Arkolith/Insider Trading/WDC/Form 4

Tregillis Cynthia L

Chief Legal Officer & Corp SecWESTERN DIGITAL CORP (WDC) · full profile →Form 4 · filed May 22, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$49K
Net Open-Market Flow
-$49K
Transactions
7
5 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
May 21, 2026Tax withholding(F)1K$486.46$539K119K
May 21, 2026Option exercise(M)10—$0120K
May 21, 2026Sell(S)106$458.87$49K118K
May 20, 2026Option exercise(M)3—$0120K
May 20, 2026Tax withholding(F)379$459.62$174K120K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
May 21, 2026Option exercise(M)11—$0318
May 20, 2026Option exercise(M)4—$0329

Transaction Codes

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

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001266824-26-000099) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML