T. Rowe Price Investment Management, Inc. - 31 Dec 2025 SCHEDULE 13G/A 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: 57,707,240 shares
Disclosed Ownership: 10,560,425 shares
Ownership: 18%
Form type: SCHEDULE 13G/A
Filing time: 17 Feb 2026, 10:28:30 UTC
Date of event: 31 Dec 2025
Previous filing: 05 Dec 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.	18%	10,560,425	10,266,287	0	Ellen York	Vice President