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Filing Details

Accession Number:: 0001266824-18-000042
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2018-02-21 20:11:41
Reporting Period:: 2018-02-16

Accepted Time:: 2018-02-21 20:11:41
SEC Url:: Form 4 Filing

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
1587067	Srinivasan Sivaram	C/O Western Digital Corporation 5601 Great Oaks Parkway San Jose CA 95119	Evp, Memory Technology	No	Yes	No	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2018-02-16	506	$0.00	103,251	No	4	M	Direct
Common Stock	Disposition	2018-02-16	3,703	$84.91	99,548	No	4	F	Direct
Common Stock	Acquisiton	2018-02-17	253	$0.00	99,801	No	4	M	Direct
Common Stock	Disposition	2018-02-17	2,447	$84.91	97,354	No	4	F	Direct
Common Stock	Acquisiton	2018-02-18	101	$0.00	97,455	No	4	M	Direct
Common Stock	Disposition	2018-02-18	1,042	$84.91	96,413	No	4	F	Direct
Common Stock	Disposition	2018-02-21	8,765	$86.63	87,648	No	4	S	Direct
Common Stock	Disposition	2018-02-21	2,100	$87.04	85,548	No	4	S	Direct

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

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Dividend Equivalent Rights	Disposition	2018-02-16	506	$0.00	506	$0.00
Common Stock	Dividend Equivalent Rights	Disposition	2018-02-17	253	$0.00	253	$0.00
Common Stock	Dividend Equivalent Rights	Disposition	2018-02-18	101	$0.00	101	$0.00

Remaning Holdings	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
3,322	No	4	M	Direct
3,069	No	4	M	Direct
2,968	No	4	M	Direct

Footnotes

The dividend equivalents were converted into, and paid in the form of, shares of the Issuer's common stock on a one-for-one basis in connection with the vesting of restricted stock units to which the dividend equivalents relate. A cash amount equal to $18.03 was also paid to the holder to settle a fractional dividend equivalent of 0.2123.
Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).
The dividend equivalents were converted into, and paid in the form of, shares of the Issuer's common stock on a one-for-one basis in connection with the vesting of restricted stock units to which the dividend equivalents relate. A cash amount equal to $9.02 was also paid to the holder to settle a fractional dividend equivalent of 0.1062.
The dividend equivalents were converted into, and paid in the form of, shares of the Issuer's common stock on a one-for-one basis in connection with the vesting of restricted stock units to which the dividend equivalents relate. A cash amount equal to $19.74 was also paid to the holder to settle a fractional dividend equivalent of 0.2325.
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 2, 2017.
Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $85.99 to a high of $86.98. 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.
Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $86.99 to a high of $87.12. 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.