TREGILLIS CYNTHIA L

PrivateCIK: 2057088
Location

SAN JOSE, CA

Senior insider sale

Chief Legal Officer & Corp Sec at WESTERN DIGITAL CORP — senior position signals high conviction

$449.8K

2.80K shares

What this filing means

TREGILLIS CYNTHIA L plans to sell 2.80K shares of WESTERN DIGITAL CORP valued at approximately $449.8K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderTREGILLIS CYNTHIA LCIK 2057088
IssuerWESTERN DIGITAL CORPCIK 106040
Officer· Chief Legal Officer & Corp Sec
Since Mar 2026
2.80K
Shares to sell
$449.8K
Approx. market value
2.80K
Acquired (3 months)
1
Planned
Securities Acquired — Last 3 Months4
Sort

Restricted Stock

Not Applicable

11/27/2024
126.00

Restricted Stock

Not Applicable

9/3/2024
1.79K

Restricted Stock

Not Applicable

8/27/2024
283.00

Performance Shares

Not Applicable

8/27/2024
603.00
Total acquired2.80K
Planned & Completed Dispositions1
Sort
NASDAQPlanned

Units to sell

2.80K

Market value

$449.8K

12/2/2025
Total

Units

2.80K

Value

$449.8K