0000950103-25-006465.txt : 20250527 0000950103-25-006465.hdr.sgml : 20250527 20250527211615 ACCESSION NUMBER: 0000950103-25-006465 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20250521 FILED AS OF DATE: 20250527 DATE AS OF CHANGE: 20250527 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Solomon Joanne CENTRAL INDEX KEY: 0001418436 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-50646 FILM NUMBER: 25990677 MAIL ADDRESS: STREET 1: 1445 SOUTH SPECTRUM BLVD. STREET 2: SUITE 102 CITY: CHANDLER STATE: AZ 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 EIN: 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 dp229192_4-solomon.xml FORM 4 X0508 4 2025-05-21 0 0001275014 Ultra Clean Holdings, Inc. UCTT 0001418436 Solomon Joanne ULTRA CLEAN HOLDINGS, INC. 26462 CORPORATE AVE HAYWARD CA 94545 1 0 0 0 0 Common Stock 2025-05-21 4 A 0 8198 0 A 9508 D Restricted stock units vest 100% the earlier of the day before the next annual stockholder meeting or 1 year from the date of grant. This Form 4 is being filed late due to a technical issue with a change to the CIK Confirmation Code (CCC). /s/ Paul Y. Cho, as attorney-in-fact for Joanne Solomon 2025-05-27