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A cash amount was also paid to the holder to settle a fractional dividend equivalent right."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"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.  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Trust assets are held through the Investment Company and the shares of the Investment Company are held for the Trust pursuant to a Declaration of Trust. 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Trust assets are held through the Investment Company and the shares of the Investment Company are held for the Trust pursuant to a Declaration of Trust. 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A cash amount was also paid to the holder to settle a fractional dividend equivalent right."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Since the date of the Reporting Person's last Form 4, the Reporting Person transferred 209,000 shares of the Issuer's common stock to the Reporting Person's personal investment company, organized under the laws of the Bahamas, of which the Reporting Person is the sole shareholder.  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A cash amount was also paid to the holder to settle a fractional dividend equivalent right."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"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.  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A cash amount was also paid to the holder to settle a fractional dividend equivalent right."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"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.  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A cash amount was also paid to the holder to settle a fractional dividend equivalent right."}],"balance_after":575979,"source":{"system":"sec-edgar","filing":"0001266824-26-000173","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000173/edgardoc.xml","form_type":"4"}},{"id":306346,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":1077,"kind":"person","name":"Tan Irving","position":1,"cik":"0001729518","reported_name":"Tan Irving","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-08-13T01:24:09.000Z","date":"2026-08-11","kind":"sale","planned":true,"acquired":false,"shares":1546,"price":447.1831,"value":691345.0726,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 5, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"Represents the weighted average sale price per share. 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A cash amount was also paid to the holder to settle a fractional dividend equivalent right."}],"balance_after":623597,"source":{"system":"sec-edgar","filing":"0001266824-26-000020","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000020/edgardoc.xml","form_type":"4"}},{"id":314445,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":1077,"kind":"person","name":"Tan Irving","position":1,"cik":"0001729518","reported_name":"Tan Irving","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-02-04T23:17:08.000Z","date":"2026-02-02","kind":"sale","planned":true,"acquired":false,"shares":400,"price":250.71,"value":100284.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F15","text":"Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices\nranging from a low of $250.62 to a high of $250.80. 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."}],"balance_after":623586,"source":{"system":"sec-edgar","filing":"0001266824-26-000005","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":17,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000005/edgardoc.xml","form_type":"4"}},{"id":314444,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":1077,"kind":"person","name":"Tan Irving","position":1,"cik":"0001729518","reported_name":"Tan Irving","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-02-04T23:17:08.000Z","date":"2026-02-02","kind":"sale","planned":true,"acquired":false,"shares":100,"price":262.55,"value":26255.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025."}],"balance_after":623986,"source":{"system":"sec-edgar","filing":"0001266824-26-000005","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000005/edgardoc.xml","form_type":"4"}},{"id":314443,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":1077,"kind":"person","name":"Tan Irving","position":1,"cik":"0001729518","reported_name":"Tan Irving","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-02-04T23:17:08.000Z","date":"2026-02-02","kind":"sale","planned":true,"acquired":false,"shares":3626,"price":261.8351,"value":949414.0726,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F14","text":"Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $261.50 to a high of $262.41. 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."}],"balance_after":624086,"source":{"system":"sec-edgar","filing":"0001266824-26-000005","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000005/edgardoc.xml","form_type":"4"}},{"id":314442,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":1077,"kind":"person","name":"Tan Irving","position":1,"cik":"0001729518","reported_name":"Tan Irving","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-02-04T23:17:08.000Z","date":"2026-02-02","kind":"sale","planned":true,"acquired":false,"shares":2444,"price":260.8377,"value":637487.3388,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F13","text":"Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $260.45 to a high of $261.37. 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."}],"balance_after":627712,"source":{"system":"sec-edgar","filing":"0001266824-26-000005","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000005/edgardoc.xml","form_type":"4"}},{"id":314441,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":1077,"kind":"person","name":"Tan Irving","position":1,"cik":"0001729518","reported_name":"Tan Irving","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-02-04T23:17:08.000Z","date":"2026-02-02","kind":"sale","planned":true,"acquired":false,"shares":2250,"price":259.9268,"value":584835.3,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F12","text":"Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices\nranging from a low of $259.40 to a high of $260.35. 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."}],"balance_after":630156,"source":{"system":"sec-edgar","filing":"0001266824-26-000005","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000005/edgardoc.xml","form_type":"4"}},{"id":314440,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":1077,"kind":"person","name":"Tan Irving","position":1,"cik":"0001729518","reported_name":"Tan Irving","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-02-04T23:17:08.000Z","date":"2026-02-02","kind":"sale","planned":true,"acquired":false,"shares":2096,"price":258.6534,"value":542137.5264,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F11","text":"Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices\nranging from a low of $258.29 to a high of $258.96. 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."