0000950103-21-005089.txt : 20210401 0000950103-21-005089.hdr.sgml : 20210401 20210401205942 ACCESSION NUMBER: 0000950103-21-005089 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210330 FILED AS OF DATE: 20210401 DATE AS OF CHANGE: 20210401 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: WILLIAMS WILLIAM JOE CENTRAL INDEX KEY: 0001698624 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-50646 FILM NUMBER: 21800314 MAIL ADDRESS: STREET 1: ULTRA CLEAN HOLDINGS, INC. STREET 2: 26462 CORORATE AVE 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 dp148897_4-williams.xml FORM 4 X0306 4 2021-03-30 0 0001275014 Ultra Clean Holdings, Inc. UCTT 0001698624 WILLIAMS WILLIAM JOE ULTRA CLEAN HOLDINGS, INC. 26462 CORPORATE AVE HAYWARD CA 94545 0 1 0 0 President, Products Business Common Stock 2021-03-30 4 F 0 402 55.44 D 61844 D Common Stock 2021-03-30 4 F 0 2554 55.44 D 59290 D Represents shares automatically withheld for payment of tax liability arising as a result of the partial settlement of restricted stock unit awards that vested. /s/ Paul Y. Cho, as attorney-in-fact for William Joe Williams 2021-04-01