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person · Reporting owner

LONG MARK P

Disclosed activity across 2 companies

Tapewire entity
15979
SEC CIK
0001593123

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Prime Impact Acquisition IPIAI · Entity 109614Director · Co-Chief Exec. Officer and CFOSeptember 09, 2020September 10, 2020
WESTERN DIGITAL CORPWDC · Entity 1010Pres WD Capital, CSO & CFOApril 15, 2019April 17, 2019

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Prime Impact Acquisition I

Report date September 09, 2020 · Filed September 10, 2020

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Class B Ordinary SharesSEC Table II · derivative / convertible securityIndirectSee FootnoteNot disclosed Reported balance Holding disclosure · report date 2020-09-09 · row 1 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 1 · Balance Not disclosed

F1: The shares will automatically convert into Class A ordinary shares at the time of the Issuer's initial business combination.

F3: The shares owned by the Reporting Person includes up to 1,125,000 shares that are subject to forfeiture in the event the underwriters of the initial public offering of the Issuer's securities do not exercise in full their over-allotment option as described in the Issuer's registration statement.

F2: Consists of shares held by Prime Impact Cayman, LLC ("Sponsor") of which the Reporting Person is the manager. As such, the Reporting Person has voting and investment discretion and may be deemed to have beneficial ownership with respect to the Class B ordinary shares held by Sponsor. The Reporting Person disclaims beneficial ownership of the reported shares other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

Filing footnotes · ownership attribution and instrument terms

F1: The shares will automatically convert into Class A ordinary shares at the time of the Issuer's initial business combination.

F2: Consists of shares held by Prime Impact Cayman, LLC ("Sponsor") of which the Reporting Person is the manager. As such, the Reporting Person has voting and investment discretion and may be deemed to have beneficial ownership with respect to the Class B ordinary shares held by Sponsor. The Reporting Person disclaims beneficial ownership of the reported shares other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3: The shares owned by the Reporting Person includes up to 1,125,000 shares that are subject to forfeiture in the event the underwriters of the initial public offering of the Issuer's securities do not exercise in full their over-allotment option as described in the Issuer's registration statement.

WESTERN DIGITAL CORP

Report date April 15, 2019 · Filed April 17, 2019

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Dividend Equivalent RightsSEC Table II · derivative / convertible securityDirect6,010.0663 Reported balance After 2019-04-15 transaction · row 1 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 1 · 2019-04-15 · Grant · Acquired 1,110.9442 · Balance 6,010.0663

F1: 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.

Filing footnotes · ownership attribution and instrument terms

F1: 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.

Transaction history

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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 dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
April 15, 2019 Filed Apr 17, 2019 23:41 UTC WESTERN DIGITAL CORP WDC · Entity 1010 GrantDividend Equivalent Rights · Derivative 1,110.9442 $0.00 $0.00
Disclosure

SEC source: 0001266824-19-000084 · edgardoc.xml · derivative · entry 1

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,010.0663

Underlying: Common Stock · 1,110.9442 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
March 12, 2019 Filed Mar 13, 2019 22:08 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 17,523 $50.00 $876,150.00
Disclosure

SEC source: 0001266824-19-000056 · edgardoc.xml · nonDerivative · entry 2

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 141,221

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 April 30, 2018.

Read SEC document
March 11, 2019 Filed Mar 13, 2019 22:08 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 100 $50.00 $5,000.00
Disclosure

SEC source: 0001266824-19-000056 · edgardoc.xml · nonDerivative · entry 1

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 158,744

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 April 30, 2018.

Read SEC document
March 07, 2019 Filed Mar 9, 2019 00:56 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionDividend Equivalent Rights · Derivative 1,240.176 $0.00 $0.00
Disclosure

SEC source: 0001266824-19-000053 · edgardoc.xml · derivative · entry 4

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,899.1221

Underlying: Common Stock · 1,240.176 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 was also paid to the holder to settle a fractional dividend equivalent.

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 was also paid to the holder to settle a fractional dividend equivalent.

