---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-031688"
form_type: "8-K"
ticker: "ACMR"
cik: "0001680062"
company_name: "ACM Research, Inc."
filed_at: "2026-05-07T23:59:59+00:00"
generated_at: "2026-05-14T21:50:55.475436+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# ACM Research Q1 revenue up 34% YoY to $231M; GAAP EPS declines to $0.24

## Summary
- Revenue $231M, up 34% YoY; shipments $241M, up 54% YoY.
- GAAP diluted EPS $0.24 vs $0.30; Non-GAAP diluted EPS $0.34 vs $0.46.
- Gross margin 46.4%, down from 47.9% in prior-year quarter.
- Maintains 2026 revenue growth outlook of 21%-30%.
- Plans Hong Kong listing of ACM Shanghai and Oregon facility ramp.

## SEC filing metadata
- accession: 0001628280-26-031688
- form_type: 8-K
- ticker: ACMR
- cik: 0001680062
- company_name: ACM Research, Inc.
- filed_at: 2026-05-07T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- 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/1680062/000162828026031688/0001628280-26-031688-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1680062/000162828026031688/acmr-20260507.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-031688
- JSON: https://secwatch.observer/filing/0001628280-26-031688.json
- Plain text: https://secwatch.observer/filing/0001628280-26-031688.txt

## Source-grounded claims
- claim_id: 42549003b69df52e8c5e6d4f28bb77f9c2e21171
  claim: ACM Research, Inc. reported first quarter ended March 31, 2026 results: revenue $231,263, net income $17,307, EPS $0.24. Guidance reaffirmed.
  evidence_excerpt: requirements across a broad and expanding global customer base.” Three Months Ended March 31, GAAP Non-GAAP(1) 2026 2025 2026 2025 (dollars in thousands, except EPS) Revenue $ 231,263 $ 172,347 $ 231,263 $ 172,347 Gross margin 46.4 % 47.9 % 46.5 % 48.2 % Income from operations $ 36,177 $ 25,777 $ 41,798 $ 35,594 Net income attributable to ACM Research, Inc. $
  evidence_url: https://www.sec.gov/Archives/edgar/data/1680062/000162828026031688/0001628280-26-031688-index.htm

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