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Heery Christopher's Form 4 filing

Arcellx, Inc. (ACLX) · filed Sep 30, 2025

Accession no.
0001193125-25-225538
Filed
Sep 30, 2025
Trade date
Sep 30, 2025
Filing delay
Same day
Rule 10b5-1 plan
Checked

This filing lists 3 non-derivative transactions. Open-market sales total $1.71M. It was filed on the trade date.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Heery ChristopherCIK 0001789632Officer (CHIEF MEDICAL OFFICER)

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Sep 30, 2025Common StockSSaleDisposed−5,300$80.55F2−$426,91516,358Direct
Sep 30, 2025Common StockSSaleDisposed−14,204$81.46F3−$1,157,057.842,154Direct
Sep 30, 2025Common StockSSaleDisposed−1,530$82.20F4−$125,766624Direct

Footnotes and remarks

Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.

F2

Represents the weighted average share price of an aggregate total of 5,300 shares sold in the price range of $80.00 to $80.90 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.

Referenced by the price of 1 transaction in Table I.

F3

Represents the weighted average share price of an aggregate total of 14,204 shares sold in the price range of $81.08 to $82.07 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.

Referenced by the price of 1 transaction in Table I.

F4

Represents the weighted average share price of an aggregate total of 1,530 shares sold in the price range of $82.09 to $82.33 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.

Referenced by the price of 1 transaction in Table I.

Read the full filing on SEC EDGAR (opens in a new tab)