Michelle Gilson - Jan 3, 2023 Form 4 Insider Report for Arcellx, Inc. (ACLX)

Role
Chief Financial Officer
Signature
/s/ Michelle Gilson
Stock symbol
ACLX
Transactions as of
Jan 3, 2023
Transactions value $
$0
Form type
4
Date filed
1/5/2023, 03:45 PM
Previous filing
Sep 30, 2022
Next filing
May 25, 2023

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 +70.8K $0.00 70.8K Jan 3, 2023 Common Stock 70.8K $31.03 Direct F1
transaction ACLX Restricted Stock Unit Award $0 +46K $0.00 46K Jan 3, 2023 Common Stock 46K Direct F2, F3
* 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 continuing to be a Service Provider (as defined in the Issuer's 2022 Equity Incentive Plan) through each applicable vesting date, one forty-eighth (1/48th) of the shares subject to the option will vest each month following the Vesting Commencement Date on the same day of the month as the Vesting Commencement Date (or, if there is no corresponding day in a particular month, then the last day of the month) over four (4) years. "Vesting Commencement Date" shall mean January 1, 2023.
F2 Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.
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, one-third (1/3rd) of the RSUs subject to the award will vest each year following the RSU Grant Date on the same day of the month as the RSU Grant Date (or, if there is no corresponding day in a particular month, then the last day of the month) over three (3) years. "RSU Grant Date" shall mean January 3, 2023.