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Ultra Clean Holdings, Inc.

UCTT
Exchange
Nasdaq
Industry
Semiconductors & Related Devices
SEC CIK
0001275014

In the last 90 days, Ultra Clean Holdings, Inc. insiders filed 0 open-market purchases and 1 sale; 438 institutions reported holding it in 13F filings for Q2 2026, worth $6.50B in total; Maverick Capital is the only superinvestor holding it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Ultra Clean Holdings, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
1 filing
1 insider, $494.0K in total
Insiders trading
1
Net value
−$494.0K
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Ultra Clean Holdings, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Ultra Clean Holdings, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Keogh Michael DennisChief Financial Officer20,917Sep 4, 20261
Cook Christopher SPresident, Products Division98,126Sep 2, 20264
Harding Brian EChief Accounting Officer33,581Jul 7, 20266
Savage SheriCFO66,476Jun 9, 20264
Cho Paul YoonkuGeneral Counsel and Secretary22,941Jun 4, 20264
Edman Thomas TDirector48,616May 27, 20261
Maddock Ernest EDirector47,816May 27, 20261
Liggett Emily MDirector38,152May 27, 20261
Granger Clarence LDirector84,392May 27, 20265
Ibnale David TDirector47,816May 27, 20262
Solomon JoanneDirector12,083May 27, 20261
Seto Jacqueline A.Director31,525May 27, 20261
McKibben Jeffrey L.Chief Information Officer17,245May 27, 20264
Palfrey Jamie J.SVP, Global Human Resources26,343May 27, 20263
Johnson Samuel WilliamsSVP, Services Business16,436May 27, 20262
Xiao JinsongChief Executive Officer149,123May 27, 20262
Wunar Robert AnthonyChief Operating Officer10,732May 27, 20261
Bajwa HarjinderChief Operating Officer76,693Jul 2, 20250
Bentinck BillPresident, Services Business71,503May 2, 20250
Scholhamer James PCEO418,453Jul 11, 20240
Scherer Barbara VaughnDirector53,543May 24, 20240
Chinnasami Vijayan S.Chief Operating Officer184,342May 2, 20230
Siu ChrisChief Accounting Officer & SVP40,106Jun 2, 20220
Williams William JoePresident, Products Business34,061May 3, 20220

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Dec 5, 2025 (view filing)Dec 32 daysIbnale David TDirectorSSale−23.5K$26.63−$625.8K−34.2%45.2K after
May 4, 2026 (view filing)Apr 304 daysCook Christopher SPresident, Products DivisionSSale−11.9K$75.31−$896.4K−9.9%108.9K after
May 5, 2026 (view filing)May 14 daysGranger Clarence LDirectorSSale−30.0K$75.30−$2.26M−26.8%81.8K after4 lots10b5-1
May 6, 2026 (view filing)May 42 daysCook Christopher SPresident, Products DivisionSSale−11.5K$73.96−$848.9K−10.5%97.4K after2 lots
May 7, 2026 (view filing)May 52 daysHarding Brian EChief Accounting OfficerSSale−4.00K$80.00−$320.0K−9.8%36.6K after
May 7, 2026 (view filing)May 52 daysPalfrey Jamie J.SVP, Global Human ResourcesSSale−8.69K$79.73−$692.9K−34.6%16.4K after
May 12, 2026 (view filing)May 84 daysMcKibben Jeffrey L.Chief Information OfficerSSale−2.50K$86.48−$216.2K−13.8%15.6K after
May 12, 2026 (view filing)May 84 daysCho Paul YoonkuGeneral Counsel and SecretarySSale−2.00K$86.89−$173.8K−11.2%15.8K after
May 18, 2026 (view filing)May 144 daysMcKibben Jeffrey L.Chief Information OfficerSSale−4.21K$87.00−$365.8K−27.0%11.3K after
May 27, 2026 (view filing)May 27Same dayLiggett Emily MDirectorSSale−8.20K$92.18−$755.7K−17.7%38.2K after
Jun 4, 2026 (view filing)Jun 22 daysCho Paul YoonkuGeneral Counsel and SecretarySSale−944$89.37−$84.4K−4.0%22.9K after
Jun 8, 2026 (view filing)Jun 44 daysHarding Brian EChief Accounting OfficerSSale−17.0K$89.47−$1.52M−37.7%28.1K after22 lots10b5-1
Jun 9, 2026 (view filing)Jun 45 daysLateSavage SheriCFOSSale−15.8K$89.47−$1.41M−23.7%50.7K after17 lots10b5-1
Jun 9, 2026 (view filing)Jun 45 daysLateSavage SheriCFOSSale−14.4K$89.45−$1.29M−17.8%66.5K after29 lots10b5-1
Jul 7, 2026 (view filing)7:06 PM ETJul 25 daysHarding Brian EChief Accounting OfficerSSale−3.84K$128.75−$494.0K−10.3%33.6K after3 lots10b5-1