ACMR insider sale notice — 30,000 shares valued at $960,000

Rhea-AI Filing Summary

ACM Research, Inc. (ACMR) Form 144 notice: An individual plans to sell 30,000 common shares through Morgan Stanley Smith Barney on NASDAQ with an aggregate market value of $960,000. The filing lists 64,180,965 shares outstanding, making the proposed sale roughly 0.0467% of outstanding shares. The securities were reported as acquired by stock option exercise with a purchase date and payment date shown as 08/25/2025. The filing also discloses a sale of 30,000 shares by Jian Wang on 08/22/2025 for gross proceeds of $900,012. The notice includes the required representation that the seller does not possess undisclosed material information.

Positive

• None.

Negative

• Insider sale disclosed: Proposed sale of 30,000 shares with aggregate market value of $960,000.
• Recent disposition noted: Jian Wang sold 30,000 shares on 08/22/2025 for $900,012.

Insights

Securities Analyst

TL;DR: Routine insider transaction: option exercise and subsequent planned sale of 30,000 shares, small versus float.

The filing documents a common insider activity: exercising stock options and selling the resulting shares through a broker. The aggregate value of the planned sale is $960,000, representing about 0.0467% of the company's reported outstanding shares, which is immaterial to overall share count. The separate prior sale by Jian Wang on 08/22/2025 for $900,012 is disclosed, suggesting recent insider dispositions. This filing is procedural and provides no new operational or financial data about ACMR.

Corporate Governance Expert

TL;DR: Disclosure meets Rule 144 mechanics; no indication of undisclosed material information in the notice.

The Form 144 includes required transaction details: acquisition via stock option exercise, payment method (cash), broker name and address, and planned sale timing and market value. It contains the seller's representation about material nonpublic information and references potential Rule 10b5-1 plan adoption without providing a plan date. From a governance perspective, the filing is complete for compliance purposes but does not state whether a trading plan governs the timing.

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	30000	960000.00	64180965	08/25/2025	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	08/25/2025	Stock Option Exercise	ISSUER			30000	08/25/2025	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
JIAN WANG 42307 Osgood Road, Suite I Fremont CA 94539	Common	08/22/2025	30000	900012.00

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

What does the ACMR Form 144 disclose about the planned sale?

The filing discloses a planned sale of 30,000 common shares through Morgan Stanley Smith Barney on NASDAQ with an aggregate market value of $960,000.

How were the shares being sold acquired according to the filing?

The shares were acquired by stock option exercise with an acquisition and payment date listed as 08/25/2025.

Who is listed as a recent seller in the Form 144?

The filing lists Jian Wang as having sold 30,000 common shares on 08/22/2025 for gross proceeds of $900,012.

What portion of ACMR's outstanding shares does the planned sale represent?

The planned sale of 30,000 shares represents approximately 0.0467% of the reported 64,180,965 shares outstanding.

Does the filing state whether a Rule 10b5-1 trading plan was used?

The form includes a field for the date of plan adoption or instruction if relying on Rule 10b5-1, but no plan adoption date is provided in the filing.