FMR LLC - 30 Sep 2025 SCHEDULE 13G/A Report for ARCELLX INC COMMON STOCK (ACLX)

Filing Manager
FMR LLC
Reporting Manager
FMR LLC
Symbol
ACLX
Shares outstanding
55.4M shares
Disclosed Ownership
5.76M shares
Ownership
10.4%
Form type
SCHEDULE 13G/A
Filing time
05 Nov 2025, 11:26:26 UTC
Date of event
30 Sep 2025
Previous filing
12 May 2025

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
FMR LLC 10.4% 5.76M 5.76M 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 10.4% 5.76M 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**