Form 4 Tracker
WESTERN DIGITAL CORP
WDC

41 insider filings · Latest: May 11, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Nov 26, 2024Nov 26 9:10 PMGENE M ZAMISKA
Proposed Sale
658$69.99$46.1K

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Nov 21, 2024Nov 21 9:05 PMGENE M ZAMISKA
Proposed Sale
376$64.47$24.2K

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Oct 29, 2024Oct 29 9:14 PMSODERBERY ROBERT
Proposed Sale
30,767$68.01$2.1M

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Oct 28, 2024Oct 28 9:14 PMZamiska Gene M.
Proposed Sale
1,993$69.94$139.4K

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Oct 25, 2024Oct 25 8:12 PMDAVID GOECKELER
Proposed Sale
75,000$72.59$5.4M

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Sep 26, 2024Sep 26 8:01 PMDAVID GOECKELER
Proposed Sale
75,000$70.32$5.3M

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Sep 4, 2024Sep 4 8:07 PMGENE M ZAMISKA
Proposed Sale
2,169$61.96$134.4K

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Aug 29, 2024Aug 29 8:17 PMGENE M ZAMISKA
Proposed Sale
315$63.32$19.9K

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Aug 27, 2024Aug 27 8:04 PMGENE M ZAMISKA
Proposed Sale
2,900$61.48$178.3K

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Page 4 of 4

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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