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Nasdaq · USD

WDC

WESTERN DIGITAL CORP

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1010
SEC CIK
0000106040
Parsed reports
1,958

Last 12 months

Inside the activity.

0 purchase rows · 224 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 2025019
Dec 2025013
Jan 202601
Feb 2026044
Mar 2026019
Apr 202601
May 2026032
Jun 2026046
Jul 2026033
Aug 2026013
Sep 202603
Oct 202600

Latest available

Insider transactions

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
April 16, 2015 Filed Apr 20, 2015 22:32 UTC
MURPHY JAMES JPresident, WD Subsidiary
GrantDividend Equivalent Rights · Derivative 273.3191 $0.00 $0.00
Disclosure

SEC source: 0001266824-15-000087 · edgardoc.xml · derivative · entry 1

MURPHY JAMES J · CIK 0001234677 · President, WD Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,401.9353

Underlying: Common Stock · 273.3191 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof.

Read SEC document
April 16, 2015 Filed Apr 20, 2015 22:28 UTC GrantDividend Equivalent Rights · Derivative 11.3947 $0.00 $0.00
Disclosure

SEC source: 0001266824-15-000085 · edgardoc.xml · derivative · entry 1

MASSENGILL MATTHEW E · CIK 0001232826 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19.8799

Underlying: Common Stock · 11.3947 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof.

Read SEC document
April 16, 2015 Filed Apr 20, 2015 22:28 UTC
MILLIGAN STEPHEN DDirector · President & CEO
GrantDividend Equivalent Rights · Derivative 1,053.3473 $0.00 $0.00
Disclosure

SEC source: 0001266824-15-000086 · edgardoc.xml · derivative · entry 1

MILLIGAN STEPHEN D · CIK 0001277246 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,661.3149

Underlying: Common Stock · 1,053.3473 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof.

Read SEC document
April 16, 2015 Filed Apr 20, 2015 22:32 UTC GrantDividend Equivalent Rights · Derivative 106.6717 $0.00 $0.00
Disclosure

SEC source: 0001266824-15-000088 · edgardoc.xml · derivative · entry 1

PARDUN THOMAS E · CIK 0001232833 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 904.0358

Underlying: Common Stock · 106.6717 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof.

Read SEC document
April 16, 2015 Filed Apr 20, 2015 22:33 UTC GrantDividend Equivalent Rights · Derivative 11.3947 $0.00 $0.00
Disclosure

SEC source: 0001266824-15-000089 · edgardoc.xml · derivative · entry 1

Price Paula A · CIK 0001369240 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19.8799

Underlying: Common Stock · 11.3947 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof.

Read SEC document
April 16, 2015 Filed Apr 20, 2015 22:33 UTC
RAY MICHAEL CHARLESSr. VP, Gen Cnsl & Secretary
GrantDividend Equivalent Rights · Derivative 107.7558 $0.00 $0.00
Disclosure

SEC source: 0001266824-15-000090 · edgardoc.xml · derivative · entry 1

RAY MICHAEL CHARLES · CIK 0001593199 · Sr. VP, Gen Cnsl & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 624.2832

Underlying: Common Stock · 107.7558 shares

Expires not disclosed

F1 · derivative.exercise_price: The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof.

F1 · derivative.exercise_date: The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof.

F1 · derivative.expiration_date: The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof.

Read SEC document
April 15, 2015 Filed Apr 16, 2015 22:07 UTC
LONG MARK PEVP, Strategy & Corporate Dev.
Exercise / conversionEmployee Stock Option (right to buy) · Derivative 1,012 $0.00 Strike: $68.49 $0.00
Disclosure

SEC source: 0001266824-15-000062 · edgardoc.xml · derivative · entry 5

LONG MARK P · CIK 0001593123 · EVP, Strategy & Corporate Dev.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,342

Underlying: Common Stock · 1,012 shares

Expires 2020-08-14

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 18, 2014.

F3 · derivative.exercise_date: The option vested 25% one year from the grant date of 8/14/2013, and an additional 6.25% vested at the end of each three-month period through 2/14/2015. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 8/14/2017.

