WDC

SEC source: 0001266824-15-000229 · edgardoc.xml · derivative · entry 3

Price Paula A · CIK 0001369240 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 48.0185 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 $1.27 was also paid to the holder to settle a fractional dividend equivalent of 0.0185.

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 $1.27 was also paid to the holder to settle a fractional dividend equivalent of 0.0185.

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 $1.27 was also paid to the holder to settle a fractional dividend equivalent of 0.0185.

SEC source: 0001266824-15-000229 · edgardoc.xml · nonDerivative · entry 1

Price Paula A · CIK 0001369240 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,288

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 · 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 $1.27 was also paid to the holder to settle a fractional dividend equivalent of 0.0185.

SEC source: 0001266824-15-000230 · edgardoc.xml · derivative · entry 3

RAY MICHAEL CHARLES · CIK 0001593199 · EVP, Chief Legal Officer & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,329

Underlying: Common Stock · 19,329 shares

Expires 2022-11-03

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: 0001266824-15-000230 · edgardoc.xml · nonDerivative · entry 1

RAY MICHAEL CHARLES · CIK 0001593199 · EVP, Chief Legal Officer & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,169

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: 0001363249-15-000024 · edgardoc.xml · nonDerivative · entry 1

MILLIGAN STEPHEN D · CIK 0001277246 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 104,659

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 13, 2015.

F2 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $66.21 to a high of $66.88. 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: 0001363249-15-000022 · edgardoc.xml · derivative · entry 3

LONG MARK P · CIK 0001593123 · EVP, Chief Strategy Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,774

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 8/13/2015. 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.

SEC source: 0001363249-15-000022 · edgardoc.xml · nonDerivative · entry 2

LONG MARK P · CIK 0001593123 · EVP, Chief Strategy Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,307

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.

SEC source: 0001363249-15-000022 · edgardoc.xml · nonDerivative · entry 1

LONG MARK P · CIK 0001593123 · EVP, Chief Strategy Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,185

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.

SEC source: 0001266824-15-000194 · edgardoc.xml · derivative · entry 1

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,259.2566

Underlying: Common Stock · 404.1426 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: 0001266824-15-000193 · edgardoc.xml · derivative · entry 1

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44.451

Underlying: Common Stock · 12.8672 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: 0001266824-15-000195 · edgardoc.xml · derivative · entry 1

COTE KATHLEEN A · CIK 0001181540 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48.0185

Underlying: Common Stock · 13.8999 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: 0001266824-15-000196 · edgardoc.xml · derivative · entry 1

DENERO HENRY T · CIK 0001227538 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 360.1616

Underlying: Common Stock · 45.7496 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: 0001266824-15-000197 · edgardoc.xml · derivative · entry 1

LAMBERT MICHAEL D · CIK 0001077820 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48.0185

Underlying: Common Stock · 13.8999 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: 0001266824-15-000198 · edgardoc.xml · derivative · entry 1

Lauer Len J · CIK 0001202231 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48.0185

Underlying: Common Stock · 13.8999 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: 0001266824-15-000199 · edgardoc.xml · derivative · entry 1

LEONETTI OLIVIER · CIK 0001618669 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 325.8866

Underlying: Common Stock · 159.6172 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: 0001266824-15-000200 · edgardoc.xml · derivative · entry 1

LONG MARK P · CIK 0001593123 · EVP, Chief Strategy Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,326.9312

Underlying: Common Stock · 591.2947 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: 0001266824-15-000201 · edgardoc.xml · derivative · entry 1

MASSENGILL MATTHEW E · CIK 0001232826 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48.0185

Underlying: Common Stock · 13.8999 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: 0001266824-15-000202 · edgardoc.xml · derivative · entry 1

MILLIGAN STEPHEN D · CIK 0001277246 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,321.1788

Underlying: Common Stock · 1,039.1091 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: 0001266824-15-000203 · edgardoc.xml · derivative · entry 1

MURPHY JAMES J · CIK 0001234677 · Exec Officer, Storage Devcs BU

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 991.8891

Underlying: Common Stock · 343.3217 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: 0001266824-15-000204 · edgardoc.xml · derivative · entry 1

PARDUN THOMAS E · CIK 0001232833 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,167.4551

Underlying: Common Stock · 130.124 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: 0001266824-15-000205 · edgardoc.xml · derivative · entry 1

Price Paula A · CIK 0001369240 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48.0185

Underlying: Common Stock · 13.8999 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: 0001266824-15-000206 · 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: 350.2143

Underlying: Common Stock · 129.0259 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: 0001266824-15-000177 · edgardoc.xml · nonDerivative · entry 1

CORDANO MICHAEL D · CIK 0001201490 · President, HGST Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,339

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 June 9, 2015.

SEC source: 0001266824-15-000175 · edgardoc.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 110,898

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 13, 2015.

F2 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $71.00 to a high of $71.5733. 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: 0001266824-15-000173 · edgardoc.xml · derivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,425

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 13, 2015.

F4 · 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 9/19/2015. 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.

SEC source: 0001266824-15-000173 · edgardoc.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 113,189

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 13, 2015.

F3 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $77.2853 to a high of $77.3818. 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: 0001266824-15-000173 · edgardoc.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 113,589

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 13, 2015.

