Form 4: WDC Executive Gene Zamiska Sells Shares After RSU Vesting

Western Digital's SVP of Global Accounting, Gene Zamiska, reported the vesting of restricted stock units and subsequent sale of shares under a pre-arranged trading plan.

Summary

• Gene M. Zamiska, SVP, Global Accounting & Chief at Western Digital Corp (WDC), reported transactions involving company common stock and derivative securities.
• On August 21, 2025, 36,517 shares of common stock were acquired at a price of $0.0 upon the vesting of restricted stock units.
• Concurrently, 6.1142 dividend equivalent rights were converted into common stock on a one-for-one basis due to RSU vesting, with a fractional amount settled in cash.
• To cover tax obligations incident to the vesting of securities, 1,797 shares were disposed of at a price of $74.66 on August 21, 2025.
• Additionally, 3,160 shares were sold at $75.68 on August 21, 2025, and 1,828 shares were sold at $74.78 on August 22, 2025.
• These sales were executed pursuant to a Rule 10b5-1 trading plan adopted by Mr. Zamiska on March 6, 2025.
• Following these reported transactions, Mr. Zamiska beneficially owns 29,732 shares of common stock and 50.2625 derivative securities.

Sentiment

Score: 5

Explanation: Neutral. This filing reports routine insider transactions (RSU vesting, tax withholding, and planned sales) which are common for executives and do not inherently indicate positive or negative company performance.

Positives

• The vesting of 36,517 restricted stock units represents a significant component of executive compensation, aligning management's interests with shareholder value.
• The conversion of dividend equivalent rights into common stock further increases the executive's equity stake in the company.

Negatives

• A total of 6,785 shares (1,797 for tax withholding, 3,160 and 1,828 under 10b5-1 plan) were sold by a senior executive, reducing their direct ownership in the company.

Future Outlook

NA

Industry Context

NA

Key Dates

Recommendation

This Form 4 filing details routine insider transactions, specifically the vesting of restricted stock units and subsequent sales under a pre-arranged 10b5-1 trading plan. Such transactions are common for executives and do not typically signal a change in the company's fundamental outlook or performance. The sales are pre-scheduled, mitigating concerns about opportunistic selling. Therefore, based solely on this filing, there is no new information to warrant a change from a 'hold' position.

Keywords

Western Digital, WDC, Gene Zamiska, Form 4, Insider Trading, Stock Sale, RSU Vesting, Rule 10b5-1, Executive Compensation, Equity Transactions