0001972362-24-000729.txt : 20240517 0001972362-24-000729.hdr.sgml : 20240517 20240517163821 ACCESSION NUMBER: 0001972362-24-000729 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240517 DATE AS OF CHANGE: 20240517 SUBJECT COMPANY: 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 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 000-50646 FILM NUMBER: 24960492 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 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Cho Paul Yoonku CENTRAL INDEX KEY: 0001791106 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: C/O ULTRA CLEAN HOLDINGS, INC. STREET 2: 26462 CORPORATE AVENUE CITY: HAYWARD STATE: CA ZIP: 94545 144 1 primary_doc.xml 144 0001791106 XXXXXXXX LIVE 0001275014 Ultra Clean Holdings, Inc. 000-50646 26462 CORPORATE AVENUE HAYWARD CA 94545 (510) 576-4400 Cho Paul Yoonku Officer COMMON Morgan Stanley Smith Barney LLC Executive Services

200 W Civic Center Dr - 4th Floor SANDY UT 84070

3449 154485.71 44700000 05/17/2024 NASDAQ COMMON 03/25/2024 RESTRICTED STOCK ISSUER N 169 03/25/2024 COMPENSATION COMMON 04/29/2024 RESTRICTED STOCK ISSUER N 967 04/29/2024 COMPENSATION COMMON 04/30/2024 RESTRICTED STOCK ISSUER N 2133 04/30/2024 COMPENSATION COMMON 03/29/2024 PERFORMANCE SHARES ISSUER N 180 03/29/2024 COMPENSATION Y 05/17/2024 /s/ Paul Yoonku Cho