secwatch / observer

8-K filed May 22, 2026, 8:46 AM ET ticker ACMR CIK 0001680062

other material confidence high sentiment positive materiality 0.65

ACM Shanghai reports 65% YoY new order growth in Q1; high-temp SPM tool advances

ACM Research, Inc.

New orders signed in Q1 2026 grew 65% year-over-year, supporting revenue outlook.
2026 revenue guidance unchanged; average delivery cycle ~6 months, some orders carrying into Q1 2027.
High-temp single-wafer SPM tool achieves 15nm particle control, better than mainstream; patent protection in progress.
Company expects to deliver more than 20 medium-to-low and high-temp SPM tools to multiple customers in 2026.
Differentiated nozzle design eliminates periodic DI water cleaning, potentially improving yield for AI chips.

item 8.01 item 9.01

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schema_version: secwatch.filing_event.v1
accession: 0001628280-26-037552
form_type: 8-K
ticker: ACMR
cik: 0001680062
company_name: ACM Research, Inc.
filed_at: 2026-05-22T12:46:16+00:00
discovered_at: 2026-05-22T12:50:00.286735+00:00
generated_at: 2026-05-22T12:50:29.562719+00:00
sec_items: ["8.01", "9.01"]
event_type: other_material
sentiment: positive
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: high
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edgar_index_url: https://www.sec.gov/Archives/edgar/data/1680062/000162828026037552/0001628280-26-037552-index.htm
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