Filing Details

Accession Number:
0001266824-11-000012
Form Type:
4
Zero Holdings:
No
Publication Time:
2011-02-11 18:36:26
Reporting Period:
2011-02-10
Filing Date:
2011-02-11
Filing Date Changed:
2011-02-11
Accepted Time:
2011-02-11 18:36:26
Original Submission Date:
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
Common Stock Acquisiton 2011-02-10 6,399 $23.78 53,275
Common Stock Acquisiton 2011-02-10 3,126 $28.09 56,401
Common Stock Acquisiton 2011-02-10 196 $16.85 56,597
Common Stock Disposition 2011-02-10 9,721 $34.35 46,876
Equity Swap Involved Form Type Code Nature of Ownership Explanation
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 2011-02-10 196 $0.00 196 $16.85
Common Stock Employee Stock Option (right to buy) Disposition 2011-02-10 6,399 $0.00 6,399 $23.78
Common Stock Employee Stock Option (right to buy) Disposition 2011-02-10 3,126 $0.00 3,126 $28.09
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
41,146 2010-02-04 2016-02-04 No 4 M Direct
14,931 2009-09-11 2015-09-11 No 4 M Direct
8,249 2009-02-06 2015-02-06 No 4 M Direct
Footnotes
  1. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $34.8301 to a high of $34.93. 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.
  2. 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 2/4/2011. 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.
  3. 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 12/11/2010. 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.
  4. The option vested 25% one year from the grant date of 2/6/2008, and an additional 6.25% vested at the end of each three-month period through 2/6/2011. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 2/6/2012.
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