0001437749-19-015298.txt : 20190802 0001437749-19-015298.hdr.sgml : 20190802 20190802143936 ACCESSION NUMBER: 0001437749-19-015298 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20190801 FILED AS OF DATE: 20190802 DATE AS OF CHANGE: 20190802 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: 19995547 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 rdgdoc.xml FORM 4 X0306 4 2019-08-01 0001120914 PDF SOLUTIONS INC PDFS 0001782026 Zhang Shuo 2858 DE LA CRUZ BLVD. SANTA CLARA CA 95050 1 Common Stock 2019-08-01 4 A 0 12003 0 A 12003 D These shares represent an award of restricted stock units under the Company's Director Compensation Program. 12.5% of the total shares will vest every 6 months after the grant effective date until fully vested, provided that the reporting person continues to serve as a Director on the Board of Directors /s/ Christine Russell, Attorney-in-Fact for Shuo Zhang 2019-08-01