ACMR Form 144: Proposed Sale of 10,000 Shares ($350K)

Form 144 notice for ACM Research, Inc. (ACMR) reports a proposed sale of 10,000 common shares through Morgan Stanley Smith Barney LLC with an aggregate market value of $350,000 and an approximate sale date of 09/18/2025.

Rhea-AI Filing Summary

Form 144 notice for ACM Research, Inc. (ACMR) reports a proposed sale of 10,000 common shares through Morgan Stanley Smith Barney LLC with an aggregate market value of $350,000 and an approximate sale date of 09/18/2025. The shares were acquired on 09/18/2025 by stock option exercise from the issuer and paid for in cash. The filer discloses prior sales by the same person: 11,152 common shares sold on 08/22/2025 for gross proceeds of $334,560. The filing includes the required representation that the seller does not possess undisclosed material adverse information.

Positive

• Brokered transaction disclosed: Morgan Stanley Smith Barney LLC is named as the broker, providing a clear execution channel.
• Acquisition and payment details provided: Shares were acquired by stock option exercise and paid in cash, both specified in the filing.
• Prior sales disclosed: The filing reports a sale of 11,152 shares on 08/22/2025 with gross proceeds of $334,560, improving transparency.

Negative

• Insider selling disclosed: Proposed sale of 10,000 shares and a recent sale of 11,152 shares were reported, which may be viewed negatively by some investors.

Insights

Securities Analyst

TL;DR: Insider sale scheduled via broker for $350,000; prior recent sale noted.

The filing documents a proposed Rule 144 sale of 10,000 common shares of ACMR through Morgan Stanley Smith Barney at an aggregate market value of $350,000, with acquisition via stock option exercise and cash payment on the same date. A recent sale by the same person of 11,152 shares on 08/22/2025 for $334,560 is disclosed. This is a routine disclosure under Rule 144 that provides transparency about restricted/controlled share disposition.

Compliance/Risk Analyst

TL;DR: Filing appears compliant with Rule 144 disclosure requirements; includes broker and prior sale details.

The notice contains the broker name and address, acquisition method (stock option exercise), payment method (cash), and prior three-month sale activity for the same person. The signer affirms no undisclosed material adverse information. Based on the content provided, required fields for a Rule 144 notice are present in this submission.

FAQ

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

What does ACMR Form 144 disclose about the proposed sale?

The filing discloses a proposed sale of 10,000 common shares with an aggregate market value of $350,000 and an approximate sale date of 09/18/2025.

Who is the broker for the ACMR sale listed in Form 144?

The broker named is Morgan Stanley Smith Barney LLC, Executive Financial Services, 1 New York Plaza 8th Floor New York NY 10004.

How were the shares being sold by the ACMR filer acquired?

The 10,000 shares were acquired on 09/18/2025 through a stock option exercise from the issuer and paid for in cash.

Did the filer report any recent sales in the past three months?

Yes. The filer reported selling 11,152 common shares on 08/22/2025 for gross proceeds of $334,560.

Does the Form 144 include a representation about material information?

Yes. The person selling represents by signing that they do not know any material adverse information about the issuer that has not been publicly disclosed.

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

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Accepted by SEC EDGAR 09/18/2025 - 04:05 PM 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	0001721279
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	ACM RESEARCH, INC.
SEC File Number	001-38273
Address of Issuer	42307 Osgood Road, Suite I Fremont CALIFORNIA 94539
Phone	(510) 445-3700
Name of Person for Whose Account the Securities are To Be Sold	SOTHEARA CHEAV
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	10000	350000.00	64180965	09/18/2025	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	09/18/2025	Stock Option Exercise	ISSUER			10000	09/18/2025	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
SOTHEARA CHEAV 42307 Osgood Road, Suite I Fremont CA 94539	Common	08/22/2025	11152	334560.00

144: Remarks and Signature

Remarks
Date of Notice	09/18/2025
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	05/15/2025
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/ Sotheara Cheav
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)