secwatch.observer — SEC 8-K summary
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Issuer:     ACM Research, Inc. (ACMR)
CIK:        0001680062
Form:       8-K
Filed at:   2026-02-06T23:59:59+00:00
Accession:  0001680062-26-000020
Event type: other_material
Sentiment:  neutral
Materiality: 0.65
Item codes: 8.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

ACM Research sells 4.8M shares of subsidiary ACM Shanghai at RMB 160/share, lowering stake from 74.84% to 73.72%
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- Complete sale of 4,801,648 shares of ACM Shanghai (688082) at RMB 160.00 (~$23.05) per share via inquiry-based transfer on SSE.
- Aggregate ownership in ACM Shanghai declines from 74.84% to 73.72%; no change in control.
- Transfer price determined via inquiry with 38 institutional investors; 30 transferees include fund managers and QFIIs.
- Prior reductions by HUI WANG and Jian Wang in Nov 2025; combined concert-party stake now 73.72%.
- All transferred shares subject to 6-month lock-up period.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1680062/000168006226000020/0001680062-26-000020-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1680062/000168006226000020/acmr-20260206.htm
  HTML page:      https://secwatch.observer/filing/0001680062-26-000020

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer