Every Form 4 that Ultra Clean Hldgs Inc (UCTT) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow UCTT and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full UCTT filings page.
Ultra Clean Holdings, Inc. (symbol: UCTT) is the issuer of record for a Form 4 filing submitted to the SEC. Keogh Michael Dennis reported acquisition or exercise transactions in this Form 4 filing.
Ultra Clean Holdings, Inc. (UCTT) reported that its Chief Financial Officer, Michael Dennis Keogh, received a grant of 20,917 shares of Common Stock on August 31, 2026 as a stock-based award at a stated price of $0.00 per share. According to the award terms, these shares are in the form of restricted stock units that vest over three years, with equal portions vesting on each anniversary of the vesting commencement date of August 31, 2026. Following this grant, Keogh is reported to hold 20,917 shares directly, and no Rule 10b5-1 trading plan is indicated.
Ultra Clean Holdings, Inc. (UCTT) reported that Christopher S. Cook, President, Products Division, had 12,497 shares of common stock automatically withheld on August 31, 2026 to pay tax liability from the partial settlement of vested restricted stock units. Following this, he holds 98,126 shares directly and 4,100 shares indirectly by trust.
Ultra Clean Holdings, Inc. Chief Accounting Officer Brian E. Harding reported open-market sales of a total of 3,837 shares of common stock on July 2, 2026. The sales were executed in three tranches at weighted average prices of about $126.92, $128.37 and $130.12 per share, with individual trades occurring within specified price ranges. The transactions were carried out under a pre-arranged Rule 10b5-1 trading plan, indicating they were scheduled in advance rather than timed discretionarily. After these sales, Harding continues to directly hold 33,581 shares of Ultra Clean common stock.
Ultra Clean Holdings, Inc. Chief Accounting Officer Brian E. Harding received an equity award of 9,363 shares of common stock on June 26, 2026 as a grant or award acquisition. Following this grant, he directly holds 37,418 shares. A related footnote states these restricted stock units vest over three years, with equal parts vesting on each anniversary of the June 26, 2026 vesting commencement date.
Ultra Clean Holdings, Inc. reported that CFO Sheri Savage sold shares of the company’s common stock in a series of open-market transactions. On June 4, 2026, she sold a total of 14,421 shares of Ultra Clean common stock across 29 separate trades.
The reported sale prices ranged from about $86.59 to $91.92 per share, based on weighted-average price ranges disclosed in multiple footnotes. These are non-derivative transactions in common stock, and the filing describes them as sales in the open market or private transactions.
Ultra Clean Holdings, Inc. CFO Sheri Savage reported open‑market or private sales of 15,766 shares of common stock on June 4, 2026, across 17 non‑derivative transactions, with footnotes describing weighted‑average price ranges from $85.7600 up to $91.9500 per share. Following these trades, she directly holds 50,710 common shares.
Ultra Clean Holdings' chief accounting officer Brian E. Harding sold 16,988 shares of common stock in open-market transactions. The trades occurred on June 4, 2026 across 22 separate sales. Reported sale prices ranged from about $85.54 to $91.86 per share, based on weighted-average prices and detailed price ranges disclosed in the footnotes.
Ultra Clean Holdings, Inc. General Counsel and Secretary Paul Yoonku Cho reported an open-market sale of company common stock. On June 2, 2026, he sold 944 shares of common stock at a price of $89.37 per share.
After this transaction, Cho directly holds 22,941 shares of Ultra Clean common stock. This filing records a single, relatively small open-market sale and shows his remaining equity stake in the company following the trade.
Cook Christopher S reported acquisition or exercise transactions in this Form 4 filing.
Ultra Clean Holdings, Inc. reported that Christopher S. Cook, President of the Products Division, received a grant of 13,196 shares of common stock at a price of $0.00 per share as a compensation-related award. After this grant, he directly holds 110,623 shares of common stock and indirectly holds 4,100 shares through a trust. A related footnote explains that the restricted stock units underlying this award vest over three years, with equal portions vesting on each anniversary of the vesting commencement date of May 22, 2026.
Ultra Clean Holdings, Inc. reported that its General Counsel and Secretary, Paul Yoonku Cho, received an equity compensation grant. On May 22, 2026, he was awarded 8,041 shares of Common Stock at no cash cost, classified as a grant or award acquisition.
Following this transaction, Cho directly holds 23,885 shares of the company’s Common Stock. A related footnote explains that the award consists of restricted stock units that vest over three years, with equal portions vesting on each anniversary of the May 22, 2026 vesting commencement date.
Xiao Jinsong reported acquisition or exercise transactions in this Form 4 filing.
Ultra Clean Holdings, Inc. Chief Executive Officer Jinsong Xiao received an equity compensation grant of 31,175 shares of common stock on May 22, 2026. The award is in the form of restricted stock units that vest over three years, with equal portions vesting on each anniversary of the May 22, 2026 vesting commencement date.
Following this grant, Xiao directly holds 149,123 shares of Ultra Clean common stock. The grant was recorded at no cash purchase price, reflecting a compensation-related award rather than an open-market share purchase.
Solomon Joanne reported acquisition or exercise transactions in this Form 4 filing.
Ultra Clean Holdings, Inc. director Joanne Solomon reported receiving a grant of 2,575 shares of common stock as a stock-based award. The award was recorded at a price of $0.00 per share, reflecting compensation rather than a market purchase. Following this grant, Solomon directly holds 12,083 common shares. According to the footnote, these restricted stock units vest 100% on the earlier of the day before the next annual stockholder meeting or one year from the grant date, tying the award to her continued board service over roughly a one-year period.
McKibben Jeffrey L. reported acquisition or exercise transactions in this Form 4 filing.
Ultra Clean Holdings, Inc. reported that Chief Information Officer Jeffrey L. McKibben received an equity award of 5,896 shares of common stock as a grant with no cash price per share. Following this award, he directly holds 17,245 common shares.
The grant is in the form of restricted stock units that vest over three years, with equal portions vesting on each anniversary of the vesting commencement date of May 22, 2026. This structure ties the value of the award to McKibben’s continued service and the company’s share performance over time.
Seto Jacqueline A. reported acquisition or exercise transactions in this Form 4 filing.
Ultra Clean Holdings, Inc. director Jacqueline A. Seto received an equity award of 2,575 shares of common stock as a grant with no cash paid per share. Following this award, she directly holds 31,525 common shares. The award consists of restricted stock units that vest 100% on the earlier of the day before the next annual stockholder meeting or one year from the grant date.
Ultra Clean Holdings, Inc. reported that SVP, Global Human Resources Jamie J. Palfrey acquired 9,897 shares of common stock through a compensation-related grant. These restricted stock units vest over three years, with equal parts vesting on each anniversary of the vesting commencement date of May 22, 2026. Following this award, Palfrey directly holds 26,343 shares of common stock.
MADDOCK ERNEST E reported acquisition or exercise transactions in this Form 4 filing.
Ultra Clean Holdings, Inc. director Ernest E. Maddock reported an equity award of company common stock. On May 22, 2026, he received 2,575 shares of common stock as a grant or award at a stated price of $0.00 per share, increasing his direct holdings to 47,816 shares.
The filing also shows 11,000 shares of common stock held indirectly by a trust. According to the footnote, the related restricted stock units vest 100% on the earlier of the day before the next annual stockholder meeting or one year from the grant date.
Wunar Robert Anthony reported acquisition or exercise transactions in this Form 4 filing.
Ultra Clean Holdings, Inc. reported that Chief Operating Officer Robert Anthony Wunar received a grant of 10,732 shares of Common Stock, reflected as an award at a price of $0.00 per share. Following this grant, he directly holds 10,732 shares.
A footnote explains that these are restricted stock units that vest over three years, with equal portions vesting on each anniversary of the vesting commencement date of May 22, 2026. This is a compensation-related equity award rather than an open‑market purchase or sale.
Ultra Clean Holdings director Emily M. Liggett reported both a stock award and a share sale. On May 22, 2026, she acquired 2,575 shares of common stock at $0.00 per share as a grant. The related restricted stock units vest 100% on the earlier of the day before the next annual stockholder meeting or one year from the grant date.
On May 27, 2026, she executed an open-market sale of 8,198 common shares at an average price of $92.18 per share. Following this sale, she directly holds 38,152 common shares, indicating she retains a significant ongoing equity stake in the company.
Johnson Samuel Williams reported acquisition or exercise transactions in this Form 4 filing.
Ultra Clean Holdings, Inc. reported that SVP, Services Business Samuel Williams received an equity grant of 5,567 shares of Common Stock as a compensation award. The grant was made at no cash cost to him and increased his directly held stake to 16,436 shares.
According to the footnote, these restricted stock units vest over three years, with equal portions vesting on each anniversary of the vesting commencement date of May 22, 2026. This structure ties part of his compensation to the company’s long-term performance and his continued service.
Ultra Clean Holdings, Inc. director David T. Ibnale reported a compensation-related stock award. He acquired 2,575 shares of common stock through a grant at no cash cost, increasing his directly held position to 47,816 shares.
The award is in the form of restricted stock units that vest 100% on the earlier of the day before the next annual stockholder meeting or one year from the grant date. This filing reflects routine equity compensation rather than an open-market purchase or sale.
Savage Sheri reported acquisition or exercise transactions in this Form 4 filing.
Ultra Clean Holdings, Inc. reported that its CFO, Sheri Savage, received a grant of 26,392 shares of Common Stock as a stock award. The shares were granted at no cash cost to her and are structured as restricted stock units.
These restricted stock units vest over 3 years, with equal portions vesting on each anniversary of the vesting commencement date of May 22, 2026. After this grant, Savage directly holds a total of 80,897 shares of the company’s common stock, reflecting her ongoing equity-based compensation.
GRANGER CLARENCE L reported acquisition or exercise transactions in this Form 4 filing.
Ultra Clean Holdings, Inc. director Clarence L. Granger reported an equity compensation award rather than an open-market trade. He received a grant of 2,575 shares of common stock in the form of restricted stock units at a stated price of $0.00 per share.
