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CORDANO MICHAEL D

Disclosed activity across 3 companies

Tapewire entity
10941
SEC CIK
0001201490

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
MICRON TECHNOLOGY INCMU · Entity 2793EVP, Worldwide SalesOctober 13, 2026October 16, 2026
Prime Impact Acquisition IPIAI · Entity 109614Co-Chief Executive OfficerSeptember 09, 2020September 10, 2020
WESTERN DIGITAL CORPWDC · Entity 1010President and COOFebruary 12, 2020February 14, 2020

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.

MICRON TECHNOLOGY INC

Report date October 13, 2026 · Filed October 16, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect48,377 Reported balance After 2026-10-13 transaction · row 1 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 1 · 2026-10-13 · Grant · Acquired 4,298 · Balance 48,377

F1: Restricted Stock Awards vest in three equal annual installments beginning on the first anniversary of the grant date.

F2: Includes 20.273 shares acquired on July 31, 2026 under the Micron Technology, Inc. Employee Stock Purchase Plan, which acquisition is exempt from reporting under Rules 16a3(f)(1)(i)(B) and 16b-3(c).

Common StockSEC Table I · non-derivativeDirect43,683 Reported balance After 2026-10-13 transaction · row 2 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 2 · 2026-10-13 · Tax withholding · Disposed 4,694 · Balance 43,683

F3: Withholding of common stock shares to satisfy tax withholding obligations in connection with the vesting of previously granted awards.

Performance Restricted Stock UnitsSEC Table II · derivative / convertible security · Conversion / exercise price $0.00Direct22,494 Reported balance After 2026-10-13 transaction · row 3 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 3 · 2026-10-13 · Grant · Acquired 22,494 · Balance 22,494

F4: The Compensation Committee certified achievement of pre-established performance goals related to Data Center SSD and HBM3E+, each at a level of 233% of target under the PRSUs with a three-year performance period previously awarded on October 13, 2024. The payout for the PRSUs (if earned) varies (starting at 0%) based on actual achievement of the goals, subject to a 200% aggregate limit on the total target shares that may be received under the PRSUs awarded on October 13, 2024. The reported shares represent the shares earned as of the end of the second year of the performance period, 100% of which remain subject to vesting until certification of performance goals at the end of year 3 of the performance period.

Performance Restricted Stock UnitsSEC Table II · derivative / convertible security · Conversion / exercise price $0.00Direct22,494 Reported balance After 2026-10-13 transaction · row 4 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 4 · 2026-10-13 · Grant · Acquired 22,494 · Balance 22,494

F4: The Compensation Committee certified achievement of pre-established performance goals related to Data Center SSD and HBM3E+, each at a level of 233% of target under the PRSUs with a three-year performance period previously awarded on October 13, 2024. The payout for the PRSUs (if earned) varies (starting at 0%) based on actual achievement of the goals, subject to a 200% aggregate limit on the total target shares that may be received under the PRSUs awarded on October 13, 2024. The reported shares represent the shares earned as of the end of the second year of the performance period, 100% of which remain subject to vesting until certification of performance goals at the end of year 3 of the performance period.

Performance Restricted Stock UnitsSEC Table II · derivative / convertible security · Conversion / exercise price $0.00Direct25,566 Reported balance After 2026-10-13 transaction · row 5 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 5 · 2026-10-13 · Grant · Acquired 25,566 · Balance 25,566

F5: The Compensation Committee certified achievement of pre-established performance goals related to relative total shareholder return at a level of 150% of target under the PRSUs with a three-year performance period previously awarded on October 13, 2024. The payout for the PRSUs (if earned) varies (starting at 0%) based on actual achievement of the goals, subject to a 200% aggregate limit on the total target shares that may be received under the PRSUs awarded on October 13, 2024. The reported shares represent the shares earned as of the end of the second year of the performance period, 100% of which remain subject to vesting until certification of performance goals at the end of year 3 of the performance period.

Filing footnotes · ownership attribution and instrument terms

F1: Restricted Stock Awards vest in three equal annual installments beginning on the first anniversary of the grant date.

F2: Includes 20.273 shares acquired on July 31, 2026 under the Micron Technology, Inc. Employee Stock Purchase Plan, which acquisition is exempt from reporting under Rules 16a3(f)(1)(i)(B) and 16b-3(c).

F3: Withholding of common stock shares to satisfy tax withholding obligations in connection with the vesting of previously granted awards.

