ZAMISKA GENE M. (Principal Accounting Officer) exercised options at WESTERN DIGITAL CORP
Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.
M · 1 exercise
Filed: 8/21/2025ACC: 0001266824-25-000146
Officer· Principal Accounting Officer
Since Aug 2019
-3.10K
Net shares
Net seller
$234.6K
Total sold
0
Open market trades
0B · 0S
3
Total transactions
9.00 acquired · 3.11K disposed
Non-Derivative Transactions2
Common Stock
Direct
Shares
+9.00
Price / share
—
Trade value
—
% of position
0.0%
8/20/2025
39.60K→39.61K
Common Stock
Direct
Shares
−3.10K
Price / share
$75.64
Trade value
$234.64K
% of position
7.8%
8/20/2025
39.61K→36.51K
Total
Net shares
−3.09K
Net value
-$234.64K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 8/20/2025 | M · Option Exercise | +9.00 | — | — | 0.0% | 39.60K | 39.61K |
| Common Stock Direct | 8/20/2025 | F · Tax Withholding | −3.10K | $75.64 | $234.64K | 7.8% | 39.61K | 36.51K |
| Total | −3.09K | -$234.64K | ||||||
Derivative Transactions1
Dividend Equivalent Rights
Direct
Converts to
Common Stock
10.56 shares
Shares
−10.56
Strike price
Held after
56.38
Exercisable
—
8/20/2025
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Dividend Equivalent Rights Direct | Common Stock10.56 shares | 8/20/2025 | M · Option Exercise | −10.56 | — | 56.38 |