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Ultra Clean Holdings, Inc. — Investor Relations & Filings

Ticker · UCTT ISIN · US90385V1070 LEI · 5493007L6LS7QX18PE75 US Manufacturing
Filings indexed 1,203 across all filing types
Latest filing 2026-05-01 Interim / Quarterly Rep…
Country US United States of America
Listing US UCTT

About Ultra Clean Holdings, Inc.

https://www.uct.com/

Ultra Clean Holdings, Inc. is a developer and supplier of critical subsystems, components, and ultra-high purity services, primarily for the semiconductor industry and other advanced technology sectors. The company operates through two main divisions. The Products division provides an integrated outsourced solution for major subassemblies, encompassing design, prototyping, and high-precision manufacturing of systems for gas and chemical delivery, mechatronics, thermal management, and fluid control. The Services division specializes in ultra-high purity cleaning, protective and functional coating, and micro-contamination analysis for critical tool parts, ensuring the integrity of manufacturing processes.

Recent filings

Filing Released Lang Actions
10-Q/A - Ultra Clean Holdings, Inc. (0001275014) (Filer)
Interim / Quarterly Report
2026-05-01 English
8-K - Ultra Clean Holdings, Inc. (0001275014) (Filer)
Regulatory Filings
2026-04-28 English
ARS - Ultra Clean Holdings, Inc. (0001275014) (Filer)
Annual Report
2026-04-27 English
DEF 14A - Ultra Clean Holdings, Inc. (0001275014) (Filer)
Proxy Solicitation & Information Statement
2026-04-27 English
SCHEDULE 13G/A - Ultra Clean Holdings, Inc. (0001275014) (Subject)
Major Shareholding Notification
2026-03-27 English
4 - ULTRA CLEAN HOLDINGS, INC. (0001275014) (Filer)
Director's Dealing
2026-03-03 English

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