F4: The Compensation Committee certified achievement of pre-established performance goals related to Data Center SSD and HBM3E+, each at a level of 233% of target under the PRSUs with a three-year performance period previously awarded on October 13, 2024. The payout for the PRSUs (if earned) varies (starting at 0%) based on actual achievement of the goals, subject to a 200% aggregate limit on the total target shares that may be received under the PRSUs awarded on October 13, 2024. The reported shares represent the shares earned as of the end of the second year of the performance period, 100% of which remain subject to vesting until certification of performance goals at the end of year 3 of the performance period.

F5: The Compensation Committee certified achievement of pre-established performance goals related to relative total shareholder return at a level of 150% of target under the PRSUs with a three-year performance period previously awarded on October 13, 2024. The payout for the PRSUs (if earned) varies (starting at 0%) based on actual achievement of the goals, subject to a 200% aggregate limit on the total target shares that may be received under the PRSUs awarded on October 13, 2024. The reported shares represent the shares earned as of the end of the second year of the performance period, 100% of which remain subject to vesting until certification of performance goals at the end of year 3 of the performance period.

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 February 12, 2020 · Filed February 14, 2020

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect227,081 Ending reported balance After 2020-02-12 transaction · row 2
2 source rows · reconciled sequence

Row 1 · 2020-02-12 · Sale · Disposed 9,516 · Balance 227,381

F1: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 7, 2019.

F2: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $70.04 to a high of $71.03. 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.

Row 2 · 2020-02-12 · Sale · Disposed 300 · Balance 227,081

F1: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 7, 2019.

F3: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $71.15 to a high of $71.30. 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.

Filing footnotes · ownership attribution and instrument terms

F1: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 7, 2019.

F2: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $70.04 to a high of $71.03. 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.

F3: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $71.15 to a high of $71.30. 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.

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
March 07, 2019 Filed Mar 9, 2019 00:55 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 8,331 $0.00 $0.00
Disclosure

SEC source: 0001266824-19-000052 · edgardoc.xml · nonDerivative · entry 1

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 281,734

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 01:15 UTC WESTERN DIGITAL CORP WDC · Entity 1010 GrantDividend Equivalent Rights · Derivative 3,161.3155 $0.00 $0.00
Disclosure

SEC source: 0001266824-19-000021 · edgardoc.xml · derivative · entry 1

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,794.6916

Underlying: Common Stock · 3,161.3155 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 03, 2018 Filed Nov 6, 2018 23:05 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionDividend Equivalent Rights · Derivative 172.8497 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000212 · edgardoc.xml · derivative · entry 3

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,633.3761

Underlying: Common Stock · 172.8497 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
November 03, 2018 Filed Nov 6, 2018 23:05 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Tax withholdingCommon Stock 967 $47.74 $46,164.58
Disclosure

SEC source: 0001266824-18-000212 · edgardoc.xml · nonDerivative · entry 2

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 273,403

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
November 03, 2018 Filed Nov 6, 2018 23:05 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 172 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000212 · edgardoc.xml · nonDerivative · entry 1

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 274,370

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
October 15, 2018 Filed Oct 17, 2018 23:13 UTC WESTERN DIGITAL CORP WDC · Entity 1010 GrantDividend Equivalent Rights · Derivative 2,205.3929 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000188 · edgardoc.xml · derivative · entry 1

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,806.2258

Underlying: Common Stock · 2,205.3929 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 37,926 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000159 · edgardoc.xml · nonDerivative · entry 1

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 274,198

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 04, 2018 Filed Aug 7, 2018 01:30 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionDividend Equivalent Rights · Derivative 673.6154 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000142 · edgardoc.xml · derivative · entry 9

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,600.8329

Underlying: Common Stock · 673.6154 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 04, 2018 Filed Aug 7, 2018 01:30 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Tax withholdingCommon Stock 3,894 $67.96 $264,636.24
Disclosure

SEC source: 0001266824-18-000142 · edgardoc.xml · nonDerivative · entry 6

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 236,272

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 04, 2018 Filed Aug 7, 2018 01:30 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 673 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000142 · edgardoc.xml · nonDerivative · entry 5

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 240,166

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 01:30 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionDividend Equivalent Rights · Derivative 406.9885 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000142 · edgardoc.xml · derivative · entry 8

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,274.4483

Underlying: Common Stock · 406.9885 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 01:30 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Tax withholdingCommon Stock 4,052 $67.96 $275,373.92
Disclosure