Read SEC document
April 15, 2015 Filed Apr 16, 2015 22:07 UTC
LONG MARK PEVP, Strategy & Corporate Dev.
Exercise / conversionEmployee Stock Option (right to buy) · Derivative 878 $0.00 Strike: $48.63 $0.00
Disclosure

SEC source: 0001266824-15-000062 · edgardoc.xml · derivative · entry 4

LONG MARK P · CIK 0001593123 · EVP, Strategy & Corporate Dev.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,032

Underlying: Common Stock · 878 shares

Expires 2020-02-13

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 18, 2014.

F2 · derivative.exercise_date: The option vested 25% one year from the grant date of 2/13/2013, and an additional 6.25% vested at the end of each three-month period through 2/13/2015. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 2/13/2017.

Read SEC document
April 15, 2015 Filed Apr 16, 2015 22:07 UTC
LONG MARK PEVP, Strategy & Corporate Dev.
SaleCommon Stock 1,890 $97.30 $183,897.00
Disclosure

SEC source: 0001266824-15-000062 · edgardoc.xml · nonDerivative · entry 3

LONG MARK P · CIK 0001593123 · EVP, Strategy & Corporate Dev.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,303

F1 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 18, 2014.

Read SEC document
April 15, 2015 Filed Apr 16, 2015 22:07 UTC
LONG MARK PEVP, Strategy & Corporate Dev.
Exercise / conversionCommon Stock 1,012 $68.49 $69,311.88
Disclosure

SEC source: 0001266824-15-000062 · edgardoc.xml · nonDerivative · entry 2

LONG MARK P · CIK 0001593123 · EVP, Strategy & Corporate Dev.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,193

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 18, 2014.

Read SEC document
April 15, 2015 Filed Apr 16, 2015 22:07 UTC
LONG MARK PEVP, Strategy & Corporate Dev.
Exercise / conversionCommon Stock 878 $48.63 $42,697.14
Disclosure

SEC source: 0001266824-15-000062 · edgardoc.xml · nonDerivative · entry 1

LONG MARK P · CIK 0001593123 · EVP, Strategy & Corporate Dev.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,181

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 18, 2014.

Read SEC document
April 13, 2015 Filed Apr 15, 2015 22:30 UTC
CORDANO MICHAEL DPresident, HGST Subsidiary
Exercise / conversionEmployee Stock Option (right to buy) · Derivative 1,964 $0.00 Strike: $38.63 $0.00
Disclosure

SEC source: 0001266824-15-000060 · edgardoc.xml · derivative · entry 3

CORDANO MICHAEL D · CIK 0001201490 · President, HGST Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,975

Underlying: Common Stock · 1,964 shares

Expires 2019-05-16

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 21, 2014.

F4 · derivative.exercise_date: The option vested 25% one year from the grant date of 5/16/2012, and an additional 6.25% vested at the end of each three-month period through 2/16/2015. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 5/16/2016.

Read SEC document
April 13, 2015 Filed Apr 15, 2015 22:30 UTC
CORDANO MICHAEL DPresident, HGST Subsidiary
SaleCommon Stock 8,152 $96.76 $788,819.31
Disclosure

SEC source: 0001266824-15-000060 · edgardoc.xml · nonDerivative · entry 2

CORDANO MICHAEL D · CIK 0001201490 · President, HGST Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,770

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 21, 2014.

F3 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $96.6822 to a high of $96.7898. 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.

Read SEC document
April 13, 2015 Filed Apr 15, 2015 22:30 UTC
CORDANO MICHAEL DPresident, HGST Subsidiary
Exercise / conversionCommon Stock 1,964 $38.63 $75,869.32
Disclosure

SEC source: 0001266824-15-000060 · edgardoc.xml · nonDerivative · entry 1

CORDANO MICHAEL D · CIK 0001201490 · President, HGST Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 87,922

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 21, 2014.

