Item 5. Other Information
ITEM 5. Other Information
None .
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Table of Contents
ITEM 6. Exhibits
(a) Exhibits
The following exhibits are filed with this quarterly Report on Form 10-Q for the quarter ended March 27, 2026:
Exhibit
Number
Description Form Exhibit Filing Date Filed
Herewith
31.1 Certification of Interim Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 .
X
31.2 Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 .
X
32.1 Certification of the Interim Chief Executive Officer and the Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
X
10.1 Ninth Amendment, dated as of February 26, 2026, by and among Ultra Clean Holdings, Inc., the subsidiaries of Ultra Clean Holdings, Inc. party thereto, Barclays Bank PLC, as administrative agent and the lenders party thereto.
X
10.2 Form of Confirmation for Capped Call Transactions.
8-K 10.1 March 3, 2026
4.1 Indenture, dated as of March 3, 2026, between Ultra Clean Holdings, Inc. and U.S. Bank Trust Company, National Association, as trustee.
8-K 4.1 March 3, 2026
4.2 Form of certificate representing the 0.00% Convertible Senior Notes due 2031 (included as Exhibit A to Exhibit 4.1).
8-K 4.2 March 3, 2026
101.INS Inline XBRL Instance Document – the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.
101.SCH Inline XBRL Taxonomy Extension Schema Document
101.CAL Inline XBRL Taxonomy Calculation Linkbase Document
101.DEF Inline XBRL Taxonomy Definition Linkbase Document
101.LAB Inline XBRL Taxonomy Label Linkbase Document
101.PRE Inline XBRL Taxonomy Extension Presentation Linkbase Document
104 Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)
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SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
ULTRA CLEAN HOLDINGS, INC.
(Registrant)
Date: April 29, 2026
By: /S/ JAMES XIAO
Name: James Xiao
Title: Chief Executive Officer
(Principal Executive Officer and duly
authorized signatory)
Date: April 29, 2026
By: /S/ SHERI SAVAGE
Name: Sheri Savage
Title: Chief Financial Officer
(Principal Financial Officer and duly
authorized signatory)
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Text extracted from the filing as submitted to EDGAR. Formatting, tables and exhibits are simplified for reading; the original document is authoritative for anything you rely on.