David T. Ibnale - Dec 3, 2025 Form 4 Insider Report for Ultra Clean Holdings, Inc. (UCTT)

Role: Director
Signature: /s/ Paul Y. Cho, as attorney-in-fact for David T. Ibnale
Stock symbol: UCTT
Transactions as of: Dec 3, 2025
Transactions value $: -$625,749
Form type: 4
Date filed: 12/5/2025, 04:48 PM
Previous filing: May 23, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
IBNALE DAVID T	Director	ULTRA CLEAN HOLDINGS, INC., 26462 CORPORATE AVE., HAYWARD	/s/ Paul Y. Cho, as attorney-in-fact for David T. Ibnale	2025-12-05	0001283715

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	UCTT	Common Stock	Sale	-$626K	-23.5K	-34.19%	$26.63	45.2K	Dec 3, 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This is the weighted average sale price. Shares were sold in multiple transactions at prices ranging from $26.35 to $26.87. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (1) to this Form 4.

Content

This is the weighted average sale price. Shares were sold in multiple transactions at prices ranging from $26.35 to $26.87. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (1) to this Form 4.