0000950103-24-005329.txt : 20240415 0000950103-24-005329.hdr.sgml : 20240415 20240415192541 ACCESSION NUMBER: 0000950103-24-005329 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231114 FILED AS OF DATE: 20240415 DATE AS OF CHANGE: 20240415 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Cook Christopher S CENTRAL INDEX KEY: 0001927266 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-50646 FILM NUMBER: 24845834 MAIL ADDRESS: STREET 1: 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] ORGANIZATION NAME: 04 Manufacturing IRS NUMBER: 611430858 STATE OF INCORPORATION: DE FISCAL YEAR END: 1230 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 dp209873_4-cook.xml FORM 4 X0508 4 2023-11-14 0 0001275014 Ultra Clean Holdings, Inc. UCTT 0001927266 Cook Christopher S ULTRA CLEAN HOLDINGS, INC. 26462 CORPORATE AVENUE HAYWARD CA 94545 0 1 0 0 President, Products Division 0 Common Stock 2023-11-14 4 S 0 4662 26.68 D 32915 D Due to an administrative oversight, this sale in connection with the vesting and settlement of restricted stock units was not timely filed. Represents shares currently held. /s/ Paul Y. Cho, as attorney-in-fact for Christopher S. Cook 2024-04-15