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 was also paid to the holder to settle a fractional dividend equivalent.

Read SEC document
March 07, 2019 Filed Mar 9, 2019 00:56 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionDividend Equivalent Rights · Derivative 8,602.8249 $0.00 $0.00
Disclosure

SEC source: 0001266824-19-000053 · edgardoc.xml · derivative · entry 3

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,139.2981

Underlying: Common Stock · 8,602.8249 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 was also paid to the holder to settle a fractional dividend equivalent.

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 was also paid to the holder to settle a fractional dividend equivalent.

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 was also paid to the holder to settle a fractional dividend equivalent.

Read SEC document
March 07, 2019 Filed Mar 9, 2019 00:56 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Tax withholdingCommon Stock 63,033 $46.99 $2,961,920.67
Disclosure

SEC source: 0001266824-19-000053 · edgardoc.xml · nonDerivative · entry 2

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 158,844

F2 · 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 07, 2019 Filed Mar 9, 2019 00:56 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 9,842 $0.00 $0.00
Disclosure

SEC source: 0001266824-19-000053 · edgardoc.xml · nonDerivative · entry 1

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 221,877

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 was also paid to the holder to settle a fractional dividend equivalent.

Read SEC document
January 14, 2019 Filed Jan 17, 2019 01:17 UTC WESTERN DIGITAL CORP WDC · Entity 1010 GrantDividend Equivalent Rights · Derivative 3,225.5849 $0.00 $0.00
Disclosure

SEC source: 0001266824-19-000028 · edgardoc.xml · derivative · entry 1

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,742.123

Underlying: Common Stock · 3,225.5849 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
October 15, 2018 Filed Oct 17, 2018 23:17 UTC WESTERN DIGITAL CORP WDC · Entity 1010 GrantDividend Equivalent Rights · Derivative 2,232.1048 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000195 · edgardoc.xml · derivative · entry 1

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,516.5381

Underlying: Common Stock · 2,232.1048 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
August 30, 2018 Filed Sep 4, 2018 23:54 UTC WESTERN DIGITAL CORP WDC · Entity 1010 GrantCommon Stock 26,667 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000161 · edgardoc.xml · nonDerivative · entry 1

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 212,035

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.

Read SEC document
August 06, 2018 Filed Aug 7, 2018 01:31 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 1,214 $67.65 $82,127.10
Disclosure

SEC source: 0001266824-18-000144 · edgardoc.xml · nonDerivative · entry 7

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 185,368

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 April 30, 2018.

Read SEC document
August 03, 2018 Filed Aug 7, 2018 01:31 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionEmployee Stock Option (right to buy) · Derivative 2,233 $0.00 Strike: $44.78 $0.00
Disclosure

SEC source: 0001266824-18-000144 · edgardoc.xml · derivative · entry 10

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,199

Underlying: Common Stock · 2,233 shares

Expires 2023-08-03

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 April 30, 2018.

F4 · derivative.exercise_date: The option vested 25% one year from the grant date of 8/3/2016, and an additional 6.25% vested at the end of each three-month period through 8/3/2018. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 8/3/2020.

Read SEC document
August 03, 2018 Filed Aug 7, 2018 01:31 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionDividend Equivalent Rights · Derivative 203.5204 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000144 · edgardoc.xml · derivative · entry 9

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,284.4333

Underlying: Common Stock · 203.5204 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 was also paid to the holder to settle a fractional dividend equivalent.

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 was also paid to the holder to settle a fractional dividend equivalent.

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 was also paid to the holder to settle a fractional dividend equivalent.

Read SEC document
August 03, 2018 Filed Aug 7, 2018 01:31 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Tax withholdingCommon Stock 2,026 $67.96 $137,686.96
Disclosure

SEC source: 0001266824-18-000144 · edgardoc.xml · nonDerivative · entry 6

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 186,582

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

Read SEC document
August 03, 2018 Filed Aug 7, 2018 01:31 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 203 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000144 · edgardoc.xml · nonDerivative · entry 5

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 188,608

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 was also paid to the holder to settle a fractional dividend equivalent.

