Christopher Heery - 22 Mar 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
26 Mar 2024, 20:52:33 UTC
Prior SEC filing
12 Feb 2024
Next SEC filing
03 May 2024
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 26 Mar 2024.

Key facts

  • This page summarizes Christopher Heery's Form 4 filing for Arcellx, Inc. (ACLX).
  • 12 reported transactions and 3 derivative rows are listed below.
  • Accepted by SEC: 26 Mar 2024, 20:52.

Change

  • Previous filing in this sequence was filed on 12 Feb 2024.
  • Current net transaction value: -$3,119,888.

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
$125,600
Shares
+20,000
Change %
+66%
Price
$6.28
Shares after
50,303
Date
22 Mar 2024
Ownership
Direct
ACLX transaction

Common Stock

Sale

Transaction value
$699,911
Shares
-10,057
Change %
-20%
Price
$69.59
Shares after
40,246
Date
22 Mar 2024
Ownership
Direct
Footnotes
F1, F2
ACLX transaction

Common Stock

Sale

Transaction value
$1,821,697
Shares
-25,975
Change %
-65%
Price
$70.13
Shares after
14,271
Date
22 Mar 2024
Ownership
Direct
Footnotes
F1, F3
ACLX transaction

Common Stock

Sale

Transaction value
$309,211
Shares
-4,333
Change %
-30%
Price
$71.36
Shares after
9,938
Date
22 Mar 2024
Ownership
Direct
Footnotes
F1, F4
ACLX transaction

Common Stock

Sale

Transaction value
$72,247
Shares
-1,000
Change %
-10%
Price
$72.25
Shares after
8,938
Date
22 Mar 2024
Ownership
Direct
Footnotes
F1, F5
ACLX transaction

Common Stock

Options Exercise

Transaction value
$34,226
Shares
+5,450
Change %
+61%
Price
$6.28
Shares after
14,388
Date
26 Mar 2024
Ownership
Direct
ACLX transaction

Common Stock

Sale

Transaction value
$175,138
Shares
-2,555
Change %
-18%
Price
$68.55
Shares after
11,833
Date
26 Mar 2024
Ownership
Direct
Footnotes
F1, F6
ACLX transaction

Common Stock

Sale

Transaction value
$141,079
Shares
-2,034
Change %
-17%
Price
$69.36
Shares after
9,799
Date
26 Mar 2024
Ownership
Direct
Footnotes
F1, F7
ACLX transaction

Common Stock

Sale

Transaction value
$60,431
Shares
-861
Change %
-8.8%
Price
$70.19
Shares after
8,938
Date
26 Mar 2024
Ownership
Direct
Footnotes
F1, F8

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
-10,000
Change %
-8.3%
Price
$0.000000
Shares after
110,623
Date
22 Mar 2024
Ownership
Direct
Underlying class
Common Stock
Underlying amount
10,000
Exercise price
$6.28
Footnotes
F9
ACLX transaction Derivative

Stock Option (right to buy)

Options Exercise

Transaction value
$0
Shares
-10,000
Change %
-34%
Price
$0.000000
Shares after
19,069
Date
22 Mar 2024
Ownership
Direct
Underlying class
Common Stock
Underlying amount
10,000
Exercise price
$6.28
Footnotes
F10
ACLX transaction Derivative

Stock Option (right to buy)

Options Exercise

Transaction value
$0
Shares
-5,450
Change %
-4.9%
Price
$0.000000
Shares after
105,173
Date
26 Mar 2024
Ownership
Direct
Underlying class
Common Stock
Underlying amount
5,450
Exercise price
$6.28
Footnotes
F9
* 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 10 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 10,057 shares sold in the price range of $68.87 to $69.8699 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

Represents the weighted average share price of an aggregate total of 25,975 shares sold in the price range of $69.87 to $70.8699 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 F4

Represents the weighted average share price of an aggregate total of 4,333 shares sold in the price range of $70.87 to $71.8699 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 F5

Represents the weighted average share price of an aggregate total of 1,000 shares sold in the price range of $71.92 to $72.9199 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 F6

Represents the weighted average share price of an aggregate total of 2,555 shares sold in the price range of $67.90 to $68.8999 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 F7

Represents the weighted average share price of an aggregate total of 2,034 shares sold in the price range of $68.92 to $69.9199 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 F8

Represents the weighted average share price of an aggregate total of 861 shares sold in the price range of $69.92 to $70.9199 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 F9

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.

Footnote F10

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, one forty-eighth (1/48th) of the shares subject to the option shall vest each month following the Vesting Commencement Date 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 June 9, 2021.

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