Form 4: Western Digital Director Sells Shares Under 10b5-1 Plan

Western Digital Director Martin I. Cole sold 5,900 shares of common stock on December 1, 2025, through a pre-arranged Rule 10b5-1 trading plan.

Summary

• Martin I. Cole, a Director of Western Digital Corporation (WDC), reported the sale of 5,900 shares of common stock.
• All sales occurred on December 1, 2025, at weighted average prices ranging from $157.50 to $164.952 per share.
• The transactions were executed pursuant to a Rule 10b5-1 trading plan adopted by Mr. Cole on August 1, 2025.
• Following these transactions, Mr. Cole beneficially owns 35,433 shares of Western Digital common stock directly.

Sentiment

Score: 5

Explanation: The filing reports a routine insider sale under a pre-arranged Rule 10b5-1 plan, which is generally considered a neutral event for the company's fundamental outlook.

Positives

• The sales were conducted under a pre-arranged Rule 10b5-1 trading plan, indicating a systematic and pre-determined transaction rather than a reaction to immediate market conditions.

Negatives

• The reporting person's direct beneficial ownership of Western Digital common stock decreased by 5,900 shares, from 41,333 shares (before the first reported sale) to 35,433 shares.

Risks

• No specific company-related risks were mentioned in this Form 4 filing, which primarily reports an insider transaction.

Future Outlook

NA

Industry Context

This filing reports an individual insider transaction and does not provide information directly related to broader industry trends or competitive landscape.

Related Party Transactions

• The reported transactions involve the sale of common stock by Martin I. Cole, a Director of Western Digital Corporation, making it a related party transaction.

Stakeholder Impact

• Shareholders may note the reduction in direct insider ownership by a director, although the pre-planned nature of the sales under Rule 10b5-1 typically mitigates concerns about market timing.

Key Dates

Recommendation

The filing reports a routine insider sale by a director under a pre-arranged Rule 10b5-1 trading plan. Such transactions are generally not indicative of a change in the company's fundamental outlook and do not typically warrant a change in investment recommendation.

Keywords

Western Digital, WDC, Insider Trading, Form 4, Stock Sale, Director, 10b5-1 Plan, Equity Transaction