T. Rowe Price Investment Management, Inc. - Aug 31, 2025 SCHEDULE 13G Report for ARCELLX INC COMMON STOCK (ACLX)

Filing Manager: T. Rowe Price Investment Management, Inc.
Reporting Manager: T. Rowe Price Investment Management, Inc.
Security: ARCELLX INC COMMON STOCK
Symbol: ACLX
Shares outstanding: 55.5M shares
Disclosed Ownership: 6.28M shares
Ownership: 11.3%
Form type: SCHEDULE 13G
Date filed: 9/8/2025, 01:36 PM
Date of event: Aug 31, 2025
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.	11.3%	6.28M	6.14M	0	Ellen York	Vice President