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A cash amount was also paid to the holder to settle a fractional dividend equivalent right."}],"balance_after":104857,"source":{"system":"sec-edgar","filing":"0001266824-26-000095","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000095/edgardoc.xml","form_type":"4"}},{"id":309195,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-05-22T23:23:29.000Z","date":"2026-05-20","kind":"tax_withholding","planned":false,"acquired":false,"shares":716,"price":459.62,"value":329087.92,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e)."}],"balance_after":104853,"source":{"system":"sec-edgar","filing":"0001266824-26-000095","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000095/edgardoc.xml","form_type":"4"}},{"id":309194,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-05-22T23:23:29.000Z","date":"2026-05-20","kind":"exercise","planned":false,"acquired":true,"shares":5,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","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."}],"balance_after":105569,"source":{"system":"sec-edgar","filing":"0001266824-26-000095","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000095/edgardoc.xml","form_type":"4"}},{"id":309779,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-05-13T01:06:30.000Z","date":"2026-05-11","kind":"sale","planned":true,"acquired":false,"shares":301,"price":510.0009,"value":153510.2709,"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 November 3, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F16","text":"Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $509.8600 to a high of $510.3800. 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":105564,"source":{"system":"sec-edgar","filing":"0001266824-26-000086","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":18,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000086/edgardoc.xml","form_type":"4"}},{"id":309778,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-05-13T01:06:30.000Z","date":"2026-05-11","kind":"sale","planned":true,"acquired":false,"shares":751,"price":509.1757,"value":382390.9507,"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 November 3, 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 ranging from a low of $508.6800 to a high of $509.6500. 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."}],"balance_after":105865,"source":{"system":"sec-edgar","filing":"0001266824-26-000086","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":17,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000086/edgardoc.xml","form_type":"4"}},{"id":309777,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-05-13T01:06:30.000Z","date":"2026-05-11","kind":"sale","planned":true,"acquired":false,"shares":17,"price":507.68,"value":8630.56,"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 November 3, 2025."}],"balance_after":106616,"source":{"system":"sec-edgar","filing":"0001266824-26-000086","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000086/edgardoc.xml","form_type":"4"}},{"id":309776,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-05-13T01:06:30.000Z","date":"2026-05-11","kind":"sale","planned":true,"acquired":false,"shares":386,"price":506.9181,"value":195670.3866,"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 November 3, 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 $506.5000 to a high of $507.3000. 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":106633,"source":{"system":"sec-edgar","filing":"0001266824-26-000086","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000086/edgardoc.xml","form_type":"4"}},{"id":309775,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-05-13T01:06:30.000Z","date":"2026-05-11","kind":"sale","planned":true,"acquired":false,"shares":562,"price":505.2479,"value":283949.3198,"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 November 3, 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 $505.0000 to a high of $505.4200. 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":107019,"source":{"system":"sec-edgar","filing":"0001266824-26-000086","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000086/edgardoc.xml","form_type":"4"}},{"id":309774,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-05-13T01:06:30.000Z","date":"2026-05-11","kind":"sale","planned":true,"acquired":false,"shares":1617,"price":504.1022,"value":815133.2574,"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 November 3, 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 ranging from a low of $504.0000 to a high of $504.7800. 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":107581,"source":{"system":"sec-edgar","filing":"0001266824-26-000086","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000086/edgardoc.xml","form_type":"4"}},{"id":309773,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-05-13T01:06:30.000Z","date":"2026-05-11","kind":"sale","planned":true,"acquired":false,"shares":876,"price":503.568,"value":441125.568,"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 November 3, 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 ranging from a low of $503.0000 to a high of $503.9300. 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":109198,"source":{"system":"sec-edgar","filing":"0001266824-26-000086","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000086/edgardoc.xml","form_type":"4"}},{"id":309772,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-05-13T01:06:30.000Z","date":"2026-05-11","kind":"sale","planned":true,"acquired":false,"shares":745,"price":502.4897,"value":374354.8265,"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 November 3, 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 ranging from a low of $501.8600 to a high of $502.7000. 