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Home/The Filing Wire/Ultra Clean Holdings, Inc./ 3

Initial Beneficial Ownership · 3

Ultra Clean Holdings, Inc.

UCTTNASDAQEQUITYCurrent

Initial Beneficial Ownership

Filed Oct 2, 2026Accepted Oct 2, 2026, 6:39 PM EDTFiling CIK 1275014Accession 0000950103-26-015153
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Structured filing — 3

ownership.xml

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Filing details

Report period
2026-09-28
Issuer
Ultra Clean Holdings, Inc.
Issuer CIK
0001275014
Trading symbol
UCTT
No securities owned
Checked

Reporting owner 1

Name
DAVERN ALEXANDER M
Reporting owner CIK
0001192890
Relationship
Director
Address
ULTRA CLEAN HOLDINGS, INC., 26462 CORPORATE AVE., HAYWARD, CA, 94545

Remarks

No securities are beneficially owned. Exhibit 24 - Power of Attorney

Signature 1

Signed
/s/ Paul Y. Cho, as attorney-in-fact for Alexander M. Davern
Date
2026-10-02

Filed exhibits

Company context

Current securities

UCTTNASDAQ · EQUITY · Current

Recent company filings

  1. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory ArrangementsSep 30, 2026
  2. Entry into a Material Definitive AgreementAug 14, 2026
  3. 424B5 filingAug 14, 2026
  4. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory ArrangementsAug 6, 2026
  5. 10-Q filingAug 4, 2026

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