Welcome to our dedicated page for Western Digital SEC filings (Ticker: WDC), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Struggling to spot flash-pricing clues in Western Digital’s 200-page 10-K? With vertically integrated fabs spanning HDD and BiCS NAND, Western Digital’s disclosures weave together supply-chain risks, cloud-data-center demand shifts, and multi-billion-dollar cap-ex plans. Sifting through that complexity to monitor margin pressure or inventory turns can drain hours.
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Western Digital Corp (WDC) Chief of Global Operations Vidyadhara K. Gubbi reported multiple transactions on June 20, 2025:
- Acquired 28 shares of common stock through conversion of dividend equivalent rights at $0.00 per share
- Disposed of 8,218 shares at $59.29 per share for tax withholding related to restricted stock unit vesting
- Following these transactions, Gubbi directly owns 164,223 shares of WDC common stock
- Maintains 183.23 dividend equivalent rights following the reported transactions
The transactions were executed in accordance with Rule 16b-3(e) for tax obligation payment through security withholding. The Form 4 was filed by Sandra Garcia as attorney-in-fact for Gubbi on June 24, 2025, within the required reporting timeline.
Western Digital Corp (WDC) Chief Sales & Marketing Officer Brian Scott Davis reported multiple transactions on June 20, 2025:
- Acquired 28 shares through the conversion of dividend equivalent rights at $0.00 per share
- Disposed of 7,466 shares at $59.29 per share for tax withholding related to restricted stock unit vesting
- Following these transactions, Davis directly owns 131,319 shares of common stock
- Additionally holds 148.47 dividend equivalent rights
The transactions were executed in accordance with Rule 16b-3(e) for tax obligation payment through security withholding. The dividend equivalent rights were converted on a one-for-one basis in connection with restricted stock unit vesting, with fractional rights settled in cash.
On 23 June 2025, Western Digital Corp. (WDC) filed a Form 4 disclosing that its SVP & Principal Accounting Officer, Gene M. Zamiska, automatically acquired 66.941 dividend-equivalent rights on 18 June 2025. These rights relate to previously granted restricted stock units (RSUs) and carry a conversion rate of one WDC common share (or cash equivalent) per right when the underlying RSUs vest. The acquisition was reported under transaction code “A” at a price of $0.00, indicating no cash outlay by the insider. After the transaction, Zamiska’s beneficial ownership in this derivative class stands at 66.941 units. No common-stock sales or other dispositions were reported, and the filing contains no additional equity transactions.
Western Digital Corp. (WDC) – Form 4 insider transaction
Director Stephanie A. Streeter reported one transaction dated 06/18/2025. She acquired 10.7603 dividend-equivalent rights (DERs) that are linked to previously granted restricted stock units (RSUs). Each DER represents a contingent right to receive either one share of Western Digital common stock or its cash value when the underlying RSUs vest. The acquisition price was $0.00, and all DERs are held directly. Following the transaction Streeter beneficially owns 10.7603 DERs; no common shares were bought or sold in the open market.
The filing, signed on 06/23/2025 by attorney-in-fact Sandra Garcia, reflects routine accrual of dividend equivalents rather than an active share purchase or sale. No other derivative or non-derivative transactions were reported.
Western Digital Corporation (WDC) filed a Form 4 indicating that director Roxanne M. Oulman acquired 6.8728 dividend-equivalent rights on 18 June 2025. These rights stem from previously granted restricted stock units (RSUs) and will vest proportionally with the underlying RSUs. Each dividend-equivalent right represents a contingent claim to one share of common stock—or its cash value—once vesting occurs. The filing shows no purchase or sale of common shares; the transaction price is recorded at $0.00, confirming it is a routine, non-cash adjustment tied to dividend accruals. After the transaction, Oulman beneficially owns 6.8728 derivative securities directly, and her status remains that of an independent director rather than an officer or 10% holder.
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