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":110074,"source":{"system":"sec-edgar","filing":"0001266824-26-000086","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000086/edgardoc.xml","form_type":"4"}},{"id":309771,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-05-13T01:06:30.000Z","date":"2026-05-11","kind":"sale","planned":true,"acquired":false,"shares":966,"price":501.4428,"value":484393.7448,"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 November 3, 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 ranging from a low of $500.7800 to a high of $501.7300. 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":110819,"source":{"system":"sec-edgar","filing":"0001266824-26-000086","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000086/edgardoc.xml","form_type":"4"}},{"id":309770,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-05-13T01:06:30.000Z","date":"2026-05-11","kind":"sale","planned":true,"acquired":false,"shares":996,"price":500.1821,"value":498181.3716,"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 November 3, 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 ranging from a low of $499.6500 to a high of $500.6000. 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":111785,"source":{"system":"sec-edgar","filing":"0001266824-26-000086","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000086/edgardoc.xml","form_type":"4"}},{"id":309769,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-05-13T01:06:30.000Z","date":"2026-05-11","kind":"sale","planned":true,"acquired":false,"shares":401,"price":499.0243,"value":200108.7443,"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 November 3, 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 ranging from a low of $498.6450 to a high of $499.6300. 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":112781,"source":{"system":"sec-edgar","filing":"0001266824-26-000086","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000086/edgardoc.xml","form_type":"4"}},{"id":309768,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-05-13T01:06:30.000Z","date":"2026-05-11","kind":"sale","planned":true,"acquired":false,"shares":160,"price":497.1788,"value":79548.608,"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 November 3, 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 ranging from a low of $497.0900 to a high of $497.3950. 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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.  A cash amount was also paid to the holder to settle a fractional dividend equivalent right."}],"balance_after":225.6469,"derivative":{"underlying":"Common Stock","underlying_shares":4.8359},"source":{"system":"sec-edgar","filing":"0001266824-26-000018","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000018/edgardoc.xml","form_type":"4"}},{"id":312801,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-02-24T22:43:46.000Z","date":"2026-02-21","kind":"tax_withholding","planned":false,"acquired":false,"shares":414,"price":285.52,"value":118205.28,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e)."}],"balance_after":120864,"source":{"system":"sec-edgar","filing":"0001266824-26-000018","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000018/edgardoc.xml","form_type":"4"}},{"id":312800,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-02-24T22:43:46.000Z","date":"2026-02-21","kind":"exercise","planned":false,"acquired":true,"shares":4,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","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."}],"balance_after":121278,"source":{"system":"sec-edgar","filing":"0001266824-26-000018","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000018/edgardoc.xml","form_type":"4"}},{"id":312799,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-02-24T22:43:46.000Z","date":"2026-02-20","kind":"tax_withholding","planned":false,"acquired":false,"shares":522,"price":285.52,"value":149041.44,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e)."}],"balance_after":121274,"source":{"system":"sec-edgar","filing":"0001266824-26-000018","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000018/edgardoc.xml","form_type":"4"}},{"id":312798,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-02-24T22:43:46.000Z","date":"2026-02-20","kind":"exercise","planned":false,"acquired":true,"shares":4,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","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."}],"balance_after":121796,"source":{"system":"sec-edgar","filing":"0001266824-26-000018","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000018/edgardoc.xml","form_type":"4"}},{"id":313088,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-02-19T22:25:40.000Z","date":"2026-02-17","kind":"sale","planned":true,"acquired":false,"shares":915,"price":285.0074,"value":260781.771,"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 November 3, 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\nranging 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."}],"balance_after":121792,"source":{"system":"sec-edgar","filing":"0001266824-26-000013","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000013/edgardoc.xml","form_type":"4"}},{"id":313087,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-02-19T22:25:40.000Z","date":"2026-02-17","kind":"sale","planned":true,"acquired":false,"shares":400,"price":283.93,"value":113572.0,"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 November 3, 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 $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."