Read SEC document
March 20, 2015 Filed Mar 23, 2015 23:34 UTC
MILLIGAN STEPHEN DDirector · President & CEO
SaleCommon Stock 10,782 $100.44 $1,082,910.66
Disclosure

SEC source: 0001363249-15-000002 · edgardoc.xml · nonDerivative · entry 7

MILLIGAN STEPHEN D · CIK 0001277246 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 111,662

F5 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 10, 2014.

F7 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $100.15 to a high of $101.02. 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.

Read SEC document
March 20, 2015 Filed Mar 23, 2015 23:34 UTC
MILLIGAN STEPHEN DDirector · President & CEO
SaleCommon Stock 7,504 $99.79 $748,818.16
Disclosure

SEC source: 0001363249-15-000002 · edgardoc.xml · nonDerivative · entry 6

MILLIGAN STEPHEN D · CIK 0001277246 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 122,444

F5 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 10, 2014.

F6 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $99.15 to a high of $100.14. 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.

Read SEC document
March 19, 2015 Filed Mar 23, 2015 23:34 UTC
MILLIGAN STEPHEN DDirector · President & CEO
Exercise / conversionEmployee Stock Option (right to buy) · Derivative 6,164 $0.00 Strike: $43.11 $0.00
Disclosure

SEC source: 0001363249-15-000002 · edgardoc.xml · derivative · entry 10

MILLIGAN STEPHEN D · CIK 0001277246 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,981

Underlying: Common Stock · 6,164 shares

Expires 2019-09-16

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 10, 2014.

F10 · derivative.exercise_date: The option vested 25% one year from the grant date of 9/6/2012, and an additional 6.25% vested at the end of each three-month period through 3/6/2015. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 9/6/2016.

Read SEC document
March 19, 2015 Filed Mar 23, 2015 23:34 UTC
MILLIGAN STEPHEN DDirector · President & CEO
Exercise / conversionEmployee Stock Option (right to buy) · Derivative 7,712 $0.00 Strike: $38.19 $0.00
Disclosure

SEC source: 0001363249-15-000002 · edgardoc.xml · derivative · entry 9

MILLIGAN STEPHEN D · CIK 0001277246 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,850

Underlying: Common Stock · 7,712 shares

Expires 2019-03-19

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 10, 2014.

F9 · derivative.exercise_date: The option vested 25% one year from the grant date of 3/19/2012, and an additional 6.25% vested at the end of each three-month period through 3/19/2015. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 3/19/2016.

Read SEC document
March 19, 2015 Filed Mar 23, 2015 23:34 UTC
MILLIGAN STEPHEN DDirector · President & CEO
Exercise / conversionDividend Equivalent Rights · Derivative 789.9383 $0.00 $0.00
Disclosure

SEC source: 0001363249-15-000002 · edgardoc.xml · derivative · entry 8

MILLIGAN STEPHEN D · CIK 0001277246 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,607.9676

Underlying: Common Stock · 789.9383 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · derivative.exercise_price: The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof.

F8 · derivative.exercise_date: The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof.

F8 · derivative.expiration_date: The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof.

Read SEC document
March 19, 2015 Filed Mar 23, 2015 23:34 UTC
MILLIGAN STEPHEN DDirector · President & CEO
Tax withholdingCommon Stock 9,049 $99.30 $898,565.70
Disclosure

SEC source: 0001363249-15-000002 · edgardoc.xml · nonDerivative · entry 5

MILLIGAN STEPHEN D · CIK 0001277246 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,948

F4 · shares: Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).

Read SEC document
March 19, 2015 Filed Mar 23, 2015 23:34 UTC
MILLIGAN STEPHEN DDirector · President & CEO
Exercise / conversionCommon Stock 789 $0.00 $0.00
Disclosure

SEC source: 0001363249-15-000002 · edgardoc.xml · nonDerivative · entry 4

MILLIGAN STEPHEN D · CIK 0001277246 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 138,997

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · shares: 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 $93.17 was also paid to the holder to settle a fractional dividend equivalent of 0.9383.

