TREGILLIS CYNTHIA L

PrivateCIK: 2057088
Location

SAN JOSE, CA

TREGILLIS CYNTHIA L (Chief Legal Officer & Corp Sec) sold 0.2% of their position (214.00 shares) of WESTERN DIGITAL CORP on the open market

Open‑market sale worth $61.2K — 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
-984.56
Net shares
Net seller
$285.3K
Total sold
1
Open market trades
0B · 1S
4
Total transactions
6.00 acquired · 990.56 disposed
Non-Derivative Transactions3

Common Stock

Direct
M · Option Exercise

Shares

+6.00

Price / share

Trade value

% of position

0.0%
2/25/2026
134.76K134.76K

Common Stock

Direct
F · Tax Withholding

Shares

770.00

Price / share

$290.95

Trade value

$224.03K

% of position

0.6%
2/25/2026
134.76K134K

Common Stock

Direct
S · Sale

Shares

214.00

Price / share

$286.11

Trade value

$61.23K

% of position

0.2%
2/26/2026
134K133.78K
Total

Net shares

978.00

Net value

-$285.26K

Derivative Transactions1

Dividend Equivalent Rights

Direct
M · Option Exercise
Converts to

Common Stock

6.56 shares

Shares

6.56

Strike price

Held after

328.23

Exercisable

2/25/2026
TREGILLIS CYNTHIA L — Insider Transaction (Form 4) Filed Feb 27, 2026 | Finecho