Read SEC document
August 03, 2018 Filed Aug 7, 2018 01:31 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 2,233 $68.74 $153,496.42
Disclosure

SEC source: 0001266824-18-000144 · edgardoc.xml · nonDerivative · entry 4

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 188,405

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 April 30, 2018.

Read SEC document
August 03, 2018 Filed Aug 7, 2018 01:31 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 2,233 $44.78 $99,993.74
Disclosure

SEC source: 0001266824-18-000144 · edgardoc.xml · nonDerivative · entry 3

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 190,638

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 April 30, 2018.

Read SEC document
August 02, 2018 Filed Aug 7, 2018 01:31 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionDividend Equivalent Rights · Derivative 129.0754 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000144 · edgardoc.xml · derivative · entry 8

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,487.9537

Underlying: Common Stock · 129.0754 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 was also paid to the holder to settle a fractional dividend equivalent.

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 was also paid to the holder to settle a fractional dividend equivalent.

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 was also paid to the holder to settle a fractional dividend equivalent.

Read SEC document
August 02, 2018 Filed Aug 7, 2018 01:31 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Tax withholdingCommon Stock 2,749 $68.52 $188,361.48
Disclosure

SEC source: 0001266824-18-000144 · edgardoc.xml · nonDerivative · entry 2

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 188,405

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

Read SEC document
August 02, 2018 Filed Aug 7, 2018 01:31 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 129 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000144 · edgardoc.xml · nonDerivative · entry 1

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 191,154

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 was also paid to the holder to settle a fractional dividend equivalent.

Read SEC document
July 30, 2018 Filed Aug 1, 2018 22:47 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionEmployee Stock Option (right to buy) · Derivative 2,234 $0.00 Strike: $44.78 $0.00
Disclosure

SEC source: 0001266824-18-000135 · edgardoc.xml · derivative · entry 3

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,432

Underlying: Common Stock · 2,234 shares

Expires 2023-08-03

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, 2018.

F2 · derivative.exercise_date: The option vested 25% one year from the grant date of 8/3/2016, and an additional 6.25% vested at the end of each three-month period through 5/3/2018. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 8/3/2020.

Read SEC document
July 30, 2018 Filed Aug 1, 2018 22:47 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 24,938 $70.83 $1,766,358.54
Disclosure

SEC source: 0001266824-18-000135 · edgardoc.xml · nonDerivative · entry 2

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 191,025

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, 2018.

Read SEC document
July 30, 2018 Filed Aug 1, 2018 22:47 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 2,234 $44.78 $100,038.52
Disclosure

SEC source: 0001266824-18-000135 · edgardoc.xml · nonDerivative · entry 1

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 215,963

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, 2018.

Read SEC document
July 25, 2018 Filed Jul 27, 2018 00:49 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionDividend Equivalent Rights · Derivative 2,344.2306 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000130 · edgardoc.xml · derivative · entry 4

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,617.0291

Underlying: Common Stock · 2,344.2306 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: 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 performance-based restricted stock units to which the dividend equivalents relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent.

F2 · 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 performance-based restricted stock units to which the dividend equivalents relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent.

F2 · 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 performance-based restricted stock units to which the dividend equivalents relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent.

F4 · balance_after: The total number of derivative securities has been adjusted to reflect an additional 716.2768 dividend equivalents which were accrued in connection with a determination that the performance-based restricted stock units to which the dividend equivalents relate were achieved at a level greater than target.

Read SEC document
July 25, 2018 Filed Jul 27, 2018 00:49 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Tax withholdingCommon Stock 23,348 $75.63 $1,765,809.24
Disclosure

SEC source: 0001266824-18-000130 · edgardoc.xml · nonDerivative · entry 3

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 213,729

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

Read SEC document
July 25, 2018 Filed Jul 27, 2018 00:49 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 2,344 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000130 · edgardoc.xml · nonDerivative · entry 2

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 237,077

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: 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 performance-based restricted stock units to which the dividend equivalents relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent.

