Form 144: 7,468 ACLS Shares Listed for Sale

Morgan Stanley Smith Barney LLC notified the sale of 7,468 shares of common stock by a holder via Form 144, with multiple 10b5-1 programmed dispositions listed.

Rhea-AI Filing Summary

Morgan Stanley Smith Barney LLC notified the sale of 7,468 shares of common stock by a holder via Form 144, with multiple 10b5-1 programmed dispositions listed. The filing lists three completed 10b5-1 sales by Russell Low dated 03/24/2026, 04/01/2026, and 05/01/2026, showing share counts of 1,244 shares each and dollar amounts per line. The filing records an aggregate numeric line showing 1,043,279.60 and a separate numeric field 30,718,815.

Key Figures

Shares listed: 7,468 shares 10b5-1 sale (May 1, 2026): 1,244 shares 10b5-1 sale (Apr 1, 2026): 1,244 shares +3 more

6 metrics

Shares listed 7,468 shares Header line showing securities information

10b5-1 sale (May 1, 2026) 1,244 shares <date>05/01/2026</date> sale by Russell Low

10b5-1 sale (Apr 1, 2026) 1,244 shares <date>04/01/2026</date> sale by Russell Low

10b5-1 sale (Mar 24, 2026) 1,244 shares <date>03/24/2026</date> sale by Russell Low

Numeric line shown 1,043,279.60 Numeric value present on header line

Numeric field present 30,718,815 Separate numeric field shown on header line

Key Terms

10b5-1, Restricted Stock Units, Form 144

3 terms

10b5-1 regulatory

"10b5-1 Sales for RUSSELL LOW 108 Cherry Hill Drive"

A 10b5-1 plan is a pre-set schedule that lets company insiders buy or sell shares according to written instructions made when they do not possess material, nonpublic information. Think of it as a timed automatic payment for stock trades: it helps insiders avoid accusations of trading on secret information and gives outside investors a clearer signal about whether sales are routine or potentially informative about the company’s prospects.

Restricted Stock Units financial

"Restricted Stock Units | Issuer | 02/28/2023"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Form 144 regulatory

"Filer Information | 144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

FAQ

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

What does the ACLS Form 144 disclose about recent insider sales?

It discloses proposed or reported sales of common stock totaling 7,468 shares. The filing lists three executed 10b5-1 sales of 1,244 shares each on 03/24/2026, 04/01/2026, and 05/01/2026 with per-line dollar amounts.

Who executed the 10b5-1 sales listed in the ACLS filing?

The sales are attributed to Russell Low under 10b5-1 plans. Each listed sale shows 1,244 shares on the three dates and the filing header names Morgan Stanley Smith Barney LLC as the broker/dealer.

How many shares were sold in each 10b5-1 transaction in this ACLS filing?

Each reported 10b5-1 transaction shows 1,244 shares sold. The three dated entries are 03/24/2026, 04/01/2026, and 05/01/2026, with associated dollar amounts provided on each line.

Does the Form 144 show total proceeds from the reported sales for ACLS?

The filing lists numeric dollar lines such as 1,043,279.60 and per-transaction dollar amounts, but it does not label an explicit single proceeds total. Use the per-line amounts in the filing to derive any aggregate if needed.

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

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Accepted by SEC EDGAR 05/06/2026 - 04:31 PM EDT 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	0001689237
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	AXCELIS TECHNOLOGIES, INC.
SEC File Number	000-30941
Address of Issuer	108 Cherry Hill Drive Beverly MASSACHUSETTS 01915
Phone	9787874000
Name of Person for Whose Account the Securities are To Be Sold	RUSSELL LOW
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	Officer

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	7468	1043279.60	30718815	05/06/2026	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	02/28/2023	Restricted Stock Units	Issuer			7468	02/28/2023	N/A

* 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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
10b5-1 Sales for RUSSELL LOW 108 Cherry Hill Drive Beverly MA 01915	Common	05/01/2026	1244	172741.84
10b5-1 Sales for RUSSELL LOW 108 Cherry Hill Drive Beverly MA 01915	Common	04/01/2026	1244	117010.64
10b5-1 Sales for RUSSELL LOW 108 Cherry Hill Drive Beverly MA 01915	Common	03/24/2026	1244	111960.00

144: Remarks and Signature

Remarks	The securities to be sold were acquired upon the vesting of restricted stock units during the period of 2/28/2023 through 05/17/2023
Date of Notice	05/06/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	12/11/2025
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/ Russell Low
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)