Form 4: Director Clarence Granger Sells UCTT Shares

Ultra Clean Holdings Director Clarence L. Granger sold 30,000 shares of common stock via a pre-arranged 10b5-1 trading plan.

Summary

• Director Clarence L. Granger executed the sale of 30,000 shares of Ultra Clean Holdings, Inc. (UCTT) common stock on May 1, 2026.
• The shares were sold in four tranches at weighted average prices ranging from $74.41 to $77.34 per share.
• The transactions were conducted pursuant to a Rule 10b5-1 trading plan adopted on November 7, 2025.
• Following these transactions, the reporting person retains direct ownership of 81,817 shares and indirect ownership of 1,000 shares held in a trust.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral event, as the sale was conducted through a pre-planned 10b5-1 arrangement, which is standard practice for corporate insiders.

Positives

• The sale was executed under a pre-established Rule 10b5-1 trading plan, which is a standard mechanism for insiders to sell stock without triggering concerns regarding non-public information.

Negatives

• The transaction represents a reduction in the director's direct equity stake in the company.

Risks

• Insider selling can sometimes be perceived by the market as a signal that the stock price has reached a near-term peak.

Future Outlook

No forward-looking guidance or operational outlook was provided in this filing.

Industry Context

StockSavvy.ai notes that insider selling via 10b5-1 plans is a routine corporate governance activity and typically does not reflect a change in the director's view of the company's long-term fundamentals.

Comparison to Industry Standards

• The use of Rule 10b5-1 plans is the industry standard for corporate insiders to manage personal liquidity while maintaining compliance with SEC regulations.

Stakeholder Impact

• Minimal impact expected as the sale was pre-planned and represents a small portion of the director's total holdings.

Next Steps

• No future actions or milestones were disclosed in this filing.

Key Dates

Keywords

UCTT, Ultra Clean Holdings, Insider Trading, Form 4, Director Sale, 10b5-1