0001437749-17-007891.txt : 20170503 0001437749-17-007891.hdr.sgml : 20170503 20170503203805 ACCESSION NUMBER: 0001437749-17-007891 CONFORMED SUBMISSION TYPE: 4/A PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20131108 FILED AS OF DATE: 20170503 DATE AS OF CHANGE: 20170503 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 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: WALKER GREGORY C CENTRAL INDEX KEY: 0001227568 FILING VALUES: FORM TYPE: 4/A SEC ACT: 1934 Act SEC FILE NUMBER: 000-31311 FILM NUMBER: 17811391 MAIL ADDRESS: STREET 1: 2 RESULTS WAY CITY: CUPERTINO STATE: CA ZIP: 95014 4/A 1 rdgdoc.xml FORM 4/A X0306 4/A 2013-11-08 2013-11-12 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 2013-11-08 4 M 0 3750 6.09 A 15598 D Common Stock 2013-11-08 4 S 0 4292 22.7990 D 11306 D Common Stock 2015-11-01 4 F 0 454 10.56 D 21152 D Stock Options (Right to Buy) 6.09 2013-11-08 4 M 0 3750 0 A 2013-11-08 2022-11-07 Common Stock 3750 172500 D Average weighted sale price for shares disposed of in the reported transaction. The shares were sold in multiple brokers' transactions at various market prices per share ranging from $22.777 to $22.83. The purpose of this amendment is to correct the arithmetical error to increase the total amount by 3750 shares, which were inadvertently subtracted from the total amount on Form 4 filed on 11/12/2013 and all following filings through this Form. 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. The purpose of this amendment is to correct the arithmetical error in the total amount including 474 shares of common stock purchased under the Employee's Stock Purchase Plan on Form 4 filed on 11/1/2015 and all following filings through this Form. /s/ Gregory Walker 2017-05-03