SEC source: 0001266824-18-000142 · edgardoc.xml · nonDerivative · entry 4

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 239,493

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 01:30 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 406 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000142 · edgardoc.xml · nonDerivative · entry 3

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 243,545

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 02, 2018 Filed Aug 7, 2018 01:30 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionDividend Equivalent Rights · Derivative 187.7396 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000142 · edgardoc.xml · derivative · entry 7

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,681.4368

Underlying: Common Stock · 187.7396 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 01:30 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Tax withholdingCommon Stock 3,998 $68.52 $273,942.96
Disclosure

SEC source: 0001266824-18-000142 · edgardoc.xml · nonDerivative · entry 2

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 243,139

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 01:30 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 187 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000142 · edgardoc.xml · nonDerivative · entry 1

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 247,137

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 25, 2018 Filed Jul 27, 2018 00:48 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionDividend Equivalent Rights · Derivative 4,688.566 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000129 · edgardoc.xml · derivative · entry 4

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,869.1764

Underlying: Common Stock · 4,688.566 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 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.

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 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.

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 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.

F5 · balance_after: The total number of derivative securities has been adjusted to reflect an additional 1,432.6056 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 00:48 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Tax withholdingCommon Stock 46,698 $75.63 $3,531,769.74
Disclosure

SEC source: 0001266824-18-000129 · edgardoc.xml · nonDerivative · entry 3

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 246,950

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

Read SEC document
July 25, 2018 Filed Jul 27, 2018 00:48 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 4,688 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000129 · edgardoc.xml · nonDerivative · entry 2

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 293,648

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 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 00:48 UTC WESTERN DIGITAL CORP WDC · Entity 1010 GrantCommon Stock 89,500 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000129 · edgardoc.xml · nonDerivative · entry 1

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 288,960

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

F2 · balance_after: Includes 525 share acquired under the Issuer's Employee Stock Purchase Plan on May 31, 2018.

Read SEC document
July 16, 2018 Filed Jul 19, 2018 00:58 UTC WESTERN DIGITAL CORP WDC · Entity 1010 GrantDividend Equivalent Rights · Derivative 1,609.3006 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000111 · edgardoc.xml · derivative · entry 1

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,125.1368

Underlying: Common Stock · 1,609.3006 shares

Expires not disclosed

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

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

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

Read SEC document
April 16, 2018 Filed Apr 18, 2018 23:43 UTC WESTERN DIGITAL CORP WDC · Entity 1010 GrantDividend Equivalent Rights · Derivative 1,386.6997 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000079 · edgardoc.xml · derivative · entry 1

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,515.8362

Underlying: Common Stock · 1,386.6997 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 07, 2018 Filed Mar 9, 2018 00:14 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionDividend Equivalent Rights · Derivative 5,258.9776 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000051 · edgardoc.xml · derivative · entry 5

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,129.1365

Underlying: Common Stock · 5,258.9776 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 $93.14 was also paid to the Reporting Person to settle a fractional dividend equivalent of 0.9776.

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 $93.14 was also paid to the Reporting Person to settle a fractional dividend equivalent of 0.9776.

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 $93.14 was also paid to the Reporting Person to settle a fractional dividend equivalent of 0.9776.

Read SEC document
March 07, 2018 Filed Mar 9, 2018 00:14 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Tax withholdingCommon Stock 42,411 $95.27 $4,040,495.97
Disclosure

SEC source: 0001266824-18-000051 · edgardoc.xml · nonDerivative · entry 3

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 198,935

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 00:14 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 5,258 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000051 · edgardoc.xml · nonDerivative · entry 2

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 241,346

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 $93.14 was also paid to the Reporting Person to settle a fractional dividend equivalent of 0.9776.

Read SEC document
March 06, 2018 Filed Mar 9, 2018 00:14 UTC WESTERN DIGITAL CORP WDC · Entity 1010 GrantDividend Equivalent Rights · Derivative 7,011.8441 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000051 · edgardoc.xml · derivative · entry 4

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,388.1141

Underlying: Common Stock · 7,011.8441 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 00:14 UTC WESTERN DIGITAL CORP WDC · Entity 1010 GrantCommon Stock 166,929 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000051 · edgardoc.xml · nonDerivative · entry 1

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 236,088

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 83,466 vested on March 7, 2018 and 83,463 will vest on March 7, 2019.

