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      <div style="text-align: center; font-family: 'Times New Roman',Times,serif; font-size: 14pt; font-weight: bold;">UNITED STATES</div>
      <div style="text-align: center; font-family: 'Times New Roman',Times,serif; font-size: 14pt; font-weight: bold;">SECURITIES AND EXCHANGE COMMISSION</div>
      <div style="text-align: center; font-family: 'Times New Roman',Times,serif; font-size: 12pt; font-weight: bold;">WASHINGTON, D.C. 20549</div>
      <table style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; width: 100%; border-collapse: collapse; text-align: left; color: #000000;" id="z6a43d153f7494af9a9338221700355cd" cellpadding="0" cellspacing="0">

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      <div style="text-align: center; font-family: 'Times New Roman',Times,serif; font-size: 18pt; font-weight: bold;">FORM S-8</div>
      <div style="text-align: center; font-weight: bold;">REGISTRATION STATEMENT</div>
      <div style="text-align: center; font-style: italic; font-weight: bold;">UNDER</div>
      <div style="text-align: center; font-style: italic; font-weight: bold;">THE SECURITIES ACT OF 1933</div>
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      <div style="text-align: center; font-family: 'Times New Roman',Times,serif; font-size: 24pt; font-weight: bold;">ACM RESEARCH, INC.</div>
      <div style="text-align: center; font-style: italic;">(Exact name of registrant as specified in its charter)</div>
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              <div style="text-align: center; font-weight: bold;">Delaware</div>
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            <td style="width: 16.92%; vertical-align: top;">&#160;</td>
            <td style="width: 41.54%; vertical-align: top;">
              <div style="text-align: center; font-weight: bold;">94-3290283</div>
            </td>
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            <td style="width: 41.54%; vertical-align: top;">
              <div style="text-align: center; font-style: italic;">(State or other jurisdiction of</div>
            </td>
            <td style="width: 16.92%; vertical-align: top;">&#160;</td>
            <td style="width: 41.54%; vertical-align: top;">
              <div style="text-align: center; font-style: italic;">(I.R.S. Employer Identification No.)</div>
            </td>
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            <td style="width: 41.54%; vertical-align: top;">
              <div style="text-align: center; font-style: italic;">incorporation or organization)</div>
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            <td style="width: 16.92%; vertical-align: top;">&#160;</td>
            <td style="width: 41.54%; vertical-align: top;">&#160;</td>
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              <div style="text-align: center; font-weight: bold;">42307 Osgood Road, Suite I</div>
            </td>
            <td style="width: 16.92%; vertical-align: top;">&#160;</td>
            <td style="width: 41.54%; vertical-align: top;">&#160;</td>
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              <div style="text-align: center; font-weight: bold;">Fremont, California</div>
            </td>
            <td style="width: 16.92%; vertical-align: top;">&#160;</td>
            <td style="width: 41.54%; vertical-align: top;">
              <div style="text-align: center; font-weight: bold;">94539</div>
            </td>
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              <div style="text-align: center; font-style: italic;">(Address of principal executive offices)</div>
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            <td style="width: 16.92%; vertical-align: top;">&#160;</td>
            <td style="width: 41.54%; vertical-align: top;">
              <div style="text-align: center; font-style: italic;">(Zip code)</div>
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            <td style="width: 16.92%; vertical-align: top; border-top: #000000 2px solid;">&#160;</td>
            <td style="width: 41.54%; vertical-align: top;">&#160;</td>
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      <div style="text-align: center; font-weight: bold;">2016 Omnibus Incentive Plan</div>
      <div style="text-align: center; font-style: italic;">(Full title of the plan)</div>
      <div style="text-align: center; font-style: italic;"> <br>
      </div>
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            <td style="width: 41.54%; vertical-align: top;">&#160;</td>
            <td style="width: 16.92%; vertical-align: top; border-top: #000000 2px solid;">&#160;</td>
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      <div style="text-align: center; font-weight: bold;">David H. Wang</div>
      <div style="text-align: center; font-weight: bold;">Chief Executive Officer and President</div>
