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WDC SEC Filings

SEC filings for WDC. Annual and quarterly reports, 8-K events, Form 4 insider filings and 13D/G stake disclosures.

All10-K10-Q8-KProxyForm 413D/GLast 12 months
FormFiledAccession
DEF 14AOct 6, 2026EDGAR
4Tan IrvingChief Executive OfficerSep 21, 2026EDGAR
4Shihab Ahmed MohammedChief Product OfficerSep 21, 2026EDGAR
4Davis Brian ScottChief Sales & Mrktng OfficerSep 21, 2026EDGAR
8-KSep 14, 2026EDGAR
4Tregillis Cynthia LChief Legal Officer & Corp SecSep 9, 2026EDGAR
4Gubbi Vidyadhara KChief of Global OperationsSep 9, 2026EDGAR
4Davis Brian ScottChief Sales & Mrktng OfficerSep 9, 2026EDGAR
4Tan IrvingChief Executive OfficerSep 2, 2026EDGAR
4STREETER STEPHANIE ASep 2, 2026EDGAR
4Tregillis Cynthia LChief Legal Officer & Corp SecAug 28, 2026EDGAR
4Tan IrvingChief Executive OfficerAug 28, 2026EDGAR
4Shihab Ahmed MohammedChief Product OfficerAug 28, 2026EDGAR
4Sennesael KrisChief Financial OfficerAug 28, 2026EDGAR
4Gubbi Vidyadhara KChief of Global OperationsAug 28, 2026EDGAR
4Feller BradSVP & Chief Accounting OfficerAug 28, 2026EDGAR
4Davis Brian ScottChief Sales & Mrktng OfficerAug 28, 2026EDGAR
8-K/AamendedAug 27, 2026EDGAR
8-KAug 26, 2026EDGAR
4Tregillis Cynthia LChief Legal Officer & Corp SecAug 24, 2026EDGAR
4Tan IrvingChief Executive OfficerAug 24, 2026EDGAR
4Gubbi Vidyadhara KChief of Global OperationsAug 24, 2026EDGAR
4Davis Brian ScottChief Sales & Mrktng OfficerAug 24, 2026EDGAR
10-KAug 14, 2026EDGAR
4Tan IrvingChief Executive OfficerAug 13, 2026EDGAR
SC 13G/AamendedFMR LLC and 1 other reporting personAug 6, 2026EDGAR
8-KAIWestern Digital reported fiscal Q4 2026 (ended July 3, 2026) revenue of $3.75 billion, up 44% year-over-year, with GAAP diluted EPS of $8.21 and non-GAAP diluted EPS of $3.56 (vs. $1.70 a year ago).Aug 5, 2026EDGAR
SC 13G/AamendedVanguard Portfolio ManagementJul 31, 2026EDGAR
4Cole Martin IJul 29, 2026EDGAR
4Tregillis Cynthia LChief Legal Officer & Corp SecJul 22, 2026EDGAR
4Tan IrvingChief Executive OfficerJun 23, 2026EDGAR
4Shihab Ahmed MohammedChief Product OfficerJun 23, 2026EDGAR
4Davis Brian ScottChief Sales & Mrktng OfficerJun 23, 2026EDGAR
4Cole Martin IJun 11, 2026EDGAR
8-KJun 11, 2026EDGAR
8-K/AamendedJun 8, 2026EDGAR
4Tregillis Cynthia LChief Legal Officer & Corp SecJun 5, 2026EDGAR
4Gubbi Vidyadhara KChief of Global OperationsJun 5, 2026EDGAR
4Davis Brian ScottChief Sales & Mrktng OfficerJun 5, 2026EDGAR
8-KJun 3, 2026EDGAR
4Gubbi Vidyadhara KChief of Global OperationsJun 2, 2026EDGAR
4KIDDOO BRUCE EMay 29, 2026EDGAR
4Das ManuvirMay 28, 2026EDGAR
8-KAIWestern Digital's Board unanimously appointed Manuvir Das as a director effective May 26, 2026, and named him to the Audit Committee.May 28, 2026EDGAR
