Christopher S.  Cook net worth and biography

Christopher Cook Biography and Net Worth

President, Products Division of Ultra Clean

Chris Cook joined UCT as President of our Products Division in April 2022. Mr. Cook’s track record includes 25 years of successful leadership and general management with semiconductor and electronic systems companies, including Renesas Technologies, Infineon Technologies, Flex, and Cypress Semiconductor. With these companies, Mr. Cook and his teams drove profitable growth by developing valuable technologies and products, optimizing global operations, and solving tough problems in ways that built lasting trust with customers. In addition, he has led numerous strategic initiatives to scale and improve customer experience, employee engagement, and financial performance via the digital transformation of processes and services. Mr. Cook holds a B.S. in Electrical Engineering and Technology from Purdue University and completed the Program for Leadership Development at Harvard Business School.

What is Christopher S. Cook's net worth?

The estimated net worth of Christopher S. Cook is at least $9.05 million as of April 30th, 2026. Mr. Cook owns 108,905 shares of Ultra Clean stock worth more than $9,054,362 as of May 6th. This net worth approximation does not reflect any other investments that Mr. Cook may own. Learn More about Christopher S. Cook's net worth.

How do I contact Christopher S. Cook?

The corporate mailing address for Mr. Cook and other Ultra Clean executives is 26462 CORPORATE AVENUE, HAYWARD CA, 94545. Ultra Clean can also be reached via phone at (510) 576-4400 and via email at [email protected]. Learn More on Christopher S. Cook's contact information.

Has Christopher S. Cook been buying or selling shares of Ultra Clean?

In the last ninety days, Christopher S. Cook has sold $896,414.93 in shares of Ultra Clean stock. Most recently, Christopher S. Cook sold 11,903 shares of the business's stock in a transaction on Thursday, April 30th. The shares were sold at an average price of $75.31, for a transaction totalling $896,414.93. Following the completion of the sale, the insider now directly owns 108,905 shares of the company's stock, valued at $8,201,635.55. Learn More on Christopher S. Cook's trading history.

Who are Ultra Clean's active insiders?

Ultra Clean's insider roster includes Harjinder Bajwa (COO), Bill Bentinck (President, Services Division), Vijayan Chinnasami (COO), Paul Cho (General Counsel), Christopher Cook (President, Products Division), Clarence Granger (Director), David Ibnale (Director), Emily Liggett (Director), Ernest Maddock (Director), Jeffrey McKibben (Chief Information Officer), Jamie Palfrey (Chief Human Resources Officer), Sheri Savage (CFO), James Scholhamer (CEO & Director ), James Scholhamer (CEO), Jacqueline Seto (Director), and Joe Williams (Insider). Learn More on Ultra Clean's active insiders.

Are insiders buying or selling shares of Ultra Clean?

During the last twelve months, insiders at the semiconductor company sold shares 5 times. They sold a total of 55,281 shares worth more than $1,921,984.75. The most recent insider tranaction occured on April, 30th when insider Christopher S Cook sold 11,903 shares worth more than $896,414.93. Insiders at Ultra Clean own 1.9% of the company. Learn More about insider trades at Ultra Clean.

Information on this page was last updated on 4/30/2026.

Christopher S. Cook Insider Trading History at Ultra Clean

Transaction DateBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
4/30/2026Sell11,903$75.31$896,414.93108,905View SEC Filing Icon  
5/9/2024Sell8,586$43.51$373,576.8635,128View SEC Filing Icon  
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Christopher S. Cook Buying and Selling Activity at Ultra Clean

This chart shows Christopher S Cook's buying and selling at Ultra Clean by year and by quarter.

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Ultra Clean Company Overview

Ultra Clean logo
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. The company was founded in 1991 and is headquartered in Hayward, California.
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Today's Range

Now: $82.94
Low: $81.02
High: $87.68

50 Day Range

MA: $66.34
Low: $50.56
High: $83.14

2 Week Range

Now: $82.94
Low: $18.52
High: $87.68

Volume

614,460 shs

Average Volume

1,322,131 shs

Market Capitalization

$3.72 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.94