0000950103-24-007141.txt : 20240524 0000950103-24-007141.hdr.sgml : 20240524 20240524172617 ACCESSION NUMBER: 0000950103-24-007141 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240522 FILED AS OF DATE: 20240524 DATE AS OF CHANGE: 20240524 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: MADDOCK ERNEST E CENTRAL INDEX KEY: 0001227050 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-50646 FILM NUMBER: 24985603 MAIL ADDRESS: STREET 1: LAM RESEARCH STREET 2: 4650 CUSHING PARKWAY CITY: FREMONT STATE: CA ZIP: 94538 FORMER NAME: FORMER CONFORMED NAME: MADDOCK ERNIE DATE OF NAME CHANGE: 20030411 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 dp211657_4-maddock.xml FORM 4 X0508 4 2024-05-22 0 0001275014 Ultra Clean Holdings, Inc. UCTT 0001227050 MADDOCK ERNEST E ULTRA CLEAN HOLDINGS, INC. 26462 CORPORATE AVE HAYWARD CA 94545 1 0 0 0 0 Common Stock 2024-05-22 4 A 0 3647 0 A 38043 D Restricted stock award vests 100% the earlier of the day before the next annual stockholder meeting or 1 year from the date of grant. /s/ Paul Y. Cho, as attorney-in-fact for Ernest E. Maddock 2024-05-24