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Davis Brian Scott

Disclosed activity across 1 company

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14224
SEC CIK
0002057091

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
WESTERN DIGITAL CORPWDC · Entity 1010Chief Sales & Mrktng OfficerSeptember 17, 2026September 21, 2026

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.

WESTERN DIGITAL CORP

Report date September 17, 2026 · Filed September 21, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect99,491.352 Ending reported balance After 2026-09-20 transaction · row 2
2 source rows · reconciled sequence

Row 1 · 2026-09-20 · Exercise / conversion · Acquired 8.386 · Balance 100,454.386

F1: The dividend equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

Row 2 · 2026-09-20 · Tax withholding · Disposed 963.034 · Balance 99,491.352

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

Dividend Equivalent RightsSEC Table II · derivative / convertible securityDirect174.0694 Reported balance After 2026-09-17 transaction · row 3 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 3 · 2026-09-17 · Grant · Acquired 16.8107 · Balance 174.0694

F3: 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.

Dividend Equivalent RightsSEC Table II · derivative / convertible securityDirect165.6831 Reported balance After 2026-09-20 transaction · row 4 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 4 · 2026-09-20 · Exercise / conversion · Disposed 8.3863 · Balance 165.6831

F1: The dividend equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

Filing footnotes · ownership attribution and instrument terms

F1: The dividend equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

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

F3: 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
May 11, 2026 Filed May 13, 2026 01:06 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 160 $493.33 $78,933.41
Disclosure

SEC source: 0001266824-26-000086 · edgardoc.xml · nonDerivative · entry 4

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 113,502

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 November 3, 2025.

F5 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $492.8600 to a high of $493.8550. 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
May 11, 2026 Filed May 13, 2026 01:06 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 120 $491.13 $58,936.00
Disclosure

SEC source: 0001266824-26-000086 · edgardoc.xml · nonDerivative · entry 3

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 113,662

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 November 3, 2025.

F4 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $491.1050 to a high of $491.1900. 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
May 11, 2026 Filed May 13, 2026 01:06 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 107 $490.49 $52,482.00
Disclosure

SEC source: 0001266824-26-000086 · edgardoc.xml · nonDerivative · entry 2

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 113,782

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 November 3, 2025.

F3 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $490.0000 to a high of $490.6500. 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
May 11, 2026 Filed May 13, 2026 01:06 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 1,675 $489.78 $820,379.49
Disclosure

SEC source: 0001266824-26-000086 · edgardoc.xml · nonDerivative · entry 1

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 113,889

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 November 3, 2025.

F2 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $488.9450 to a high of $489.9200. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Read SEC document
March 20, 2026 Filed Mar 24, 2026 21:53 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionDividend Equivalent Rights · Derivative 7.2867 $0.00 $0.00
Disclosure

SEC source: 0001266824-26-000072 · primary_doc.xml · derivative · entry 3

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 210.1383

Underlying: Common Stock · 7.2867 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 equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

F1 · derivative.exercise_date: The dividend equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

F1 · derivative.expiration_date: The dividend equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

Read SEC document
March 20, 2026 Filed Mar 24, 2026 21:53 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Tax withholdingCommon Stock 961 $293.10 $281,669.10
Disclosure

SEC source: 0001266824-26-000072 · primary_doc.xml · nonDerivative · entry 2

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 115,564

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 20, 2026 Filed Mar 24, 2026 21:53 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 7 $0.00 $0.00
Disclosure

SEC source: 0001266824-26-000072 · primary_doc.xml · nonDerivative · entry 1

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 116,525

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 equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

Read SEC document
March 18, 2026 Filed Mar 19, 2026 22:41 UTC WESTERN DIGITAL CORP WDC · Entity 1010 GrantDividend Equivalent Rights · Derivative 26.1629 $0.00 $0.00
Disclosure

SEC source: 0001266824-26-000059 · edgardoc.xml · derivative · entry 1

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 217.425

Underlying: Common Stock · 26.1629 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 03, 2026 Filed Mar 6, 2026 00:54 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionDividend Equivalent Rights · Derivative 23.8133 $0.00 $0.00
Disclosure

SEC source: 0001266824-26-000036 · edgardoc.xml · derivative · entry 3

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 191.2621

Underlying: Common Stock · 23.8133 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 equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

F1 · derivative.exercise_date: The dividend equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

F1 · derivative.expiration_date: The dividend equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

Read SEC document
March 03, 2026 Filed Mar 6, 2026 00:54 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Tax withholdingCommon Stock 3,526 $250.61 $883,650.86
Disclosure

