ZAMISKA GENE M.

PrivateCIK: 1456385
Location

SAN JOSE, CA

ZAMISKA GENE M. (Principal Accounting Officer) sold 2.8% of their position (814.00 shares) of WESTERN DIGITAL CORP on the open market

Open‑market sale worth $64.4K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderZAMISKA GENE M.CIK 1456385
IssuerWESTERN DIGITAL CORPCIK 106040
Officer· Principal Accounting Officer
Since Aug 2019
-1.61K
Net shares
Net seller
$127.6K
Total sold
1
Open market trades
0B · 1S
4
Total transactions
2.00 acquired · 1.61K disposed
Non-Derivative Transactions3

Common Stock

Direct
M · Option Exercise

Shares

+2.00

Price / share

Trade value

% of position

0.0%
8/25/2025
29.73K29.73K

Common Stock

Direct
F · Tax Withholding

Shares

798.00

Price / share

$79.22

Trade value

$63.22K

% of position

2.7%
8/25/2025
29.73K28.94K

Common Stock

Direct
S · Sale

Shares

814.00

Price / share

$79.10

Trade value

$64.39K

% of position

2.8%
8/26/2025
28.94K28.12K
Total

Net shares

1.61K

Net value

-$127.60K

Derivative Transactions1

Dividend Equivalent Rights

Direct
M · Option Exercise
Converts to

Common Stock

2.72 shares

Shares

2.72

Strike price

Held after

47.54

Exercisable

8/25/2025
ZAMISKA GENE M. — Insider Transaction (Form 4) Filed Aug 27, 2025 | Finecho