These restricted stock units vest 100% on the earlier of the day before the next annual stockholder meeting or one year from the grant date. Following this award, Granger holds 84,392 shares of common stock directly and 1,000 shares indirectly through a trust.
HARDING BRIAN E reported acquisition or exercise transactions in this Form 4 filing.
Ultra Clean Holdings, Inc. disclosed that Chief Accounting Officer Brian E. Harding received an award of 8,412 shares of common stock on May 22, 2026 at no cash cost. This equity award is in the form of restricted stock units that vest in three equal parts on each anniversary of the vesting commencement date of May 22, 2026. Following the grant, Harding directly holds 45,043 shares of the company’s common stock.
EDMAN THOMAS T reported acquisition or exercise transactions in this Form 4 filing.
Ultra Clean Holdings, Inc. director Thomas T. Edman received an equity award of 2,575 shares of Common Stock on May 22, 2026 as a grant or award. After this award, he directly holds 48,616 shares. The related restricted stock units vest 100% the earlier of the day before the next annual stockholder meeting or one year from the grant date.
Ultra Clean Holdings, Inc. Chief Information Officer Jeffrey L. McKibben sold 4,205 shares of Common Stock in an open-market transaction at $87.00 per share. Following this sale on May 14, 2026, he directly holds 11,349 shares of Ultra Clean common stock.
Ultra Clean Holdings, Inc. General Counsel and Secretary Paul Yoonku Cho reported an open-market sale of 2,000 shares of Common Stock. The shares were sold at an average price of $86.8901 per share. After this transaction, he directly holds 15,844 shares of the company’s stock.
Ultra Clean Holdings, Inc. Chief Information Officer Jeffrey L. McKibben reported an open-market sale of 2,500 shares of common stock on May 8, 2026. The shares were sold at a weighted average price of $86.4784, with individual trades between $86.46 and $86.55. Following this transaction, McKibben directly holds 15,554 shares of Ultra Clean common stock.
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.
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.
Ultra Clean Holdings, Inc.’s Chief Information Officer, Jeffrey L. McKibben, reported automatic dispositions of common stock related to tax withholding. On the Form 4 date, a total of 3,942 shares of common stock were withheld at $78.15 per share to pay tax liabilities triggered by the partial settlement of vested restricted stock unit awards. These transactions were coded as tax-withholding dispositions, not open‑market purchases or sales.
Ultra Clean Holdings General Counsel Paul Yoonku Cho reported share dispositions that were purely to cover taxes on vested equity, not open‑market sales. On April 30, 2026, a total of 5,501 shares of common stock were automatically withheld at $78.15 per share to pay tax liabilities from the partial settlement of restricted stock unit awards that vested. Following these tax-withholding transactions, he continued to hold a direct equity stake in Ultra Clean Holdings as reflected by the post-transaction share balances reported for each line item.
Ultra Clean Holdings SVP Samuel Williams reported a routine tax-related share disposition. On the partial settlement of vested restricted stock unit awards, 1,476 shares of common stock were automatically withheld on March 31, 2026 to cover tax liabilities at an indicated price of $62.18 per share.
These withheld shares were not sold in the open market but used to satisfy taxes due on equity compensation. After this transaction, Williams directly holds 10,869 shares of Ultra Clean Holdings common stock.
Ultra Clean Holdings director Clarence L. Granger reported a gift of company stock. On February 27, 2026, he transferred 6,000 shares of Common Stock as a bona fide gift, at a reported price of $0.00 per share. After this disposition, he directly holds 111,817 shares of Ultra Clean Holdings common stock, and an additional 1,000 shares are reported as held indirectly by a trust.
Ultra Clean Holdings, Inc. director David T. Ibnale reported a sale of company stock. On 12/03/2025, he sold 23,500 shares of Ultra Clean Holdings common stock in an open market transaction coded as a sale. The reported weighted average sale price was $26.6276 per share, with individual trades executed between $26.35 and $26.87. After this transaction, the reporting person beneficially owned 45,241 shares of Ultra Clean Holdings common stock held directly.
Ultra Clean Holdings, Inc. (UCTT) officer Jinsong Xiao received a grant of 117,948 restricted stock units on 09/26/2025. The award is reported as acquisition of common stock units at a reported price of $0, and the securities are held directly following the transaction. The restricted stock units vest in three equal annual installments beginning on the vesting commencement date of 09/26/2025, meaning one-third vests each anniversary over three years. The Form 4 was filed by one reporting person and signed by an attorney-in-fact on behalf of Mr. Xiao.
Ultra Clean Holdings, Inc. (UCTT) director Clarence L. Granger reported a routine insider transaction on Form 4. On 09/12/2025 Mr. Granger had 9,938 shares of common stock disposed at a price of $25.23 per share. The filing states these shares were automatically withheld to satisfy the tax liability arising from the partial settlement of restricted stock units that vested. After the reported disposition, Mr. Granger beneficially owns 121,817 shares directly and 1,000 shares indirectly through a trust. The Form 4 was signed by an attorney-in-fact on 09/16/2025.