Read SEC document
July 25, 2018 Filed Jul 27, 2018 00:49 UTC WESTERN DIGITAL CORP WDC · Entity 1010 GrantCommon Stock 44,749 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000130 · edgardoc.xml · nonDerivative · entry 1

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 234,733

F1 · shares: Represents shares issued as payment in respect of the vesting of a performance-based restricted stock unit award.

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July 16, 2018 Filed Jul 19, 2018 01:00 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionDividend Equivalent Rights · Derivative 272.2115 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000117 · edgardoc.xml · derivative · entry 4

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,244.9829

Underlying: Common Stock · 272.2115 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: Represents dividend equivalents accrued in connection with the dividend paid on July 16, 2018 that were converted into, and paid in the form of shares of the Issuer's common stock on a one-for-one basis as a result of the vesting of restricted stock units to which the dividend equivalents relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent.

F1 · derivative.exercise_date: Represents dividend equivalents accrued in connection with the dividend paid on July 16, 2018 that were converted into, and paid in the form of shares of the Issuer's common stock on a one-for-one basis as a result of the vesting of restricted stock units to which the dividend equivalents relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent.

F1 · derivative.expiration_date: Represents dividend equivalents accrued in connection with the dividend paid on July 16, 2018 that were converted into, and paid in the form of shares of the Issuer's common stock on a one-for-one basis as a result of the vesting of restricted stock units to which the dividend equivalents relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent.

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July 16, 2018 Filed Jul 19, 2018 01:00 UTC WESTERN DIGITAL CORP WDC · Entity 1010 GrantDividend Equivalent Rights · Derivative 1,743.9744 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000117 · edgardoc.xml · derivative · entry 3

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,517.1944

Underlying: Common Stock · 1,743.9744 shares

Expires not disclosed

F3 · 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.

F3 · 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.

F3 · 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.

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July 16, 2018 Filed Jul 19, 2018 01:00 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Tax withholdingCommon Stock 135 $77.41 $10,450.35
Disclosure

SEC source: 0001266824-18-000117 · edgardoc.xml · nonDerivative · entry 2

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 189,984

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

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July 16, 2018 Filed Jul 19, 2018 01:00 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 272 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000117 · edgardoc.xml · nonDerivative · entry 1

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 190,119

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: Represents dividend equivalents accrued in connection with the dividend paid on July 16, 2018 that were converted into, and paid in the form of shares of the Issuer's common stock on a one-for-one basis as a result of the vesting of restricted stock units to which the dividend equivalents relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent.

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July 01, 2018 Filed Jul 3, 2018 22:48 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionDividend Equivalent Rights · Derivative 1,447.5351 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000109 · edgardoc.xml · derivative · entry 6

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,773.22

Underlying: Common Stock · 1,447.5351 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 $41.42 was also paid to the holder to settle a fractional dividend equivalent of 0.5351. Balance excludes the dividend equivalents that will be earned in connection with the June 29, 2018 dividend record date. The related dividend equivalents will be determined on the July 16, 2018 dividend payable date.

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 $41.42 was also paid to the holder to settle a fractional dividend equivalent of 0.5351. Balance excludes the dividend equivalents that will be earned in connection with the June 29, 2018 dividend record date. The related dividend equivalents will be determined on the July 16, 2018 dividend payable date.

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 $41.42 was also paid to the holder to settle a fractional dividend equivalent of 0.5351. Balance excludes the dividend equivalents that will be earned in connection with the June 29, 2018 dividend record date. The related dividend equivalents will be determined on the July 16, 2018 dividend payable date.

