FMR LLC - 31 Mar 2025 SCHEDULE 13G/A Report for ARCELLX INC COMMON STOCK (ACLX)

Filing Manager
FMR LLC
Reporting Manager
FMR LLC
Symbol
ACLX
Shares outstanding
54.8M shares
Disclosed Ownership
6.3M shares
Ownership
11.5%
Form type
SCHEDULE 13G/A
Filing time
12 May 2025, 10:24:40 UTC
Date of event
31 Mar 2025
Previous filing
12 Feb 2025
Next filing
05 Nov 2025

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
FMR LLC 11.5% 6.3M 6.3M 0 Stephanie J. Brown Duly authorized under Power of Attorney effective as of January 3, 2023, by and on behalf of FMR LLC and its direct and indirect subsidiaries*
Abigail P. Johnson 11.5% 6.3M 0 0 Stephanie J. Brown Duly authorized under Power of Attorney effective as of January 26, 2023, by and on behalf of Abigail P. Johnson**