Ultra Clean Holdings, Inc.Insider Ownership
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Current Insider Ownership
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| Scholhamer James P | CEO | Common Stock | Jul 9, 2024 | 418,453 | 0.93 | 35,961,851 |
| Chinnasami Vijayan S. | Chief Operating Officer | Common Stock | Apr 28, 2023 | 184,342 | 0.41 | 15,842,351 |
| Xiao Jinsong | Chief Executive Officer | Common Stock | Sep 26, 2025 | 117,948 | 0.26 | 10,136,451 |
Insider Trading Trends
Insider Transactions
Voluntary Buys vs Sells
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Historical Insider Trading (3-Years)
10b5-1
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| Cho Paul Yoonku | Common Stock | No | No | Sell | DISPOSE S | 86.89 | -2,000 | 173,780 | 15,844 | May 8, 2026 | |
| Mckibben Jeffrey L. | Common Stock | No | No | Sell | DISPOSE S | 86.48 | -2,500 | 216,196 | 15,554 | May 8, 2026 | |
| Harding Brian E | Common Stock | No | No | Sell | DISPOSE S | 80.00 | -4,000 | 320,000 | 36,631 | May 5, 2026 | |