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.
Western Digital filings document material events for an operating storage company whose common stock trades on the Nasdaq Global Select Market under WDC. Recent 8-K disclosures record quarterly operating and financial results, dividend and capital-structure matters, shareholder voting and governance items, and material agreements.
The filing record also describes security-structure changes, including the mandatory conversion of Series A Convertible Perpetual Preferred Stock into common stock, the Certificate of Elimination for that preferred series, and redemptions or discharge of senior-note obligations. These documents frame WD's public-company reporting around results, debt and equity instruments, governance, and corporate actions following the completed Flash business separation.
Gene M. Zamiska, SVP & Principal Accounting Officer of Western Digital Corp. (WDC), reported insider activity on 08/27/2025–08/28/2025. Dividend equivalent rights were converted into common shares on a one-for-one basis in connection with restricted stock unit vesting, producing an acquisition entry and increasing reported shares received; a fractional dividend equivalent was settled in cash. The filer had 345 shares withheld to satisfy tax obligations related to vesting. Additionally, 353 shares were sold on 08/28/2025 under a Rule 10b5-1 trading plan adopted March 6, 2025. Following these events the reporting person beneficially owned 27,425 shares directly. All transactions are reported as direct ownership.
Cynthia Tregillis, Chief Legal Officer & Corporate Secretary of Western Digital Corporation (WDC), reported equity awards and withholding related to vesting. On 08/26/2025 she was granted 16,554 restricted stock units that vest into common stock. On 08/27/2025 dividend equivalent rights tied to those RSUs were converted into shares on a one-for-one basis and 1.1421 dividend-equivalent shares were recorded. Also on 08/27/2025, 266 shares were withheld to satisfy tax obligations at an indicated price of $80.67, leaving 150,874 shares beneficially owned after the transactions.
Western Digital Corp. insider filing: The Form 4 reports that Irving Tan, who serves as both Chief Executive Officer and a director, was granted 74,162 restricted stock units (RSUs) on 08/26/2025. Each RSU represents a contingent right to one share of the company’s common stock and the reported acquisition price is shown as $0.0, consistent with a compensation grant rather than an open-market purchase. After this grant, the filing reports Mr. Tan beneficially owns 666,212 shares. The form was signed on behalf of the reporting person by an attorney-in-fact on 08/28/2025.
Western Digital Corp. reported a grant of 27,810 restricted stock units (RSUs) to Ahmed Shihab Mohammed, the company's Chief Product Officer, with a transaction date of 08/26/2025. Each RSU represents a contingent right to one share of common stock and the reported price is $0.0, indicating a grant rather than a purchase. After the grant, the reporting person is shown as beneficially owning 184,234 shares. The Form 4 was signed by an attorney-in-fact on behalf of Ahmed Shihab Mohammed on 08/28/2025.
Western Digital Corp. (WDC) Form 4 reports that Kris Sennesael, Chief Financial Officer, was granted 34,763 restricted stock units (RSUs) on 08/26/2025. Each RSU represents a contingent right to receive one share of the company’s common stock when vested. After the grant, Mr. Sennesael beneficially owned 206,547 shares in total on a direct basis. The reported grant lists a price of $0.0, consistent with a compensation award rather than an open-market purchase. The form was signed by an attorney-in-fact on behalf of the reporting person on 08/28/2025.
Insider transaction report for Western Digital Corp. (WDC). Vidyadhara K. Gubbi, listed as Chief of Global Operations and an officer, received restricted stock units that converted into common stock and recorded related dividend equivalent share payments and a tax-withholding share disposition. On 08/26/2025 the reporting person was credited with 16,554 shares from a restricted stock unit grant, raising beneficial ownership to 163,346 shares. On 08/27/2025 a separate administrative conversion (code M) added 1 share to reach 163,347 shares, and 408 shares were surrendered to satisfy tax withholding at a reported price of $80.67, reducing holdings to 162,939 shares. Dividend equivalent rights totaling 1.3904 underlying shares were converted and paid in shares, resulting in 154.9011 shares reported as derivative-related beneficial ownership. The Form 4 is signed by an attorney-in-fact on 08/28/2025.
Brian Scott Davis, Chief Sales & Marketing Officer of Western Digital Corp (WDC), reported insider transactions dated August 26-27, 2025. The filing shows a grant of 13,243 restricted stock units (RSUs) on 08/26/2025, which vest and are settled as common stock. On 08/27/2025 dividend equivalent rights were converted into 1.5019 shares and paid in common stock, and 441 shares were withheld and disposed to satisfy tax withholding at a price of $80.67 per share. After these transactions the reporting person beneficially owned 135,971 shares (direct).
Form 144 filed for Western Digital Corp. (WDC). The filer notifies a proposed sale of 353 common shares valued at $28,557.70 to be executed on 08/28/2025 through Morgan Stanley Smith Barney LLC on NASDAQ. The reported shares were acquired as restricted stock on 08/27/2025 from the issuer and payment was recorded on the same date. The filing also discloses five prior sales by the same person in the last three months, totaling 7,776 shares with listed gross proceeds for each transaction. The filing includes the representation that the seller is not aware of undisclosed material adverse information about the issuer.
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.