Trade Summary

3 days ago, Cook Christopher S, serving as Pres, Products Division at Ultra Clean Holdings, Inc. (UCTT), sold 11,478 shares at $73.96 per share, for a total transaction value of $848,922.00. Following this transaction, Cook Christopher S now holds 101,527 shares of UCTT.

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

The trade was executed on Monday, May 4, 2026 and publicly disclosed via SEC Form 4 filing on Wednesday, May 6, 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.