secwatch.observer — SEC 8-K summary ====================================== Issuer: Ultra Clean Holdings, Inc. (UCTT) CIK: 0001275014 Form: 8-K Filed at: 2026-01-28T23:59:59+00:00 Accession: 0001628280-26-003715 Event type: leadership Sentiment: neutral Materiality: 0.55 Item codes: 5.02 LLM model: deepseek-v4-flash:cloud@v2 Ultra Clean Holdings terminates COO Bajwa, appoints Robert Wunar as COO ----------------------------------------------------------------------- - COO Harjinder Bajwa's employment terminated effective Jan 25, 2026; severance per company policy. - Robert Wunar appointed COO effective March 23, 2026; previously Managing Director at Applied Materials. - Wunar's annual salary $475,000; target bonus 85% of base; equity award $1.5M (half RSU, half PSU) subject to shareholder approval. - Sign-on bonus $200,000 subject to clawback if Wunar resigns or is fired for cause within 12 months. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1275014/000162828026003715/0001628280-26-003715-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1275014/000162828026003715/uctt-20260125.htm HTML page: https://secwatch.observer/filing/0001628280-26-003715 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer