Ultra Clean Holdings, Inc. filings document the company's operating results, governance matters, and capital-structure activity as a Nasdaq-listed supplier to the semiconductor industry. Form 8-K reports cover quarterly and annual financial results, executive and board leadership changes, material agreements, and financing transactions.
The company's regulatory record also includes proxy materials for annual meeting and shareholder voting matters, along with disclosures on its common stock, credit-facility amendments, and 0.00% Convertible Senior Notes due 2031. These filings describe formal updates to Ultra Clean's financing arrangements, officer succession, board oversight, and public-company reporting obligations.
Ultra Clean Holdings Inc ownership filing shows Invesco Ltd. beneficially owns 1,689,449 shares of Common Stock, representing 3.7% of the class. The filing states Invesco has sole voting power for 1,676,404 shares and sole dispositive power for 1,689,449 shares.
Ultra Clean Holdings, Inc. senior vice president of global human resources Jamie J. Palfrey reported an open-market sale of the company’s common stock. On May 5, 2026, Palfrey sold 8,691 shares of Ultra Clean common stock at a price of $79.725 per share. After this transaction, Palfrey directly holds 16,446 shares of Ultra Clean common stock. This filing reflects a net reduction in Palfrey’s direct ownership position and documents the details of the sale for shareholders.
Ultra Clean Holdings, Inc. Chief Accounting Officer Brian E. Harding reported an open-market sale of 4,000 shares of Common Stock at $80.00 per share. After this transaction, he directly owns 36,631 shares, and the footnote confirms these are directly owned shares.
Ultra Clean Holdings, Inc. executive Christopher S. Cook, President of the Products Division, reported open-market sales of a total of 11,478 shares of common stock on May 4, 2026. The transactions were executed at weighted average prices of $73.89 and $74.55 per share.
According to the filing, the shares in each trade were sold in multiple transactions within price ranges of $73.36–$74.35 and $74.37–$74.905. After these sales, Cook holds 97,427 shares directly and 4,100 shares indirectly through a trust.
Ultra Clean Holdings, Inc. director Clarence L. Granger reported open-market sales of a total of 30,000 shares of Common Stock on May 1, 2026.
The shares were sold in four tranches of 2,475, 3,700, 11,302 and 12,523 shares at weighted average prices of $77.34, $76.44, $75.46 and $74.41 per share, respectively, under a pre-arranged Rule 10b5-1 trading plan adopted on November 7, 2025. Following these transactions, he holds 81,817 shares directly and 1,000 shares indirectly through a trust.
UCTT submitted a Form 144 notice reporting proposed sales of restricted common stock. The filing lists multiple restricted-share lots dated 04/30/2026 and 04/30/2025, with example quantities of 2,403, 2,078, 179, and 4,031 shares. The filing identifies Morgan Stanley Smith Barney LLC as the broker and is dated 05/05/2026.
Ultra Clean Holdings, Inc. CFO Sheri Savage reported routine share dispositions tied to taxes, not open-market trading. On April 30, 2026, a total of 11,876 shares of common stock were automatically withheld at $78.15 per share to cover tax liabilities from vested restricted stock units.
These transactions are classified as tax-withholding dispositions and not buys or sells on the market. After these withholdings, Savage directly owns 54,505 shares of Ultra Clean common stock.
Ultra Clean Holdings, Inc. Chief Accounting Officer Brian E. Harding reported routine tax-related share dispositions on common stock. On April 30, 2026, a total of 7,606 shares were automatically withheld at $78.15 per share to cover tax liabilities from the partial settlement of vested restricted stock unit awards. After these withholding transactions, Harding directly holds 40,631 shares of common stock.
Ultra Clean Holdings, Inc. senior vice president of global human resources Jamie J. Palfrey had company shares withheld to cover taxes tied to vested restricted stock units. On April 30, 2026, three Form 4 transactions reported a total of 5,328 shares of common stock withheld at $78.15 per share as tax payments, rather than open-market sales. Following one of the transactions, Palfrey’s directly held common stock was reported at 25,137 shares.
Ultra Clean Holdings, Inc. executive Christopher S. Cook, President of the Products Division, reported multiple equity transactions in company common stock. On April 30, 2026, he completed an open-market sale of 11,903 shares at a weighted average price of $75.31 per share.
On the same date, a total of 9,207 shares were automatically withheld at $78.15 per share to cover tax liabilities arising from the partial settlement of vested restricted stock unit awards, which is a non-market, tax-related disposition. Following these transactions, he held 108,905 shares directly and 4,100 shares indirectly through a trust.