      <div style="text-align: center; font-weight: bold;">ACM Research, Inc.</div>
      <div style="text-align: center; font-weight: bold;">42307 Osgood Road, Suite I</div>
      <div style="text-align: center; font-weight: bold;">Fremont, California 94539</div>
      <div style="text-align: center; font-weight: bold;">(510) 445-3700</div>
      <div style="text-align: center; font-style: italic;">(Name, address, including zip code, and telephone number, including area code, of agent for service)</div>
      <div><br>
      </div>
      <div style="text-align: center; font-style: italic;">With a copy to:</div>
      <div style="text-align: center; font-weight: bold;">Michael A. Hedge</div>
      <div style="text-align: center; font-weight: bold;">Jason C. Dreibelbis</div>
      <div style="text-align: center; font-weight: bold;">K&amp;L Gates LLP</div>
      <div style="text-align: center; font-weight: bold;">1 Park Plaza, Twelfth Floor</div>
      <div style="text-align: center; font-weight: bold;">Irvine, California 92614</div>
      <div style="text-align: center; font-weight: bold;">(949) 253-0900</div>
      <div><br>
      </div>
      <div>Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of &#8220;large accelerated filer,&#8221; &#8220;accelerated
        filer,&#8221; &#8220;smaller reporting company,&#8221; and &#8220;emerging growth company&#8221; in Rule 12b-2 of the Exchange Act.</div>
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              <div>Large accelerated filer</div>
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            <td style="width: 56.73%; vertical-align: top;">
              <div style="color: #000000;">&#9746;</div>
            </td>
            <td style="width: 21.81%; vertical-align: top;">
              <div>Accelerated filer</div>
            </td>
            <td style="width: 5.12%; vertical-align: top;">
              <div style="text-align: right;">&#9744;</div>
            </td>
          </tr>
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            <td style="width: 16.35%; vertical-align: top;">
              <div>Non-accelerated filer</div>
            </td>
            <td style="width: 56.73%; vertical-align: top;">
              <div style="color: #000000;">&#9744;</div>
            </td>
            <td style="width: 21.81%; vertical-align: top;">
              <div>Smaller reporting company</div>
            </td>
            <td style="width: 5.12%; vertical-align: top;">
              <div style="text-align: right;">&#9744;</div>
            </td>
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            <td colspan="2" style="width: 73.08%; vertical-align: top;">&#160;</td>
            <td style="width: 21.81%; vertical-align: top;">
              <div>Emerging growth company</div>
            </td>
            <td style="width: 5.12%; vertical-align: top;">
              <div style="text-align: right; color: #000000;">&#9744;</div>
            </td>
          </tr>

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      <div><br>
      </div>
      <div><br>
      </div>
      <div>If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the
        Securities Act. &#9744;</div>
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      <div style="text-align: center; font-weight: bold;">STATEMENT OF INCORPORATION BY REFERENCE</div>
      <div><br>
      </div>
      <div style="text-align: justify;">This Registration Statement on Form S-8 relating to the 2016 Omnibus Incentive Plan of the registrant is being filed for the purpose of registering additional securities of the same class as other securities for
        which a Registration Statement on Form S-8 has previously been filed and is effective. Pursuant to General Instruction E to Form S-8, except as otherwise set forth below, this Registration Statement incorporates by reference the contents of the
        Registration Statement on Form S-8, File No. 333-222702, filed by the registrant with the Securities and Exchange Commission on January 25, 2018.</div>
      <div><br>
      </div>
      <div style="text-align: center; font-weight: bold;">PART II</div>
      <div><br>
      </div>
      <div style="text-align: center; font-weight: bold;">INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</div>
      <div><br>
      </div>
      <div style="font-weight: bold;">Item 8. Exhibits.</div>
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              <div style="text-align: center; color: #000000; font-weight: bold;">Exhibit Number</div>
            </td>
            <td style="width: 1.49%; vertical-align: middle;">&#160;</td>
            <td style="width: 89.28%; vertical-align: bottom; border-bottom: #000000 2px solid;">
              <div style="text-align: center; color: #000000; font-weight: bold;">Description</div>
            </td>
