Michelle Gilson - May 23, 2022 Form 4 Insider Report for Arcellx, Inc. (ACLX)

Role
Chief Financial Officer
Signature
/s/ Lance Thibault, as Attorney-in-Fact
Stock symbol
ACLX
Transactions as of
May 23, 2022
Transactions value $
$0
Form type
4
Date filed
5/24/2022, 06:56 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
transaction ACLX Stock Option (right to buy) Award $0 +104K $0.00 104K May 23, 2022 Common Stock 104K $8.66 Direct F1
transaction ACLX Restricted Stock Units Award $0 +67.3K $0.00 67.3K May 23, 2022 Common Stock 67.3K 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, 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 May 23, 2022.
F2 Each restricted stock unit represents a contingent right to receive one share of ACLX 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, the restricted stock units 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.