0001437749-17-020126.txt : 20171204 0001437749-17-020126.hdr.sgml : 20171204 20171204160727 ACCESSION NUMBER: 0001437749-17-020126 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20171201 FILED AS OF DATE: 20171204 DATE AS OF CHANGE: 20171204 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: WALKER GREGORY C CENTRAL INDEX KEY: 0001227568 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-31311 FILM NUMBER: 171237111 MAIL ADDRESS: STREET 1: 2 RESULTS WAY CITY: CUPERTINO STATE: CA ZIP: 95014 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: PDF SOLUTIONS INC CENTRAL INDEX KEY: 0001120914 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-COMPUTER PROGRAMMING SERVICES [7371] IRS NUMBER: 251701361 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 333 WEST SAN CARLOS STREET STREET 2: SUITE 700 CITY: SAN JOSE STATE: CA ZIP: 95110 BUSINESS PHONE: 4082807900 MAIL ADDRESS: STREET 1: 333 WEST SAN JOSE STREET STREET 2: SUITE 700 CITY: SAN JOSE STATE: CA ZIP: 95110 4 1 rdgdoc.xml FORM 4 X0306 4 2017-12-01 0001120914 PDF SOLUTIONS INC PDFS 0001227568 WALKER GREGORY C 333 W. SAN CARLOS ST. SUITE 1000 SAN JOSE CA 95110 1 CFO, VP Finance Common Stock 2017-12-01 4 F 0 659 16.93 D 21913 D This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of Restricted Stock rights. This is not a sale of shares in the market. Includes 914 shares of common stock that were purchased on July 31, 2017 under the PDF Employee Stock Purchase Plan /s/ Gregory C. Walker 2017-12-04