Form 4 Tracker
Cynthia L Tregillis

Chief Legal Officer & Corp Sec · 7 filings · Latest: Apr 20, 2026

WESTERN DIGITAL CORP
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
WDC
CYNTHIA LOCK TREGILLISJan 21, 2026
Proposed Sale
$229.00447$102.4K
WDC
Cynthia LOCK TREGILLISDec 2, 2025
Proposed Sale
$160.572,801$449.8K
WDC
CYNTHIA LOCK TREGILLISAug 22, 2025
Proposed Sale
$74.7814,067$1.1M

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