ACMR Form 144: 60,000 Shares Proposed Sale

ACMR reports a proposed sale of 60,000 common shares under Rule 144.

Rhea-AI Filing Summary

ACMR reports a proposed sale of 60,000 common shares under Rule 144. The filing lists 06/03/2026 as the sale date and identifies Morgan Stanley Smith Barney LLC Executive Financial Services as the broker. The method is described as a Stock Option Exercise with Cash settlement. The excerpt also shows prior sales by Hui Wang of 50,000 shares on 03/12/2026 for $2,278,825.00 and 60,000 shares on 03/11/2026 for $2,875,386.00.

Insights

Securities Compliance Analyst

Form 144 filing records a planned sale of 60,000 common shares via option exercise.

The excerpt lists a Stock Option Exercise to be effected on 06/03/2026 through Morgan Stanley Smith Barney LLC and settled in Cash. The filing format and broker listing align with routine Rule 144 resale mechanics.

Prior transactions by Hui Wang are shown: 50,000 shares on 03/12/2026 and 60,000 shares on 03/11/2026, each with aggregate amounts. These historical sales provide context for recent selling activity; cash‑flow treatment for the proposed sale is stated as Cash.

Equity Capital Markets Specialist

Brokered exercise-and-sale recorded; no offering proceeds destination disclosed beyond 'Cash'.

The entry names the executing broker and lists numeric figures including 5403084.00 and 61233064 adjacent to the 60,000 line in the excerpt. The filing style is administrative, documenting an intended resale under Rule 144.

Execution timing is explicit (06/03/2026) and prior disposals by the same holder appear in March. Subsequent filings will report completion and actual proceeds distribution if and when the transaction settles.

Key Figures

Proposed shares to be sold: 60,000 shares Adjacent numeric value: 5403084.00 Adjacent numeric value: 61233064 +2 more

5 metrics

Proposed shares to be sold 60,000 shares listed with date <date>06/03/2026</date>

Adjacent numeric value 5403084.00 number shown on the same line as 60,000 in the excerpt

Adjacent numeric value 61233064 number shown on the same line as 60,000 in the excerpt

Prior sale - 03/12/2026 50,000 shares sale by Hui Wang for <money>$2,278,825.00</money> on <date>03/12/2026</date>

Prior sale - 03/11/2026 60,000 shares sale by Hui Wang for <money>$2,875,386.00</money> on <date>03/11/2026</date>

Key Terms

Stock Option Exercise, Rule 144, Cash settlement

3 terms

Stock Option Exercise financial

"Line: 'Stock Option Exercise | ISSUER | 60000 | 06/03/2026 | Cash'"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

Rule 144 regulatory

"Form type provided in metadata: 'form_type': '144'"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Cash settlement financial

"Line indicates settlement method as 'Cash' for the 06/03/2026 entry"

Cash settlement is a process where, instead of exchanging physical assets like stocks or commodities, the parties involved settle the difference in value with money after a contract ends. For investors, it simplifies transactions by avoiding the need to handle or deliver the actual asset, making it quicker and more convenient to complete trades. This method ensures a straightforward way to settle agreements based on their final value.

FAQ

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

What does ACMR's Form 144 filed on 06/03/2026 report?

It reports a proposed sale of 60,000 common shares via a Stock Option Exercise settled in Cash on 06/03/2026. The broker is Morgan Stanley Smith Barney LLC.

Who is the broker handling the proposed ACMR sale?

The filing lists Morgan Stanley Smith Barney LLC Executive Financial Services as the broker. The excerpt shows the broker address as 1 New York Plaza, 8th Floor dated 06/03/2026.

What prior sales by the same holder are shown in the excerpt?

The excerpt shows Hui Wang sold 50,000 shares on 03/12/2026 for $2,278,825.00 and 60,000 shares on 03/11/2026 for $2,875,386.00, recorded under the 'Securities Sold During The Past 3 Months' section.

Does the Form 144 state how proceeds will be used by ACMR?

The excerpt specifies Cash as the settlement method for the stock option exercise. It does not provide any further allocation or use‑of‑proceeds detail in the visible lines.

Is the proposed sale an issuer sale or a resale by a holder?

The line for the 60,000 shares is labeled with ISSUER and shows 'Stock Option Exercise', indicating the securities relate to option exercise and resale activity recorded on the Form 144 excerpt.

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

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Accepted by SEC EDGAR 06/03/2026 - 04:07 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	0001721580
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	HUI WANG
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
Relationship to Issuer	Director
Relationship to Issuer	10% Stockholder

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	60000	5403084.00	61233064	06/03/2026	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	06/03/2026	Stock Option Exercise	ISSUER			60000	06/03/2026	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
HUI WANG 42307 Osgood Road, Suite I Fremont CA 94539	Common	03/12/2026	50000	2278825.00
HUI WANG 42307 Osgood Road, Suite I Fremont CA 94539	Common	03/11/2026	60000	2875386.00

144: Remarks and Signature

Remarks
Date of Notice	06/03/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	11/29/2024
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/ Hui Wang
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)