Michelle Gilson - 23 May 2024 Form 4 Insider Report for Arcellx, Inc. (ACLX)

Signature
/s/ Michelle Gilson
Issuer symbol
ACLX
Transactions as of
23 May 2024
Net transactions value
-$614,656
Form type
4
Filing time
24 May 2024, 20:16:43 UTC
Previous filing
18 Mar 2024
Next filing
28 Jun 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ACLX Common Stock Options Exercise $0 +22,428 +236% $0.000000 31,913 23 May 2024 Direct F1
transaction ACLX Common Stock Sale $614,656 -12,121 -38% $50.71 19,792 24 May 2024 Direct F2

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 -22,428 -50% $0.000000 22,429 23 May 2024 Common Stock 22,428 Direct F1, F3
* 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 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.
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 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.