{"schema_version":"secwatch.filing_event.v1","accession":"0000950103-22-007934","form_type":"8-K","ticker":"UCTT","cik":"0001275014","company_name":"Ultra Clean Holdings, Inc.","filed_at":"2022-05-04T23:59:59+00:00","discovered_at":"2026-05-14T18:04:00.054303+00:00","generated_at":"2026-06-26T00:27:47.051964+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Ultra Clean Holdings appoints Christopher S. Cook as President, Products Business","bullets":["Appointed Christopher S. Cook as President, Products Business effective April 29, 2022.","Cook previously served as EVP at Cypress Semiconductor, President at Flex Power, and leadership roles at Infineon.","Annual salary set at $480,000; eligible for management bonus plan with target payout of 60% of base salary.","Received RSU award valued at $900,000 vesting over 3 years, plus a $100,000 sign-on bonus subject to 12-month retention."],"urls":{"canonical":"https://secwatch.observer/filing/0000950103-22-007934","json":"https://secwatch.observer/filing/0000950103-22-007934.json","markdown":"https://secwatch.observer/filing/0000950103-22-007934.md","text":"https://secwatch.observer/filing/0000950103-22-007934.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1275014/000095010322007934/0000950103-22-007934-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1275014/000095010322007934/dp172606_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-26T00:27:47.051964+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":"c2b18a0efc","claim":"Christopher S. Cook was appointed as President, Products Business at Ultra Clean Holdings, Inc..","evidence_excerpt":"On April 29, 2022, the Board of Directors (the “Board”) of Ultra Clean Holdings, Inc. (the “Company”) appointed Christopher S. Cook as the Company’s President, Products Business, effective April 29, 2022.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1275014/000095010322007934/0000950103-22-007934-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"President, Products Business"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}