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            <td style="width: 9.22%; vertical-align: top;">&#160;</td>
            <td style="width: 1.49%; vertical-align: middle;">&#160;</td>
            <td style="width: 89.28%; vertical-align: middle;">&#160;</td>
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            <td style="width: 9.22%; vertical-align: top; font-family: 'Times New Roman',Times,serif;">
              <div><a href="https://www.sec.gov/Archives/edgar/data/1680062/000119312517342650/d407541dex301.htm">4.1</a></div>
            </td>
            <td style="width: 1.49%; vertical-align: top;">&#160;</td>
            <td style="width: 89.28%; vertical-align: top;">
              <div>Restated Certificate of Incorporation of ACM Research, Inc. (incorporated herein by reference to Exhibit 3.01 to the Current Report on Form 8-K filed on November 14, 2017)</div>
            </td>
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            <td style="width: 9.22%; vertical-align: top;">
              <div><a href="https://www.sec.gov/Archives/edgar/data/1680062/000114036121024240/brhc10026736_ex3-01.htm">4.2</a></div>
            </td>
            <td style="width: 1.49%; vertical-align: top;">&#160;</td>
            <td style="width: 89.28%; vertical-align: top;">
              <div>Certificate of Amendment to Restated Certificate of Incorporation of ACM Research, Inc., dated July 13, 2021 (incorporated herein by reference to Exhibit 3.01 to the Current Report filed on July 13, 2021)</div>
            </td>
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            <td style="width: 9.22%; vertical-align: top; font-family: 'Times New Roman',Times,serif;">
              <div><a href="https://www.sec.gov/Archives/edgar/data/1680062/000119312517342650/d407541dex302.htm">4.3</a></div>
            </td>
            <td style="width: 1.49%; vertical-align: top;">&#160;</td>
            <td style="width: 89.28%; vertical-align: top;">
              <div>Restated Bylaws of ACM Research, Inc. (incorporated herein by reference to Exhibit 3.02 to the Current Report on Form 8-K filed on November 14, 2017)</div>
            </td>
          </tr>
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            <td style="width: 9.22%; vertical-align: top;">
              <div><a href="ny20023948x2_ex5-1.htm">5.1</a></div>
            </td>
            <td style="width: 1.49%; vertical-align: top;">&#160;</td>
            <td style="width: 89.28%; vertical-align: top;">
              <div>Opinion of K&amp;L Gates LLP</div>
            </td>
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            <td style="width: 9.22%; vertical-align: top;">
              <div><a href="ny20023948x2_ex23-1.htm">23.1</a></div>
            </td>
            <td style="width: 1.49%; vertical-align: top;">&#160;</td>
            <td style="width: 89.28%; vertical-align: top;">
              <div>Consent of Ernst &amp; Young Hua Ming LLP</div>
            </td>
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            <td style="width: 9.22%; vertical-align: top;">
              <div><a href="ny20023948x2_ex23-2.htm">23.2</a></div>
            </td>
            <td style="width: 1.49%; vertical-align: top;">&#160;</td>
            <td style="width: 89.28%; vertical-align: top;">
              <div>Consent of Armanino LLP</div>
            </td>
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            <td style="width: 9.22%; vertical-align: top;">
              <div><a href="ny20023948x2_ex23-3.htm">23.3</a></div>
            </td>
            <td style="width: 1.49%; vertical-align: top;">&#160;</td>
            <td style="width: 89.28%; vertical-align: top;">
              <div>Consent of BDO China Shu Lun Pan Certified Public Accountants LLP</div>
            </td>
          </tr>
          <tr>
            <td style="width: 9.22%; vertical-align: top;">
              <div><a href="ny20023948x2_ex5-1.htm">23.4</a></div>
            </td>
            <td style="width: 1.49%; vertical-align: top;">&#160;</td>
            <td style="width: 89.28%; vertical-align: top;">
              <div>Consent of K&amp;L Gates LLP (included in Exhibit 5.1)</div>
            </td>
          </tr>
          <tr>
            <td style="width: 9.22%; vertical-align: top;">
              <div><a href="#POWEROFATTORNEYANDSIGNATU">24.1</a></div>
            </td>
            <td style="width: 1.49%; vertical-align: top;">&#160;</td>
            <td style="width: 89.28%; vertical-align: top;">
              <div>Power of Attorney (included on the signature page of this registration statement)</div>
            </td>
          </tr>
          <tr>
            <td style="width: 9.22%; vertical-align: top;">
              <div><a href="https://www.sec.gov/Archives/edgar/data/1680062/000119312517364926/d481028dex1001.htm">99.1</a></div>
            </td>
            <td style="width: 1.49%; vertical-align: top;">&#160;</td>
