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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Managed Account Advisors LLC reports beneficial ownership of 22,178,966 shares of Western Digital Corp common stock, representing 6.4% of the class. The filing states the adviser has sole dispositive power over 22,176,462 shares and shared dispositive power over 2,504 shares, while reporting no sole or shared voting power.
The statement affirms the shares are held in the ordinary course of business and not for the purpose of changing or influencing control of the issuer. This disclosure provides investors with material transparency about a sizeable economic stake without indicating voting influence or an expressed intent to alter corporate control.
Western Digital Corp insider Vidyadhara K. Gubbi, Chief of Global Ops, reported two direct sales of common stock: 3,947 shares sold on 08/11/2025 at $74.875, leaving 160,276 shares, and 5,597 shares sold on 08/13/2025 at $76.26, leaving 154,679 shares.
Western Digital Corp. (WDC) filed a Form 144 disclosing a proposed sale of 5,597 common shares with an aggregate market value of $426,827.22, intended to trade on NASDAQ around 08/13/2025. The filing states the issuer has 348,878,365 shares outstanding, making the planned sale about 0.0016% of outstanding shares.
The securities were acquired recently as compensation: 4,142 shares from a 08/25/2024 restricted stock grant and 1,455 performance shares from 08/27/2024. The filer also reported prior dispositions in the past three months totaling 3,947 shares sold on 08/11/2025 for gross proceeds of $295,531.64. The notice includes the standard attestation that no undisclosed material adverse information is known to the seller.
Western Digital Corp. (WDC) submitted a Form 144 reporting a proposed sale of 3,947 shares of common stock with an aggregate market value of $295,531.63. The sale is listed as approximately occurring on 08/11/2025 on NASDAQ through broker Morgan Stanley Smith Barney LLC.
The shares to be sold are restricted stock acquired from the issuer on multiple dates in 2024 (totaling 3,947 shares: 538, 371, 538, 335, 485, and 1,680). The filer reports no securities sold in the past three months and includes the standard representation that they do not possess undisclosed material adverse information about the issuer.
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.
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