The Filings Report

Western Digital Corp. insider trading

WDCfinancial statementsForm 4 filings on EDGAR562 transactions since Nov 1, 2024

From August 4, 2026 to November 1, 2026, 0 insiders at Western Digital Corp. bought $0 of stock in the open market, and 5 sold $15M. Officers and directors accounted for $0 of purchases and $15M of sales. The last reported transaction was an open-market sale by Cole Martin I on October 29, 2026.

The answer card and chart use the same period. Change the range above the chart to update both. Form 4 filings through October 30, 2026; awards, option exercises, tax withholding and gifts are excluded from these totals.

Stock price and insider activity

Daily price candles with insider purchases and sales directly beneath them on the same timeline. Bars show individual days; totals sum all days in the selected period.

WDC daily priceSplit-adjusted prices in US dollars

Bought $0Sold $15MAug 4, 2026 – Nov 1, 2026

Oct 30, 2026O $366.84 · H $377.99 · L $361.11 · C $366.11Bought $0 (0)Sold $0 (0)
$318$383$448$513$5792026-08-04: open $555.01, high $559.84, low $537.29, close $548.562026-08-05: open $544.94, high $564.66, low $518.28, close $532.452026-08-06: open $428.89, high $477.63, low $407.48, close $451.522026-08-07: open $457.45, high $457.56, low $422.50, close $434.302026-08-10: open $434.63, high $452.70, low $424.38, close $438.342026-08-11: open $442.22, high $448.88, low $431.48, close $437.932026-08-12: open $457.07, high $467.80, low $450.88, close $454.102026-08-13: open $453.13, high $502.64, low $451.55, close $487.292026-08-14: open $503.50, high $516.35, low $487.10, close $508.802026-08-17: open $525.53, high $548.60, low $519.07, close $536.012026-08-18: open $496.07, high $520.00, low $490.23, close $496.162026-08-19: open $494.28, high $500.00, low $460.28, close $462.092026-08-20: open $463.39, high $477.28, low $453.70, close $469.052026-08-21: open $477.27, high $478.80, low $454.33, close $459.442026-08-24: open $446.35, high $446.99, low $419.54, close $435.382026-08-25: open $446.72, high $452.00, low $430.34, close $450.752026-08-26: open $449.88, high $470.00, low $448.01, close $468.882026-08-27: open $477.79, high $479.85, low $443.02, close $462.002026-08-28: open $462.25, high $475.01, low $455.07, close $459.452026-08-31: open $456.90, high $459.45, low $444.52, close $450.552026-09-01: open $443.07, high $457.68, low $439.28, close $450.442026-09-02: open $444.93, high $456.98, low $437.40, close $448.902026-09-03: open $442.91, high $449.47, low $420.88, close $441.572026-09-04: open $452.22, high $468.19, low $442.15, close $467.462026-09-08: open $480.01, high $489.20, low $464.54, close $477.302026-09-09: open $474.64, high $495.49, low $471.72, close $482.282026-09-10: open $466.61, high $471.23, low $456.75, close $460.932026-09-11: open $464.16, high $472.43, low $442.78, close $447.182026-09-14: open $417.32, high $436.28, low $416.00, close $426.942026-09-15: open $430.25, high $430.25, low $407.12, close $411.962026-09-16: open $421.45, high $428.14, low $414.60, close $416.972026-09-17: open $427.28, high $433.20, low $416.31, close $423.872026-09-18: open $427.50, high $448.85, low $424.55, close $441.362026-09-21: open $455.64, high $460.49, low $437.20, close $448.172026-09-22: open $440.05, high $474.54, low $438.00, close $464.602026-09-23: open $462.94, high $475.66, low $445.02, close $473.692026-09-24: open $465.74, high $468.00, low $449.21, close $450.312026-09-25: open $455.24, high $461.98, low $447.69, close $456.812026-09-28: open $449.01, high $459.99, low $432.04, close $453.232026-09-29: open $463.15, high $465.66, low $447.03, close $453.482026-09-30: open $453.22, high $463.89, low $446.24, close $454.462026-10-01: open $451.80, high $463.55, low $440.05, close $462.562026-10-02: open $423.20, high $427.71, low $396.57, close $415.292026-10-05: open $430.50, high $447.71, low $429.44, close $441.642026-10-06: open $426.60, high $430.33, low $406.81, close $411.042026-10-07: open $401.08, high $409.39, low $397.02, close $405.422026-10-08: open $399.31, high $407.45, low $390.60, close $393.312026-10-09: open $397.35, high $398.28, low $386.01, close $397.282026-10-12: open $391.76, high $392.60, low $385.89, close $386.942026-10-13: open $359.00, high $382.77, low $358.26, close $380.712026-10-14: open $371.50, high $382.34, low $362.50, close $364.102026-10-15: open $342.68, high $356.83, low $336.00, close $356.452026-10-16: open $347.72, high $348.51, low $331.81, close $332.002026-10-19: open $341.96, high $356.25, low $341.14, close $352.212026-10-20: open $348.88, high $366.00, low $342.50, close $364.322026-10-21: open $380.25, high $381.88, low $367.13, close $378.512026-10-22: open $363.76, high $367.34, low $348.23, close $354.192026-10-23: open $346.10, high $360.66, low $339.55, close $343.672026-10-26: open $346.28, high $364.13, low $340.30, close $356.132026-10-27: open $359.95, high $388.08, low $358.24, close $380.882026-10-28: open $385.00, high $397.33, low $374.89, close $396.422026-10-29: open $390.28, high $402.23, low $388.36, close $395.412026-10-30: open $366.84, high $377.99, low $361.11, close $366.11Insider purchases / sales · USD$10M$0−$10M2026-08-11: 0 purchases ($0), 7 sales ($9M)2026-08-21: 0 purchases ($0), 1 sales ($112K)2026-08-24: 0 purchases ($0), 1 sales ($305K)2026-08-26: 0 purchases ($0), 1 sales ($215K)2026-08-27: 0 purchases ($0), 1 sales ($482K)2026-08-31: 0 purchases ($0), 2 sales ($2M)2026-09-01: 0 purchases ($0), 1 sales ($728K)2026-09-04: 0 purchases ($0), 2 sales ($1M)2026-10-21: 0 purchases ($0), 1 sales ($307K)2026-10-29: 0 purchases ($0), 12 sales ($2M)Aug 4Aug 26Sep 17Oct 9Oct 30