4Tregillis Cynthia LChief Legal Officer & Corp SecMay 27, 2026EDGAR
4Tan IrvingChief Executive OfficerMay 27, 2026EDGAR
4Gubbi Vidyadhara KChief of Global OperationsMay 27, 2026EDGAR
4Davis Brian ScottChief Sales & Mrktng OfficerMay 27, 2026EDGAR
4Tregillis Cynthia LChief Legal Officer & Corp SecMay 22, 2026EDGAR
4Tan IrvingChief Executive OfficerMay 22, 2026EDGAR
4Sennesael KrisChief Financial OfficerMay 22, 2026EDGAR
4Gubbi Vidyadhara KChief of Global OperationsMay 22, 2026EDGAR
4Davis Brian ScottChief Sales & Mrktng OfficerMay 22, 2026EDGAR
4KIDDOO BRUCE EMay 18, 2026EDGAR
4Davis Brian ScottChief Sales & Mrktng OfficerMay 13, 2026EDGAR
4Gubbi Vidyadhara KChief of Global OperationsMay 5, 2026EDGAR
4Tan IrvingChief Executive OfficerMay 5, 2026EDGAR
SC 13GVanguard Capital ManagementApr 30, 2026EDGAR
8-KApr 30, 2026EDGAR
10-QAIWestern Digital reports very strong results: revenue up 45%, gross margin up 10 points, and large Sandisk-related gains, supported by AI and cloud demand and a strengthened balance sheet.Apr 30, 2026EDGAR
SC 13GVanguard Portfolio ManagementApr 29, 2026EDGAR
4Tregillis Cynthia LChief Legal Officer & Corp SecApr 22, 2026EDGAR
4Gubbi Vidyadhara KChief of Global OperationsApr 22, 2026EDGAR
SC 13G/AamendedThe Vanguard GroupMar 27, 2026EDGAR
4Tan IrvingChief Executive OfficerMar 24, 2026EDGAR
4Davis Brian ScottChief Sales & Mrktng OfficerMar 24, 2026EDGAR
4Shihab Ahmed MohammedChief Product OfficerMar 19, 2026EDGAR
4Gubbi Vidyadhara KChief of Global OperationsMar 10, 2026EDGAR
4Tregillis Cynthia LChief Legal Officer & Corp SecMar 6, 2026EDGAR
4Tan IrvingChief Executive OfficerMar 6, 2026EDGAR
4Gubbi Vidyadhara KChief of Global OperationsMar 6, 2026EDGAR
4Davis Brian ScottChief Sales & Mrktng OfficerMar 6, 2026EDGAR
4Cole Martin IMar 4, 2026EDGAR
4Tregillis Cynthia LChief Legal Officer & Corp SecFeb 27, 2026EDGAR
4Gubbi Vidyadhara KChief of Global OperationsFeb 27, 2026EDGAR
4Davis Brian ScottChief Sales & Mrktng OfficerFeb 27, 2026EDGAR
8-KFeb 24, 2026EDGAR
8-KFeb 18, 2026EDGAR
SC 13G/AamendedMANAGED ACCOUNT ADVISORS LLCFeb 10, 2026EDGAR
8-KFeb 9, 2026EDGAR
10-QAIWestern Digital reports very strong results (25% revenue growth, gross margin up 8 points, large Sandisk mark-to-market gain) with an optimistic AI/cloud demand narrative and solid liquidity.Jan 29, 2026EDGAR
8-KJan 29, 2026EDGAR
SC 13G/AamendedAbigail P. Johnson and 1 other reporting personJan 8, 2026EDGAR
8-KNov 24, 2025EDGAR
SC 13G/AamendedMANAGED ACCOUNT ADVISORS LLCNov 14, 2025EDGAR
SC 13G/AamendedAbigail P. Johnson and 1 other reporting personNov 5, 2025EDGAR
8-KNov 3, 2025EDGAR
8-KOct 30, 2025EDGAR
10-QOct 30, 2025EDGAR

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Source: SEC EDGAR.