{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-23-000455","form_type":"8-K","ticker":"UCTT","cik":"0001275014","company_name":"Ultra Clean Holdings, Inc.","filed_at":"2023-01-09T23:59:59+00:00","discovered_at":"2026-05-14T18:03:44.189616+00:00","generated_at":"2026-06-20T17:34:02.241272+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"negative","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Ultra Clean Holdings revises Q4 2022 revenue guidance down to $560M-$570M from $600M-$650M","bullets":["New Q4 2022 revenue guidance of $560M-$570M, down from prior $600M-$650M range.","Customer order modifications due to weakening industry environment cited as primary driver.","Resurgence of COVID at UCT's China facility caused manufacturing output declines.","Company launching cost improvement initiatives to reduce operating expenses.","Full details to be provided on Q4 and FY 2022 earnings call."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-23-000455","json":"https://secwatch.observer/filing/0000950170-23-000455.json","markdown":"https://secwatch.observer/filing/0000950170-23-000455.md","text":"https://secwatch.observer/filing/0000950170-23-000455.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1275014/000095017023000455/0000950170-23-000455-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1275014/000095017023000455/uctt-20230109.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-20T17:34:02.241272+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"}