Read SEC document
January 16, 2018 Filed Jan 18, 2018 00:09 UTC WESTERN DIGITAL CORP WDC · Entity 1010 GrantDividend Equivalent Rights · Derivative 1,312.3685 $0.00 $0.00
Disclosure

SEC source: 0001266824-18-000016 · edgardoc.xml · derivative · entry 1

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,376.27

Underlying: Common Stock · 1,312.3685 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
December 19, 2017 Filed Dec 21, 2017 23:25 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionEmployee Stock Option (right to buy) · Derivative 1,401 $0.00 Strike: $68.53 $0.00
Disclosure

SEC source: 0001266824-17-000249 · edgardoc.xml · derivative · entry 3

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,210

Underlying: Common Stock · 1,401 shares

Expires 2022-11-03

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 August 8, 2016.

F2 · derivative.exercise_date: The option vested 25% one year from the grant date of 11/3/2015, 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 11/3/2019.

Read SEC document
December 19, 2017 Filed Dec 21, 2017 23:25 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 1,401 $85.00 $119,085.00
Disclosure

SEC source: 0001266824-17-000249 · edgardoc.xml · nonDerivative · entry 2

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,159

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 August 8, 2016.

Read SEC document
December 19, 2017 Filed Dec 21, 2017 23:25 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 1,401 $68.53 $96,010.53
Disclosure

SEC source: 0001266824-17-000249 · edgardoc.xml · nonDerivative · entry 1

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,560

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 August 8, 2016.

Read SEC document
November 13, 2017 Filed Nov 14, 2017 01:03 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionEmployee Stock Option (right to buy) · Derivative 487 $0.00 Strike: $68.49 $0.00
Disclosure

SEC source: 0001266824-17-000246 · edgardoc.xml · derivative · entry 3

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 487 shares

Expires 2020-08-14

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

F1 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 8, 2016.

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.

Read SEC document
November 13, 2017 Filed Nov 14, 2017 01:03 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 1,397 $88.13 $123,117.61
Disclosure

SEC source: 0001266824-17-000246 · edgardoc.xml · nonDerivative · entry 2

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,159

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 August 8, 2016.

Read SEC document
November 13, 2017 Filed Nov 14, 2017 01:03 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 487 $68.49 $33,354.63
Disclosure

SEC source: 0001266824-17-000246 · edgardoc.xml · nonDerivative · entry 1

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,556

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 August 8, 2016.

Read SEC document
November 03, 2017 Filed Nov 7, 2017 01:09 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionDividend Equivalent Rights · Derivative 120.9176 $0.00 $0.00
Disclosure

SEC source: 0001266824-17-000239 · edgardoc.xml · derivative · entry 3

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,063.9015

Underlying: Common Stock · 120.9176 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 $79.84 was also paid to the holder to settle a fractional dividend equivalent of 0.9176.

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 $79.84 was also paid to the holder to settle a fractional dividend equivalent of 0.9176.

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 $79.84 was also paid to the holder to settle a fractional dividend equivalent of 0.9176.

Read SEC document
November 03, 2017 Filed Nov 7, 2017 01:09 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Tax withholdingCommon Stock 991 $87.01 $86,226.91
Disclosure

SEC source: 0001266824-17-000239 · edgardoc.xml · nonDerivative · entry 2

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,069

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
November 03, 2017 Filed Nov 7, 2017 01:09 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 120 $0.00 $0.00
Disclosure

SEC source: 0001266824-17-000239 · edgardoc.xml · nonDerivative · entry 1

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 71,060

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 $79.84 was also paid to the holder to settle a fractional dividend equivalent of 0.9176.

Read SEC document
October 16, 2017 Filed Oct 17, 2017 01:54 UTC WESTERN DIGITAL CORP WDC · Entity 1010 GrantDividend Equivalent Rights · Derivative 1,271.412 $0.00 $0.00
Disclosure

SEC source: 0001266824-17-000208 · edgardoc.xml · derivative · entry 1

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,184.8191

Underlying: Common Stock · 1,271.412 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
September 18, 2017 Filed Sep 20, 2017 22:56 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionEmployee Stock Option (right to buy) · Derivative 1,401 $0.00 Strike: $68.53 $0.00
Disclosure

SEC source: 0001266824-17-000203 · edgardoc.xml · derivative · entry 6

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,611

Underlying: Common Stock · 1,401 shares

Expires 2022-11-03

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 August 8, 2016.

