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Lubner David Charles's Form 4 filing

Arcellx, Inc. (ACLX) · filed Jan 20, 2026

Accession no.
0001193125-26-017002
Filed
Jan 20, 2026
Trade date
Jan 20, 2026
Filing delay
Same day
Rule 10b5-1 plan
Checked

This filing lists 2 non-derivative transactions and 1 derivative transaction. Open-market sales total $450.0K. 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
Lubner David CharlesCIK 0001572000Director

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
Jan 20, 2026Common StockMOption exerciseAcquired+6,000$6.28+$37,68027,659Direct
Jan 20, 2026Common StockSSaleDisposed−6,000$75.00−$450,00021,659Direct

Derivative securities (Table II)

Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.

Derivative transactions
Trade dateSecurityTransactionUnderlying sharesUnit priceValueHeld afterOwnershipFlags
Jan 20, 2026Common StockMOption exerciseDisposed−6,000$0.00$059,405Direct

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.

No transaction price on this filing refers to a footnote.

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