WESTERN DIGITAL CORP 4

Cole Martin I sold 3,744 shares of Western Digital Corp common stock in multiple Rule 10b5-1 plan trades totaling about $1.66 million on July 28, 2026.

On July 28, 2026, reporting person Cole Martin I of Western Digital Corp executed a series of automatic Rule 10b5-1 plan sales totaling 3,744 shares of Western Digital common stock, across numerous small trades priced between approximately $424.05 and $461.23 per share. These transactions, all coded as open-market or private sales (transaction code "S"), generated an estimated aggregate value of roughly $1.66 million and reduced Martin’s direct holdings from 25,369 shares to 21,625 shares. The footnotes clarify that each reported price is a weighted average from multiple trades within narrow intraday ranges and that full breakdowns of individual execution prices are available upon request, underscoring the planned and programmatic nature of the selling activity.

Filing Facts

CIK

106040

Ticker

WDC

Form

4

Source Type

sec

Accession

0001266824-26-000163

Alert Tier

9