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.
The Western Digital Corporation (WDC) SEC filings page on Stock Titan provides access to the company’s regulatory disclosures filed with the U.S. Securities and Exchange Commission. Western Digital’s common stock is listed on The Nasdaq Stock Market LLC (Nasdaq Global Select Market) under the symbol WDC, and its filings offer detailed information on financial performance, governance, compensation and material events.
Key filings for Western Digital include annual and quarterly reports, which explain how the company’s hard disk drive (HDD) focused data storage strategy translates into reported results. These reports discuss revenue, margins, operating income, cash flow and the impact of structural changes such as the separation of its Flash business into Sandisk Corporation, which is reflected as discontinued operations prior to the separation date and is no longer consolidated afterward.
Current reports on Form 8-K provide timely updates on material events. For Western Digital, recent 8-K filings have disclosed quarterly earnings announcements, the appointment of a Senior Vice President and Chief Accounting Officer with related compensation terms, and the results of the annual meeting, including director elections, advisory votes on executive compensation, approval of an amended and restated employee stock purchase plan and ratification of the independent registered public accounting firm.
Definitive proxy statements on Schedule 14A supply additional detail on Western Digital’s strategy, board composition, executive compensation framework and shareholder voting matters. On Stock Titan, AI-powered summaries help explain the key points in these lengthy documents, highlight important sections and clarify how items such as compensation plans, governance practices and strategic pillars relate to the company’s HDD-centered data storage business.
Users can review Western Digital’s filings history, track new submissions from EDGAR in near real time and use AI-generated insights to understand complex disclosures without reading every line. This includes quickly grasping the implications of governance changes, stockholder votes, capital allocation decisions and other regulatory information that may be relevant to analyzing WDC as a data storage stock.
Gene M. Zamiska, Senior Vice President & Principal Accounting Officer of Western Digital Corporation (WDC), reported multiple transactions in the issuer's common stock on August 25-26, 2025. On 08/25/2025 dividend equivalent rights were converted into 2.7201 shares upon RSU vesting and paid in kind, increasing his holding to 29,734 shares. Also on 08/25/2025 798 shares were withheld to satisfy taxes at an average implied price of $79.22, leaving 28,936 shares. On 08/26/2025 he sold 814 shares under a Rule 10b5-1 plan at an average price of $79.10, leaving 28,122 shares.
The Form 4 was signed by an attorney-in-fact on 08/27/2025. Explanations note conversion of dividend equivalents, tax-withholding for vesting, and that the sale was pursuant to a March 6, 2025 Rule 10b5-1 trading plan.
Cynthia L. Tregillis, Chief Legal Officer and Corporate Secretary of Western Digital Corporation (WDC), reported related-party equity activity on 08/25/2025. The filing shows the conversion of dividend equivalent rights into 135,354 shares of common stock in connection with restricted stock unit vesting, with a fractional cash settlement. Concurrently, 769 shares were withheld and disposed of at $79.22 per share to satisfy tax withholding obligations, leaving reported beneficial ownership figures shown on the form. The transactions were reported via Form 4 and executed under standard plan provisions.
Irving Tan, Chief Executive Officer and Director of Western Digital Corporation (WDC), reported insider transactions dated 08/25/2025. He received 13.5952 shares through conversion of dividend equivalent rights that vested and were paid one-for-one in common stock, with a cash payment for a fractional share. Separately, 247 shares were withheld and disposed to satisfy tax withholding at $79.22 per share. Reported beneficial ownership following the acquisition was 592,297 shares, and following the withholding disposal was 592,050 shares. The Form 4 was signed by an attorney-in-fact on behalf of Mr. Tan on 08/27/2025.
Insider activity at Western Digital (WDC): Vidyadhara K. Gubbi, Chief of Global Operations and an officer of Western Digital, reported transactions on 08/25/2025. Dividend equivalent rights were converted into common stock on a one-for-one basis when related restricted stock units vested, with fractional dividend equivalents settled in cash.
The report shows an addition of shares via conversion (listed as 3.8841 dividend-equivalent units converting to common stock) and a separate withholding disposition of 1,140 shares to satisfy tax withholding at an average price of $79.22. Beneficial ownership after the reported transactions is shown as 146,792 shares (down from 147,932 prior to the withholding transaction). The Form 4 is signed by an attorney-in-fact on behalf of Mr. Gubbi on 08/27/2025.