}],"balance_after":122707,"source":{"system":"sec-edgar","filing":"0001266824-26-000013","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000013/edgardoc.xml","form_type":"4"}},{"id":313086,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-02-19T22:25:40.000Z","date":"2026-02-17","kind":"sale","planned":true,"acquired":false,"shares":902,"price":282.6582,"value":254957.6964,"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 November 3, 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 $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."}],"balance_after":123107,"source":{"system":"sec-edgar","filing":"0001266824-26-000013","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000013/edgardoc.xml","form_type":"4"}},{"id":313085,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-02-19T22:25:40.000Z","date":"2026-02-17","kind":"sale","planned":true,"acquired":false,"shares":995,"price":281.9953,"value":280585.3235,"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 November 3, 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 $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."}],"balance_after":124009,"source":{"system":"sec-edgar","filing":"0001266824-26-000013","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000013/edgardoc.xml","form_type":"4"}},{"id":313084,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-02-19T22:25:40.000Z","date":"2026-02-17","kind":"sale","planned":true,"acquired":false,"shares":929,"price":280.8314,"value":260892.3706,"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 November 3, 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 $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."}],"balance_after":125004,"source":{"system":"sec-edgar","filing":"0001266824-26-000013","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000013/edgardoc.xml","form_type":"4"}},{"id":313083,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-02-19T22:25:40.000Z","date":"2026-02-17","kind":"sale","planned":true,"acquired":false,"shares":406,"price":279.532,"value":113489.992,"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 November 3, 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 $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."}],"balance_after":125933,"source":{"system":"sec-edgar","filing":"0001266824-26-000013","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000013/edgardoc.xml","form_type":"4"}},{"id":313082,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-02-19T22:25:40.000Z","date":"2026-02-17","kind":"sale","planned":true,"acquired":false,"shares":972,"price":278.2822,"value":270490.2984,"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 November 3, 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 $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."}],"balance_after":126339,"source":{"system":"sec-edgar","filing":"0001266824-26-000013","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000013/edgardoc.xml","form_type":"4"}},{"id":313081,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-02-19T22:25:40.000Z","date":"2026-02-17","kind":"sale","planned":true,"acquired":false,"shares":2129,"price":277.3657,"value":590511.5753,"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 November 3, 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 $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."}],"balance_after":127311,"source":{"system":"sec-edgar","filing":"0001266824-26-000013","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000013/edgardoc.xml","form_type":"4"}},{"id":313080,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-02-19T22:25:40.000Z","date":"2026-02-17","kind":"sale","planned":true,"acquired":false,"shares":540,"price":276.2183,"value":149157.882,"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 November 3, 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 $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."}],"balance_after":129440,"source":{"system":"sec-edgar","filing":"0001266824-26-000013","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000013/edgardoc.xml","form_type":"4"}},{"id":313079,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-02-19T22:25:40.000Z","date":"2026-02-17","kind":"sale","planned":true,"acquired":false,"shares":870,"price":275.1187,"value":239353.269,"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 November 3, 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\nranging 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."}],"balance_after":129980,"source":{"system":"sec-edgar","filing":"0001266824-26-000013","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000013/edgardoc.xml","form_type":"4"}},{"id":313078,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-02-19T22:25:40.000Z","date":"2026-02-17","kind":"sale","planned":true,"acquired":false,"shares":600,"price":274.09,"value":164454.0,"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 November 3, 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\nranging 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."}],"balance_after":130850,"source":{"system":"sec-edgar","filing":"0001266824-26-000013","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/106040/000126682426000013/edgardoc.xml","form_type":"4"}},{"id":313077,"issuer":{"id":1010,"kind":"organization","name":"WESTERN DIGITAL CORP","symbol":"WDC"},"owners":[{"id":14224,"kind":"person","name":"Davis Brian Scott","position":1,"cik":"0002057091","reported_name":"Davis Brian Scott","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Sales & Mrktng Officer"}}],"security":"Common Stock","published_at":"2026-02-19T22:25:40.000Z","date":"2026-02-17","kind":"sale","planned":true,"acquired":false,"shares":342,"price":272.9731,"value":93356.8002,"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 November 3, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the weighted average sale price per share. 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