0001415889-22-007428.txt : 20220705 0001415889-22-007428.hdr.sgml : 20220705 20220705201633 ACCESSION NUMBER: 0001415889-22-007428 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20220701 FILED AS OF DATE: 20220705 DATE AS OF CHANGE: 20220705 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Zhang Shuo CENTRAL INDEX KEY: 0001782026 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-31311 FILM NUMBER: 221067128 MAIL ADDRESS: STREET 1: PDF SOLUTIONS, INC. STREET 2: 2858 DE LA CRUZ BOULEVARD CITY: SANTA CLARA STATE: CA ZIP: 95050 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: PDF SOLUTIONS INC CENTRAL INDEX KEY: 0001120914 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-PREPACKAGED SOFTWARE [7372] IRS NUMBER: 251701361 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 2858 DE LA CRUZ BOULEVARD CITY: SANTA CLARA STATE: CA ZIP: 95050 BUSINESS PHONE: 4082807900 MAIL ADDRESS: STREET 1: 2858 DE LA CRUZ BOULEVARD CITY: SANTA CLARA STATE: CA ZIP: 95050 4 1 form4-07052022_050719.xml X0306 4 2022-07-01 0001120914 PDF SOLUTIONS INC PDFS 0001782026 Zhang Shuo 2858 DE LA CRUZ BOULEVARD SANTA CLARA CA 95050 true false false false Common Stock 2022-07-01 4 A 0 7212 A 17574 D These shares represent an award of Restricted Stock Units (Total RSU) under the Company's Director Compensation P rogram. 1/12th of the Total RSU shall vest on the grant effective date and 1/12th of the Total RSU shall vest monthly thereafter until fully vested, subject to the Recipient's continued service through each applicable vesting date. /s/ Kimon Michaels, Attorney-in-Fact for Shuo Zhang 2022-07-05