TREGILLIS CYNTHIA L

PrivateCIK: 2057088
Location

SAN JOSE, CA

TREGILLIS CYNTHIA L (Chief Legal Officer & Corp Sec) sold 0.4% of their position (432.00 shares) of WESTERN DIGITAL CORP on the open market

Open‑market sale worth $194.9K — 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
-1.13K
Net shares
Net seller
$504.0K
Total sold
1
Open market trades
0B · 1S
4
Total transactions
7.00 acquired · 1.14K disposed
Non-Derivative Transactions3

Common Stock

Direct
M · Option Exercise

Shares

+7.00

Price / share

Trade value

% of position

0.0%
9/3/2026
112.16K112.16K

Common Stock

Direct
F · Tax Withholding

Shares

700.00

Price / share

$441.57

Trade value

$309.10K

% of position

0.6%
9/3/2026
112.16K111.46K

Common Stock

Direct
S · Sale

Shares

432.00

Price / share

$451.20

Trade value

$194.92K

% of position

0.4%
9/4/2026
111.46K111.03K
Total

Net shares

1.13K

Net value

-$504.02K

Derivative Transactions1

Dividend Equivalent Rights

Direct
M · Option Exercise
Converts to

Common Stock

7.06 shares

Shares

7.06

Strike price

Held after

270.48

Exercisable

9/3/2026
TREGILLIS CYNTHIA L — Insider Transaction (Form 4) Filed Sep 9, 2026 | Finecho