Home > Insider Trading > Filing (0001266824-12-000051)

Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
106040	Western Digital Corp	WDC	Computer Storage Devices (3572)	330956711

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1234677	J James Murphy	C/O Western Digital Corporation 3355 Michelson Drive, Suite 100 Irvine CA 92612	Evp, Wws & Sales Ops	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2012-08-02	2,133	$23.78	77,360	No	4	M	Direct
Common Stock	Acquisiton	2012-08-02	18,329	$16.85	95,689	No	4	M	Direct
Common Stock	Acquisiton	2012-08-02	22,400	$26.17	118,089	No	4	M	Direct
Common Stock	Acquisiton	2012-08-02	11,834	$35.75	129,923	No	4	M	Direct
Common Stock	Disposition	2012-08-02	54,696	$40.00	75,227	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	M	Direct
No	4	M	Direct
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Employee Stock Option (right to buy)	Disposition	2012-08-02	18,329	$0.00	18,329	$16.85
Common Stock	Employee Stock Option (right to buy)	Disposition	2012-08-02	2,133	$0.00	2,133	$23.78
Common Stock	Employee Stock Option (right to buy)	Disposition	2012-08-02	22,400	$0.00	22,400	$26.17
Common Stock	Employee Stock Option (right to buy)	Disposition	2012-08-02	11,834	$0.00	11,834	$35.75

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
15,430	2010-02-04	2016-02-04	No	4	M	Direct
2,133	2009-09-11	2015-09-11	No	4	M	Direct
28,800	2011-09-08	2017-09-08	No	4	M	Direct
5,379	2010-09-10	2016-09-10	No	4	M	Direct

Footnotes

The option vested 25% one year from the grant date of 2/4/2009, and an additional 6.25% vested at the end of each three-month period through 5/4/2012. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 2/4/2013.
The option vested 25% one year from the grant date of 9/11/2008, and an additional 6.25% vested at the end of each three-month period through 6/11/2012. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 9/11/2012.
The option vested 25% one year from the grant date of 9/8/2010, and an additional 6.25% vested at the end of each three-month period through 6/8/2012. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 9/8/2014.
The option vested 25% one year from the grant date of 9/10/2009, and an additional 6.25% vested at the end of each three-month period through 6/10/2012. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 9/10/2013.