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UCTTNasdaq
Ultra Clean Holdings, Inc.
Semiconductors & Related Devices · DE · CIK 1275014
Ultra Clean Holdings develops and supplies critical semiconductor industry subsystems, parts, and ultra-high purity cleaning and analytical services
$4.88B
Market cap
$130.70
Last close
+10.0%
1D
+6.1%
5D
1.4M
Volume
Price · last 39 sessions+78.8%
May 4L $73.11 · H $130.70Jun 29
216
Total filings
May 26, 2026
Last filing
12/30
Fiscal year end
8-KShareholder VoteMay 26, 202610-Q/A10-Q/AMay 1, 202610-Q10-QApr 29, 20268-KCompany UpdateApr 28, 20268-KCompany UpdateApr 28, 2026DEF 14ADEF 14AApr 27, 20268-KMaterial Agreement · New Debt / ObligationApr 24, 20268-KMaterial Agreement · New Debt / ObligationMar 3, 20268-KMaterial Agreement · Company UpdateFeb 27, 20268-KCompany UpdateFeb 25, 202610-K10-KFeb 23, 20268-KCompany UpdateFeb 23, 20268-KExecutive ChangeJan 28, 202610-Q10-QOct 29, 20258-KResults of Operations · Company UpdateOct 28, 20258-KMaterial Agreement · New Debt / ObligationSep 16, 20258-KExecutive ChangeAug 7, 202510-Q10-QJul 29, 20258-KResults of OperationsJul 28, 20258-KExecutive ChangeJun 30, 20258-KShareholder VoteMay 27, 202510-Q10-QApr 29, 20258-KResults of OperationsApr 28, 2025DEF 14ADEF 14AApr 28, 20258-KExecutive ChangeMar 5, 202510-K10-KFeb 25, 20258-KResults of OperationsFeb 24, 202510-Q/A10-Q/AFeb 11, 202510-Q/A10-Q/AFeb 11, 20258-KExecutive ChangeJan 31, 202510-Q10-QOct 30, 20248-KResults of OperationsOct 28, 20248-KMaterial Agreement · New Debt / ObligationOct 10, 202410-Q10-QJul 26, 20248-KCompany UpdateJul 25, 20248-KShareholder VoteMay 28, 20248-KExecutive ChangeMay 15, 202410-Q10-QMay 6, 20248-KCompany UpdateMay 6, 2024DEF 14ADEF 14AApr 26, 20248-KMaterial Agreement · New Debt / ObligationApr 9, 20248-KAuditor ChangeMar 8, 202410-K10-KMar 6, 20248-KCompany UpdateFeb 21, 2024SC 13GSC 13GFeb 14, 202410-Q10-QNov 7, 20238-KExecutive ChangeNov 1, 20238-KCompany UpdateOct 31, 20238-KCompany UpdateOct 25, 20238-KCompany UpdateOct 23, 202310-Q10-QAug 11, 20238-KMaterial Agreement · New Debt / ObligationAug 1, 20238-KResults of OperationsJul 27, 20238-KMaterial AgreementJul 6, 20238-KShareholder VoteMay 18, 202310-Q10-QMay 5, 2023DEFA14ADEFA14AMay 1, 20238-KResults of OperationsApr 26, 2023DEF 14ADEF 14AApr 21, 202310-K10-KFeb 28, 20238-KResults of OperationsFeb 22, 2023SC 13GSEC SCHEDULE 13GFeb 10, 20238-KCompany UpdateJan 9, 202310-Q10-QNov 9, 20228-KResults of Operations · Company UpdateOct 26, 20228-KExecutive ChangeOct 13, 20228-K/AMaterial Agreement · New Debt / ObligationAug 29, 20228-KMaterial Agreement · New Debt / ObligationAug 24, 202210-Q10-QAug 9, 20228-KResults of OperationsJul 28, 20228-KExecutive ChangeJun 27, 20228-KShareholder VoteMay 20, 20228-KExecutive ChangeMay 18, 202210-Q10-QMay 10, 20228-KExecutive ChangeMay 4, 20228-KResults of OperationsApr 27, 20228-KExecutive ChangeApr 25, 2022DEF 14ADEF 14AApr 25, 20228-KCompany UpdateApr 11, 202210-K10-KMar 1, 2022
Insider Activity
In the 90 days to Dec 3, 2025: 1 sold $626K.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Dec 3, 2025 | Ibnale David TDirector | Sell | 23,500 | $26.63 | $626K |
Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.
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