<SEC-DOCUMENT>0001628280-21-016237-index.html : 20210809 <SEC-HEADER>0001628280-21-016237.hdr.sgml : 20210809 <ACCEPTANCE-DATETIME>20210809160619 ACCESSION NUMBER: 0001628280-21-016237 CONFORMED SUBMISSION TYPE: 4/A PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210803 FILED AS OF DATE: 20210809 DATE AS OF CHANGE: 20210809 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Khan Ahmad A. CENTRAL INDEX KEY: 0001642452 FILING VALUES: FORM TYPE: 4/A SEC ACT: 1934 Act SEC FILE NUMBER: 000-09992 FILM NUMBER: 211156468 MAIL ADDRESS: STREET 1: ONE TECHNOLOGY DRIVE CITY: MILPITAS STATE: CA ZIP: 95035 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: KLA CORP CENTRAL INDEX KEY: 0000319201 STANDARD INDUSTRIAL CLASSIFICATION: OPTICAL INSTRUMENTS & LENSES [3827] IRS NUMBER: 042564110 STATE OF INCORPORATION: DE FISCAL YEAR END: 0630 BUSINESS ADDRESS: STREET 1: ONE TECHNOLOGY DRIVE CITY: MILPITAS STATE: CA ZIP: 95035 BUSINESS PHONE: 4088753000 MAIL ADDRESS: STREET 1: ONE TECHNOLOGY DRIVE CITY: MILPITAS STATE: CA ZIP: 95035 FORMER COMPANY: FORMER CONFORMED NAME: KLA TENCOR CORP DATE OF NAME CHANGE: 19970505 FORMER COMPANY: FORMER CONFORMED NAME: KLA INSTRUMENTS CORP DATE OF NAME CHANGE: 19920703 </SEC-HEADER> <DOCUMENT> <TYPE>4/A <SEQUENCE>1 <FILENAME>wf-form4a_162853955414077.xml <DESCRIPTION>FORM 4/A <TEXT> Document 1 - file: wf-form4a_162853955414077.html
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