{"schema_version":"secwatch.filing_event.v1","accession":"0001680062-26-000012","form_type":"8-K","ticker":"ACMR","cik":"0001680062","company_name":"ACM Research, Inc.","filed_at":"2026-02-03T23:59:59+00:00","discovered_at":"2026-05-14T18:02:35.871453+00:00","generated_at":"2026-05-16T05:21:04.596753+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"ACM Research sets preliminary transfer price of RMB 160/share for 4.8M ACM Shanghai shares","bullets":["Preliminary transfer price: RMB 160.00 (~$23.05) per share; total of 4,801,648 shares to be sold.","38 institutional investors participated; effective subscription multiple of 1.17x (5,639,000 shares validly subscribed).","30 institutional investors preliminarily identified as transferees; final transfer subject to CSDC registration and legal risks.","The inquiry-based transfer does not involve change of control of ACM Shanghai and will not affect corporate governance."],"urls":{"canonical":"https://secwatch.observer/filing/0001680062-26-000012","json":"https://secwatch.observer/filing/0001680062-26-000012.json","markdown":"https://secwatch.observer/filing/0001680062-26-000012.md","text":"https://secwatch.observer/filing/0001680062-26-000012.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1680062/000168006226000012/0001680062-26-000012-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1680062/000168006226000012/acmr-20260202.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T05:21:04.596753+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}