---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-25-016210"
form_type: "8-K"
ticker: "ACMR"
cik: "0001680062"
company_name: "ACM Research, Inc."
filed_at: "2025-04-29T23:59:59+00:00"
generated_at: "2026-05-23T03:54:06.577329+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# ACM Research Q1 preliminary rev $165-170M (+8.4-11.7% YoY); reaffirms FY rev $850-950M

## Summary
- Preliminary Q1 2025 revenue $165-170M, up 8.4-11.7% year-over-year.
- Preliminary Q1 shipments $154-157M, down 36-37% YoY due to Q4 customer pull-ins; combined Q4 2024+Q1 2025 shipments up 8-9%.
- Reaffirms FY 2025 revenue outlook of $850-950M, representing 9-21% growth.
- ACM Shanghai released first quarter results today; ACM owns 81.1% of ACM Shanghai.
- Full Q1 2025 earnings call scheduled for May 8, 2025 at 8 a.m. ET.

## SEC filing metadata
- accession: 0001140361-25-016210
- form_type: 8-K
- ticker: ACMR
- cik: 0001680062
- company_name: ACM Research, Inc.
- filed_at: 2025-04-29T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1680062/000114036125016210/0001140361-25-016210-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1680062/000114036125016210/ef20048092_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-25-016210
- JSON: https://secwatch.observer/filing/0001140361-25-016210.json
- Plain text: https://secwatch.observer/filing/0001140361-25-016210.txt

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