144Filing Date: Aug 24, 2026
Western Digital (WDC)
Insider Proposed Sale Notice
View SEC Filing
ACC: 0001950047-26-008588
Sale Plan
CYNTHIA LOCK TREGILLIS
Officer·Western Digital
Proposed
CommonNASDAQ
Shares684
Est. DateAug 24
Market Value$305.2K
BrokerMorgan Stanley Smith Barney LLC Executive Financial Services
AcquisitionRestricted Stock · ISSUER
Acquired DateAug 21, 2026
Amount Acquired684
10b5-1 Plan Adoption03/06/2026
% Outstanding0.0002%
10b5-1
Exercise / Payment Details
Paid: Aug 21, 2026Method: Not Applicable
Sales Past 3 Months Total $891.3K · 1.69K sh. expand_more
Aug
21
$112.2K
235 sh.
Jul
21
$427.9K
808 sh.
Jun
5
$235.7K
432 sh.
May
27
$115.5K
214 sh.
auto_awesomeDeep Analysis
Deep Analysis
Cynthia Lock Tregillis, an officer of Western Digital, filed a Form 144 notice of intent to sell 684 shares worth ~$305,180 on 08/24/2026, acquired via restricted stock vesting.
lock
Signature & Compliance expand_more
Notice DateAug 24, 2026
10b5-1 Plan Adoption03/06/2026
Signature /s/ Cynthia Lock Tregillis
Issuer Info expand_more
CompanyWESTERN DIGITAL CORPORATION
CIK0000106040
SEC File No.001-08703
Phone(408) 717-6000
Address5601 Great Oaks Parkway, San Jose, CA 95119