Form 4 Tracker
Cynthia L Tregillis

Chief Legal Officer & Corp Sec · 11 filings · Latest: Jun 17, 2026

WESTERN DIGITAL CORP
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
WDC
Cynthia L TregillisChief Legal Officer & Corp SecFeb 25, 2026
Option Exercise
$0.006134,765
WDC
CYNTHIA LOCK TREGILLISFeb 26, 2026
Proposed Sale
$286.11214$61.2K
WDC
Cynthia L TregillisChief Legal Officer & Corp SecFeb 24, 2026
Sale
$281.70308$86.8K134,759
WDC
Cynthia L TregillisChief Legal Officer & Corp SecFeb 23, 2026
Sale
$283.83130$36.9K135,067
WDC
Cynthia L TregillisChief Legal Officer & Corp SecFeb 21, 2026
Option Exercise
$0.009136,306
WDC
Cynthia L TregillisChief Legal Officer & Corp SecFeb 20, 2026
Option Exercise
$0.003136,541
WDC
CYNTHIA LOCK TREGILLISFeb 24, 2026
Proposed Sale
$281.70308$86.8K
WDC
CYNTHIA LOCK TREGILLISFeb 23, 2026
Proposed Sale
$283.83130$36.9K
WDC
Cynthia L TregillisChief Legal Officer & Corp SecFeb 6, 2026
Sale
$270.496,780$1.8M136,538
WDC
CYNTHIA LOCK TREGILLISFeb 6, 2026
Proposed Sale
$270.496,780$1.8M
WDC
Cynthia L TregillisChief Legal Officer & Corp SecJan 21, 2026
Sale
$229.00447$102.4K143,318
WDC
Cynthia L TregillisChief Legal Officer & Corp SecJan 20, 2026
Option Exercise
$0.0011144,607
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

← Previous

Page 2 of 2