Form 4 Tracker
WESTERN DIGITAL CORP
WDC

41 insider filings · Latest: May 11, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Nov 25, 2025Nov 25 9:12 PMKIMBERLY ALEXY
Proposed Sale
1,768$154.00$272.3K

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Nov 24, 2025Nov 24 9:03 PMGENE M ZAMISKA
Proposed Sale
458$142.59$65.3K

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Nov 21, 2025Nov 21 9:03 PMGENE M ZAMISKA
Proposed Sale
468$139.50$65.3K

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Nov 5, 2025Nov 5 9:02 PMMartin I Cole
Proposed Sale
16,000$152.18$2.4M

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Nov 3, 2025Nov 3 9:03 PMIRVING TAN
Proposed Sale
20,000$150.69$3.0M

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Sep 4, 2025Sep 4 8:06 PMVIDYADHARA K GUBBI
Proposed Sale
11,343$90.29$1.0M

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Aug 28, 2025Aug 28 8:01 PMGENE M ZAMISKA
Proposed Sale
353$80.90$28.6K

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Aug 26, 2025Aug 26 8:05 PMGENE M ZAMISKA
Proposed Sale
814$79.10$64.4K

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Aug 22, 2025Aug 22 8:02 PMCYNTHIA LOCK TREGILLIS
Proposed Sale
14,067$74.78$1.1M

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Aug 22, 2025Aug 22 8:02 PMGENE M ZAMISKA
Proposed Sale
1,828$74.78$136.7K

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Aug 21, 2025Aug 21 8:06 PMGENE M ZAMISKA
Proposed Sale
3,160$75.68$239.1K

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Aug 19, 2025Aug 19 8:18 PMIRVING TAN
Proposed Sale
8,621$75.90$654.3K

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Aug 13, 2025Aug 13 8:05 PMVIDYADHARA K GUBBI
Proposed Sale
5,597$76.26$426.8K

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Aug 11, 2025Aug 11 8:28 PMVIDYADHARA K GUBBI
Proposed Sale
3,947$74.88$295.5K

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Jun 17, 2025Jun 17 8:02 PMGENE M ZAMISKA
Proposed Sale
245$58.01$14.2K

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Jun 5, 2025Jun 5 8:15 PMGENE M ZAMISKA
Proposed Sale
1,729$54.88$94.9K

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May 13, 2025May 13 8:02 PMIRVING TAN
Proposed Sale
11,379$48.19$548.4K

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Mar 12, 2025Mar 12 8:01 PMGENE M ZAMISKA
Proposed Sale
456$43.37$19.8K

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Mar 7, 2025Mar 7 10:06 PMGENE M ZAMISKA
Proposed Sale
1,659$41.36$68.6K

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Nov 29, 2024Nov 29 6:27 PMGENE M ZAMISKA
Proposed Sale
313$72.63$22.7K

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Apr 20, 2026Apr 22 11:28 PMCynthia L TregillisChief Legal Officer & Corp Sec
Option Exercise
12.492332.628(D)

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Apr 20, 2026Apr 22 11:27 PMVidyadhara K GubbiChief of Global Operations
Option Exercise
34.812254.872(D)

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Mar 20, 2026Mar 24 10:17 PMIrving TanDirector, Chief Executive Officer
Option Exercise
49.344948.844(D)

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Mar 20, 2026Mar 24 9:53 PMBrian Scott DavisChief Sales & Mrktng Officer
Option Exercise
7.287210.138(D)

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Mar 18, 2026Mar 19 10:45 PMCynthia L TregillisChief Legal Officer & Corp Sec
Grant/Award
40.707345.12(D)

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Mar 18, 2026Mar 19 10:44 PMIrving TanDirector, Chief Executive Officer
Grant/Award
122.575998.188(D)

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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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