SEC source: 0001266824-26-000036 · edgardoc.xml · nonDerivative · entry 2

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 116,518

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 03, 2026 Filed Mar 6, 2026 00:54 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 23 $0.00 $0.00
Disclosure

SEC source: 0001266824-26-000036 · edgardoc.xml · nonDerivative · entry 1

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 120,044

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 equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

Read SEC document
February 25, 2026 Filed Feb 27, 2026 21:57 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionDividend Equivalent Rights · Derivative 6.5619 $0.00 $0.00
Disclosure

SEC source: 0001266824-26-000026 · edgardoc.xml · derivative · entry 3

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 215.0754

Underlying: Common Stock · 6.5619 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 equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

F1 · derivative.exercise_date: The dividend equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

F1 · derivative.expiration_date: The dividend equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

Read SEC document
February 25, 2026 Filed Feb 27, 2026 21:57 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Tax withholdingCommon Stock 849 $290.95 $247,016.55
Disclosure

SEC source: 0001266824-26-000026 · edgardoc.xml · nonDerivative · entry 2

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 120,021

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
February 25, 2026 Filed Feb 27, 2026 21:57 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 6 $0.00 $0.00
Disclosure

SEC source: 0001266824-26-000026 · edgardoc.xml · nonDerivative · entry 1

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 120,870

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 equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

Read SEC document
February 21, 2026 Filed Feb 24, 2026 22:43 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionDividend Equivalent Rights · Derivative 4.0096 $0.00 $0.00
Disclosure

SEC source: 0001266824-26-000018 · edgardoc.xml · derivative · entry 6

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 221.6373

Underlying: Common Stock · 4.0096 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 equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

F1 · derivative.exercise_date: The dividend equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

F1 · derivative.expiration_date: The dividend equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

Read SEC document
February 21, 2026 Filed Feb 24, 2026 22:43 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Tax withholdingCommon Stock 414 $285.52 $118,205.28
Disclosure

SEC source: 0001266824-26-000018 · edgardoc.xml · nonDerivative · entry 4

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 120,864

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
February 21, 2026 Filed Feb 24, 2026 22:43 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 4 $0.00 $0.00
Disclosure

SEC source: 0001266824-26-000018 · edgardoc.xml · nonDerivative · entry 3

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 121,278

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 equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

Read SEC document
February 20, 2026 Filed Feb 24, 2026 22:43 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionDividend Equivalent Rights · Derivative 4.8359 $0.00 $0.00
Disclosure

SEC source: 0001266824-26-000018 · edgardoc.xml · derivative · entry 5

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 225.6469

Underlying: Common Stock · 4.8359 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 equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

F1 · derivative.exercise_date: The dividend equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

F1 · derivative.expiration_date: The dividend equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

Read SEC document
February 20, 2026 Filed Feb 24, 2026 22:43 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Tax withholdingCommon Stock 522 $285.52 $149,041.44
Disclosure

SEC source: 0001266824-26-000018 · edgardoc.xml · nonDerivative · entry 2

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 121,274

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
February 20, 2026 Filed Feb 24, 2026 22:43 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 4 $0.00 $0.00
Disclosure

SEC source: 0001266824-26-000018 · edgardoc.xml · nonDerivative · entry 1

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 121,796

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 equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

Read SEC document
February 17, 2026 Filed Feb 19, 2026 22:25 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 915 $285.01 $260,781.77
Disclosure

SEC source: 0001266824-26-000013 · edgardoc.xml · nonDerivative · entry 12

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 121,792

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 November 3, 2025.

F13 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $284.96 to a high of $285.35. 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
February 17, 2026 Filed Feb 19, 2026 22:25 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 400 $283.93 $113,572.00
Disclosure

SEC source: 0001266824-26-000013 · edgardoc.xml · nonDerivative · entry 11

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 122,707

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 November 3, 2025.

F12 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $283.65 to a high of $284.21. 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
February 17, 2026 Filed Feb 19, 2026 22:25 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 902 $282.66 $254,957.70
Disclosure

SEC source: 0001266824-26-000013 · edgardoc.xml · nonDerivative · entry 10

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 123,107

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 November 3, 2025.

F11 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $282.35 to a high of $282.99. 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
February 17, 2026 Filed Feb 19, 2026 22:25 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 995 $282.00 $280,585.32
Disclosure

SEC source: 0001266824-26-000013 · edgardoc.xml · nonDerivative · entry 9

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 124,009

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 November 3, 2025.

F10 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $281.34 to a high of $282.19. 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
February 17, 2026 Filed Feb 19, 2026 22:25 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 929 $280.83 $260,892.37
Disclosure

SEC source: 0001266824-26-000013 · edgardoc.xml · nonDerivative · entry 8

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 125,004

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 November 3, 2025.

