WDC

SEC source: 0001266824-13-000111 · edgardoc.xml · nonDerivative · entry 5

CORDANO MICHAEL D · CIK 0001201490 · President, HGST Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 98,939

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 · 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 7, 2013.

SEC source: 0001266824-13-000113 · edgardoc.xml · nonDerivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 130,467

F4 · 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 20, 2013.

F6 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $65.20 to a high of $65.89. 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.

SEC source: 0001266824-13-000113 · edgardoc.xml · derivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,191.3157

Underlying: Common Stock · 719.7076 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.

F2 · derivative.exercise_price: An amount equal to 14.413 dividend equivalents were canceled without payment in connection with the determination of the achievement level of the performance-based restricted stock units to which the dividend equivalents relate. The remaining 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 the performance-based restricted stock units to which the dividend equivalents relate. A cash amount equal to $19.45 was also paid to the holder to settle a fractional dividend equivalent of 0.2946.

F2 · derivative.exercise_date: An amount equal to 14.413 dividend equivalents were canceled without payment in connection with the determination of the achievement level of the performance-based restricted stock units to which the dividend equivalents relate. The remaining 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 the performance-based restricted stock units to which the dividend equivalents relate. A cash amount equal to $19.45 was also paid to the holder to settle a fractional dividend equivalent of 0.2946.

F2 · derivative.expiration_date: An amount equal to 14.413 dividend equivalents were canceled without payment in connection with the determination of the achievement level of the performance-based restricted stock units to which the dividend equivalents relate. The remaining 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 the performance-based restricted stock units to which the dividend equivalents relate. A cash amount equal to $19.45 was also paid to the holder to settle a fractional dividend equivalent of 0.2946.

SEC source: 0001266824-13-000113 · edgardoc.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 135,916

F5 · security: Represents shares issued as payment in respect of the vesting of a performance-based stock unit award.

SEC source: 0001266824-13-000113 · edgardoc.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,053

F4 · 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 20, 2013.

SEC source: 0001266824-13-000113 · edgardoc.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 93,587

F3 · shares: Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).

SEC source: 0001266824-13-000113 · edgardoc.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,363

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 · shares: An amount equal to 14.413 dividend equivalents were canceled without payment in connection with the determination of the achievement level of the performance-based restricted stock units to which the dividend equivalents relate. The remaining 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 the performance-based restricted stock units to which the dividend equivalents relate. A cash amount equal to $19.45 was also paid to the holder to settle a fractional dividend equivalent of 0.2946.

SEC source: 0001266824-13-000111 · edgardoc.xml · derivative · entry 9

CORDANO MICHAEL D · CIK 0001201490 · President, HGST Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,911

Underlying: Common Stock · 80,911 shares

Expires 2020-08-14

F7 · derivative.exercise_date: The option vests 25% on the first anniversary of the grant date and 6.25% at the end of each three-month period thereafter.

SEC source: 0001266824-13-000111 · edgardoc.xml · derivative · entry 7

CORDANO MICHAEL D · CIK 0001201490 · President, HGST Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,722.8117

Underlying: Common Stock · 524.9225 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.

F4 · derivative.exercise_price: An amount equal to 21.0039 dividend equivalents were canceled without payment in connection with the determination of the achievement level of the performance-based restricted stock units to which the dividend equivalents relate. The remaining 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 the performance-based restricted stock units to which the dividend equivalents relate. A cash amount equal to $62.91 was also paid to the holder to settle a fractional dividend equivalent of 0.9186.

F4 · derivative.exercise_date: An amount equal to 21.0039 dividend equivalents were canceled without payment in connection with the determination of the achievement level of the performance-based restricted stock units to which the dividend equivalents relate. The remaining 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 the performance-based restricted stock units to which the dividend equivalents relate. A cash amount equal to $62.91 was also paid to the holder to settle a fractional dividend equivalent of 0.9186.

F4 · derivative.expiration_date: An amount equal to 21.0039 dividend equivalents were canceled without payment in connection with the determination of the achievement level of the performance-based restricted stock units to which the dividend equivalents relate. The remaining 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 the performance-based restricted stock units to which the dividend equivalents relate. A cash amount equal to $62.91 was also paid to the holder to settle a fractional dividend equivalent of 0.9186.

SEC source: 0001266824-13-000111 · edgardoc.xml · nonDerivative · entry 4

CORDANO MICHAEL D · CIK 0001201490 · President, HGST Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 96,544

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 · shares: An amount equal to 21.0039 dividend equivalents were canceled without payment in connection with the determination of the achievement level of the performance-based restricted stock units to which the dividend equivalents relate. The remaining 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 the performance-based restricted stock units to which the dividend equivalents relate. A cash amount equal to $62.91 was also paid to the holder to settle a fractional dividend equivalent of 0.9186.

