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Ultra Clean

Hayward, United States · Manufacturing · 6,800 employees

UltraClean Holdings, Inc. (UCT) is a global leader in semiconductor fabrication support. Our Products Division provides improved design-to-delivery times for major subassemblies, advanced flow control, and high-precision manufacturing. Our Services Division offers tool chamber parts cleaning and coating, and micro-contamination analysis. UCT also provides pivotal production support for the power &

Funding history

  • Series credit facility — $250.0M — Apr 2026

Recent signals

  • Apr 24, 2026: Raised $250.0M in Series credit facility
  • Apr 23, 2026: SEC 8-K (1.01): On April 23, 2026, Ultra Clean Holdings, Inc. entered into a Tenth Amendment to its Credit Agreement originally dated August 27, 2018. This Amendment refinances revolving credit commitments totaling $250 million and extends the maturity of the revolving credit facility to April 23, 2031. Key parties involved include Ultra Clean Holdings, Barclays Bank PLC as the administrative agent, and various revolving lenders. This amendment enhances Ultra Clean's liquidity profile and financial flexibility, allowing them to secure better financing terms over an extended period.
  • Jan 28, 2026: Ultra Clean Holdings Appoints Robert Wunar as New COO
  • Jan 28, 2026: Ultra Clean Holdings Appoints Robert Wunar as Chief Operating Officer
  • May 15, 2024: Ultra Clean Holdings Inc. appoints Harjinder Bajwa as Chief Operating Officer
  • Mar 06, 2024: SEC 8-K (5.02): On January 25, 2026, Mr. Harjinder Bajwa's employment as the Chief Operating Officer of Ultra Clean Holdings, Inc. was terminated immediately. He will receive severance benefits according to the Company's policy on Severance Benefits for Executive Officers. Concurrently, the Board of Directors appointed Mr. Robert Wunar as the new Chief Operating Officer, effective March 23, 2026. Mr. Wunar previously held significant positions at Applied Materials, indicating a strategic shift in management aimed at enhancing corporate operations.

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