Read SEC document
March 19, 2015 Filed Mar 23, 2015 23:34 UTC
MILLIGAN STEPHEN DDirector · President & CEO
SaleCommon Stock 13,876 $98.67 $1,369,154.63
Disclosure

SEC source: 0001363249-15-000002 · edgardoc.xml · nonDerivative · entry 3

MILLIGAN STEPHEN D · CIK 0001277246 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 138,208

F1 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 10, 2014.

F2 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $98.16 to a high of $99.10. 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.

Read SEC document
March 19, 2015 Filed Mar 23, 2015 23:34 UTC
MILLIGAN STEPHEN DDirector · President & CEO
Exercise / conversionCommon Stock 7,712 $38.19 $294,521.28
Disclosure

SEC source: 0001363249-15-000002 · edgardoc.xml · nonDerivative · entry 2

MILLIGAN STEPHEN D · CIK 0001277246 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 152,084

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 10, 2014.

Read SEC document
March 19, 2015 Filed Mar 23, 2015 23:34 UTC
MILLIGAN STEPHEN DDirector · President & CEO
Exercise / conversionCommon Stock 6,164 $43.11 $265,730.04
Disclosure

SEC source: 0001363249-15-000002 · edgardoc.xml · nonDerivative · entry 1

MILLIGAN STEPHEN D · CIK 0001277246 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 144,372

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 10, 2014.

Read SEC document
March 17, 2015 Filed Mar 19, 2015 00:44 UTC
LONG MARK PEVP, Strategy & Corporate Dev.
Exercise / conversionEmployee Stock Option (right to buy) · Derivative 1,011 $0.00 Strike: $68.49 $0.00
Disclosure

SEC source: 0001266824-15-000058 · edgardoc.xml · derivative · entry 5

LONG MARK P · CIK 0001593123 · EVP, Strategy & Corporate Dev.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,354

Underlying: Common Stock · 1,011 shares

Expires 2020-08-14

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 18, 2014.

F3 · derivative.exercise_date: The option vested 25% one year from the grant date of 8/14/2013, and an additional 6.25% vested at the end of each three-month period through 2/14/2015. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 8/14/2017.

Read SEC document
March 17, 2015 Filed Mar 19, 2015 00:44 UTC
LONG MARK PEVP, Strategy & Corporate Dev.
Exercise / conversionEmployee Stock Option (right to buy) · Derivative 876 $0.00 Strike: $48.63 $0.00
Disclosure

SEC source: 0001266824-15-000058 · edgardoc.xml · derivative · entry 4

LONG MARK P · CIK 0001593123 · EVP, Strategy & Corporate Dev.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,910

Underlying: Common Stock · 876 shares

Expires 2020-02-13

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 18, 2014.

F2 · derivative.exercise_date: The option vested 25% one year from the grant date of 2/13/2013, and an additional 6.25% vested at the end of each three-month period through 2/13/2015. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 2/13/2017.

Read SEC document
March 17, 2015 Filed Mar 19, 2015 00:44 UTC
LONG MARK PEVP, Strategy & Corporate Dev.
SaleCommon Stock 1,887 $97.53 $184,039.11
Disclosure

SEC source: 0001266824-15-000058 · edgardoc.xml · nonDerivative · entry 3

LONG MARK P · CIK 0001593123 · EVP, Strategy & Corporate Dev.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,303

F1 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 18, 2014.

Read SEC document
March 17, 2015 Filed Mar 19, 2015 00:44 UTC
LONG MARK PEVP, Strategy & Corporate Dev.
Exercise / conversionCommon Stock 1,011 $68.49 $69,243.39
Disclosure

SEC source: 0001266824-15-000058 · edgardoc.xml · nonDerivative · entry 2

LONG MARK P · CIK 0001593123 · EVP, Strategy & Corporate Dev.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,190

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 18, 2014.

Read SEC document
March 17, 2015 Filed Mar 19, 2015 00:44 UTC
LONG MARK PEVP, Strategy & Corporate Dev.
Exercise / conversionCommon Stock 876 $48.63 $42,599.88
Disclosure

SEC source: 0001266824-15-000058 · edgardoc.xml · nonDerivative · entry 1

LONG MARK P · CIK 0001593123 · EVP, Strategy & Corporate Dev.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,179

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 18, 2014.