Brian Scott Davis, Chief Sales & Marketing Officer of Western Digital Corporation (WDC), reported Section 16 transactions dated 08/25/2025. Dividend equivalent rights tied to vested restricted stock units were converted into common shares on a one-for-one basis, with fractional amounts paid in cash. As part of the vesting, 969 shares were withheld to satisfy tax obligations at an indicated price of $79.22 per share. Following these transactions the reporting person is shown as beneficially owning 124,137 common shares (direct). The Form 4 was signed by an attorney-in-fact on behalf of Mr. Davis on 08/27/2025.
Gene M. Zamiska, Senior Vice President, Global Accounting & Chief at Western Digital Corporation (WDC), reported multiple transactions in the issuer's common stock associated with the vesting of restricted stock units and planned sales under a Rule 10b5-1 trading plan. Dividend equivalent rights tied to RSUs converted into 6.1142 shares and were paid in common stock on a one-for-one basis, with a fractional cash settlement. Withholding to satisfy taxes resulted in 1,797 shares disposed at a price of $74.66 per share. Separate open-market sales under a 10b5-1 plan disposed of 3,160 shares at $75.68 and 1,828 shares at $74.78, reducing beneficial ownership to 29,732 shares after the reported trades.
The transactions include both non-derivative share acquisitions from RSU settlement and routine dispositions pursuant to a pre-established trading plan, showing a net decline in direct holdings following tax withholding and planned sales.
Cynthia Tregillis, Chief Legal Officer and Corporate Secretary of Western Digital Corp (WDC), reported insider transactions on 08/21/2025 and 08/22/2025. On 08/21/2025 dividend equivalent rights were converted into common stock on a one-for-one basis and paid in shares, resulting in a reported beneficial ownership of 153,846 shares following that transaction. Also on 08/21/2025, 4,428 shares were withheld to satisfy tax obligations, reducing ownership to 149,418. On 08/22/2025 the reporting person sold 14,067 shares at an average price of $74.78 under a Rule 10b5-1 trading plan adopted May 23, 2025, leaving 135,351 shares beneficially owned. The Form 4 was signed on behalf of the reporting person by an attorney-in-fact on 08/25/2025.
Irving Tan, Chief Executive Officer and Director of Western Digital Corporation, reported routine insider transactions related to equity awards. The filing shows a conversion of dividend equivalent rights into common stock on a one-for-one basis that resulted in an award of 42.4531 shares (with a fractional share settled in cash). The report also discloses a sale of 1,490 shares at $74.66 per share.
After these transactions, the reported beneficial ownership figures shown on the form were 593,774 shares and 592,284 shares on separate reported lines, with derivative holdings listed as 542.5677 shares following the conversion. Taxes related to vesting were satisfied by withholding shares.
Vidyadhara K. Gubbi, Chief of Global Operations at Western Digital Corporation (WDC), reported insider transactions dated 08/21/2025. The filing shows conversion of dividend equivalent rights into shares and payment of a fractional cash amount, resulting in beneficial ownership changes. It also discloses withholding of 2,773 shares sold at $74.66 to satisfy tax obligations tied to vesting, leaving the reporting person with 147,929 shares after the transactions. The derivative entry reflects 9.4357 shares from dividend equivalent rights and a reported total of 160.1756 derivative units following the transaction. All transactions were filed on Form 4 and executed under standard Rule 16 reporting conventions.
Brian Scott Davis, Chief Sales & Marketing Officer at Western Digital Corp (WDC), reported insider transactions dated 08/21/2025. The filing shows the conversion of dividend equivalent rights into common stock, resulting in an acquisition recorded as an non‑derivative addition that brought beneficial ownership to 126,505 shares before a subsequent withholding disposition. A separate disposition of 2,371 shares occurred at a price of $74.66 to satisfy tax withholding, leaving reported beneficial ownership of 124,134 shares. Transactions were signed by an attorney‑in‑fact on 08/25/2025. The filing notes fractional dividend equivalents were settled in cash.