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July 01, 2018 Filed Jul 3, 2018 22:48 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Tax withholdingCommon Stock 8,980 $77.41 $695,141.80
Disclosure

SEC source: 0001266824-18-000109 · edgardoc.xml · nonDerivative · entry 4

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 189,847

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

Read SEC document
July 01, 2018 Filed Jul 3, 2018 22:48 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 1,447 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000109 · edgardoc.xml · nonDerivative · entry 3

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 198,827

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 $41.42 was also paid to the holder to settle a fractional dividend equivalent of 0.5351. Balance excludes the dividend equivalents that will be earned in connection with the June 29, 2018 dividend record date. The related dividend equivalents will be determined on the July 16, 2018 dividend payable date.

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June 30, 2018 Filed Jul 3, 2018 22:48 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionDividend Equivalent Rights · Derivative 1,964.5556 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000109 · edgardoc.xml · derivative · entry 5

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,220.7551

Underlying: Common Stock · 1,964.5556 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 $43.01 was also paid to the holder to settle a fractional dividend equivalent of 0.5556. Balance excludes the dividend equivalents that will be earned in connection with the June 29, 2018 dividend record date. The related dividend equivalents will be determined on the July 16, 2018 dividend payable date.

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 $43.01 was also paid to the holder to settle a fractional dividend equivalent of 0.5556. Balance excludes the dividend equivalents that will be earned in connection with the June 29, 2018 dividend record date. The related dividend equivalents will be determined on the July 16, 2018 dividend payable date.

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 $43.01 was also paid to the holder to settle a fractional dividend equivalent of 0.5556. Balance excludes the dividend equivalents that will be earned in connection with the June 29, 2018 dividend record date. The related dividend equivalents will be determined on the July 16, 2018 dividend payable date.

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June 30, 2018 Filed Jul 3, 2018 22:48 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Tax withholdingCommon Stock 12,188 $77.41 $943,473.08
Disclosure

SEC source: 0001266824-18-000109 · edgardoc.xml · nonDerivative · entry 2

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 197,380

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

Read SEC document
June 30, 2018 Filed Jul 3, 2018 22:48 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 1,964 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000109 · edgardoc.xml · nonDerivative · entry 1

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 209,568

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 $43.01 was also paid to the holder to settle a fractional dividend equivalent of 0.5556. Balance excludes the dividend equivalents that will be earned in connection with the June 29, 2018 dividend record date. The related dividend equivalents will be determined on the July 16, 2018 dividend payable date.

Read SEC document
April 16, 2018 Filed Apr 18, 2018 23:50 UTC WESTERN DIGITAL CORP WDC · Entity 1010 GrantDividend Equivalent Rights · Derivative 1,502.5833 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000085 · edgardoc.xml · derivative · entry 1

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,185.3107

Underlying: Common Stock · 1,502.5833 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
March 09, 2018 Filed Mar 14, 2018 00:08 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 4,213 $98.94 $416,822.00
Disclosure

SEC source: 0001266824-18-000060 · edgardoc.xml · nonDerivative · entry 2

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 207,604

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 16, 2017.

F3 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $98.72 to a high of $99.01. 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.

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March 09, 2018 Filed Mar 14, 2018 00:08 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 2,813 $98.20 $276,241.94
Disclosure

SEC source: 0001266824-18-000060 · edgardoc.xml · nonDerivative · entry 1

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 211,817

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 16, 2017.

F2 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $97.72 to a high of $98.70. 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 07, 2018 Filed Mar 9, 2018 00:19 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionDividend Equivalent Rights · Derivative 848.0266 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000053 · edgardoc.xml · derivative · entry 5

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,682.7274

Underlying: Common Stock · 848.0266 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: Represents dividend equivalents that 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 $2.53 was also paid to the Reporting Person to settle a fractional dividend equivalent of 0.0266.

F2 · derivative.exercise_date: Represents dividend equivalents that 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 $2.53 was also paid to the Reporting Person to settle a fractional dividend equivalent of 0.0266.

F2 · derivative.expiration_date: Represents dividend equivalents that 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 $2.53 was also paid to the Reporting Person to settle a fractional dividend equivalent of 0.0266.

