Form 4: Western Digital Director Sells 5,800 Shares in Pre-Planned Trades

Western Digital Corporation Director Martin I. Cole sold 5,800 shares of common stock for approximately $1.59 million through a pre-arranged Rule 10b5-1 trading plan.

Summary

• Martin I. Cole, a Director at Western Digital Corporation (WDC), disposed of a total of 5,800 shares of common stock.
• The sales occurred on March 2, 2026, across multiple transactions.
• The shares were sold at weighted average prices ranging from $263.66 to $281.99 per share.
• The total proceeds from these sales are approximately $1,594,900 (calculated as 100*$263.66 + 300*$265.7 + 300*$267.8067 + 634*$268.837 + 966*$269.7213 + 1400*$271.681 + 1100*$272.5581 + 200*$273.565 + 300*$274.8667 + 200*$276.525 + 100*$277.16 + 107*$278.973 + 193*$280.725).
• These transactions were executed pursuant to a Rule 10b5-1 trading plan adopted by Mr. Cole on August 1, 2025.
• Following these sales, Mr. Cole's direct beneficial ownership in Western Digital common stock stands at 29,533 shares.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral event. While insider selling can sometimes be a negative signal, the disclosure that these sales were made pursuant to a pre-arranged Rule 10b5-1 plan mitigates concerns that the sales are based on new, non-public negative information.

Negatives

• A director's sale of a significant number of shares, even if pre-planned, can sometimes be perceived as a lack of confidence in the company's near-term prospects by some investors.

Future Outlook

The filing does not contain any forward-looking statements or guidance regarding the company's future performance.

Management Comments

• The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Industry Context

StockSavvy.ai notes that this Form 4 filing is a routine disclosure of an insider transaction and does not provide information directly related to broader industry trends in the data storage or semiconductor sectors. Such transactions are common among executives and directors for personal financial planning.

Stakeholder Impact

• Shareholders may interpret the director's sale as a signal, though the pre-planned nature of the transaction (Rule 10b5-1 plan) suggests it is for personal financial management rather than a reaction to new company-specific information.

Next Steps

• The Reporting Person has undertaken to provide full information regarding the number of shares sold at each separate price upon request from the Issuer, security holders, or the SEC staff.

Key Dates

Recommendation

The filing reports a pre-planned insider sale by a director. While insider selling can sometimes be a bearish signal, the existence of a Rule 10b5-1 plan indicates these sales were scheduled in advance and are likely for personal financial planning rather than a reflection of new negative company developments. Therefore, this single transaction, without additional context from financial performance or strategic updates, does not warrant a change in investment recommendation. Investors should monitor future filings and company performance for more comprehensive insights.

Keywords

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