Tregillis Cynthia L

Chief Legal Officer & Corp SecWESTERN DIGITAL CORP (WDC) · full profile →Form 4 · filed Aug 28, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$696K
Net Open-Market Flow
-$696K
Transactions
9
7 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Aug 27, 2026Sell(S)1K$478.36$482K112K
Aug 26, 2026Option exercise(M)9$0115K
Aug 26, 2026Tax withholding(F)2K$468.88$765K113K
Aug 26, 2026Sell(S)476$450.78$215K115K
Aug 25, 2026Option exercise(M)7$0112K
Aug 25, 2026Tax withholding(F)771$450.75$348K111K
Aug 25, 2026Grant(A)4K$0115K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Aug 26, 2026Option exercise(M)9$0278
Aug 25, 2026Option exercise(M)8$0287

Transaction Codes

S
Open-market sale
M
Option exercise / conversion
F
Shares withheld for taxes
A
Grant / award

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001266824-26-000188) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

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