F9 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $280.29 to a high of $281.21. 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
February 17, 2026 Filed Feb 19, 2026 22:25 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 406 $279.53 $113,489.99
Disclosure

SEC source: 0001266824-26-000013 · edgardoc.xml · nonDerivative · entry 7

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 125,933

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 November 3, 2025.

F8 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $279.12 to a high of $280.00. 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
February 17, 2026 Filed Feb 19, 2026 22:25 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 972 $278.28 $270,490.30
Disclosure

SEC source: 0001266824-26-000013 · edgardoc.xml · nonDerivative · entry 6

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 126,339

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 3, 2025.

F7 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $277.93 to a high of $278.71. 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
February 17, 2026 Filed Feb 19, 2026 22:25 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 2,129 $277.37 $590,511.58
Disclosure

SEC source: 0001266824-26-000013 · edgardoc.xml · nonDerivative · entry 5

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 127,311

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 November 3, 2025.

F6 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $276.81 to a high of $277.75. 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
February 17, 2026 Filed Feb 19, 2026 22:25 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 540 $276.22 $149,157.88
Disclosure

SEC source: 0001266824-26-000013 · edgardoc.xml · nonDerivative · entry 4

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 129,440

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 November 3, 2025.

F5 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $275.76 to a high of $276.55. 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
February 17, 2026 Filed Feb 19, 2026 22:25 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 870 $275.12 $239,353.27
Disclosure

SEC source: 0001266824-26-000013 · edgardoc.xml · nonDerivative · entry 3

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 129,980

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 November 3, 2025.

F4 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $274.69 to a high of $275.5850. 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
February 17, 2026 Filed Feb 19, 2026 22:25 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 600 $274.09 $164,454.00
Disclosure

SEC source: 0001266824-26-000013 · edgardoc.xml · nonDerivative · entry 2

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 130,850

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 November 3, 2025.

F3 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $273.62 to a high of $274.4950. 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
February 17, 2026 Filed Feb 19, 2026 22:25 UTC WESTERN DIGITAL CORP WDC · Entity 1010 SaleCommon Stock 342 $272.97 $93,356.80
Disclosure

SEC source: 0001266824-26-000013 · edgardoc.xml · nonDerivative · entry 1

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 131,450

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 November 3, 2025.

F2 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $272.3250 to a high of $273.31. 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
December 20, 2025 Filed Dec 22, 2025 21:50 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionDividend Equivalent Rights · Derivative 6.4982 $0.00 $0.00
Disclosure

SEC source: 0001266824-25-000282 · edgardoc.xml · derivative · entry 4

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 230.4828

Underlying: Common Stock · 6.4982 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 equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

F1 · derivative.exercise_date: The dividend equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

F1 · derivative.expiration_date: The dividend equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

Read SEC document
December 20, 2025 Filed Dec 22, 2025 21:50 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Tax withholdingCommon Stock 962 $181.08 $174,198.96
Disclosure

SEC source: 0001266824-25-000282 · edgardoc.xml · nonDerivative · entry 2

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 131,792

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
December 20, 2025 Filed Dec 22, 2025 21:50 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 6 $0.00 $0.00
Disclosure

SEC source: 0001266824-25-000282 · edgardoc.xml · nonDerivative · entry 1

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 132,754

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 equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

Read SEC document
December 18, 2025 Filed Dec 22, 2025 21:50 UTC WESTERN DIGITAL CORP WDC · Entity 1010 GrantDividend Equivalent Rights · Derivative 55.2985 $0.00 $0.00
Disclosure

SEC source: 0001266824-25-000282 · edgardoc.xml · derivative · entry 3

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 236.981

Underlying: Common Stock · 55.2985 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.

Read SEC document
November 25, 2025 Filed Nov 26, 2025 21:36 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionDividend Equivalent Rights · Derivative 5.1626 $0.00 $0.00
Disclosure

SEC source: 0001266824-25-000253 · edgardoc.xml · derivative · entry 3

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 181.6825

Underlying: Common Stock · 5.1626 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 equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

F1 · derivative.exercise_date: The dividend equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

F1 · derivative.expiration_date: The dividend equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

Read SEC document
November 25, 2025 Filed Nov 26, 2025 21:36 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Tax withholdingCommon Stock 971 $155.41 $150,903.11
Disclosure

SEC source: 0001266824-25-000253 · edgardoc.xml · nonDerivative · entry 2

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 132,748

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 25, 2025 Filed Nov 26, 2025 21:36 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 5 $0.00 $0.00
Disclosure

