN)

Filing Manager: T. Rowe Price Investment Management, Inc.
Reporting Manager: T. Rowe Price Investment Management, Inc.
Security: DYNE THERAPEUTICS INC COMMON STOCK
Symbol: DYN
Shares outstanding: 163,926,065 shares
Disclosed Ownership: 17,540,089 shares
Ownership: 11%
Form type: SCHEDULE 13G
Filing time: 08 Jan 2026, 12:15:31 UTC
Date of event: 31 Dec 2025
Next filing: 06 Mar 2026
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
T. Rowe Price Investment Management, Inc.	11%	17,540,089	17,517,597	0	Ellen York	Vice President