0001415889-23-001910.txt : 20230203 0001415889-23-001910.hdr.sgml : 20230203 20230203152439 ACCESSION NUMBER: 0001415889-23-001910 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230201 FILED AS OF DATE: 20230203 DATE AS OF CHANGE: 20230203 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Strojwas Andrzej CENTRAL INDEX KEY: 0001892306 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-31311 FILM NUMBER: 23585485 MAIL ADDRESS: STREET 1: 2858 DE LA CRUZ BLVD. 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 form4-02032023_080224.xml X0306 4 2023-02-01 0001120914 PDF SOLUTIONS INC PDFS 0001892306 Strojwas Andrzej 2858 DE LA CRUZ BLVD. SANTA CLARA CA 95050 false true false false CTO Common Stock 2023-02-01 4 F 0 357 32.65 D 89659 D This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market. Includes 456 shares of common stock that were purchased on January 31, 2023 under the PDF Employee Stock Purchase Plan. /s/ Adnan Raza, Attorney-In-Fact for Andrzej Strojwas 2023-02-02