Why Is ULTRA CLEAN HLDGS IN (UCTT) Stock Down Today?

Ultra Clean Holdings Inc (UCTT) fell 6.64% to $99.22 in today’s session, driven primarily by a recent insider sale and a broader decline in the stock over the past several trading days. The move follows a Q1 revenue report of $533.7 million and the announcement that insider Brian Harding sold 3,837 shares under a pre-established trading plan. The stock has lost 27.4% of its value in the last eight sessions.

What Happened

According to The Motley Fool, Ultra Clean insider Brian Harding sold 3,837 shares, valued at approximately $494,000, reducing his direct common stock holdings by 10%. The transaction was executed under a pre-established trading plan, and it occurred after the company reported Q1 revenue of $533.7 million. The sale has raised questions among investors, particularly as it follows a significant drop in the stock price over the past several weeks.

What The Data Shows

Over the last eight trading sessions, UCTT has declined from $142.59 to $103.50, a drop of 27.4%. In the last 90 days, there have been no insider buys and nine insider sales totaling $6.3 million, with the most recent filing on July 7, 2026. Congressional trades in the same period include one buy and two sells, with the latest filing on July 1, 2026. Social media chatter has been minimal, with only one post in the last seven days and a 7-day sentiment score of 55/100.

What To Watch

The stock is currently trading at a 52-week low, and investors should monitor any upcoming developments or earnings reports for potential catalysts. No scheduled earnings date is provided, but the breadth of coverage and sentiment trends will remain key factors to watch.