Ultra Clean's Chief Human Resources Officer Sold 8,691 Company Shares. Here's What That Means for Investors.
Key Points
Chief Human Resources Officer Jamie Palfrey sold 8,691 shares for a transaction value of ~$693,000 on May 5, 2026.
The sale represented 34.57% of Palfrey's direct holdings, reducing direct ownership to 16,446 shares.
All shares involved were held directly, with no indirect or derivative participation disclosed.
The size of the transaction aligns with prior sell events and reflects a declining share base over the past year.
- 10 stocks we like better than Ultra Clean ›
Jamie J. Palfrey, Senior VP and Chief Human Resources Officer at Ultra Clean Holdings (NASDAQ:UCTT), reported the sale of 8,691 shares of common stock in an open-market transaction valued at approximately $693,000, according to a SEC Form 4 filing.
Transaction summary
| Metric | Value |
|---|---|
| Shares sold (direct) | 8,691 |
| Transaction value | ~$693,000 |
| Post-transaction shares (direct) | 16,446 |
| Post-transaction value (direct ownership) | ~$1.31 million |
Transaction and post-transaction values based on SEC Form 4 reported price ($79.72).
Key questions
- How material was this sale relative to Palfrey's position?
The transaction reduced Palfrey's direct holdings by 34.57%, marking one of the larger proportional sales in the past two years and leaving 16,446 shares directly owned. - Is there evidence of indirect or derivative holdings impacting this transaction?
No; all shares were held directly, with no reported indirect ownership (such as trusts or LLCs) or involvement of derivative securities in this filing. - How does the trade size compare to Palfrey's historical activity?
The 8,691-share sale is within the historical range for Palfrey's open-market sales, which have averaged approximately 7,700 shares per event, reflecting a pattern of periodic, capacity-driven dispositions as holdings have diminished. - What is the context of the transaction in light of Ultra Clean Holdings' stock performance?
The sale occurred as the stock posted a 332.47% total return over the past year (as of May 5, 2026), with the transaction price of $79.72 representing a discount to the $83.14 market close that day and $87.10 as of May 9, 2026.
Company overview
| Metric | Value |
|---|---|
| Price (as of market close 5/5/26) | $83.14 |
| Market capitalization | $3.90 billion |
| Revenue (TTM) | $2.07 billion |
| Net income (TTM) | ($194.10 million) |
* 1-year performance metrics are calculated using May 5, 2026 as the reference date.
Company snapshot
- Ultra Clean Holdings provides critical subsystems, components, and ultra-high purity cleaning and analytical services for the semiconductor industry, including gas and chemical delivery systems, valves, connectors, and process modules.
- The company generates revenue by designing, manufacturing, and servicing high-precision products and solutions essential for semiconductor capital equipment and integrated device manufacturing processes.
- Primary customers include original equipment manufacturers (OEMs) in the semiconductor sector, as well as clients in display, consumer, medical, energy, industrial, and research equipment markets.
Ultra Clean Holdings operates at scale in the semiconductor supply chain, serving a global customer base from its headquarters in Hayward, California.
The company leverages engineering expertise and advanced manufacturing capabilities to deliver mission-critical solutions that support leading-edge semiconductor production. Its business model emphasizes deep integration with OEM customers, driving recurring demand for its highly specialized products and services.
What this transaction means for investors
Chief Human Resources Officer Jamie Palfrey’s May 5 sale of 8,691 company shares comes at a time when Ultra Clean stock has been soaring. Shares hit an all-time high of $87.68 on May 6 thanks to solid business performance and investor enthusiasm for the company’s role in the artificial intelligence sector. The stupendous rise from the stock’s 52-week low of $18.93 set in 2025 appears to have been the catalyst for Palfrey’s sale.
As a provider to the semiconductor industry, Ultra Clean is benefitting from the arrival of artificial intelligence, with growing customer demand for its services. Consequently, its sales rose to $533.7 million in its fiscal first quarter ended March 27 compared to $518.6 million in the prior year.
With the rise in share price, Ultra Clean’s stock valuation is up. Its price-to-sales ratio of two is at a high point for the past year, suggesting now is a good time to sell. But for those interested in buying, wait for the share price to drop first.
Should you buy stock in Ultra Clean right now?
Before you buy stock in Ultra Clean, consider this:
The Motley Fool Stock Advisor analyst team just identified what they believe are the 10 best stocks for investors to buy now… and Ultra Clean wasn’t one of them. The 10 stocks that made the cut could produce monster returns in the coming years.
Consider when Netflix made this list on December 17, 2004... if you invested $1,000 at the time of our recommendation, you’d have $471,827!* Or when Nvidia made this list on April 15, 2005... if you invested $1,000 at the time of our recommendation, you’d have $1,319,291!*
Now, it’s worth noting Stock Advisor’s total average return is 986% — a market-crushing outperformance compared to 207% for the S&P 500. Don't miss the latest top 10 list, available with Stock Advisor, and join an investing community built by individual investors for individual investors.
See the 10 stocks »
*Stock Advisor returns as of May 11, 2026.
Robert Izquierdo has no position in any of the stocks mentioned. The Motley Fool has no position in any of the stocks mentioned. The Motley Fool has a disclosure policy.
Recommended Articles
