---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-25-020333"
form_type: "8-K"
ticker: "ACMR"
cik: "0001680062"
company_name: "ACM Research, Inc."
filed_at: "2025-05-23T23:59:59+00:00"
generated_at: "2026-05-20T14:34:56.778085+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "medium"
source: SEC EDGAR
---

# ACM Shanghai reaffirms FY2025 revenue guidance of RMB 6.5-7.1B; Q1 strong growth

## Summary
- FY2025 revenue guidance reaffirmed at RMB 6.5–7.1B; strong Q1 growth with solid shipments expected in Q2–Q3.
- PECVD system (first-of-its-kind 'one chamber, three chucks') in customer verification; market entry expected in 2025 with 3+ additional evaluations.
- 3D stacking electroplating systems (Ultra ECP 3d/ap) show strong sales; TSV tools fully localized for Chinese customers with repeat orders.
- High-temperature sulfuric acid cleaning equipment (>170°C) validated in high-volume production; Tahoe tool cuts acid use by up to 75%.
- Panel-level horizontal electroplating wins 'Technology Enablement Award'; supports AI chip packaging for panels up to 600x600mm.

## SEC filing metadata
- accession: 0001140361-25-020333
- form_type: 8-K
- ticker: ACMR
- cik: 0001680062
- company_name: ACM Research, Inc.
- filed_at: 2025-05-23T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: medium
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1680062/000114036125020333/0001140361-25-020333-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1680062/000114036125020333/ef20049628_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-25-020333
- JSON: https://secwatch.observer/filing/0001140361-25-020333.json
- Plain text: https://secwatch.observer/filing/0001140361-25-020333.txt

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