0001415889-22-003093.txt : 20220317 0001415889-22-003093.hdr.sgml : 20220317 20220317132935 ACCESSION NUMBER: 0001415889-22-003093 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20220315 FILED AS OF DATE: 20220317 DATE AS OF CHANGE: 20220317 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: 22747735 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 form4-03172022_100324.xml X0306 4 2022-03-15 0001120914 PDF SOLUTIONS INC PDFS 0001782026 Zhang Shuo 2858 DE LA CRUZ BOULEVARD SANTA CLARA CA 95050 true false false false Common Stock 2022-03-15 4 S 0 11017 25.50 D 10362 D Average weighted price for shares disposed in the reported transaction. The shares were sold in multiple brokers' transaction at various market prices per share ranging between $25.2 and $25.68 /s/ Kimon Michaels, Attorney-In-Fact for Shuo Zhang 2022-03-17