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

$687.2K

1.42K shares

What this filing means

TREGILLIS CYNTHIA L plans to sell 1.42K shares of WESTERN DIGITAL CORP valued at approximately $687.2K. 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
1.42K
Shares to sell
$687.2K
Approx. market value
432.00
Acquired (3 months)
1
Planned
4 completed
Securities Acquired — Last 3 Months1
Sort

Restricted Stock

Not Applicable

6/3/2026
432.00
Total acquired432.00
Planned & Completed Dispositions5
Sort

Completed

Completed

Units to sell

214.00

Market value

$115.5K

5/27/2026
Completed

Units to sell

308.00

Market value

$150.5K

5/22/2026
Completed

Units to sell

106.00

Market value

$48.6K

5/21/2026
Completed

Units to sell

363.00

Market value

$136.9K

4/21/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

432.00

Market value

$235.7K

6/5/2026
Total

Units

1.42K

Value

$687.2K

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