0001363249-15-000022.txt : 20151021 0001363249-15-000022.hdr.sgml : 20151021 20151021174823 ACCESSION NUMBER: 0001363249-15-000022 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20151019 FILED AS OF DATE: 20151021 DATE AS OF CHANGE: 20151021 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: 3355 MICHELSON DRIVE STREET 2: SUITE 100 CITY: IRVINE STATE: CA ZIP: 92612 BUSINESS PHONE: 9496727000 MAIL ADDRESS: STREET 1: 3355 MICHELSON DRIVE STREET 2: SUITE 100 CITY: IRVINE STATE: CA ZIP: 92612 FORMER COMPANY: FORMER CONFORMED NAME: GENERAL DIGITAL CORP DATE OF NAME CHANGE: 19730125 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: 151168793 MAIL ADDRESS: STREET 1: C/O WESTERN DIGITAL CORPORATION STREET 2: 3355 MICHELSON DRIVE, SUITE 100 CITY: IRVINE STATE: CA ZIP: 92612 4 1 edgardoc.xml PRIMARY DOCUMENT X0306 4 2015-10-19 0 0000106040 WESTERN DIGITAL CORP WDC 0001593123 LONG MARK P C/O WESTERN DIGITAL CORPORATION 3355 MICHELSON DRIVE, SUITE 100 IRVINE CA 92612 0 1 0 0 EVP, Chief Strategy Officer Common Stock 2015-10-19 4 M 0 878.0 48.63 A 26185 D Common Stock 2015-10-19 4 S 0 878.0 82.23 D 25307 D Employee Stock Option (right to buy) 48.63 2015-10-19 4 M 0 878.0 0.0 D 2014-02-13 2020-02-13 Common Stock 878 15774 D These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 18, 2014. The option vested 25% one year from the grant date of 2/13/2013, and an additional 6.25% vested at the end of each three-month period through 8/13/2015. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 2/13/2017. By: /s/ Van Huynh Attorney-in-Fact For: Mark Long 2015-10-21