Ali Behbahani - Aug 12, 2025 Form 4 Insider Report for Arcellx, Inc. (ACLX)

Role
Director
Signature
/s/ Zachary Bambach, attorney-in-fact
Stock symbol
ACLX
Transactions as of
Aug 12, 2025
Transactions value $
$0
Form type
4
Date filed
8/14/2025, 06:22 PM
Previous filing
Jun 20, 2025
Next filing
Aug 19, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Behbahani Ali Director 2855 SAND HILL ROAD, MENLO PARK /s/ Zachary Bambach, attorney-in-fact 2025-08-14 0001613867

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ACLX Common Stock Other $0 +1.59K +467.85% $0.00 1.93K Aug 12, 2025 Direct F1
transaction ACLX Common Stock Other $0 +2.62K +3083.53% $0.00 2.71K Aug 12, 2025 See Note 3 F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 NEA Partners 15, L.P. ("NEA Partners 15") made a pro rata distribution for no consideration of shares of Common Stock of the Issuer to its limited partners on August 12, 2025. The Reporting Person received 1,586 shares of Common Stock of the Issuer in the distribution by NEA Partners 15 on August 12, 2025.
F2 The Ali Behbahani Revocable Trust Dated June 26, 2015 (the "Behbahani Trust") received 2,621 shares of Common Stock of the Issuer in the distribution by NEA Partners 15 on August 12, 2025.
F3 The Reporting Person is a trustee of the Behbahani Trust, which is the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership within the meaning of Section 16 of the 1934 Act, as amended, or otherwise of such portion of the securities held by the Behbahani Trust in which the Reporting Person has no pecuniary interest.