Read SEC document
March 17, 2015 Filed Mar 19, 2015 00:43 UTC
RAY MICHAEL CHARLESSr. VP, Gen Cnsl & Secretary
Exercise / conversionEmployee Stock Option (right to buy) · Derivative 1,863 $0.00 Strike: $43.11 $0.00
Disclosure

SEC source: 0001266824-15-000057 · edgardoc.xml · derivative · entry 6

RAY MICHAEL CHARLES · CIK 0001593199 · Sr. VP, Gen Cnsl & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,177

Underlying: Common Stock · 1,863 shares

Expires 2019-09-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 2, 2014.

F3 · derivative.exercise_date: The option vested 25% one year from the grant date of 9/6/2012, and an additional 6.25% vested at the end of each three-month period through 3/6/2015. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 9/6/2016.

Read SEC document
March 17, 2015 Filed Mar 19, 2015 00:43 UTC
RAY MICHAEL CHARLESSr. VP, Gen Cnsl & Secretary
Exercise / conversionEmployee Stock Option (right to buy) · Derivative 1,825 $0.00 Strike: $29.60 $0.00
Disclosure

SEC source: 0001266824-15-000057 · edgardoc.xml · derivative · entry 5

RAY MICHAEL CHARLES · CIK 0001593199 · Sr. VP, Gen Cnsl & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,651

Underlying: Common Stock · 1,825 shares

Expires 2018-09-14

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 2, 2014.

F2 · derivative.exercise_date: The option vested 25% one year from the grant date of 9/14/2011, and an additional 6.25% vested at the end of each three-month period through 3/14/2015. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 9/14/2015.

Read SEC document
March 17, 2015 Filed Mar 19, 2015 00:43 UTC
RAY MICHAEL CHARLESSr. VP, Gen Cnsl & Secretary
SaleCommon Stock 3,688 $97.53 $359,690.64
Disclosure

SEC source: 0001266824-15-000057 · edgardoc.xml · nonDerivative · entry 3

RAY MICHAEL CHARLES · CIK 0001593199 · Sr. VP, Gen Cnsl & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,567

F1 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 2, 2014.

Read SEC document
March 17, 2015 Filed Mar 19, 2015 00:43 UTC
RAY MICHAEL CHARLESSr. VP, Gen Cnsl & Secretary
Exercise / conversionCommon Stock 1,863 $43.11 $80,313.93
Disclosure

SEC source: 0001266824-15-000057 · edgardoc.xml · nonDerivative · entry 2

RAY MICHAEL CHARLES · CIK 0001593199 · Sr. VP, Gen Cnsl & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,255

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 2, 2014.

Read SEC document
March 17, 2015 Filed Mar 19, 2015 00:43 UTC
RAY MICHAEL CHARLESSr. VP, Gen Cnsl & Secretary
Exercise / conversionCommon Stock 1,825 $29.60 $54,020.00
Disclosure

SEC source: 0001266824-15-000057 · edgardoc.xml · nonDerivative · entry 1

RAY MICHAEL CHARLES · CIK 0001593199 · Sr. VP, Gen Cnsl & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,392

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 2, 2014.

Read SEC document
March 06, 2015 Filed Mar 9, 2015 23:04 UTC
CORDANO MICHAEL DPresident, HGST Subsidiary
Exercise / conversionEmployee Stock Option (right to buy) · Derivative 5,896 $0.00 Strike: $43.11 $0.00
Disclosure

SEC source: 0001266824-15-000052 · edgardoc.xml · derivative · entry 3

CORDANO MICHAEL D · CIK 0001201490 · President, HGST Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,375

Underlying: Common Stock · 5,896 shares

Expires 2019-09-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 21, 2014.

F2 · derivative.exercise_date: The option vested 25% one year from the grant date of 9/6/2012, and an additional 6.25% vested at the end of each three-month period through 3/6/2015. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 9/6/2016.

