Shares Held by Insiders

Fully Diluted Shares Held by Insiders

Date

Name

Buy/Sell

$ Value

# Shares

Avg. Price

Title

President, Products Division

SVP, Global Human Resources

Chief Information Officer

General Counsel and Secretary

Chief Accounting Officer

President, Services Business

Ultra Clean Holdings, Inc. develops and supplies critical subsystems, components and parts, and ultra-high purity cleaning and analytical services for the semiconductor industry in the United States and internationally. The company provides ultra-clean valves, high purity connectors, industrial process connectors and valves, pneumatic actuators, manifolds and safety solutions, hoses, pressure gauges, and gas line and component heaters; chemical delivery modules that deliver gases and reactive chemicals in a liquid or gaseous form from a centralized subsystem to the reaction chamber; and gas delivery systems, such as weldments, filters, mass flow controllers, regulators, pressure transducers and valves, component heaters, and an integrated electronic and/or pneumatic control system. It also offers various industrial and automation production equipment; fluid delivery systems consist of one or more chemical delivery units, including PFA tubing, filters, flow controllers, regulators, component heaters, and an integrated electronic and/or pneumatic control system; precision robotic systems; top-plate assemblies; frame assemblies; process modules, a subsystem of semiconductor manufacturing tools that process integrated circuits onto wafers; and other high-level assemblies. In addition, the company provides tool chamber parts cleaning and coating services; micro-contamination analysis services for tool parts, wafers and depositions, chemicals, cleanroom materials, deionized water, and airborne molecular contamination; and analytical verification services for process tool chamber part cleaning. It primarily serves original equipment manufacturing customers in the semiconductor capital equipment and semiconductor integrated device manufacturing industries, as well as display, consumer, medical, energy, industrial, and research equipment industries. Ultra Clean Holdings, Inc. was founded in 1991 and is headquartered in Hayward, California.

Ultra Clean Holdings, Inc. develops and supplies critical subsystems, components and parts, and ultra-high purity cleaning and analytical ...

Datesorted ascending	Name	Buy/Sell	$ Value	# Shares	Avg. Price	Title
2024-04-30	Premium	sold (taxes)	Premium	Premium	Premium	President, Products Division
2024-04-30	Premium	sold (taxes)	Premium	Premium	Premium	CEO
2024-04-30	Premium	sold (taxes)	Premium	Premium	Premium	SVP, Global Human Resources
2024-04-30	Premium	sold (taxes)	Premium	Premium	Premium	Chief Information Officer
2024-04-30	Premium	sold (taxes)	Premium	Premium	Premium	General Counsel and Secretary
2024-04-30	Premium	sold (taxes)	Premium	Premium	Premium	Chief Accounting Officer
2024-04-30	Premium	sold (taxes)	Premium	Premium	Premium	President, Services Business
2024-04-30	Premium	sold (taxes)	Premium	Premium	Premium	CFO
2024-04-26	Premium	acquired	Premium	Premium	Premium	President, Services Business
2024-04-26	Premium	acquired	Premium	Premium	Premium	Chief Accounting Officer
2024-04-26	Premium	acquired	Premium	Premium	Premium	Chief Information Officer
2024-04-26	Premium	acquired	Premium	Premium	Premium	CEO
2024-04-26	Premium	acquired	Premium	Premium	Premium	President, Products Division
2024-04-26	Premium	acquired	Premium	Premium	Premium	CFO
2024-04-26	Premium	acquired	Premium	Premium	Premium	SVP, Global Human Resources
2024-04-26	Premium	acquired	Premium	Premium	Premium	General Counsel and Secretary
2024-03-31	Premium	acquired	Premium	Premium	Premium	CFO
2024-03-31	Premium	sold (taxes)	Premium	Premium	Premium	SVP, Global Human Resources
2024-03-31	Premium	sold (taxes)	Premium	Premium	Premium	CEO
2024-03-31	Premium	acquired	Premium	Premium	Premium	President, Services Business
2024-03-31	Premium	sold (taxes)	Premium	Premium	Premium	CFO
2024-03-31	Premium	acquired	Premium	Premium	Premium	General Counsel and Secretary
2024-03-31	Premium	sold (taxes)	Premium	Premium	Premium	President, Services Business
2024-03-31	Premium	sold (taxes)	Premium	Premium	Premium	General Counsel and Secretary
2024-03-31	Premium	acquired	Premium	Premium	Premium	CEO

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