F2 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $76.2384 to a high of $77.22. 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: 0001266824-15-000173 · edgardoc.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 120,901

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 13, 2015.

SEC source: 0001266824-15-000171 · edgardoc.xml · derivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

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 April 30, 2015.

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

SEC source: 0001266824-15-000171 · 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: 16,563

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 April 30, 2015.

SEC source: 0001266824-15-000171 · 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: 18,388

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 April 30, 2015.

SEC source: 0001363249-15-000017 · edgardoc.xml · derivative · entry 7

LONG MARK P · CIK 0001593123 · EVP, Chief Strategy Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,652

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.

F3 · 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.

F4 · 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 8/13/2015. 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.

SEC source: 0001363249-15-000017 · edgardoc.xml · nonDerivative · entry 5

LONG MARK P · CIK 0001593123 · EVP, Chief Strategy Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,307

F3 · 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.

SEC source: 0001363249-15-000017 · edgardoc.xml · nonDerivative · entry 4

LONG MARK P · CIK 0001593123 · EVP, Chief Strategy Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,183

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 · 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.

SEC source: 0001363249-15-000016 · edgardoc.xml · nonDerivative · entry 3

LEONETTI OLIVIER · CIK 0001618669 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,575

F3 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 19, 2014.

SEC source: 0001363249-15-000017 · edgardoc.xml · nonDerivative · entry 3

LONG MARK P · CIK 0001593123 · EVP, Chief Strategy Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,307

F3 · 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.

SEC source: 0001363249-15-000018 · edgardoc.xml · nonDerivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 113,189

F3 · 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 13, 2015.

F6 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $80.08 to a high of $81.07. 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: 0001363249-15-000020 · 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: 16,563

F3 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on April 30, 2015.

SEC source: 0001363249-15-000015 · edgardoc.xml · derivative · entry 6

CORDANO MICHAEL D · CIK 0001201490 · President, HGST Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,584

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.

F3 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 9, 2015.

F4 · 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 9/6/2015. 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.

SEC source: 0001363249-15-000015 · edgardoc.xml · derivative · entry 5

CORDANO MICHAEL D · CIK 0001201490 · President, HGST Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 855.114

Underlying: Common Stock · 117.5845 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 $47.07 was also paid to the holder to settle a fractional dividend equivalent of 0.5845.

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 $47.07 was also paid to the holder to settle a fractional dividend equivalent of 0.5845.

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 $47.07 was also paid to the holder to settle a fractional dividend equivalent of 0.5845.

SEC source: 0001363249-15-000015 · edgardoc.xml · nonDerivative · entry 4

CORDANO MICHAEL D · CIK 0001201490 · President, HGST Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,188

F3 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 9, 2015.

SEC source: 0001363249-15-000015 · edgardoc.xml · nonDerivative · entry 3

CORDANO MICHAEL D · CIK 0001201490 · President, HGST Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,199

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 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 9, 2015.

SEC source: 0001363249-15-000015 · edgardoc.xml · nonDerivative · entry 2

CORDANO MICHAEL D · CIK 0001201490 · President, HGST Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,303

F2 · shares: Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).

SEC source: 0001363249-15-000015 · edgardoc.xml · nonDerivative · entry 1

CORDANO MICHAEL D · CIK 0001201490 · President, HGST Subsidiary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,411

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 · 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 $47.07 was also paid to the holder to settle a fractional dividend equivalent of 0.5845.

SEC source: 0001363249-15-000016 · edgardoc.xml · derivative · entry 4

LEONETTI OLIVIER · CIK 0001618669 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 166.2694

Underlying: Common Stock · 141.1016 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 $8.18 was also paid to the holder to settle a fractional dividend equivalent of 0.1016.

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 $8.18 was also paid to the holder to settle a fractional dividend equivalent of 0.1016.

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 $8.18 was also paid to the holder to settle a fractional dividend equivalent of 0.1016.

SEC source: 0001363249-15-000016 · edgardoc.xml · nonDerivative · entry 2

LEONETTI OLIVIER · CIK 0001618669 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,038

F2 · shares: Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).

SEC source: 0001363249-15-000016 · edgardoc.xml · nonDerivative · entry 1

LEONETTI OLIVIER · CIK 0001618669 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,724

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 · 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 $8.18 was also paid to the holder to settle a fractional dividend equivalent of 0.1016.

SEC source: 0001363249-15-000017 · edgardoc.xml · derivative · entry 6

LONG MARK P · CIK 0001593123 · EVP, Chief Strategy Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 735.6365

Underlying: Common Stock · 55.8528 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 $68.68 was also paid to the holder to settle a fractional dividend equivalent of 0.8528.

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 $68.68 was also paid to the holder to settle a fractional dividend equivalent of 0.8528.

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 $68.68 was also paid to the holder to settle a fractional dividend equivalent of 0.8528.

SEC source: 0001363249-15-000017 · edgardoc.xml · nonDerivative · entry 2

LONG MARK P · CIK 0001593123 · EVP, Chief Strategy Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,661

F2 · shares: Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).

SEC source: 0001363249-15-000017 · edgardoc.xml · nonDerivative · entry 1

LONG MARK P · CIK 0001593123 · EVP, Chief Strategy Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,136

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 · 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 $68.68 was also paid to the holder to settle a fractional dividend equivalent of 0.8528.