Read SEC document
March 06, 2015 Filed Mar 9, 2015 23:04 UTC
CORDANO MICHAEL DPresident, HGST Subsidiary
SaleCommon Stock 5,896 $104.77 $617,701.52
Disclosure

SEC source: 0001266824-15-000052 · edgardoc.xml · nonDerivative · entry 2

CORDANO MICHAEL D · CIK 0001201490 · President, HGST Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,958

F1 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 21, 2014.

Read SEC document
March 06, 2015 Filed Mar 9, 2015 23:04 UTC
CORDANO MICHAEL DPresident, HGST Subsidiary
Exercise / conversionCommon Stock 5,896 $43.11 $254,176.56
Disclosure

SEC source: 0001266824-15-000052 · edgardoc.xml · nonDerivative · entry 1

CORDANO MICHAEL D · CIK 0001201490 · President, HGST Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,854

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 21, 2014.

Read SEC document
March 04, 2015 Filed Mar 5, 2015 22:55 UTC
MURPHY JAMES JPresident, WD Subsidiary
Exercise / conversionEmployee Stock Option (right to buy) · Derivative 1,400 $0.00 Strike: $72.44 $0.00
Disclosure

SEC source: 0001266824-15-000050 · edgardoc.xml · derivative · entry 11

MURPHY JAMES J · CIK 0001234677 · President, WD Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,077

Underlying: Common Stock · 1,400 shares

Expires 2020-11-13

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_date: The option vested 25% on 8/14/2014 and an additional 6.25% vested at the end of each three-month period through 2/14/2015. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 8/14/2017.

Read SEC document
March 04, 2015 Filed Mar 5, 2015 22:55 UTC
MURPHY JAMES JPresident, WD Subsidiary
Exercise / conversionEmployee Stock Option (right to buy) · Derivative 2,161 $0.00 Strike: $68.49 $0.00
Disclosure

SEC source: 0001266824-15-000050 · edgardoc.xml · derivative · entry 10

MURPHY JAMES J · CIK 0001234677 · President, WD Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,610

Underlying: Common Stock · 2,161 shares

Expires 2020-08-14

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: The option vested 25% one year from the grant date of 8/14/2013, and an additional 6.25% vested at the end of each three-month period through 2/14/2015. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 8/14/2017.

Read SEC document
March 04, 2015 Filed Mar 5, 2015 22:55 UTC
MURPHY JAMES JPresident, WD Subsidiary
Exercise / conversionEmployee Stock Option (right to buy) · Derivative 3,480 $0.00 Strike: $43.11 $0.00
Disclosure

SEC source: 0001266824-15-000050 · edgardoc.xml · derivative · entry 9

MURPHY JAMES J · CIK 0001234677 · President, WD Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,362

Underlying: Common Stock · 3,480 shares

Expires 2019-09-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The option vested 25% one year from the grant date of 9/6/2012, and an additional 6.25% vested at the end of each three-month period through 12/6/2014. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 9/6/2016.

Read SEC document
March 04, 2015 Filed Mar 5, 2015 22:55 UTC
MURPHY JAMES JPresident, WD Subsidiary
Exercise / conversionEmployee Stock Option (right to buy) · Derivative 2,765 $0.00 Strike: $38.63 $0.00
Disclosure

SEC source: 0001266824-15-000050 · edgardoc.xml · derivative · entry 8

MURPHY JAMES J · CIK 0001234677 · President, WD Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,829

Underlying: Common Stock · 2,765 shares

Expires 2019-05-16

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: The option vested 25% one year from the grant date of 5/16/2012, and an additional 6.25% vested at the end of each three-month period through 2/16/2015. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 5/16/2016.

