{"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","discovered_at":"2026-05-14T18:02:35.872101+00:00","generated_at":"2026-05-15T23:40:23.645653+00:00","sec_items":["2.02","9.01"],"event_type":"earnings","sentiment":"negative","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"ACM Research Q4 2025 GAAP net income falls 74% YoY; FY revenue record $901M but margins shrink","bullets":["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."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-26-011998","json":"https://secwatch.observer/filing/0001628280-26-011998.json","markdown":"https://secwatch.observer/filing/0001628280-26-011998.md","text":"https://secwatch.observer/filing/0001628280-26-011998.txt","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"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T23:40:23.645653+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}