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

$552.1K

3.25K shares

What this filing means

TREGILLIS CYNTHIA L plans to sell 3.25K shares of WESTERN DIGITAL CORP valued at approximately $552.1K. 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
3.25K
Shares to sell
$552.1K
Approx. market value
447.00
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months1
Sort

Restricted Stock

Not Applicable

1/20/2026
447.00
Total acquired447.00
Planned & Completed Dispositions2
Sort

Completed

Completed

Units to sell

2.80K

Market value

$449.8K

12/2/2025

Planned — Approximate Date

NASDAQPlanned

Units to sell

447.00

Market value

$102.4K

1/21/2026
Total

Units

3.25K

Value

$552.1K

TREGILLIS CYNTHIA L — Planned Insider Sale (Form 144) | Finecho