0001415889-23-010692.txt : 20230705 0001415889-23-010692.hdr.sgml : 20230705 20230705143032 ACCESSION NUMBER: 0001415889-23-010692 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230601 FILED AS OF DATE: 20230705 DATE AS OF CHANGE: 20230705 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: GUSTAFSON MICHAEL B CENTRAL INDEX KEY: 0001245081 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-31311 FILM NUMBER: 231067972 MAIL ADDRESS: STREET 1: 380 INTERLOCKEN CRESCENT CITY: BROOMFIELD STATE: CO ZIP: 80021 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 form4-07052023_060728.xml X0407 4 2023-06-01 0001120914 PDF SOLUTIONS INC PDFS 0001245081 GUSTAFSON MICHAEL B 2858 DE LA CRUZ BOULEVARD SANTA CLARA CA 95050 true false false false 0 Common Stock 2023-07-01 4 A 0 3354 A 19942 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/ Adnan Raza, Attorney-in-Fact for Michael B. Gustafson 2023-07-05