Christopher Heery - 05 Sep 2024 Form 4 Insider Report for Arcellx, Inc. (ACLX)

Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
06 Sep 2024, 17:48:11 UTC
Prior SEC filing
03 Sep 2024
Next SEC filing
10 Jan 2025
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Michelle Gilson, as Attorney-in-Fact

Key filing fact

Christopher Heery filed Form 4 for Arcellx, Inc. (ACLX) on 06 Sep 2024.

Key facts

  • This page summarizes Christopher Heery's Form 4 filing for Arcellx, Inc. (ACLX).
  • 3 reported transactions and 1 derivative row are listed below.
  • Accepted by SEC: 06 Sep 2024, 17:48.

Change

  • Previous filing in this sequence was filed on 03 Sep 2024.
  • Current net transaction value: -$188,211.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ACLX transaction

Common Stock

Options Exercise

Transaction value
$51,315
Shares
+3,421
Change %
+37%
Price
$15.00
Shares after
12,699
Date
05 Sep 2024
Ownership
Direct
ACLX transaction

Common Stock

Sale

Transaction value
$239,526
Shares
-3,421
Change %
-27%
Price
$70.02
Shares after
9,278
Date
05 Sep 2024
Ownership
Direct
Footnotes
F1, F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ACLX transaction Derivative

Stock Option (right to buy)

Options Exercise

Transaction value
$0
Shares
-3,421
Change %
-2.5%
Price
$0.000000
Shares after
132,416
Date
05 Sep 2024
Ownership
Direct
Underlying class
Common Stock
Underlying amount
3,421
Exercise price
$15.00
Footnotes
F3
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 3 footnotes

Footnote F1

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.

Footnote F2

Represents the weighted average share price of an aggregate total of 3,421 shares sold in the price range of $70.00 to $70.15 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.

Footnote 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, 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.

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