}],"balance_after":632406,"source":{"system":"sec-edgar","filing":"0001266824-26-000005","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000005/edgardoc.xml","form_type":"4"}},{"id":314439,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":1077,"kind":"person","name":"Tan Irving","position":1,"cik":"0001729518","reported_name":"Tan Irving","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-02-04T23:17:08.000Z","date":"2026-02-02","kind":"sale","planned":true,"acquired":false,"shares":1500,"price":257.8168,"value":386725.2,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F10","text":"Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices\nranging from a low of $257.29 to a high of $258.20. 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."}],"balance_after":634502,"source":{"system":"sec-edgar","filing":"0001266824-26-000005","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000005/edgardoc.xml","form_type":"4"}},{"id":314438,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":1077,"kind":"person","name":"Tan Irving","position":1,"cik":"0001729518","reported_name":"Tan Irving","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-02-04T23:17:08.000Z","date":"2026-02-02","kind":"sale","planned":true,"acquired":false,"shares":1000,"price":256.761,"value":256761.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices\nranging from a low of $256.25 to a high of $257.19. 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."}],"balance_after":636002,"source":{"system":"sec-edgar","filing":"0001266824-26-000005","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000005/edgardoc.xml","form_type":"4"}},{"id":314437,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":1077,"kind":"person","name":"Tan Irving","position":1,"cik":"0001729518","reported_name":"Tan Irving","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-02-04T23:17:08.000Z","date":"2026-02-02","kind":"sale","planned":true,"acquired":false,"shares":100,"price":255,"value":25500.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025."}],"balance_after":637002,"source":{"system":"sec-edgar","filing":"0001266824-26-000005","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000005/edgardoc.xml","form_type":"4"}},{"id":314436,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":1077,"kind":"person","name":"Tan Irving","position":1,"cik":"0001729518","reported_name":"Tan Irving","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-02-04T23:17:08.000Z","date":"2026-02-02","kind":"sale","planned":true,"acquired":false,"shares":100,"price":253.4,"value":25340.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025."}],"balance_after":637102,"source":{"system":"sec-edgar","filing":"0001266824-26-000005","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000005/edgardoc.xml","form_type":"4"}},{"id":314435,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":1077,"kind":"person","name":"Tan Irving","position":1,"cik":"0001729518","reported_name":"Tan Irving","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-02-04T23:17:08.000Z","date":"2026-02-02","kind":"sale","planned":true,"acquired":false,"shares":1000,"price":252.151,"value":252151.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices\nranging from a low of $252.00 to a high of $252.68. 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."}],"balance_after":637202,"source":{"system":"sec-edgar","filing":"0001266824-26-000005","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000005/edgardoc.xml","form_type":"4"}},{"id":314434,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":1077,"kind":"person","name":"Tan Irving","position":1,"cik":"0001729518","reported_name":"Tan Irving","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-02-04T23:17:08.000Z","date":"2026-02-02","kind":"sale","planned":true,"acquired":false,"shares":200,"price":249.485,"value":49897.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices\nranging from a low of $249.39 to a high of $249.58. 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."}],"balance_after":638202,"source":{"system":"sec-edgar","filing":"0001266824-26-000005","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000005/edgardoc.xml","form_type":"4"}},{"id":314433,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":1077,"kind":"person","name":"Tan Irving","position":1,"cik":"0001729518","reported_name":"Tan Irving","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-02-04T23:17:08.000Z","date":"2026-02-02","kind":"sale","planned":true,"acquired":false,"shares":1100,"price":248.9518,"value":273846.98,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices\nranging from a low of $248.24 to a high of $249.16. 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."}],"balance_after":638402,"source":{"system":"sec-edgar","filing":"0001266824-26-000005","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000005/edgardoc.xml","form_type":"4"}},{"id":314432,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":1077,"kind":"person","name":"Tan Irving","position":1,"cik":"0001729518","reported_name":"Tan Irving","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-02-04T23:17:08.000Z","date":"2026-02-02","kind":"sale","planned":true,"acquired":false,"shares":1005,"price":247.2636,"value":248499.918,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices\nranging from a low of $246.98 to a high of $247.82. 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."}],"balance_after":639502,"source":{"system":"sec-edgar","filing":"0001266824-26-000005","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000005/edgardoc.xml","form_type":"4"}},{"id":314431,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":1077,"kind":"person","name":"Tan Irving","position":1,"cik":"0001729518","reported_name":"Tan Irving","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-02-04T23:17:08.000Z","date":"2026-02-02","kind":"sale","planned":true,"acquired":false,"shares":800,"price":245.005,"value":196004.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $244.66 to a high of $245.29. 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."}],"balance_after":640507,"source":{"system":"sec-edgar","filing":"0001266824-26-000005","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000005/edgardoc.xml","form_type":"4"}},{"id":314430,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":1077,"kind":"person","name":"Tan Irving","position":1,"cik":"0001729518","reported_name":"Tan Irving","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-02-04T23:17:08.000Z","date":"2026-02-02","kind":"sale","planned":true,"acquired":false,"shares":1298,"price":243.5023,"value":316065.9854,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $243.29 to a high of $243.52. 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."}],"balance_after":641307,"source":{"system":"sec-edgar","filing":"0001266824-26-000005","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000005/edgardoc.xml","form_type":"4"}},{"id":314429,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":1077,"kind":"person","name":"Tan Irving","position":1,"cik":"0001729518","reported_name":"Tan Irving","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-02-04T23:17:08.000Z","date":"2026-02-02","kind":"sale","planned":true,"acquired":false,"shares":981,"price":242.2291,"value":237626.7471,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $242.02 to a high of $242.68. 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A cash amount was also paid to the holder to settle a fractional dividend equivalent right."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"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.  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