ACLS affiliate Section 144 — 1,244 shares reported

ACLS affiliate filed a Section 144 notice reporting the proposed sale of 1,244 shares of Common Stock.

Accepted by SEC EDGAR 04/01/2026 - 04:49 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

ACLS affiliate filed a Section 144 notice reporting the proposed sale of 1,244 shares of Common Stock. The filing references Restricted Stock Units granted 02/28/2023 and a 10b5-1 sale executed 03/24/2026 that lists $111,960.00. The filing date shown is 04/01/2026.

Key Figures

Filed shares to sell: 1,244 shares RSU grant date: 02/28/2023 10b5-1 sale date: 03/24/2026 +2 more

5 metrics

Filed shares to sell 1,244 shares Section 144 notice referenced in the excerpt

RSU grant date 02/28/2023 Restricted Stock Units listed under "Securities To Be Sold"

10b5-1 sale date 03/24/2026 Securities sold during the past 3 months entry

Reported sale value $111,960.00 Amount shown with the 10b5-1 sale entry

Filing date 04/01/2026 Date shown in header information

Key Terms

Form 144, 10b5-1 Sales, Restricted Stock Units

3 terms

Form 144 regulatory

"144: Filer Information 144: Issuer 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.

10b5-1 Sales regulatory

"10b5-1 Sales for RUSSELL LOW 03/24/2026"

10b5-1 sales are pre-arranged stock-trading plans that let company insiders automatically buy or sell shares according to a fixed schedule or formula, even if they later learn confidential information. Think of it as setting up an automatic thermostat for trades: it creates a clear, documented path that can protect insiders from insider-trading accusations and gives investors a signal about predictable insider activity—though it can also simply be a way for insiders to diversify or raise cash.

Restricted Stock Units financial

"Securities To Be Sold ... Restricted Stock Units 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.

FAQ

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

What did ACLS file in the Form 144?

The filing reports a Section 144 notice for the proposed sale of 1,244 shares of Common Stock. It references Restricted Stock Units dated 02/28/2023 and lists a related 10b5-1 sale.

When was the related 10b5-1 sale recorded for ACLS?

The excerpt shows a 10b5-1 sale dated 03/24/2026. That sale entry is associated with the reporting individual named Russell Low in the provided content.

How much value is shown for the recent sale in the filing?

The filing lists a monetary amount of $111,960.00 alongside the 10b5-1 sale entry dated 03/24/2026. The amount appears tied to the past three months' sales information.

What grant or award is tied to the shares in the ACLS filing?

The filing references Restricted Stock Units with a grant date of 02/28/2023. That grant date is shown in the "Securities To Be Sold" section of the excerpt.

What is the filing date shown on the Form 144 excerpt for ACLS?

The excerpt displays a filing date of 04/01/2026. This date appears next to other header information including the exchange designation NASDAQ.

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

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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	1244	115791.52	30718815	04/01/2026	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			1244	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	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 02/28/2023 through 05/17/2023.
Date of Notice	04/01/2026
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)