Trade Summary

4 days ago, Harding Brian E, serving as Chief Accounting Officer at Ultra Clean Holdings, Inc. (UCTT), sold 4,000 shares at $80.00 per share, for a total transaction value of $320,000.00. Following this transaction, Harding Brian E now holds 36,631 shares of UCTT.

This sale represents a 10.00% decrease in Harding Brian E's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Tuesday, May 5, 2026 and publicly disclosed via SEC Form 4 filing on Thursday, May 7, 2026, 2 days after the trade was made.

Ultra Clean Holdings, Inc. operates in the TECHNOLOGY sector, specifically within the SEMICONDUCTOR EQUIPMENT & MATERIALS industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.