SEC source: 0001266824-25-000253 · edgardoc.xml · nonDerivative · entry 1

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 133,719

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 equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

Read SEC document
November 21, 2025 Filed Nov 24, 2025 22:45 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionDividend Equivalent Rights · Derivative 3.152 $0.00 $0.00
Disclosure

SEC source: 0001266824-25-000240 · edgardoc.xml · derivative · entry 6

Davis Brian Scott · CIK 0002057091 · Chief Sales & Marketing Office

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 186.8451

Underlying: Common Stock · 3.152 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 equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

F1 · derivative.exercise_date: The dividend equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

F1 · derivative.expiration_date: The dividend equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

Read SEC document
November 21, 2025 Filed Nov 24, 2025 22:45 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Tax withholdingCommon Stock 592 $139.19 $82,400.48
Disclosure

SEC source: 0001266824-25-000240 · edgardoc.xml · nonDerivative · entry 4

Davis Brian Scott · CIK 0002057091 · Chief Sales & Marketing Office

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 133,714

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 21, 2025 Filed Nov 24, 2025 22:45 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 3 $0.00 $0.00
Disclosure

SEC source: 0001266824-25-000240 · edgardoc.xml · nonDerivative · entry 3

Davis Brian Scott · CIK 0002057091 · Chief Sales & Marketing Office

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 134,306

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 equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

Read SEC document
November 20, 2025 Filed Nov 24, 2025 22:45 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionDividend Equivalent Rights · Derivative 3.8072 $0.00 $0.00
Disclosure

SEC source: 0001266824-25-000240 · edgardoc.xml · derivative · entry 5

Davis Brian Scott · CIK 0002057091 · Chief Sales & Marketing Office

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 189.9971

Underlying: Common Stock · 3.8072 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 equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

F1 · derivative.exercise_date: The dividend equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

F1 · derivative.expiration_date: The dividend equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

Read SEC document
November 20, 2025 Filed Nov 24, 2025 22:45 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Tax withholdingCommon Stock 715 $140.23 $100,264.45
Disclosure

SEC source: 0001266824-25-000240 · edgardoc.xml · nonDerivative · entry 2

Davis Brian Scott · CIK 0002057091 · Chief Sales & Marketing Office

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 134,303

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 20, 2025 Filed Nov 24, 2025 22:45 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 3 $0.00 $0.00
Disclosure

SEC source: 0001266824-25-000240 · edgardoc.xml · nonDerivative · entry 1

Davis Brian Scott · CIK 0002057091 · Chief Sales & Marketing Office

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 135,018

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 equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

Read SEC document
September 20, 2025 Filed Sep 22, 2025 22:24 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionDividend Equivalent Rights · Derivative 5.1098 $0.00 $0.00
Disclosure

SEC source: 0001266824-25-000199 · edgardoc.xml · derivative · entry 4

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 193.8043

Underlying: Common Stock · 5.1098 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 equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

F1 · derivative.exercise_date: The dividend equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

F1 · derivative.expiration_date: The dividend equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

Read SEC document
September 20, 2025 Filed Sep 22, 2025 22:24 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Tax withholdingCommon Stock 961 $106.63 $102,471.43
Disclosure

SEC source: 0001266824-25-000199 · edgardoc.xml · nonDerivative · entry 2

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 135,015

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 20, 2025 Filed Sep 22, 2025 22:24 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionCommon Stock 5 $0.00 $0.00
Disclosure

SEC source: 0001266824-25-000199 · edgardoc.xml · nonDerivative · entry 1

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 135,976

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 equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

Read SEC document
September 18, 2025 Filed Sep 22, 2025 22:24 UTC WESTERN DIGITAL CORP WDC · Entity 1010 GrantDividend Equivalent Rights · Derivative 79.7733 $0.00 $0.00
Disclosure

SEC source: 0001266824-25-000199 · edgardoc.xml · derivative · entry 3

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 198.9141

Underlying: Common Stock · 79.7733 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.

Read SEC document
August 27, 2025 Filed Aug 28, 2025 22:25 UTC WESTERN DIGITAL CORP WDC · Entity 1010 Exercise / conversionDividend Equivalent Rights · Derivative 1.5019 $0.00 $0.00
Disclosure

SEC source: 0001266824-25-000174 · edgardoc.xml · derivative · entry 4

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktg Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 119.1408

Underlying: Common Stock · 1.5019 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 equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

F2 · derivative.exercise_date: The dividend equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

F2 · derivative.expiration_date: The dividend equivalent rights 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

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.