Skip to main content

Gilson Michelle's Form 4 filing

Arcellx, Inc. (ACLX) · filed Oct 6, 2025

Accession no.
0001193125-25-232216
Filed
Oct 6, 2025
Trade date
Oct 3-6, 2025
Filing delay
3 days
Rule 10b5-1 plan
Checked

This filing lists 2 non-derivative transactions. Open-market sales total $511.6K. It was filed 3 days after the trade.

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
Gilson MichelleCIK 0001930862Officer (CHIEF FINANCIAL 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
Oct 3, 2025Common StockSSaleDisposed−4,882$86.00F2−$419,85214,894Direct
Oct 6, 2025Common StockSSaleDisposed−1,064$86.22F3−$91,738.0813,830Direct

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 4,882 shares sold in the price range of $85.99 to $86.20 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 1,064 shares sold in the price range of $86.05 to $86.435 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)