{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-25-003224","form_type":"8-K","ticker":"UCTT","cik":"0001275014","company_name":"Ultra Clean Holdings, Inc.","filed_at":"2025-01-31T23:59:59+00:00","discovered_at":"2026-05-14T18:03:03.166551+00:00","generated_at":"2026-05-27T04:35:38.667269+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.15,"calibrated_materiality_score":0.15,"confidence":"high","headline":"Ultra Clean appoints Joanne Solomon to Board of Directors effective Feb 3, 2025","bullets":["Ms. Solomon, 59, served as CFO at Maxeon Solar, Katerra, and Amkor Technology (2007-2016).","She brings 35+ years of finance/tech leadership; currently a Viavi Solutions board member since 2022.","Compensation follows company's non-employee director policy (annual equity award + cash retainer).","Standard indemnification agreement to be entered with the company."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-25-003224","json":"https://secwatch.observer/filing/0001628280-25-003224.json","markdown":"https://secwatch.observer/filing/0001628280-25-003224.md","text":"https://secwatch.observer/filing/0001628280-25-003224.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1275014/000162828025003224/0001628280-25-003224-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1275014/000162828025003224/uctt-20250130.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-27T04:35:38.667269+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":[{"claim_id":"de3f5a4df7","claim":"Joanne Solomon was appointed as member of the Board at Ultra Clean Holdings, Inc..","evidence_excerpt":"On January 29, 2025, the Board of Directors (the “Board”) of Ultra Clean Holdings, Inc. (the “Company”) appointed Joanne Solomon to serve as a member of the Board of the Company, effective February 3, 2025.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1275014/000162828025003224/0001628280-25-003224-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"member of the Board"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}