Read SEC document
March 04, 2015 Filed Mar 5, 2015 22:55 UTC
MURPHY JAMES JPresident, WD Subsidiary
Exercise / conversionEmployee Stock Option (right to buy) · Derivative 3,018 $0.00 Strike: $29.60 $0.00
Disclosure

SEC source: 0001266824-15-000050 · edgardoc.xml · derivative · entry 7

MURPHY JAMES J · CIK 0001234677 · President, WD Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,050

Underlying: Common Stock · 3,018 shares

Expires 2018-09-14

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: The option vested 25% one year from the grant date of 9/14/2011, and an additional 6.25% vested at the end of each three-month period through 12/14/2014. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 9/14/2015.

Read SEC document
March 04, 2015 Filed Mar 5, 2015 22:55 UTC
MURPHY JAMES JPresident, WD Subsidiary
SaleCommon Stock 12,824 $105.00 $1,346,520.00
Disclosure

SEC source: 0001266824-15-000050 · edgardoc.xml · nonDerivative · entry 6

MURPHY JAMES J · CIK 0001234677 · President, WD Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,349

Read SEC document
March 04, 2015 Filed Mar 5, 2015 22:55 UTC
MURPHY JAMES JPresident, WD Subsidiary
Exercise / conversionCommon Stock 1,400 $72.44 $101,416.00
Disclosure

SEC source: 0001266824-15-000050 · edgardoc.xml · nonDerivative · entry 5

MURPHY JAMES J · CIK 0001234677 · President, WD Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,173

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
March 04, 2015 Filed Mar 5, 2015 22:55 UTC
MURPHY JAMES JPresident, WD Subsidiary
Exercise / conversionCommon Stock 2,161 $68.49 $148,006.89
Disclosure

SEC source: 0001266824-15-000050 · edgardoc.xml · nonDerivative · entry 4

MURPHY JAMES J · CIK 0001234677 · President, WD Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,773

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
March 04, 2015 Filed Mar 5, 2015 22:55 UTC
MURPHY JAMES JPresident, WD Subsidiary
Exercise / conversionCommon Stock 3,480 $43.11 $150,022.80
Disclosure

SEC source: 0001266824-15-000050 · edgardoc.xml · nonDerivative · entry 3

MURPHY JAMES J · CIK 0001234677 · President, WD Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,612

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
March 04, 2015 Filed Mar 5, 2015 22:55 UTC
MURPHY JAMES JPresident, WD Subsidiary
Exercise / conversionCommon Stock 2,765 $38.63 $106,811.95
Disclosure

SEC source: 0001266824-15-000050 · edgardoc.xml · nonDerivative · entry 2

MURPHY JAMES J · CIK 0001234677 · President, WD Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,132

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
March 04, 2015 Filed Mar 5, 2015 22:55 UTC
MURPHY JAMES JPresident, WD Subsidiary
Exercise / conversionCommon Stock 3,018 $29.60 $89,332.80
Disclosure

SEC source: 0001266824-15-000050 · edgardoc.xml · nonDerivative · entry 1

MURPHY JAMES J · CIK 0001234677 · President, WD Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,367

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
February 23, 2015 Filed Feb 25, 2015 01:00 UTC
CORDANO MICHAEL DPresident, HGST Subsidiary
Exercise / conversionEmployee Stock Option (right to buy) · Derivative 5,057 $0.00 Strike: $68.49 $0.00
Disclosure

SEC source: 0001266824-15-000047 · edgardoc.xml · derivative · entry 3

CORDANO MICHAEL D · CIK 0001201490 · President, HGST Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,568

Underlying: Common Stock · 5,057 shares

Expires 2020-08-14

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 21, 2014.

F2 · derivative.exercise_date: The option vested 25% one year from the grant date of 8/14/2013, and an additional 6.25% vested at the end of each three-month period through 2/14/2015. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 8/14/2017.

Read SEC document
February 23, 2015 Filed Feb 25, 2015 01:00 UTC
CORDANO MICHAEL DPresident, HGST Subsidiary
SaleCommon Stock 5,057 $111.47 $563,703.79
Disclosure

SEC source: 0001266824-15-000047 · edgardoc.xml · nonDerivative · entry 2

CORDANO MICHAEL D · CIK 0001201490 · President, HGST Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,958

F1 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 21, 2014.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.