            <td style="width: 89.28%; vertical-align: top;">
              <div>ACM Research, Inc. 2016 Omnibus Incentive Plan (incorporated herein by reference to Exhibit 10.01 to the Quarterly Report on Form 10-Q filed on December 8, 2017)</div>
            </td>
          </tr>
          <tr>
            <td style="width: 9.22%; vertical-align: top;">
              <div><a href="ny20023948x2_ex107.htm">107</a></div>
            </td>
            <td style="width: 1.49%; vertical-align: top;">&#160;</td>
            <td style="width: 89.28%; vertical-align: top;">
              <div>Filing Fee Table</div>
            </td>
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      <div style="text-align: center; font-weight: bold;">SIGNATURE</div>
      <div><br>
      </div>
      <div>Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this registration statement to be
        signed on its behalf by the undersigned, thereunto duly authorized, in the City of Fremont, State of California, as of March 18, 2024.</div>
      <div><br>
      </div>
      <div><br>
      </div>
      <div>
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              </td>
              <td style="width: 50%; font-family: 'Times New Roman',Times,serif; text-align: left; font-weight: bold;">
                <div>ACM RESEARCH, INC.</div>
              </td>
            </tr>
            <tr>
              <td style="width: 50.00%;"><br>
              </td>
              <td style="width: 50.00%;"><br>
              </td>
            </tr>
            <tr>
              <td style="width: 50%; padding-bottom: 2px;"><br>
              </td>
              <td style="width: 50%; border-bottom: 2px solid rgb(0, 0, 0);">
                <div style="text-align: left;">/s/ Mark A. McKechnie</div>
              </td>
            </tr>
            <tr>
              <td style="width: 50.00%;"><br>
              </td>
              <td style="width: 50.00%;">
                <div style="text-align: left;">Mark A. McKechnie</div>
              </td>
            </tr>
            <tr>
              <td rowspan="1" style="width: 50.00%;">&#160;</td>
              <td rowspan="1" style="width: 50.00%;">
                <div style="text-align: left;">Chief Financial Officer, Executive Vice President and Treasurer</div>
              </td>
            </tr>

        </table>
      </div>
      <div><br>
      </div>
      <div style="text-align: center; font-weight: bold;"><a name="POWEROFATTORNEYANDSIGNATU"><!--Anchor--></a>POWER OF ATTORNEY AND SIGNATURES</div>
      <div><br>
      </div>
      <div style="text-align: justify;">KNOW ALL PERSONS BY THESE PRESENTS that each person whose signature appears below constitutes and appoints David H. Wang and Mark A. McKechnie, or any of them, as his or her true and lawful attorneys-in-fact and
        agents, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to file and sign any and all amendments, including post-effective amendments and any registration
        statement for the same offering that is to be effective under Rule 462(b) of the Securities Act of 1933 to this registration statement, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, full power and
        authority to do and perform each and every act and thing requisite and necessary to be done in connection therewith as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said
        attorneys-in-fact and agents, or their substitute or substitutes may lawfully do or cause to be done by virtue hereof. This power of attorney shall be governed by and construed with the laws of the State of Delaware and applicable federal
        securities laws.</div>
      <div><br>
      </div>
      <div style="text-align: justify;">Pursuant to the requirements of the Securities Act of 1933, this registration statement has been signed below by the following persons on behalf of the registrant in the capacities and on the dates indicated.</div>
      <div style="text-align: justify;"> <br>
      </div>
      <div style="text-align: justify;">
        <table id="z08fbb3351b734113aaf49243c72ae1a3" style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; color: #000000; width: 100%;" border="0" cellpadding="0" cellspacing="0">

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              <td style="width: 40%; border-bottom: 2px solid rgb(0, 0, 0);">
                <div>
                  <div style="font-weight: bold;">Signature</div>
                </div>
              </td>
              <td colspan="1" style="width: 2px; padding-bottom: 2px;"><br>
              </td>
              <td colspan="1" style="width: 40%; font-weight: bold; border-bottom: 2px solid rgb(0, 0, 0);">Title</td>
              <td style="width: 2%; font-weight: bold; padding-bottom: 2px;"><br>
              </td>
              <td colspan="1" style="width: 16%; font-weight: bold; border-bottom: 2px solid rgb(0, 0, 0);">Date</td>
