ZAMISKA GENE M.

PrivateCIK: 1456385
Location

SAN JOSE, CA

ZAMISKA GENE M. (Principal Accounting Officer) sold 1.3% of their position (353.00 shares) of WESTERN DIGITAL CORP on the open market

Open‑market sale worth $28.6K — 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
-698.18
Net shares
Net seller
$56.4K
Total sold
1
Open market trades
0B · 1S
4
Total transactions
1.00 acquired · 699.18 disposed
Non-Derivative Transactions3

Common Stock

Direct
M · Option Exercise

Shares

+1.00

Price / share

Trade value

% of position

0.0%
8/27/2025
28.12K28.12K

Common Stock

Direct
F · Tax Withholding

Shares

345.00

Price / share

$80.67

Trade value

$27.83K

% of position

1.2%
8/27/2025
28.12K27.78K

Common Stock

Direct
S · Sale

Shares

353.00

Price / share

$80.90

Trade value

$28.56K

% of position

1.3%
8/28/2025
27.78K27.43K
Total

Net shares

697.00

Net value

-$56.39K

Derivative Transactions1

Dividend Equivalent Rights

Direct
M · Option Exercise
Converts to

Common Stock

1.18 shares

Shares

1.18

Strike price

Held after

46.36

Exercisable

8/27/2025
ZAMISKA GENE M. — Insider Transaction (Form 4) Filed Aug 28, 2025 | Finecho