---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-24-042339"
form_type: "8-K"
ticker: "ACMR"
cik: "0001680062"
company_name: "ACM Research, Inc."
filed_at: "2024-09-30T23:59:59+00:00"
generated_at: "2026-05-31T00:46:14.436986+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# ACM Shanghai backlog flat YoY at RMB 6.76B; orders under contract up 3.66%

## Summary
- Total backlog of RMB 6,764.6M ($964.8M) as of Sep 30, 2024 vs RMB 6,795.8M a year ago, down 0.46%.
- Orders under contract rose 3.66% YoY to RMB 6,764.6M; orders awarded by formal bidding pending contract dropped to zero from RMB 270.1M.
- ACM Shanghai to report nine-month results on Oct 30, 2024; ACM to release preliminary results same day and full Q3 results in early Nov.
- Backlog is a non-GAAP measure; includes shipped tools not yet recognized as revenue and expected future shipments.

## SEC filing metadata
- accession: 0001140361-24-042339
- form_type: 8-K
- ticker: ACMR
- cik: 0001680062
- company_name: ACM Research, Inc.
- filed_at: 2024-09-30T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1680062/000114036124042339/0001140361-24-042339-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1680062/000114036124042339/ef20036373_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-24-042339
- JSON: https://secwatch.observer/filing/0001140361-24-042339.json
- Plain text: https://secwatch.observer/filing/0001140361-24-042339.txt

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