Arcellx, Inc.

Ownership Transactions Reported by 23 Insiders

Symbol
ACLX on Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
Location
800 Bridge Parkway, Redwood City, CA

Insiders trading volume in the past year

Arcellx, Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Gilead Sciences, Inc. 10%+ Owner $371M Dec 28, 2023
NEA Partners 15, L.P. 10%+ Owner $262M Dec 20, 2022
New Enterprise Associates 15, L.P. 10%+ Owner $262M Dec 20, 2022
Novo Holdings A/S 10%+ Owner $222M Feb 8, 2022
Lewis T. Williams Director $116M Feb 8, 2022
Sr One Capital Management, Llc 10%+ Owner $91.7M May 11, 2023
Rami Elghandour President, CEO and Chairman of the Board, Director $43.4M -$7.01M -13.9% Aug 28, 2025
Michelle Gilson Chief Financial Officer $10.7M -$4.93M -31.6% Oct 3, 2025
Andrew H. Galligan Director $358K May 29, 2025
Ali Behbahani Director $343K Aug 12, 2025
Christopher Heery Chief Medical Officer $51.3K -$4.7M -98.9% Sep 30, 2025
Mohamad Makhzoumi 10%+ Owner $15.6K Dec 20, 2022
Peter W. Sonsini 10%+ Owner $663 Dec 20, 2022
Kavita Patel Director $0 -$7.29M -100% Jun 10, 2025
Olivia C. Ware Director May 29, 2025
David Lubner Director May 29, 2025
Anthony A. Florence Jr. 10%+ Owner Dec 20, 2022
Kristin Myers Director May 29, 2025
Scott D. Sandell 10%+ Owner Dec 23, 2022
Lance E. Thibault Interim Chief Financial Officer Exhibit 24 - Power of Attorney Feb 3, 2022
Derek Yoon Director May 28, 2024
Jill Carroll Director May 29, 2025
Forest Baskett 10%+ Owner Dec 20, 2022

Recent Insider Transactions by Companies or Individuals for Arcellx, Inc.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.