---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-059251"
form_type: "8-K"
ticker: "ACMR"
cik: "0001680062"
company_name: "ACM Research, Inc."
filed_at: "2026-08-27T20:05:11+00:00"
generated_at: "2026-08-27T20:08:50.859157+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# ACM Shanghai H1 2026 orders up 105% YoY; gross margin guided 42-48%

## Summary
- ACM Shanghai H1 2026 newly signed orders up 105% YoY across memory, logic, and advanced packaging sectors.
- Gross margin expected to stay 42%-48%; quarterly fluctuation depends on product mix.
- High-temp SPM cleaning breakthrough: <15 particles at 15nm; shipments to exceed 20 systems by end-2026.
- First 510x515mm panel-level electroplating volume order, delivery Q1 2027; 310x310mm evaluation order from Asian customer.
- Furnace lines (LPCVD, oxidation/diffusion, ALD) advancing through customer qualification in China.

## SEC filing metadata
- accession: 0001628280-26-059251
- form_type: 8-K
- ticker: ACMR
- cik: 0001680062
- company_name: ACM Research, Inc.
- filed_at: 2026-08-27T20:05:11+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1680062/000162828026059251/0001628280-26-059251-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1680062/000162828026059251/acmr-20260817.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-059251
- JSON: https://secwatch.observer/filing/0001628280-26-059251.json
- Plain text: https://secwatch.observer/filing/0001628280-26-059251.txt

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