---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-011998"
form_type: "8-K"
ticker: "ACMR"
cik: "0001680062"
company_name: "ACM Research, Inc."
filed_at: "2026-02-26T23:59:59+00:00"
generated_at: "2026-05-15T23:40:23.645653+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# ACM Research Q4 2025 GAAP net income falls 74% YoY; FY revenue record $901M but margins shrink

## Summary
- Q4 2025 GAAP diluted EPS $0.11 vs $0.46 YoY; net income $8M vs $31M.
- FY2025 revenue $901M (+15% YoY); GAAP net income $94M (-9% YoY).
- GAAP gross margin FY2025 44.4% vs 50.1% in 2024; Q4 40.9% vs 49.6%.
- Maintains FY2026 revenue guidance $1.08-$1.175B (21-30% growth).
- Sold ~1.3% ACM Shanghai stake for ~$111M in Feb 2026; ended FY with $845M net cash.

## SEC filing metadata
- accession: 0001628280-26-011998
- form_type: 8-K
- ticker: ACMR
- cik: 0001680062
- company_name: ACM Research, Inc.
- filed_at: 2026-02-26T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1680062/000162828026011998/0001628280-26-011998-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1680062/000162828026011998/acmr-20260225.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-011998
- JSON: https://secwatch.observer/filing/0001628280-26-011998.json
- Plain text: https://secwatch.observer/filing/0001628280-26-011998.txt

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