TAN IRVING (Chief Executive 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: 9/21/2026ACC: 0001266824-26-000213
DirectorOfficer· Chief Executive Officer
Since Mar 2026
-1.01K
Net shares
Net seller
$481.5K
Total sold
0
Open market trades
0B · 0S
4
Total transactions
140.06 acquired · 1.15K disposed
Non-Derivative Transactions2
Common Stock
Direct
Shares
+56.76
Price / share
—
Trade value
—
% of position
0.0%
9/20/2026
266.65K→266.70K
Common Stock
Direct
Shares
−1.09K
Price / share
$441.36
Trade value
$481.54K
% of position
0.4%
9/20/2026
266.70K→265.61K
Total
Net shares
−1.03K
Net value
-$481.54K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 9/20/2026 | M · Option Exercise | +56.76 | — | — | 0.0% | 266.65K | 266.70K |
| Common Stock Direct | 9/20/2026 | F · Tax Withholding | −1.09K | $441.36 | $481.54K | 0.4% | 266.70K | 265.61K |
| Total | −1.03K | -$481.54K | ||||||
Derivative Transactions2
Dividend Equivalent Rights
Direct
Converts to
Common Stock
83.30 shares
Shares
+83.30
Strike price
Held after
857.24
Exercisable
—
9/17/2026
Dividend Equivalent Rights
Direct
Converts to
Common Stock
56.76 shares
Shares
−56.76
Strike price
Held after
800.48
Exercisable
—
9/20/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Dividend Equivalent Rights Direct | Common Stock83.30 shares | 9/17/2026 | A · Award | +83.30 | — | 857.24 | |
| Dividend Equivalent Rights Direct | Common Stock56.76 shares | 9/20/2026 | M · Option Exercise | −56.76 | — | 800.48 |
Non-Derivative Holdings (Post-Transaction)2
Common Stock
IndirectShares owned112.50K
Common Stock
IndirectShares owned209K
Total
321.50K indirect321.50K
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Stock | 112.50K | Indirect |
| Common Stock | 209K | Indirect |
| Total | 321.50K | 321.50K indirect |
Derivative Holdings (Post-Transaction)0
No derivative holdings reported