Form 4 Tracker
WESTERN DIGITAL CORP
WDC

74 insider filings · Latest: Jun 17, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
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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Feb 24, 2026Feb 24 10:44 PMCynthia L TregillisChief Legal Officer & Corp Sec
Sale
308$281.70$86.8K134,759(D)

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Feb 23, 2026Feb 24 10:44 PMCynthia L TregillisChief Legal Officer & Corp Sec
Sale
130$283.83$36.9K135,067(D)

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Feb 24, 2026Feb 24 9:01 PMCYNTHIA LOCK TREGILLIS
Proposed Sale
308$281.70$86.8K

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Feb 23, 2026Feb 23 9:31 PMCYNTHIA LOCK TREGILLIS
Proposed Sale
130$283.83$36.9K

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Feb 17, 2026Feb 19 10:25 PMBrian Scott DavisChief Sales & Mrktng Officer
Sale
10,000$279.16$2.8M121,792(D)

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Feb 17, 2026Feb 17 9:18 PMBRIAN SCOTT DAVIS
Proposed Sale
10,000$279.16$2.8M

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Mar 18, 2026Mar 19 10:44 PMStephanie A StreeterDirector
Grant/Award
0.651.782(D)

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Mar 18, 2026Mar 19 10:44 PMKris SennesaelChief Financial Officer
Grant/Award
69.481578.09(D)

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Mar 18, 2026Mar 19 10:44 PMRoxanne OulmanDirector
Grant/Award
0.651.782(D)

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Mar 18, 2026Mar 19 10:42 PMMatthew E MassengillDirector
Grant/Award
11.885104.737(D)

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Mar 18, 2026Mar 19 10:42 PMBruce E KiddooDirector
Grant/Award
0.651.782(D)

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Mar 18, 2026Mar 19 10:42 PMVidyadhara K GubbiChief of Global Operations
Grant/Award
34.658289.684(D)

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Mar 18, 2026Mar 19 10:42 PMBrad FellerSVP & Chief Accounting Officer
Grant/Award
4.06511.141(D)

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Mar 18, 2026Mar 19 10:41 PMTunc DolucaDirector
Grant/Award
0.651.782(D)

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Mar 18, 2026Mar 19 10:41 PMBrian Scott DavisChief Sales & Mrktng Officer
Grant/Award
26.163217.425(D)

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Mar 18, 2026Mar 19 10:41 PMMartin I ColeDirector
Grant/Award
0.7862.154(D)

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Mar 18, 2026Mar 19 10:41 PMKimberly AlexyDirector
Grant/Award
0.651.782(D)

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Mar 18, 2026Mar 19 9:38 PMAhmed Mohammed ShihabChief Product Officer
Grant/Award
75.765450.847(D)

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Mar 17, 2026Mar 19 9:38 PMAhmed Mohammed ShihabChief Product Officer
Option Exercise
196.557375.082(D)

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Mar 3, 2026Mar 6 12:55 AMCynthia L TregillisChief Legal Officer & Corp Sec
Option Exercise
23.813304.413(D)

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Mar 3, 2026Mar 6 12:54 AMIrving TanDirector, Chief Executive Officer
Option Exercise
92.869875.613(D)

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Mar 3, 2026Mar 6 12:54 AMVidyadhara K GubbiChief of Global Operations
Option Exercise
47.627255.026(D)

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Mar 3, 2026Mar 6 12:54 AMBrian Scott DavisChief Sales & Mrktng Officer
Option Exercise
23.813191.262(D)

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Feb 25, 2026Feb 27 9:57 PMCynthia L TregillisChief Legal Officer & Corp Sec
Option Exercise
6.562328.226(D)

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Feb 25, 2026Feb 27 9:57 PMIrving TanDirector, Chief Executive Officer
Option Exercise
27.017968.482(D)

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Feb 25, 2026Feb 27 9:57 PMVidyadhara K GubbiChief of Global Operations
Option Exercise
7.724302.652(D)

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