purchases above zero; sales below. Both use the transaction date and the same dollar scale. Hover, tap, or use arrow keys to inspect a date. Awards, exercises, tax withholding and gifts are excluded.

Dates with prices or insider activity are spaced evenly; empty weekends and holidays are omitted. Prices through Oct 30, 2026. Insider data through Nov 1, 2026. Prices are adjusted for splits; transaction values are reported dollars.

Every transaction

562 transactions from November 1, 2024 to November 1, 2026, newest first. Open-market purchases and sales are coloured; awards, exercises, tax withholding and gifts are grey and not counted.

TradedInsiderRoleTransactionSharesPriceValueHeld afterFiled
Oct 29, 2026Cole Martin IDirectoropen-market sale10b5-1204$390.04$80K21,229Oct 30, 2026
Oct 29, 2026Cole Martin IDirectoropen-market sale10b5-1385$391.05$151K20,844Oct 30, 2026
Oct 29, 2026Cole Martin IDirectoropen-market sale10b5-1407$392.42$160K20,437Oct 30, 2026
Oct 29, 2026Cole Martin IDirectoropen-market sale10b5-1494$393.22$194K19,943Oct 30, 2026
Oct 29, 2026Cole Martin IDirectoropen-market sale10b5-1243$394.41$96K19,700Oct 30, 2026
Oct 29, 2026Cole Martin IDirectoropen-market sale10b5-1209$395.30$83K19,491Oct 30, 2026
Oct 29, 2026Cole Martin IDirectoropen-market sale10b5-1317$396.31$126K19,174Oct 30, 2026
Oct 29, 2026Cole Martin IDirectoropen-market sale10b5-1584$397.48$232K18,590Oct 30, 2026
Oct 29, 2026Cole Martin IDirectoropen-market sale10b5-1723$398.45$288K17,867Oct 30, 2026
Oct 29, 2026Cole Martin IDirectoropen-market sale10b5-1303$399.36$121K17,564Oct 30, 2026
Oct 29, 2026Cole Martin IDirectoropen-market sale10b5-188$400.33$35K17,476Oct 30, 2026
Oct 29, 2026Cole Martin IDirectoropen-market sale10b5-143$401.47$17K17,433Oct 30, 2026
Oct 21, 2026Tregillis Cynthia LChief Legal Officer & Corp Secopen-market sale10b5-1807$380.00$307K108,928Oct 22, 2026
Oct 20, 2026Tregillis Cynthia LChief Legal Officer & Corp Secoption exercise14$0.00—111,044Oct 22, 2026
Oct 20, 2026Tregillis Cynthia LChief Legal Officer & Corp Sectax withholding1,310$364.32$477K109,735Oct 22, 2026
Sep 20, 2026Tan IrvingChief Executive Officer, Directoroption exercise57$0.00—266,704Sep 21, 2026
Sep 20, 2026Tan IrvingChief Executive Officer, Directortax withholding1,091$441.36$482K265,613Sep 21, 2026
Sep 20, 2026Davis Brian ScottChief Sales & Mrktng Officeroption exercise8$0.00—100,454Sep 21, 2026
Sep 20, 2026Davis Brian ScottChief Sales & Mrktng Officertax withholding963$441.36$425K99,491Sep 21, 2026
Sep 17, 2026Shihab Ahmed MohammedChief Product Officeroption exercise56$0.00—163,758Sep 21, 2026
Sep 17, 2026Shihab Ahmed MohammedChief Product Officertax withholding5,150$423.87$2M158,608Sep 21, 2026
Sep 4, 2026Tregillis Cynthia LChief Legal Officer & Corp Secopen-market sale10b5-1432$451.20$195K111,030Sep 8, 2026
