Christopher Heery - Feb 3, 2022 Form 3 Insider Report for Arcellx, Inc. (ACLX)

Role
Chief Medical Officer
Signature
/s/ Lance Thibault, as Attorney-in-Fact
Stock symbol
ACLX
Transactions as of
Feb 3, 2022
Transactions value $
$0
Form type
3
Date filed
2/3/2022, 04:21 PM
Next filing
Sep 30, 2022

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
holding ACLX Stock Option (right to buy) Feb 3, 2022 Common Stock 262K $6.28 Direct F1
holding ACLX Stock Option (right to buy) Feb 3, 2022 Common Stock 29.1K $6.28 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares issued pursuant to the Issuer's 2017 Equity Incentive Plan (the "2017 Plan"). Subject to the Reporting Person continuing to be a Service Provider (as defined 2017 Plan) through each applicable date, twenty-five percent (25%) of the shares subject to the option shall vest on the one (1) year anniversary of the Vesting Commencement Date, and one forty-eighth (1/48th) of the shares subject to the option shall vest each month thereafter 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 April 26, 2021.
F2 Shares issued pursuant to the Issuer's 2017 Equity Incentive Plan (the "2017 Plan"). Subject to the Reporting Person continuing to be a Service Provider (as defined 2017 Plan) through each applicable date, one forty-eighth (1/48th) of the shares subject to the option shall vest each month following the Vesting Commencement Date 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 June 9, 2021.

Remarks:

Exhibit 24 - Power of Attorney