Ultra Clean Holdings, Inc. (UCTT)

Environment story

Ultra Clean Holdings operates in semiconductor equipment and services with significant operational footprint across Asia Pacific, EMEA, and North America. The company discloses minimal direct environmental metrics in its 10-K filing. Scope 1 and Scope 2 emissions data are not disclosed, triggering a 15-point deduction. No net-zero target year is disclosed, resulting in a 15-point deduction. The company identifies risks related to natural disasters at facilities in seismically active areas (Hayward CA, Taiwan) and power outages, indicating awareness of climate-related operational vulnerabilities. No verified investments in decarbonization infrastructure are documented. No active environmental litigation or resource controversies (toxic waste, water consumption) are disclosed in the 10-K. The company's Fluid Solutions segment operates in Israel, an area with geopolitical instability that may impact supply chain sustainability. No greenwashing indicators detected; however, absence of Scope 3 disclosure for semiconductor manufacturing supply chains (typically 70%+ of operational footprint) caps environmental score at 60 per greenwashing protocol.

Social story

Ultra Clean Holdings does not disclose CEO-to-median-worker pay ratio, workforce diversity percentages, turnover rates, or leadership diversity metrics in its 10-K filing. No union-suppression activities, strikes, or documented labor disputes are reported within the last 24 months. The company acknowledges dependence on highly skilled technology talent in competitive labor markets and indicates challenges attracting and retaining key personnel, particularly engineers. No supply-chain human-rights audit results, cobalt sourcing practices, or lithium mining oversight are disclosed. The company references conflict minerals disclosure requirements and acknowledges inability to verify conflict-free sourcing status as of May 2024. No formal diversity initiatives, supplier-diversity programs, or civil-rights audits are mentioned. The company does not disclose EEO-1 workforce composition or HRC Equality Index scores. No shareholder proposals related to social issues are referenced in the 10-K.

Governance story

Ultra Clean Holdings does not disclose board independence percentage, board composition, or share structure details in the 10-K filing. No dual-class voting structure is explicitly mentioned, suggesting a single-class common stock arrangement; however, absence of explicit disclosure limits verification. Lobbying expenditures are not disclosed. The company incurred significant regulatory compliance costs responding to SEC subpoena related to material weaknesses in internal controls over financial reporting identified in 2022 and 2023 annual reports. The company recorded a $151.1 million goodwill impairment charge in Q2 2025 following market capitalization decline, indicating previous valuation challenges. No active antitrust proceedings are disclosed; however, the company acknowledges past SEC consent decrees through the auditor change context. No consumer-safety or financial-fraud proceedings are referenced. The company maintains restrictive covenants under credit agreements limiting acquisitions, debt incurrence, and other strategic actions. No shareholder litigation to block climate proposals is disclosed.

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