            </tr>
            <tr>
              <td style="width: 40%;"><br>
              </td>
              <td colspan="1" style="width: 2px;"><br>
              </td>
              <td colspan="1" style="width: 40%;"><br>
              </td>
              <td style="width: 2%;"><br>
              </td>
              <td colspan="1" style="width: 16%;"><br>
              </td>
            </tr>
            <tr>
              <td style="width: 40%; border-bottom: 2px solid rgb(0, 0, 0);">
                <div>/s/ David H. Wang</div>
              </td>
              <td colspan="1" style="width: 2px; padding-bottom: 2px;"><br>
              </td>
              <td colspan="1" style="width: 40%; padding-bottom: 2px;">
                <div>Chief Executive Officer, President</div>
              </td>
              <td style="width: 2%; padding-bottom: 2px;"><br>
              </td>
              <td colspan="1" style="width: 16%; padding-bottom: 2px;">
                <div>March 18, 2024</div>
              </td>
            </tr>
            <tr>
              <td style="width: 40%; text-align: left; vertical-align: top;">David H. Wang</td>
              <td colspan="1" style="width: 2px;"><br>
              </td>
              <td colspan="1" style="width: 40%;">
                <div>and Chair of the Board of Directors</div>
                <div>
                  <div style="font-style: italic;">(Principal Executive Officer)</div>
                </div>
              </td>
              <td style="width: 2%;"><br>
              </td>
              <td colspan="1" style="width: 16%;"><br>
              </td>
            </tr>
            <tr>
              <td style="width: 40%;"><br>
              </td>
              <td colspan="1" style="width: 2px;"><br>
              </td>
              <td colspan="1" style="width: 40%;"><br>
              </td>
              <td style="width: 2%;"><br>
              </td>
              <td colspan="1" style="width: 16%;"><br>
              </td>
            </tr>
            <tr>
              <td style="width: 40%; border-bottom: 2px solid rgb(0, 0, 0);">/s/ Mark A. McKechnie</td>
              <td colspan="1" style="width: 2px; padding-bottom: 2px;"><br>
              </td>
              <td colspan="1" style="width: 40%; padding-bottom: 2px;">
                <div>Chief Financial Officer, Executive Vice President and Treasurer</div>
              </td>
              <td style="width: 2%; padding-bottom: 2px;"><br>
              </td>
              <td colspan="1" style="width: 16%; padding-bottom: 2px;">
                <div>March 18, 2024</div>
              </td>
            </tr>
            <tr>
              <td style="width: 40%;">Mark A. McKechnie</td>
              <td colspan="1" style="width: 2px;"><br>
              </td>
              <td colspan="1" style="width: 40%;">
                <div style="font-style: italic;">(Principal Financial and Accounting Officer)</div>
              </td>
              <td style="width: 2%;"><br>
              </td>
              <td colspan="1" style="width: 16%;"><br>
              </td>
            </tr>
            <tr>
              <td style="width: 40%;"><br>
              </td>
              <td colspan="1" style="width: 2px;"><br>
              </td>
              <td colspan="1" style="width: 40%;"><br>
              </td>
              <td style="width: 2%;"><br>
              </td>
              <td colspan="1" style="width: 16%;"><br>
              </td>
            </tr>
            <tr>
              <td style="width: 40%; border-bottom: 2px solid rgb(0, 0, 0);">
                <div>/s/ Haiping Dun</div>
              </td>
              <td colspan="1" style="width: 2px; padding-bottom: 2px;"><br>
              </td>
              <td colspan="1" style="width: 40%; padding-bottom: 2px;">Director </td>
              <td style="width: 2%; padding-bottom: 2px;"><br>
              </td>
              <td colspan="1" style="width: 16%; padding-bottom: 2px;">
                <div>March 18, 2024</div>
              </td>
            </tr>
            <tr>
              <td style="width: 40%;">
                <div>Haiping Dun</div>
              </td>
              <td colspan="1" style="width: 2px;"><br>
              </td>
              <td colspan="1" style="width: 40%;"><br>
              </td>
              <td style="width: 2%;"><br>
              </td>
              <td colspan="1" style="width: 16%;"><br>
              </td>
            </tr>
            <tr>
              <td style="width: 40%;"><br>
              </td>
              <td colspan="1" style="width: 2px;"><br>
              </td>
              <td colspan="1" style="width: 40%;"><br>
              </td>
              <td style="width: 2%;"><br>
              </td>
              <td colspan="1" style="width: 16%;"><br>
              </td>
            </tr>
            <tr>