Sep 4, 2026Gubbi Vidyadhara KChief of Global Operationsopen-market sale1,795$459.87$825K80,571Sep 8, 2026
Sep 3, 2026Tregillis Cynthia LChief Legal Officer & Corp Secoption exercise7$0.00—112,162Sep 8, 2026
Sep 3, 2026Tregillis Cynthia LChief Legal Officer & Corp Sectax withholding700$441.57$309K111,462Sep 8, 2026
Sep 3, 2026Gubbi Vidyadhara KChief of Global Operationsoption exercise14$0.00—84,130Sep 8, 2026
Sep 3, 2026Gubbi Vidyadhara KChief of Global Operationstax withholding1,764$441.57$779K82,366Sep 8, 2026
Sep 3, 2026Davis Brian ScottChief Sales & Mrktng Officeroption exercise7$0.00—101,328Sep 8, 2026
Sep 3, 2026Davis Brian ScottChief Sales & Mrktng Officertax withholding882$441.57$389K100,446Sep 8, 2026
Sep 1, 2026Tan IrvingChief Executive Officer, Directorgiftindirect112,500$0.00—0Sep 2, 2026
Sep 1, 2026Tan IrvingChief Executive Officer, Directorgiftindirect112,500$0.00—112,500Sep 2, 2026
Sep 1, 2026Streeter Stephanie ADirectoropen-market saleindirect1,600$455.00$728K34,807Sep 2, 2026
Aug 31, 2026Tan IrvingChief Executive Officer, Directorother112,500$0.00—266,647Sep 2, 2026
Aug 31, 2026Tan IrvingChief Executive Officer, Directorotherindirect112,500$0.00—112,500Sep 2, 2026
Aug 31, 2026Streeter Stephanie ADirectoropen-market saleindirect2,000$447.06$894K38,407Sep 2, 2026
Aug 31, 2026Streeter Stephanie ADirectoropen-market saleindirect2,000$448.58$897K36,407Sep 2, 2026
Aug 27, 2026Tregillis Cynthia LChief Legal Officer & Corp Secopen-market sale10b5-11,007$478.36$482K112,155Aug 27, 2026
Aug 26, 2026Tregillis Cynthia LChief Legal Officer & Corp Secopen-market sale10b5-1476$450.78$215K114,784Aug 27, 2026
Aug 26, 2026Tregillis Cynthia LChief Legal Officer & Corp Secoption exercise9$0.00—114,793Aug 27, 2026
Aug 26, 2026Tregillis Cynthia LChief Legal Officer & Corp Sectax withholding1,631$468.88$765K113,162Aug 27, 2026
Aug 26, 2026Tan IrvingChief Executive Officer, Directoroption exercise42$0.00—382,461Aug 27, 2026
Aug 26, 2026Tan IrvingChief Executive Officer, Directortax withholding3,314$468.88$2M379,147Aug 27, 2026
Aug 26, 2026Shihab Ahmed MohammedChief Product Officeroption exercise15$0.00—166,443Aug 27, 2026
Aug 26, 2026Shihab Ahmed MohammedChief Product Officertax withholding2,741$468.88$1M163,702Aug 27, 2026
Aug 26, 2026Sennesael KrisChief Financial Officeroption exercise19$0.00—178,026Aug 27, 2026
Aug 26, 2026Sennesael KrisChief Financial Officertax withholding4,317$468.88$2M173,709Aug 27, 2026
Aug 26, 2026Gubbi Vidyadhara KChief of Global Operationsoption exercise9$0.00—86,172Aug 27, 2026
Aug 26, 2026Gubbi Vidyadhara KChief of Global Operationstax withholding2,056$468.88$964K84,116Aug 27, 2026
Aug 26, 2026Davis Brian ScottChief Sales & Mrktng Officeroption exercise7$0.00—102,965Aug 27, 2026
Aug 26, 2026Davis Brian ScottChief Sales & Mrktng Officertax withholding1,644$468.88$771K101,321Aug 27, 2026

