Michelle Gilson - Jan 2, 2025 Form 4 Insider Report for Arcellx, Inc. (ACLX)

Signature
/s/ Michelle Gilson
Stock symbol
ACLX
Transactions as of
Jan 2, 2025
Transactions value $
-$831,379
Form type
4
Date filed
1/6/2025, 09:54 PM
Previous filing
Nov 19, 2024
Next filing
Jan 10, 2025
This filing has been restated, see here for the amended filing

Transactions Table

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 Unit Options Exercise $0 -20.5K -33.33% $0.00 41K Jan 2, 2025 Common Stock 20.5K Direct F1, F4
transaction ACLX Restricted Stock Unit Options Exercise $0 -15.3K -50% $0.00 15.3K Jan 3, 2025 Common Stock 15.3K Direct F1, F5
transaction ACLX Restricted Stock Unit Award $0 +82.1K $0.00 82.1K Jan 6, 2025 Common Stock 82.1K Direct F1, F6
* 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 a broker-assisted sale to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units.
F3 The price reported reflects the weighted average sales price. These shares were sold in multiple transactions at prices that were not available from the broker at the time of filing. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price.
F4 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 2, 2024.
F5 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.
F6 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-fourth (1/4th) 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 four (4) years. "RSU Grant Date" shall mean January 6, 2025.