Michelle Gilson - May 23, 2024 Form 4 Insider Report for Arcellx, Inc. (ACLX)

Role
CHIEF FINANCIAL OFFICER
Signature
/s/ Michelle Gilson
Stock symbol
ACLX
Transactions as of
May 23, 2024
Transactions value $
-$614,656
Form type
4
Date filed
5/24/2024, 08:16 PM
Previous filing
Mar 18, 2024
Next filing
Jun 28, 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ACLX Common Stock Options Exercise $0 +22.4K +236.46% $0.00 31.9K May 23, 2024 Direct F1
transaction ACLX Common Stock Sale -$615K -12.1K -37.98% $50.71 19.8K May 24, 2024 Direct F2

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 Restricted Stock Units Options Exercise $0 -22.4K -50% $0.00 22.4K May 23, 2024 Common Stock 22.4K Direct F1, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.
F2 Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of RSUs and does not represent a discretionary sale by the Reporting Person.
F3 Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2022 Equity Incentive Plan) through each applicable vesting date, the RSUs shall vest annually over three (3) years with a cliff every twelve (12) months on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month). "Vesting Commencement Date" shall mean May 23, 2022.