{"url_path":"/sec/acmr/8-k/2026-06-22/cover-page","section_key":"cover-page","section_title":"Cover Page","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-06-22","source_url":"https://www.sec.gov/Archives/edgar/data/1680062/0001628280-26-044506-index.html","accession_number":"0001628280-26-044506","cik":"0001680062","ticker":"ACMR","issuer_name":"ACM Research, Inc.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1680062/0001628280-26-044506-index.html","primary_entity_key":"0001680062","primary_entity_name":"ACM Research, Inc."},"word_count":274,"has_tables":true,"body_markdown":"acmr-20260618\nfalse000168006200016800622026-06-182026-06-18\n\nUNITED STATES SECURITIES AND EXCHANGE COMMISSION\n\nWashington, D.C. 20549\n\nFORM 8-K\n\nCURRENT REPORT\n\nPursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934\n\nDate of Report (Date of earliest event reported): June 18, 2026\n\nACM Research, Inc.\n\n(Exact Name of Registrant as Specified in its Charter)\n\nDelaware001-3827394-3290283\n\n(State or Other Jurisdiction of Incorporation)(Commission File Number)(IRS Employer Identification No.)\n\n42307 Osgood Road, Suite I\n\nFremont, California\n\n94539\n\n(Address of Principal Executive Offices)(Zip Code)\n\nRegistrant’s telephone number, including area code: (510) 445-3700\n\nCheck the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:\n\noWritten communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)\n\noSoliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)\n\noPre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))\n\noPre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))\n\nSecurities registered pursuant to Section 12(b) of the Act:\n\nTitle of each classTrading symbolName of each exchange on which registered\n\nClass A Common Stock, par value $0.0001 per shareACMRThe Nasdaq Stock Market LLC\n\nIndicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934:Emerging growth company o\n\nIf 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 13(a) of the Exchange Act. o"}