SEC source: 0001266824-13-000111 · edgardoc.xml · nonDerivative · entry 3

CORDANO MICHAEL D · CIK 0001201490 · President, HGST Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 96,041

F3 · shares: Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).

SEC source: 0001266824-13-000111 · edgardoc.xml · nonDerivative · entry 2

CORDANO MICHAEL D · CIK 0001201490 · President, HGST Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 108,378

F2 · security: Represents shares issued as payment in respect of the vesting of a performance-based stock unit award.

SEC source: 0001266824-13-000111 · edgardoc.xml · nonDerivative · entry 1

CORDANO MICHAEL D · CIK 0001201490 · President, HGST Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,106

F1 · security: Represents the grant of restricted stock units to the reporting person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001266824-13-000112 · edgardoc.xml · derivative · entry 6

LEYDEN TIMOTHY M · CIK 0001398362 · President, WD Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,414

Underlying: Common Stock · 60,414 shares

Expires 2020-08-14

F5 · derivative.exercise_date: The option vests 25% on the first anniversary of the grant date and 6.25% at the end of each three-month period thereafter.

SEC source: 0001266824-13-000112 · edgardoc.xml · derivative · entry 5

LEYDEN TIMOTHY M · CIK 0001398362 · President, WD Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,745.8501

Underlying: Common Stock · 541.8772 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.

F3 · derivative.exercise_price: 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 $60.08 was also paid to the holder to settle a fractional dividend equivalent of 0.8772.

F3 · derivative.exercise_date: 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 $60.08 was also paid to the holder to settle a fractional dividend equivalent of 0.8772.

F3 · derivative.expiration_date: 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 $60.08 was also paid to the holder to settle a fractional dividend equivalent of 0.8772.

SEC source: 0001266824-13-000112 · edgardoc.xml · nonDerivative · entry 4

LEYDEN TIMOTHY M · CIK 0001398362 · President, WD Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 228,030

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

SEC source: 0001266824-13-000112 · edgardoc.xml · nonDerivative · entry 3

LEYDEN TIMOTHY M · CIK 0001398362 · President, WD Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 241,369

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 $60.08 was also paid to the holder to settle a fractional dividend equivalent of 0.8772.

SEC source: 0001266824-13-000112 · edgardoc.xml · nonDerivative · entry 2

LEYDEN TIMOTHY M · CIK 0001398362 · President, WD Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 240,828

F2 · security: Represents shares issued as payment in respect of the vesting of a performance-based stock unit award.

SEC source: 0001266824-13-000112 · edgardoc.xml · nonDerivative · entry 1

LEYDEN TIMOTHY M · CIK 0001398362 · President, WD Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 215,803

F1 · security: Represents the grant of restricted stock units to the reporting person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001266824-13-000113 · edgardoc.xml · derivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 90,621

Underlying: Common Stock · 90,621 shares

Expires 2020-08-14

F7 · derivative.exercise_date: The option vests 25% on the first anniversary of the grant date and 6.25% at the end of each three-month period thereafter.

SEC source: 0001266824-13-000113 · edgardoc.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 116,658

F1 · security: Represents the grant of restricted stock units to the reporting person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001266824-13-000114 · edgardoc.xml · derivative · entry 2

NICKL WOLFGANG U. · CIK 0001499701 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,879

Underlying: Common Stock · 18,879 shares

Expires 2020-08-14

F2 · derivative.exercise_date: The option vests 25% on the first anniversary of the grant date and 6.25% at the end of each three-month period thereafter.

SEC source: 0001266824-13-000114 · edgardoc.xml · nonDerivative · entry 1

NICKL WOLFGANG U. · CIK 0001499701 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,422

F1 · security: Represents the grant of restricted stock units to the reporting person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001266824-13-000094 · edgardoc.xml · derivative · entry 1

CORDANO MICHAEL D · CIK 0001201490 · President, HGST Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,247.7342

Underlying: Common Stock · 387.1102 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.

SEC source: 0001266824-13-000095 · edgardoc.xml · derivative · entry 1

COTE KATHLEEN A · CIK 0001181540 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 280.997

Underlying: Common Stock · 56.1178 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.

SEC source: 0001266824-13-000096 · edgardoc.xml · derivative · entry 1

DENERO HENRY T · CIK 0001227538 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 386.8172

Underlying: Common Stock · 74.3424 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.

SEC source: 0001266824-13-000097 · edgardoc.xml · derivative · entry 1

KIMSEY WILLIAM L · CIK 0001232832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 280.997

Underlying: Common Stock · 56.1178 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.

