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UCTT Ultra Clean Holdings, Inc. Insider Trading

Latest: Director Sold $2.3M of Shares · May 2026
3 filings analyzed · Latest 2026-05-06
Insider buys
0
Insider sells
3
Unique insiders
2
Direction
Net selling
May 2026
2026-05-06
medium
Cook Christopher S Sell
President, Products Division
11,478 shares
$848,922
@ $73.96
Significance 4/10

UCTT President divests roughly one-tenth of stake while stock trades near 52-week highs amid revenue and earnings pressure.

Christopher Cook, President of Ultra Clean Holdings' Products Division, sold approximately one-tenth of his shareholding in two transactions totaling nearly $849,000 as the stock trades near its 52-week high. This sale contrasts sharply with his prior purchase just over a year ago at substantially lower valuations—a trade whose outcome remains too recent to assess. The timing is notable: Cook is executing this sale into a stock that has rallied strongly over recent months, which could suggest profit-taking or a shift in conviction as the company faces deteriorating fundamentals. Ultra Clean is currently unprofitable with declining revenue, creating an environment where an insider officer reducing exposure at elevated prices warrants closer attention. Without visibility into Cook's broader portfolio strategy or near-term company catalysts, the sale alone is routine, but the juxtaposition of near-term buying followed by meaningful selling during a price spike suggests this insider's conviction may not be as durable as the purchase suggested.

2026-05-05
medium
Clarence L Granger Sell
30,000 shares
$2,258,930
@ $75.30
Significance 4/10

Director Clarence Granger sells ~$2.26M in UCTT shares across four tranches on single day.

Director Clarence Granger executed a sizable liquidation of approximately $2.26 million worth of Ultra Clean Holdings stock in four transactions on a single day, reducing his holdings by nearly 30 percent total. This is a meaningful departure from holding, though the company's fundamentals provide important context: Ultra Clean is currently unprofitable with declining revenues, making the timing of a director's exit notable. Notably, the stock had rallied significantly over the prior three months before this sale, which often prompts insiders to take chips off the table after momentum gains. Granger's directorship gives him material visibility into operations, but the sale itself does not necessarily signal crisis — rather, it reflects a deliberate portfolio management decision by a board member who may be rebalancing or locking in recent gains rather than expressing conviction about deteriorating business prospects.

2026-05-04
medium
Cook Christopher S Sell
President, Products Division
11,903 shares
$896,415
@ $75.31
Significance 4/10

President of Products Division sells $896K in stock on same day as three stock-comp withholdings; company unprofitable with declining revenue.

Cook Christopher S, President of Ultra Clean Holdings' Products Division, executed a sale of approximately $896K in stock alongside three separate tax withholding transactions on the same day—a common pattern when executives receive restricted stock units and elect cash settlement for tax obligations. The cumulative effect disposed of roughly 17.6% of his holdings. The timing coincides with the stock trading near the middle of its 52-week range, having recovered significantly from its lows but still short of its 52-week high. Cook has only one prior open-market trade at this ticker, a purchase made too recently to measure outcomes, so there is no track record of successful timing at this company. Notably, Ultra Clean is currently unprofitable with declining annual revenue, which provides context for why an executive might scale back ownership—fundamentals are pressured rather than bullish. The sale itself is substantial enough to exceed the executive threshold, but the transaction breakdown shows it represents forced stock-comp withholding alongside a discretionary sale rather than a single coordinated exit.

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