Kristin Myers - May 29, 2025 Form 4 Insider Report for Arcellx, Inc. (ACLX)

Role
Director
Signature
/s/ Michelle Gilson, as Attorney-in-Fact
Stock symbol
ACLX
Transactions as of
May 29, 2025
Transactions value $
$0
Form type
4
Date filed
5/30/2025, 04:16 PM
Previous filing
Mar 20, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Myers Kristin Director C/O ARCELLX, INC., 800 BRIDGE PARKWAY, REDWOOD CITY /s/ Michelle Gilson, as Attorney-in-Fact 2025-05-30 0002018445

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction ACLX Stock Option (right to buy) Award $0 +1.78K $0.00 1.78K May 29, 2025 Common Stock 1.78K $63.68 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Subject to the reporting person's continuing to be a Service Provider (as defined in the 2022 Equity Incentive Plan) through such applicable vesting date, one hundred percent (100%) of the shares subject to the award will vest on the earlier to occur of May 29, 2026 or the next annual meeting of stockholders.