              <td style="width: 40%; border-bottom: 2px solid rgb(0, 0, 0);">
                <div>/s/ Chenming Hu</div>
              </td>
              <td colspan="1" style="width: 2px; padding-bottom: 2px;"><br>
              </td>
              <td colspan="1" style="width: 40%; padding-bottom: 2px;">Director </td>
              <td style="width: 2%; padding-bottom: 2px;"><br>
              </td>
              <td colspan="1" style="width: 16%; padding-bottom: 2px;">
                <div>March 18, 2024</div>
              </td>
            </tr>
            <tr>
              <td style="width: 40%;">
                <div>Chenming Hu</div>
              </td>
              <td colspan="1" style="width: 2px;"><br>
              </td>
              <td colspan="1" style="width: 40%;"><br>
              </td>
              <td style="width: 2%;"><br>
              </td>
              <td colspan="1" style="width: 16%;"><br>
              </td>
            </tr>
            <tr>
              <td style="width: 40%;"><br>
              </td>
              <td colspan="1" style="width: 2px;"><br>
              </td>
              <td colspan="1" style="width: 40%;"><br>
              </td>
              <td style="width: 2%;"><br>
              </td>
              <td colspan="1" style="width: 16%;"><br>
              </td>
            </tr>
            <tr>
              <td style="width: 40%; border-bottom: 2px solid rgb(0, 0, 0);">
                <div>/s/ Tracy Liu</div>
              </td>
              <td colspan="1" style="width: 2px; padding-bottom: 2px;"><br>
              </td>
              <td colspan="1" style="width: 40%; padding-bottom: 2px;">Director </td>
              <td style="width: 2%; padding-bottom: 2px;"><br>
              </td>
              <td colspan="1" style="width: 16%; padding-bottom: 2px;">
                <div>March 18, 2024</div>
              </td>
            </tr>
            <tr>
              <td style="width: 40%;">
                <div>Tracy Liu</div>
              </td>
              <td colspan="1" style="width: 2px;"><br>
              </td>
              <td colspan="1" style="width: 40%;"><br>
              </td>
              <td style="width: 2%;"><br>
              </td>
              <td colspan="1" style="width: 16%;"><br>
              </td>
            </tr>
            <tr>
              <td style="width: 40%;"><br>
              </td>
              <td colspan="1" style="width: 2px;"><br>
              </td>
              <td colspan="1" style="width: 40%;"><br>
              </td>
              <td style="width: 2%;"><br>
              </td>
              <td colspan="1" style="width: 16%;"><br>
              </td>
            </tr>
            <tr>
              <td style="width: 40%; border-bottom: 2px solid rgb(0, 0, 0);">
                <div>/s/ Xiao Xing</div>
              </td>
              <td colspan="1" style="width: 2px; padding-bottom: 2px;"><br>
              </td>
              <td colspan="1" style="width: 40%; padding-bottom: 2px;">Director </td>
              <td style="width: 2%; padding-bottom: 2px;"><br>
              </td>
              <td colspan="1" style="width: 16%; padding-bottom: 2px;">
                <div>March 18, 2024</div>
              </td>
            </tr>
            <tr>
              <td rowspan="1" style="width: 40%;">
                <div>Xiao Xing</div>
              </td>
              <td rowspan="1" colspan="1" style="width: 2px;">&#160;</td>
              <td rowspan="1" colspan="1" style="width: 40%;">&#160;</td>
              <td rowspan="1" style="width: 2%;">&#160;</td>
              <td rowspan="1" colspan="1" style="width: 16%;">&#160;</td>
            </tr>

        </table>
      </div>
      <div style="text-align: justify;"> <br>
      </div>
    </div>
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{"company-data": {"conformed-name": "ACM Research, Inc.", "cik": "0001680062", "assigned-sic": "3559", "organization-name": "06 Technology", "irs-number": "000000000", "state-of-incorporation": "CA", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-278039", "film-number": "24759505"}, "business-address": {"street1": "42307 OSGOOD ROAD, SUITE I", "city": "FREMONT", "state": "CA", "zip": "94539", "phone": "510-445-3700"}, "mail-address": {"street1": "42307 OSGOOD ROAD, SUITE I", "city": "FREMONT", "state": "CA", "zip": "94539"}}
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM S-8
REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933
ACM RESEARCH, INC.
(Exact name of registrant as specified in its charter)
Delaware
94-3290283
(State or other jurisdiction of
(I.R.S. Employer Identification No.)
incorporation or organization)
42307 Osgood Road, Suite I
Fremont, California
94539
(Address of principal executive offices)
(Zip code)
2016 Omnibus Incentive Plan
(Full title of the plan)
David H. Wang
Chief Executive Officer and President
ACM Research, Inc.
