[144] ACM Research, Inc. SEC Filing

Rhea-AI Filing Summary

ACM Research, Inc. (Ticker: ACMR) – Form 144 filing

An individual named Lisa Yi Lu Feng has filed a notice to sell up to 15,000 common shares of ACM Research, Inc. through Morgan Stanley Smith Barney LLC. The approximate sale date is 07 July 2025. Based on the filing, the shares are valued at an aggregate market price of $420,000, representing roughly 0.023 % of the 63,864,504 shares outstanding. The shares were acquired on the same day through a stock-option exercise paid in cash.

The filer also disclosed a prior sale of 15,000 shares on 24 June 2025 that generated $390,000 in gross proceeds.

• No relationship to the issuer was specified in the form, and no adverse information was cited.
• The filing indicates compliance with Rule 144 and possible 10b5-1 planning, but no plan adoption date is provided.

The transaction is small relative to ACMR’s share count, suggesting limited share-supply impact. However, repeated insider-level sales within a short window may draw investor attention.

Positive

• Transparent Rule 144 compliance ensures public notice of insider-level share disposition.
• Low relative size (0.023 % of shares outstanding) limits market-impact risk.

Negative

• Repeat insider-level sales within a short period could be perceived negatively by some investors.
• No relationship disclosure leaves uncertainty about the seller’s role and potential informational advantage.

Insights

Financial Analyst

TL;DR: Small Rule 144 sale (15k shares, $420k) – neutral impact given <0.1 % float.

The proposed sale equals just 0.023 % of shares outstanding, implying de-minimis dilution or supply effect. Rule 144 filings are routine and signal planned liquidity rather than directional insight. The same seller disposed of an identical amount two weeks earlier, which could indicate personal diversification. No relationship or executive title is listed, so the informational value for forecasting insider sentiment is limited. Overall, I view the filing as not materially impactful to ACMR’s valuation or float dynamics.

Corporate Governance Specialist

TL;DR: Routine compliance disclosure; repeated sales may raise modest governance watch-points.

Rule 144 ensures transparency around restricted-share resales. The filer certifies absence of undisclosed adverse information, meeting governance norms. Yet, two identical sales within three weeks may prompt monitoring for additional planned disposals, especially if the seller holds an influential role that is not clarified here. Lack of 10b5-1 adoption date slightly weakens best-practice optics but does not breach regulation. Materiality remains low.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	420000.00	63864504	07/07/2025	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	07/07/2025	Stock Option Exercise	ISSUER			15000	07/07/2025	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
LISA YI LU FENG 42307 Osgood Road, Suite I Fremont CA 94539	Common	06/24/2025	15000	390000.00

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

How many ACMR shares are proposed for sale under this Form 144?

The filer intends to sell 15,000 common shares of ACM Research.

What is the estimated value of the ACM Research shares to be sold?

The filing cites an aggregate market value of $420,000 for the proposed sale.

When is the planned sale date for the ACMR shares?

The approximate sale date listed is 07 July 2025.

How many ACMR shares were sold by the same person in the past three months?

The filer previously sold 15,000 shares on 24 June 2025 for $390,000.

What percentage of ACMR’s outstanding shares does this sale represent?

About 0.023 % of ACM Research’s 63,864,504 shares outstanding.

Which broker will handle the ACMR share sale?

Morgan Stanley Smith Barney LLC is listed as the broker.