SEC source: 0001266824-13-000098 · edgardoc.xml · derivative · entry 1

LAMBERT MICHAEL D · CIK 0001077820 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 280.997

Underlying: Common Stock · 56.1178 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.

SEC source: 0001266824-13-000099 · edgardoc.xml · derivative · entry 1

Lauer Len J · CIK 0001202231 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 294.8334

Underlying: Common Stock · 58.5007 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.

SEC source: 0001266824-13-000100 · edgardoc.xml · derivative · entry 1

LEYDEN TIMOTHY M · CIK 0001398362 · President, WD Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,287.7273

Underlying: Common Stock · 566.2203 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.

SEC source: 0001266824-13-000101 · edgardoc.xml · derivative · entry 1

MASSENGILL MATTHEW E · CIK 0001232826 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 280.997

Underlying: Common Stock · 56.1178 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.

SEC source: 0001266824-13-000102 · edgardoc.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,911.0233

Underlying: Common Stock · 937.3523 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.

SEC source: 0001266824-13-000103 · edgardoc.xml · derivative · entry 1

MOORE ROGER H/CA · CIK 0001204825 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 280.997

Underlying: Common Stock · 56.1178 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.

SEC source: 0001266824-13-000104 · edgardoc.xml · derivative · entry 1

NICKL WOLFGANG U. · CIK 0001499701 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,403.8137

Underlying: Common Stock · 241.7682 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.

SEC source: 0001266824-13-000105 · edgardoc.xml · derivative · entry 1

PARDUN THOMAS E · CIK 0001232833 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 595.7257

Underlying: Common Stock · 112.0373 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.

SEC source: 0001266824-13-000106 · edgardoc.xml · derivative · entry 1

SHAKEEL ARIF · CIK 0001232828 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 280.997

Underlying: Common Stock · 56.1178 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.

SEC source: 0001266824-13-000080 · edgardoc.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 84,837

Underlying: Common Stock · 7,713 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.

F2 · derivative.exercise_date: The option vested 25% one year from the grant date of 3/19/2012, and an additional 6.25% vested on 6/19/2013. 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.

SEC source: 0001266824-13-000080 · edgardoc.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,961

F1 · 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 20, 2013.

SEC source: 0001266824-13-000080 · edgardoc.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 93,674

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.

SEC source: 0001266824-13-000078 · edgardoc.xml · derivative · entry 3

CORDANO MICHAEL D · CIK 0001201490 · President, HGST Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,740

Underlying: Common Stock · 9,581 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. 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.

SEC source: 0001266824-13-000078 · edgardoc.xml · nonDerivative · entry 2

CORDANO MICHAEL D · CIK 0001201490 · President, HGST Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,698

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 7, 2013.

SEC source: 0001266824-13-000078 · edgardoc.xml · nonDerivative · entry 1

CORDANO MICHAEL D · CIK 0001201490 · President, HGST Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,656

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.

SEC source: 0001266824-13-000076 · edgardoc.xml · derivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,550

Underlying: Common Stock · 3,778 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.

F3 · derivative.exercise_date: The option vested 25% one year from the grant date of 3/19/2012. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 3/19/2016.

SEC source: 0001266824-13-000076 · edgardoc.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,961

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 20, 2013.

SEC source: 0001266824-13-000076 · edgardoc.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 89,739

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.

SEC source: 0001266824-13-000076 · edgardoc.xml · derivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 96,328

Underlying: Common Stock · 27,073 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.

F3 · derivative.exercise_date: The option vested 25% one year from the grant date of 3/19/2012. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 3/19/2016.

SEC source: 0001266824-13-000076 · edgardoc.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,961

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 20, 2013.

SEC source: 0001266824-13-000076 · edgardoc.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 113,034

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 · balance_after: Includes 330 shares acquired under the issuer's Employee Stock Purchase Plan on May 31, 2013.

SEC source: 0001266824-13-000074 · edgardoc.xml · nonDerivative · entry 1

DENERO HENRY T · CIK 0001227538 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,660

SEC source: 0001266824-13-000071 · edgardoc.xml · derivative · entry 3

CORDANO MICHAEL D · CIK 0001201490 · President, HGST Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,860.624

Underlying: Common Stock · 137.2461 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.

F1 · derivative.exercise_price: 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 $14.53 was also paid to the holder to settle a fractional dividend equivalent of 0.2461.

F1 · derivative.exercise_date: 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 $14.53 was also paid to the holder to settle a fractional dividend equivalent of 0.2461.

F1 · derivative.expiration_date: 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 $14.53 was also paid to the holder to settle a fractional dividend equivalent of 0.2461.