Perceptive Advisors Llc - Mar 31, 2025 SCHEDULE 13G/A Report for Arcellx, Inc. Common Stock, par value $0.001 per share (ACLX)

Filing Manager
PERCEPTIVE ADVISORS LLC
Reporting Manager
Perceptive Advisors LLC
Security
Arcellx, Inc. Common Stock, par value $0.001 per share
Symbol
ACLX
Shares outstanding
55.2M shares
Disclosed Ownership
2.93M shares
Ownership
5.3%
Form type
SCHEDULE 13G/A
Date filed
5/15/2025, 04:30 PM
Date of event
Mar 31, 2025
Next filing
Aug 14, 2025
SEC
View on sec.gov

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Perceptive Advisors LLC 5.3% 2.93M 0 2.93M /s/ Joseph Edelman Joseph Edelman, Managing Member
Joseph Edelman 5.3% 2.93M 0 2.93M /s/ Joseph Edelman Joseph Edelman
Perceptive Life Sciences Master Fund, Ltd. 5.3% 2.93M 0 2.93M /s/ Joseph Edelman Joseph Edelman, Managing Member