TREGILLIS CYNTHIA L

PrivateCIK: 2057088
Location

SAN JOSE, CA

TREGILLIS CYNTHIA L (Chief Legal Officer & Corp Sec) sold 0.3% of their position (447.00 shares) of WESTERN DIGITAL CORP on the open market

Open‑market sale worth $102.4K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderTREGILLIS CYNTHIA LCIK 2057088
IssuerWESTERN DIGITAL CORPCIK 106040
Officer· Chief Legal Officer & Corp Sec
Since Mar 2026
-1.29K
Net shares
Net seller
$290.1K
Total sold
1
Open market trades
0B · 1S
4
Total transactions
11.00 acquired · 1.30K disposed
Non-Derivative Transactions3

Common Stock

Direct
M · Option Exercise

Shares

+11.00

Price / share

Trade value

% of position

0.0%
1/20/2026
144.60K144.61K

Common Stock

Direct
F · Tax Withholding

Shares

842.00

Price / share

$222.97

Trade value

$187.74K

% of position

0.6%
1/20/2026
144.61K143.76K

Common Stock

Direct
S · Sale

Shares

447.00

Price / share

$229.00

Trade value

$102.36K

% of position

0.3%
1/21/2026
143.76K143.32K
Total

Net shares

1.28K

Net value

-$290.10K

Derivative Transactions1

Dividend Equivalent Rights

Direct
M · Option Exercise
Converts to

Common Stock

11.13 shares

Shares

11.13

Strike price

Held after

347.46

Exercisable

1/20/2026
TREGILLIS CYNTHIA L — Insider Transaction (Form 4) Filed Jan 21, 2026 | Finecho