X0306
4
2018-03-09
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
2018-03-09
4
S
0
2291
99.31
D
68114
D
Common Stock
2018-03-12
4
M
0
50973
68.49
A
119087
D
Common Stock
2018-03-12
4
S
0
50973
100.1605
D
68114
D
Common Stock
69311
I
By Family Trust
Employee Stock Option (right to buy)
68.49
2018-03-12
4
M
0
50973
0.0
D
2014-08-14
2020-08-14
Common Stock
50973
5664
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.
Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $100 to a high of $100.34. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.
The option vested 25% on the first anniversary of the grant date and 6.25% at the end of each three-month period thereafter.
By: /s/ Sandra Garcia Attorney-in-Fact For: Stephen D. Milligan
2018-03-13