F5 · derivative.exercise_date: The option vested 25% one year from the grant date of 11/3/2015, and an additional 6.25% vested at the end of each three-month period through 8/3/2017. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 11/3/2019.

Read SEC document
September 18, 2017 Filed Sep 20, 2017 22:56 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionEmployee Stock Option (right to buy) · Derivative 4,959 $0.00 Strike: $68.49 $0.00
Disclosure

SEC source: 0001266824-17-000203 · edgardoc.xml · derivative · entry 5

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 487

Underlying: Common Stock · 4,959 shares

Expires 2020-08-14

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

F1 · kind: These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 8, 2016.

F4 · 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.

Read SEC document
September 18, 2017 Filed Sep 20, 2017 22:56 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 3,444 $89.11 $306,901.73
Disclosure

SEC source: 0001266824-17-000203 · edgardoc.xml · nonDerivative · entry 4

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,940

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 August 8, 2016.

F3 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $88.92 to a high of $89.27. 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
September 18, 2017 Filed Sep 20, 2017 22:56 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 5,960 $88.47 $527,308.62
Disclosure

SEC source: 0001266824-17-000203 · edgardoc.xml · nonDerivative · entry 3

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,384

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 August 8, 2016.

F2 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $87.90 to a high of $88.89. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Read SEC document
September 18, 2017 Filed Sep 20, 2017 22:56 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 4,959 $68.49 $339,641.91
Disclosure

SEC source: 0001266824-17-000203 · edgardoc.xml · nonDerivative · entry 2

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,344

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 August 8, 2016.

Read SEC document
September 18, 2017 Filed Sep 20, 2017 22:56 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 1,401 $68.53 $96,010.53
Disclosure

SEC source: 0001266824-17-000203 · edgardoc.xml · nonDerivative · entry 1

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,385

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 August 8, 2016.

Read SEC document
September 11, 2017 Filed Sep 13, 2017 23:37 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionDividend Equivalent Rights · Derivative 524.5371 $0.00 $0.00
Disclosure

SEC source: 0001266824-17-000196 · edgardoc.xml · derivative · entry 3

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,913.4071

Underlying: Common Stock · 524.5371 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 $46.93 was also paid to the holder to settle a fractional dividend equivalent of 0.5371.

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 $46.93 was also paid to the holder to settle a fractional dividend equivalent of 0.5371.

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 $46.93 was also paid to the holder to settle a fractional dividend equivalent of 0.5371.

Read SEC document
September 11, 2017 Filed Sep 13, 2017 23:37 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Tax withholdingCommon Stock 3,319 $87.38 $290,014.22
Disclosure

SEC source: 0001266824-17-000196 · edgardoc.xml · nonDerivative · entry 2

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,984

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
September 11, 2017 Filed Sep 13, 2017 23:37 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 524 $0.00 $0.00
Disclosure

SEC source: 0001266824-17-000196 · edgardoc.xml · nonDerivative · entry 1

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 77,303

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 $46.93 was also paid to the holder to settle a fractional dividend equivalent of 0.5371.

Read SEC document
August 14, 2017 Filed Aug 16, 2017 23:36 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 3,102 $82.72 $256,586.27
Disclosure

SEC source: 0001266824-17-000183 · edgardoc.xml · nonDerivative · entry 2

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,779

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 August 8, 2016.

F3 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $82.29 to a high of $83.01. 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.

Read SEC document
August 14, 2017 Filed Aug 16, 2017 23:36 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 568 $81.67 $46,388.56
Disclosure

SEC source: 0001266824-17-000183 · edgardoc.xml · nonDerivative · entry 1

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,881

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 August 8, 2016.

F2 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $81.17 to a high of $82.10. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

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August 04, 2017 Filed Aug 8, 2017 00:04 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionDividend Equivalent Rights · Derivative 490.7662 $0.00 $0.00
Disclosure

SEC source: 0001266824-17-000174 · edgardoc.xml · derivative · entry 6

CORDANO MICHAEL D · CIK 0001201490 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,437.9442

Underlying: Common Stock · 490.7662 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 $62.19 was also paid to the holder to settle a fractional dividend equivalent of 0.7662.

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 $62.19 was also paid to the holder to settle a fractional dividend equivalent of 0.7662.

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 $62.19 was also paid to the holder to settle a fractional dividend equivalent of 0.7662.

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