WDC Filing
144Filing Date: Jul 21, 2026
WESTERN DIGITAL CORP (WDC) · Proposed Sale (Form 144) SEC Filing
Insider Proposed Sale Notice
descriptionView SEC Filing
ACC: 0001950047-26-007241open_in_new
Sale Plan
CYNTHIA LOCK TREGILLIS
Officer·WESTERN DIGITAL CORP (WDC)
Proposed
CommonNASDAQ
Shares808
Est. DateJul 21
Market Value$427.9K
BrokerMorgan Stanley Smith Barney LLC Executive Financial Services
AcquisitionRestricted Stock · ISSUER
Acquired DateJul 20, 2026
Amount Acquired808
10b5-1 Plan Adoption03/06/2026
% Outstanding0.0002%
10b5-1
Exercise / Payment Details
Paid: Jul 20, 2026Method: Not Applicable
Sales Past 3 Months Total $550.3K · 1.06K sh. expand_more
Jun
5
$235.7K
432 sh.
May
27
$115.5K
214 sh.
May
22
$150.5K
308 sh.
May
21
$48.6K
106 sh.
Signature & Compliance expand_more
Notice DateJul 21, 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