Form 4 Tracker
WESTERN DIGITAL CORP
WDC

78 insider filings · Latest: Aug 11, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
May 21, 2026May 21 8:01 PMCYNTHIA LOCK TREGILLIS
Proposed Sale
106$458.87$48.6K

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May 11, 2026May 13 1:06 AMBrian Scott DavisChief Sales & Mrktng Officer
Sale
10,000$500.69$5.0M105,564(D)

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May 11, 2026May 11 8:01 PMBRIAN SCOTT DAVIS
Proposed Sale
10,000$500.69$5.0M

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May 4, 2026May 5 10:14 PMVidyadhara K GubbiChief of Global Operations
Sale
4,674$443.19$2.1M90,041(D)

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May 1, 2026May 5 10:14 PMIrving TanDirector, Chief Executive Officer
Sale
20,000$411.84$8.2M598,150(D)

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May 4, 2026May 4 8:48 PMVIDYADHARA K GUBBI
Proposed Sale
4,674$443.19$2.1M

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May 1, 2026May 1 8:03 PMIRVING TAN
Proposed Sale
20,000$411.84$8.2M

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Apr 21, 2026Apr 22 11:28 PMCynthia L TregillisChief Legal Officer & Corp Sec
Sale
363$377.09$136.9K120,023(D)

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Apr 21, 2026Apr 21 8:03 PMCYNTHIA LOCK TREGILLIS
Proposed Sale
363$377.09$136.9K

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Mar 6, 2026Mar 10 9:44 PMVidyadhara K GubbiChief of Global Operations
Sale
8,518$255.33$2.2M99,276(D)

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Mar 6, 2026Mar 6 9:10 PMVIDYADHARA K GUBBI
Proposed Sale
8,518$255.33$2.2M

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Mar 4, 2026Mar 6 12:55 AMCynthia L TregillisChief Legal Officer & Corp Sec
Sale
9,324$268.27$2.5M121,682(D)

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Mar 4, 2026Mar 6 12:54 AMVidyadhara K GubbiChief of Global Operations
Sale
10,148$270.31$2.7M107,794(D)

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Mar 4, 2026Mar 4 9:52 PMVIDYADHARA K GUBBI
Proposed Sale
10,148$270.31$2.7M

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Mar 4, 2026Mar 4 9:05 PMCYNTHIA LOCK TREGILLIS
Proposed Sale
8,547$269.22$2.3M

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Mar 4, 2026Mar 4 9:04 PMCYNTHIA LOCK TREGILLIS
Proposed Sale
777$257.91$200.4K

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Mar 2, 2026Mar 4 12:05 AMMartin I ColeDirector
Sale
6,000$271.67$1.6M29,433(D)

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Mar 2, 2026Mar 2 9:07 PMMartin I Cole
Proposed Sale
6,000$282.25$1.7M

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Feb 26, 2026Feb 27 9:57 PMCynthia L TregillisChief Legal Officer & Corp Sec
Sale
214$286.11$61.2K133,781(D)

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Feb 26, 2026Feb 26 9:08 PMCYNTHIA LOCK TREGILLIS
Proposed Sale
214$286.11$61.2K

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Jul 20, 2026Jul 22 12:56 AMCynthia L TregillisChief Legal Officer & Corp Sec
Option Exercise
13.197309.804(D)

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Jun 17, 2026Jun 23 1:16 AMCynthia L TregillisChief Legal Officer & Corp Sec
Grant/Award
18.638323.001(D)

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Jun 20, 2026Jun 23 1:16 AMIrving TanDirector, Chief Executive Officer
Option Exercise
52.111886.663(D)

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Jun 17, 2026Jun 23 1:16 AMIrving TanDirector, Chief Executive Officer
Grant/Award
56.501938.774(D)

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Jun 17, 2026Jun 23 1:16 AMStephanie A StreeterDirector
Grant/Award
0.3342.117(D)

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Jun 17, 2026Jun 23 1:16 AMAhmed Mohammed ShihabChief Product Officer
Grant/Award
27.918426.868(D)

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Jun 17, 2026Jun 23 1:16 AMAhmed Mohammed ShihabChief Product Officer
Option Exercise
51.896398.95(D)

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Jun 17, 2026Jun 23 1:16 AMKris SennesaelChief Financial Officer
Grant/Award
27.768464.204(D)

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Jun 17, 2026Jun 23 1:16 AMRoxanne OulmanDirector
Grant/Award
0.3342.117(D)

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Jun 17, 2026Jun 23 1:16 AMMatthew E MassengillDirector
Grant/Award
6.109110.846(D)

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Jun 17, 2026Jun 23 1:16 AMBruce E KiddooDirector
Grant/Award
0.3342.117(D)

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Jun 17, 2026Jun 23 1:15 AMVidyadhara K GubbiChief of Global Operations
Grant/Award
14.079237.161(D)

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Jun 17, 2026Jun 23 1:15 AMBrad FellerSVP & Chief Accounting Officer
Grant/Award
2.08913.23(D)

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Jun 17, 2026Jun 23 1:15 AMTunc DolucaDirector
Grant/Award
0.3342.117(D)

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Jun 20, 2026Jun 23 1:15 AMBrian Scott DavisChief Sales & Mrktng Officer
Option Exercise
7.695190.16(D)

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Jun 17, 2026Jun 23 1:15 AMBrian Scott DavisChief Sales & Mrktng Officer
Grant/Award
11.695197.856(D)

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Jun 17, 2026Jun 23 1:15 AMManuvir DasDirector
Grant/Award
0.1630.163(D)

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Jun 17, 2026Jun 23 1:15 AMMartin I ColeDirector
Grant/Award
0.4042.557(D)

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Jun 17, 2026Jun 23 1:15 AMKimberly AlexyDirector
Grant/Award
0.3342.117(D)

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Jun 3, 2026Jun 5 10:58 PMCynthia L TregillisChief Legal Officer & Corp Sec
Option Exercise
6.683304.364(D)

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