Ultra Clean Holdings launches $400M at-the-market offering to fund operations and potential M&A

Filed August 14, 2026 · ~2 min read

Key Changes

• high

  Ultra Clean is offering up to $400 million of common stock through an at-the-market program, selling shares over time through sales agents at prevailing market prices rather than in a single priced transaction. Sales agents receive commissions up to 3.0% of gross proceeds.

  The Offering verify on EDGAR →
• medium

  Proceeds will fund general corporate purposes including working capital, product development, sales and marketing, and capital expenditures. The company may also use proceeds for acquisitions of complementary businesses or technologies, though no specific targets are identified.

  Use of Proceeds verify on EDGAR →
• medium

  The company operates two segments: Products (subsystems and components for semiconductor equipment makers) and Services (cleaning, coating and contamination analysis for chip manufacturers). Most revenue goes to U.S.-registered customers with global operations.

  Business view on EDGAR →