Read SEC document
March 07, 2018 Filed Mar 9, 2018 00:19 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Tax withholdingCommon Stock 4,307 $95.27 $410,327.89
Disclosure

SEC source: 0001266824-18-000053 · edgardoc.xml · nonDerivative · entry 3

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 214,630

F3 · 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 07, 2018 Filed Mar 9, 2018 00:19 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 848 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000053 · edgardoc.xml · nonDerivative · entry 2

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 218,937

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: Represents dividend equivalents that 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 $2.53 was also paid to the Reporting Person to settle a fractional dividend equivalent of 0.0266.

Read SEC document
March 06, 2018 Filed Mar 9, 2018 00:19 UTC WESTERN DIGITAL CORP WDC · Entity 1010 GrantDividend Equivalent Rights · Derivative 4,147.4153 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000053 · edgardoc.xml · derivative · entry 4

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,530.754

Underlying: Common Stock · 4,147.4153 shares

Expires not disclosed

F4 · derivative.exercise_price: The dividend equivalents accrued in connection with a determination that the performance-based restricted stock units to which the dividend equivalents relate were achieved at a level greater than target.

F4 · derivative.exercise_date: The dividend equivalents accrued in connection with a determination that the performance-based restricted stock units to which the dividend equivalents relate were achieved at a level greater than target.

F4 · derivative.expiration_date: The dividend equivalents accrued in connection with a determination that the performance-based restricted stock units to which the dividend equivalents relate were achieved at a level greater than target.

Read SEC document
March 06, 2018 Filed Mar 9, 2018 00:19 UTC WESTERN DIGITAL CORP WDC · Entity 1010 GrantCommon Stock 134,172 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000053 · edgardoc.xml · nonDerivative · entry 1

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 218,089

F1 · shares: Represents stock units that have been earned by the Reporting Person as payment in respect of the vesting of performance-based restricted stock units. Of these shares 10,485 vested on March 7, 2018 and 123,687 will vest on March 7, 2019.

Read SEC document
February 05, 2018 Filed Feb 6, 2018 01:26 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionEmployee Stock Option (right to buy) · Derivative 4,466 $0.00 Strike: $44.78 $0.00
Disclosure

SEC source: 0001266824-18-000038 · edgardoc.xml · derivative · entry 3

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,666

Underlying: Common Stock · 4,466 shares

Expires 2023-08-03

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 16, 2017.

F2 · derivative.exercise_date: The option vested 25% one year from the grant date of 8/3/2016, and an additional 6.25% vested at the end of each three-month period through 2/3/2018. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 8/3/2020.

Read SEC document
February 05, 2018 Filed Feb 6, 2018 01:26 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 4,466 $84.20 $376,037.20
Disclosure

SEC source: 0001266824-18-000038 · edgardoc.xml · nonDerivative · entry 2

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 83,917

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 16, 2017.

Read SEC document
February 05, 2018 Filed Feb 6, 2018 01:26 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 4,466 $44.78 $199,987.48
Disclosure

SEC source: 0001266824-18-000038 · edgardoc.xml · nonDerivative · entry 1

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 88,383

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 16, 2017.

Read SEC document
January 16, 2018 Filed Jan 18, 2018 00:12 UTC WESTERN DIGITAL CORP WDC · Entity 1010 GrantDividend Equivalent Rights · Derivative 1,124.4814 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000023 · edgardoc.xml · derivative · entry 1

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,383.3387

Underlying: Common Stock · 1,124.4814 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
November 13, 2017 Filed Nov 14, 2017 01:04 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionEmployee Stock Option (right to buy) · Derivative 4,467 $0.00 Strike: $44.78 $0.00
Disclosure

SEC source: 0001266824-17-000247 · edgardoc.xml · derivative · entry 3

LONG MARK P · CIK 0001593123 · Pres WD Capital, CSO & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,132

Underlying: Common Stock · 4,467 shares

Expires 2023-08-03

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 16, 2017.

F2 · derivative.exercise_date: The option vested 25% one year from the grant date of 8/3/2016, and an additional 6.25% vested at the end of each three-month period through 11/3/2017. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 8/3/2020.

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.