0000950103-21-013331.txt : 20210831 0000950103-21-013331.hdr.sgml : 20210831 20210831190232 ACCESSION NUMBER: 0000950103-21-013331 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210827 FILED AS OF DATE: 20210831 DATE AS OF CHANGE: 20210831 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: McKibben Jeffrey L. CENTRAL INDEX KEY: 0001878029 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-50646 FILM NUMBER: 211228310 MAIL ADDRESS: STREET 1: C/O ULTRA CLEAN HOLDINGS, INC. STREET 2: 26462 CORPORATE AVENUE CITY: HAYWARD, STATE: CA ZIP: 94545 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Ultra Clean Holdings, Inc. CENTRAL INDEX KEY: 0001275014 STANDARD INDUSTRIAL CLASSIFICATION: SEMICONDUCTORS & RELATED DEVICES [3674] IRS NUMBER: 611430858 STATE OF INCORPORATION: DE FISCAL YEAR END: 1225 BUSINESS ADDRESS: STREET 1: 26462 CORPORATE AVENUE CITY: HAYWARD STATE: CA ZIP: 94545 BUSINESS PHONE: (510) 576-4400 MAIL ADDRESS: STREET 1: 26462 CORPORATE AVENUE CITY: HAYWARD STATE: CA ZIP: 94545 FORMER COMPANY: FORMER CONFORMED NAME: ULTRA CLEAN HOLDINGS INC DATE OF NAME CHANGE: 20031231 4 1 dp157021_4-mckibben.xml FORM 4 X0306 4 2021-08-27 0 0001275014 Ultra Clean Holdings, Inc. UCTT 0001878029 McKibben Jeffrey L. ULTRA CLEAN HOLDINGS, INC. 26462 CORPORATE AVENUE HAYWARD, CA 94545 0 1 0 0 Chief Information Officer Common Stock 2021-08-27 4 A 0 15958 0 A 15958 D Restricted stock units vest over 3 years with equal parts vesting on each anniversary of the vesting commencement date of August 27, 2021. /s/ Paul Y. Cho, as attorney-in-fact for Jeffrey L. McKibben 2021-08-31