Michelle Gilson - May 23, 2023 Form 4 Insider Report for Arcellx, Inc. (ACLX)

Role
Chief Financial Officer
Signature
/s/ Michelle Gilson
Stock symbol
ACLX
Transactions as of
May 23, 2023
Transactions value $
-$626,151
Form type
4
Date filed
5/25/2023, 08:21 PM
Previous filing
Jan 5, 2023
Next filing
Jan 4, 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 +1273.59% $0.00 24.2K May 23, 2023 Direct F1, F2
transaction ACLX Common Stock Sale -$363K -8.55K -35.36% $42.47 15.6K May 24, 2023 Direct F3
transaction ACLX Common Stock Sale -$6.25K -150 -0.96% $41.64 15.5K May 24, 2023 Direct F3
transaction ACLX Common Stock Sale -$257K -6K -38.75% $42.77 9.49K May 25, 2023 Direct F4

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 -33.33% $0.00 44.9K May 23, 2023 Common Stock 22.4K Direct F1, F5
* 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 Includes 1,761 shares of Common Stock acquired under the Issuer's 2022 Employee Stock Purchase Plan on May 12, 2023.
F3 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.
F4 Represents the weighted average share price of an aggregate total of 6,000 shares sold in the price range of $42.73 to $42.8605 by the Reporting Person. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
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, 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.