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Filing Details

Accession Number:: 0001415889-24-016939
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2024-06-14 16:31:01
Reporting Period:: 2024-06-12

Accepted Time:: 2024-06-14 16:31:01
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1786205	Arcellx Inc.	ACLX	Biological Products, (No Disgnostic Substances) (2836)	472855917

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1789632	Christopher Heery	C/O Arcellx, Inc. 800 Bridge Parkway Redwood City CA 94065	Chief Medical Officer	No	No	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2024-06-12	7,964	$6.28	17,242	No	4	M	Direct
Common Stock	Acquisiton	2024-06-12	12,036	$15.00	29,278	No	4	M	Direct
Common Stock	Disposition	2024-06-12	19,918	$55.13	9,360	No	4	S	Direct
Common Stock	Disposition	2024-06-12	82	$56.03	9,278	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	M	Direct
No	4	S	Direct
No	4	S	Direct

Reported Derivative Transactions

Show Other Fields >>

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Stock Option (right to buy)	Disposition	2024-06-12	7,964	$0.00	7,964	$6.28
Common Stock	Stock Option (right to buy)	Disposition	2024-06-12	12,036	$0.00	12,036	$15.00

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
87,209		2031-06-09	No	4	M	Direct
203,169		2032-02-03	No	4	M	Direct

Footnotes

Includes 340 shares acquired under the Issuer's 2022 Employee Stock Purchase Plan on May 14, 2024.
The sale of shares reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 22, 2023.
Represents the weighted average share price of an aggregate total of 19,918 shares sold in the price range of $55.00 to $55.96 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.
Represents the weighted average share price of an aggregate total of 82 shares sold in the price range of $56.02 to $56.04 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.
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.
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 forty-eighth (1/48th) of the shares subject to the option will vest each month following the Equity Grant Date on the same day of the month as the Equity Grant Date (or, if there is no corresponding day in a particular month, then the last day of the month) over four (4) years. "Equity Grant Date" shall mean February 3, 2022.