Who the insiders are

Everyone who reported a transaction since November 1, 2024, by open-market value over twelve months. Shares held are after the insider’s latest directly held transaction.

InsiderRoleLast transactionKindShares heldBought, 12 monthsSold, 12 monthsSales under a plan
Tan IrvingChief Executive Officer, DirectorSep 20, 2026option exercise266,704—$25M (39)39 of 39
Gubbi Vidyadhara KChief of Global OperationsSep 4, 2026open-market sale80,571—$13M (9)0 of 9
Cole Martin IDirectorOct 29, 2026open-market sale21,229—$10M (121)121 of 121
Massengill Matthew EDirectorFeb 5, 2026open-market sale28,897—$10M (11)11 of 11
Tregillis Cynthia LChief Legal Officer & Corp SecOct 21, 2026open-market sale108,928—$8M (20)18 of 20
Davis Brian ScottChief Sales & Mrktng OfficerSep 20, 2026option exercise100,454—$8M (30)30 of 30
Streeter Stephanie ADirectorSep 1, 2026open-market sale1,585—$3M (3)0 of 3
Alexy KimberlyDirectorDec 4, 2025open-market sale1,585—$592K (2)0 of 2
Kiddoo Bruce EDirectorMay 28, 2026open-market sale3,903—$396K (1)0 of 1
Oulman RoxanneDirectorNov 25, 2025open-market sale3,863—$278K (1)0 of 1
Zamiska Gene M.SVP & Princ. Acctg OfficerAug 28, 2025open-market sale27,425———
Shihab Ahmed MohammedChief Product OfficerSep 17, 2026option exercise163,758———
Sennesael KrisChief Financial OfficerAug 26, 2026option exercise178,026———
Doluca TuncDirectorNov 20, 2025award1,585———
Jabre Wissam GEVP & CFOFeb 28, 2025award335,672———
Soderbery RobertEVP & GM, Flash BusinessNov 27, 2024tax withholding132,940———
Goeckeler DavidChief Executive Officer, DirectorNov 27, 2024tax withholding812,303———
Feller BradSVP & Chief Accounting OfficerAug 25, 2026award12,043———
Suzuki MiyukiDirectorNov 20, 2024award18,160———
Das ManuvirDirectorMay 26, 2026award772———
Bennett Don RInterim CFOMar 6, 2025tax withholding104,554———
Caulfield ThomasDirectorNov 20, 2024award21,737———

Questions

Are Western Digital Corp. insiders buying or selling?

Over the twelve months to November 1, 2026, 10 insiders at Western Digital Corp. sold $77M of stock in the open market, all by officers and directors, and no insider bought. Net, insiders sold $77M. Only open-market purchases and sales are counted.

Who sold the most Western Digital Corp. stock in the last year?

Tan Irving (Chief Executive Officer, Director) sold $25M in 39 open-market sales over the twelve months to November 1, 2026.

Do Western Digital Corp. executives sell under 10b5-1 plans?

219 of the 237 open-market sales in the last twelve months (92%) were reported as made under a Rule 10b5-1 trading plan, set up in advance. A sale under a plan is still counted as a sale.

What counts as insider buying here?

Only open-market purchases (Form 4 code P) and sales (code S) by officers, directors and 10% owners. Stock awards, option exercises, shares withheld for tax and gifts are listed in the table but never counted as buying or selling.

More on Western Digital Corp.

From Form 4, 4/A and 5 filings with the SEC. A record of insider transactions, not a recommendation.