Jeffrey L. McKibben - 30 Apr 2025 Form 4 Insider Report for Ultra Clean Holdings, Inc. (UCTT)

Role: Chief Information Officer
Signature: /s/ Paul Y. Cho, as attorney-in-fact for Jeffrey L. McKibben
Issuer symbol: UCTT
Transactions as of: 30 Apr 2025
Net transactions value: -$60,826
Form type: 4
Filing time: 02 May 2025, 21:03:08 UTC
Previous filing: 29 Apr 2025
Next filing: 06 Jun 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
McKibben Jeffrey L.	Chief Information Officer	C/O ULTRA CLEAN HOLDINGS, INC., 26462 CORPORATE AVENUE, HAYWARD	/s/ Paul Y. Cho, as attorney-in-fact for Jeffrey L. McKibben	02 May 2025	0001878029

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	UCTT	Common Stock	Tax liability	$17,999	-962	-3%	$18.71	30,579	30 Apr 2025	Direct	F1
transaction	UCTT	Common Stock	Tax liability	$18,542	-991	-3.2%	$18.71	29,588	30 Apr 2025	Direct	F1
transaction	UCTT	Common Stock	Tax liability	$24,286	-1,298	-4.4%	$18.71	28,290	30 Apr 2025	Direct	F1

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

Explanation of Responses:

Id	Content
F1	Represents shares automatically withheld for payment of tax liability arising as a result of the partial settlement of restricted stock unit awards that vested.