0001266824-18-000135.txt : 20180801 0001266824-18-000135.hdr.sgml : 20180801 20180801184739 ACCESSION NUMBER: 0001266824-18-000135 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20180730 FILED AS OF DATE: 20180801 DATE AS OF CHANGE: 20180801 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: LONG MARK P CENTRAL INDEX KEY: 0001593123 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-08703 FILM NUMBER: 18986109 MAIL ADDRESS: STREET 1: C/O WESTERN DIGITAL CORPORATION STREET 2: 5601 GREAT OAKS PARKWAY CITY: SAN JOSE STATE: CA ZIP: 95119 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: WESTERN DIGITAL CORP CENTRAL INDEX KEY: 0000106040 STANDARD INDUSTRIAL CLASSIFICATION: COMPUTER STORAGE DEVICES [3572] IRS NUMBER: 330956711 STATE OF INCORPORATION: DE FISCAL YEAR END: 0628 BUSINESS ADDRESS: STREET 1: 5601 GREAT OAKS PARKWAY CITY: SAN JOSE STATE: CA ZIP: 95119 BUSINESS PHONE: 9496727000 MAIL ADDRESS: STREET 1: 3355 MICHELSON DRIVE SUITE 100 CITY: IRVINE STATE: CA ZIP: 92612 FORMER COMPANY: FORMER CONFORMED NAME: GENERAL DIGITAL CORP DATE OF NAME CHANGE: 19730125 4 1 edgardoc.xml PRIMARY DOCUMENT X0306 4 2018-07-30 0 0000106040 WESTERN DIGITAL CORP WDC 0001593123 LONG MARK P C/O WESTERN DIGITAL CORPORATION 5601 GREAT OAKS PARKWAY SAN JOSE CA 95119 0 1 0 0 Pres WD Capital, CSO & CFO Common Stock 2018-07-30 4 M 0 2234 44.78 A 215963 D Common Stock 2018-07-30 4 S 0 24938 70.83 D 191025 D Employee Stock Option (right to buy) 44.78 2018-07-30 4 M 0 2234 0.0 D 2017-08-03 2023-08-03 Common Stock 2234 42432 D These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 30, 2018. The option vested 25% one year from the grant date of 8/3/2016, and an additional 6.25% vested at the end of each three-month period through 5/3/2018. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 8/3/2020. By: /s/ Sandra Garcia Attorney-in-Fact For: Mark Long 2018-08-01