0001266824-18-000097.txt : 20180516 0001266824-18-000097.hdr.sgml : 20180516 20180516192327 ACCESSION NUMBER: 0001266824-18-000097 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20180514 FILED AS OF DATE: 20180516 DATE AS OF CHANGE: 20180516 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: MILLIGAN STEPHEN D CENTRAL INDEX KEY: 0001277246 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-08703 FILM NUMBER: 18841429 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 2018-05-14 0 0000106040 WESTERN DIGITAL CORP WDC 0001277246 MILLIGAN STEPHEN D C/O WESTERN DIGITAL CORPORATION 5601 GREAT OAKS PARKWAY SAN JOSE CA 95119 1 1 0 0 Chief Executive Officer Common Stock 2018-05-14 4 M 0 16510 44.78 A 84624 D Common Stock 2018-05-14 4 S 0 16510 80.94 D 68114 D Common Stock 69311 I By Family Trust Employee Stock Option (right to buy) 44.78 2018-05-14 4 M 0 16510 0.0 D 2017-08-03 2023-08-03 Common Stock 16510 148595 D These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on October 30, 2017. 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: Stephen D. Milligan 2018-05-16