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Executive Summary

Ultra Clean Holdings entered into an at-the-market (ATM) equity offering sales agreement with UBS, Barclays, Craig-Hallum, and Oppenheimer to sell up to $400 million of common stock at prevailing market prices. The program represents potential dilution of roughly 9.5% of the current $4.2B market cap and creates ongoing overhang, with proceeds earmarked for general corporate purposes including potential M&A.

Key Financial Metrics

Key Facts

• Entered ATM equity offering sales agreement on August 14, 2026 with UBS Securities LLC, Barclays Capital Inc., Craig-Hallum Capital Group LLC, and Oppenheimer & Co. Inc.
• Up to $400,000,000 aggregate gross sales price of common stock may be sold through the ATM program.
• Sales agents receive compensation of up to 3.0% of gross offering proceeds.
• Shares may be sold at prevailing market prices on Nasdaq or other venues, in ordinary brokers' transactions, or in negotiated sales, at the Company's discretion.
• ATM program is under automatic shelf registration statement on Form S-3 (File No. 333-278195), with prospectus supplement dated August 14, 2026.
• Company is not obligated to sell any shares and may suspend sales at any time.
• Cross-filing: 424B5 filed the same day confirms the $400M ATM; prior analysis estimated ~9.5% dilution of market cap.

Financial Impact

Up to $400 million in potential common stock sales (~9.5% of current $4.2B market cap per prior analysis), with agent commissions up to 3.0% of gross proceeds.

Risk Factors

• Potential ~9.5% dilution if the full $400M ATM is executed
• Ongoing share overhang from the at-the-market facility
• Proceeds may fund value-destructive or dilutive M&A
• Sales at prevailing market prices can pressure the stock in a downturn

Market Snapshot

Investment Themes

Documents Analyzed

This report is based on 8 SEC documents filed with EDGAR.

US Market Status