T. Rowe Price Investment Management, Inc. - 28 Feb 2026 SCHEDULE 13G/A 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: 164,064,426 shares
Disclosed Ownership: 26,578,437 shares
Ownership: 16%
Form type: SCHEDULE 13G/A
Filing time: 06 Mar 2026, 12:57:46 UTC
Date of event: 28 Feb 2026
Previous filing: 08 Jan 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.	16%	26,578,437	26,223,470	0	Ellen York	Vice President