42307 Osgood Road, Suite I
Fremont, California 94539
(510) 445-3700
(Name, address, including zip code, and telephone number, including area code, of agent for service)
With a copy to:
Michael A. Hedge
Jason C. Dreibelbis
K&L Gates LLP
1 Park Plaza, Twelfth Floor
Irvine, California 92614
(949) 253-0900
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of "large accelerated filer," "accelerated
        filer," "smaller reporting company," and "emerging growth company" in Rule 12b-2 of the Exchange Act.
Large accelerated filer
☒
Accelerated filer
☐
Non-accelerated filer
☐
Smaller reporting company
☐
Emerging growth company
☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the
        Securities Act. ☐
STATEMENT OF INCORPORATION BY REFERENCE
This Registration Statement on Form S-8 relating to the 2016 Omnibus Incentive Plan of the registrant is being filed for the purpose of registering additional securities of the same class as other securities for
        which a Registration Statement on Form S-8 has previously been filed and is effective. Pursuant to General Instruction E to Form S-8, except as otherwise set forth below, this Registration Statement incorporates by reference the contents of the
        Registration Statement on Form S-8, File No. 333-222702, filed by the registrant with the Securities and Exchange Commission on January 25, 2018.
PART II
INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
Item 8. Exhibits.
Exhibit Number
Description
4.1
Restated Certificate of Incorporation of ACM Research, Inc. (incorporated herein by reference to Exhibit 3.01 to the Current Report on Form 8-K filed on November 14, 2017)
4.2
Certificate of Amendment to Restated Certificate of Incorporation of ACM Research, Inc., dated July 13, 2021 (incorporated herein by reference to Exhibit 3.01 to the Current Report filed on July 13, 2021)
4.3
Restated Bylaws of ACM Research, Inc. (incorporated herein by reference to Exhibit 3.02 to the Current Report on Form 8-K filed on November 14, 2017)
5.1
Opinion of K&L Gates LLP
23.1
Consent of Ernst & Young Hua Ming LLP
23.2
Consent of Armanino LLP
23.3
Consent of BDO China Shu Lun Pan Certified Public Accountants LLP
23.4
Consent of K&L Gates LLP (included in Exhibit 5.1)
24.1
Power of Attorney (included on the signature page of this registration statement)
99.1
ACM Research, Inc. 2016 Omnibus Incentive Plan (incorporated herein by reference to Exhibit 10.01 to the Quarterly Report on Form 10-Q filed on December 8, 2017)
107
Filing Fee Table
SIGNATURE
Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this registration statement to be
        signed on its behalf by the undersigned, thereunto duly authorized, in the City of Fremont, State of California, as of March 18, 2024.
ACM RESEARCH, INC.
/s/ Mark A. McKechnie
Mark A. McKechnie
Chief Financial Officer, Executive Vice President and Treasurer
POWER OF ATTORNEY AND SIGNATURES
KNOW ALL PERSONS BY THESE PRESENTS that each person whose signature appears below constitutes and appoints David H. Wang and Mark A. McKechnie, or any of them, as his or her true and lawful attorneys-in-fact and
        agents, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to file and sign any and all amendments, including post-effective amendments and any registration
        statement for the same offering that is to be effective under Rule 462(b) of the Securities Act of 1933 to this registration statement, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, full power and
        authority to do and perform each and every act and thing requisite and necessary to be done in connection therewith as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said
        attorneys-in-fact and agents, or their substitute or substitutes may lawfully do or cause to be done by virtue hereof. This power of attorney shall be governed by and construed with the laws of the State of Delaware and applicable federal
        securities laws.
Pursuant to the requirements of the Securities Act of 1933, this registration statement has been signed below by the following persons on behalf of the registrant in the capacities and on the dates indicated.
Signature
Title
Date
/s/ David H. Wang
Chief Executive Officer, President
March 18, 2024
David H. Wang
and Chair of the Board of Directors
(Principal Executive Officer)
/s/ Mark A. McKechnie
Chief Financial Officer, Executive Vice President and Treasurer
March 18, 2024
Mark A. McKechnie
(Principal Financial and Accounting Officer)
/s/ Haiping Dun
Director
March 18, 2024
Haiping Dun
/s/ Chenming Hu
Director
March 18, 2024
Chenming Hu
/s/ Tracy Liu
Director
March 18, 2024
Tracy Liu
/s/ Xiao Xing
Director
March 18, 2024
Xiao Xing