ACLX insider plans sale of 15,000 shares

ACLX filed a notice of proposed sale under Rule 144 for 15,000 shares of its common stock.

Rhea-AI Filing Summary

ACLX filed a notice of proposed sale under Rule 144 for 15,000 shares of its common stock. The shares are expected to be sold through Morgan Stanley Smith Barney LLC on the NASDAQ, with an aggregate market value of $1,034,100 based on the figures provided.

The shares to be sold were acquired on 01/20/2026 through the cash exercise of stock options granted by the issuer on the same date. ACLX reports that 57,822,871 shares of common stock were outstanding, giving context for the size of this planned sale.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the ACLX Form 144 filing report?

The Form 144 reports a planned sale of 15,000 shares of ACLX common stock under Rule 144, to be executed through Morgan Stanley Smith Barney LLC on the NASDAQ.

How many ACLX shares are proposed to be sold in this Form 144?

The notice covers a proposed sale of 15,000 shares of ACLX common stock, with an aggregate market value of $1,034,100 based on the filing.

How were the ACLX shares in this Form 144 acquired?

The 15,000 ACLX shares were acquired on 01/20/2026 through the exercise of stock options granted by the issuer, with payment made in cash.

What is the aggregate market value of the ACLX shares to be sold?

The aggregate market value of the 15,000 ACLX shares covered by this notice is listed as $1,034,100.

How many ACLX shares were outstanding according to this filing?

The filing states that 57,822,871 shares of ACLX common stock were outstanding, providing context for the relative size of the 15,000-share planned sale.

On which exchange are the ACLX shares in this Form 144 expected to trade?

The filing identifies the NASDAQ as the securities exchange where the ACLX common shares are expected to be sold.

AI-generated analysis. How Rhea-AI works. Not financial advice.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 01/20/2026 - 04:27 PM EST Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001572000
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	ARCELLX INC
SEC File Number	001-41259
Address of Issuer	800 Bridge Parkway Redwood City CALIFORNIA 94065
Phone	2403270603
Name of Person for Whose Account the Securities are To Be Sold	DAVID LUBNER
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	15000	1034100.00	57822871	01/20/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	01/20/2026	Exercise of Stock Options	Issuer			15000	01/20/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks	The securities to be sold were and will be received upon the exercise of stock options over the next three months. The dates of acquisition and payment were and will be the dates of exercise/sale.
Date of Notice	01/20/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	09/29/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ David Lubner
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)