---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-25-024198"
form_type: "8-K"
ticker: "ACMR"
cik: "0001680062"
company_name: "ACM Research, Inc."
filed_at: "2025-06-30T23:59:59+00:00"
generated_at: "2026-05-18T13:22:48.184888+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# ACM Shanghai gets CSRC nod for private offering up to $625M

## Summary
- CSRC approved private offering of up to 44.1M ordinary shares by ACM Shanghai, ACM Research's operating subsidiary.
- Expected gross proceeds up to RMB 4.5B (~$625M); offering must close within 12 months of June 28, 2025 approval.
- Offering is for up to 10% of ACM Shanghai's pre-offering share capital; shares adjusted for recent option exercises.
- Originally disclosed by ACM Research on January 25, 2024; proceeds expected to fund operations or growth.

## SEC filing metadata
- accession: 0001140361-25-024198
- form_type: 8-K
- ticker: ACMR
- cik: 0001680062
- company_name: ACM Research, Inc.
- filed_at: 2025-06-30T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1680062/000114036125024198/0001140361-25-024198-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1680062/000114036125024198/ef20051384_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-25-024198
- JSON: https://secwatch.observer/filing/0001140361-25-024198.json
- Plain text: https://secwatch.observer/filing/0001140361-25-024198.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.