{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-25-038545","form_type":"8-K","ticker":"UCTT","cik":"0001275014","company_name":"Ultra Clean Holdings, Inc.","filed_at":"2025-08-07T23:59:59+00:00","discovered_at":"2026-05-14T18:02:43.563720+00:00","generated_at":"2026-05-17T17:10:03.201369+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Ultra Clean appoints James Xiao as CEO effective Sept 2, 2025; Chris Cook becomes CBO","bullets":["James Xiao appointed CEO effective Sept 2, 2025; Clarence Granger steps down as CEO but remains non-executive Chair.","Xiao base salary $710K, 105% target bonus, $600K sign-on, equity $5M ($2M RSU + $3M annual equity).","Chris Cook promoted to Chief Business Officer; salary $595K, 85% target bonus, $1.7M RSU one-time award.","Cook severance: 100% salary & bonus, 12 mo. COBRA, equity vest 12 mo.; change-in-control: 150% plus 24 mo."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-25-038545","json":"https://secwatch.observer/filing/0001628280-25-038545.json","markdown":"https://secwatch.observer/filing/0001628280-25-038545.md","text":"https://secwatch.observer/filing/0001628280-25-038545.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1275014/000162828025038545/0001628280-25-038545-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1275014/000162828025038545/uctt-20250804.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T17:10:03.201369+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"}