Western Digital SEC Filings

Cynthia L. Tregillis, Chief Legal Officer and Corporate Secretary of Western Digital Corporation (WDC), reported a change in beneficial ownership. The Form 4 discloses a transaction dated 09/18/2025 reflecting the accrual and acquisition of 118.2565 dividend equivalent rights tied to previously awarded restricted stock units (RSUs); each right converts to one share or its cash value and vests proportionately with the related RSUs. Following the reported transaction, the filing shows 300.0616 shares beneficially owned. The Form 4 was executed by an attorney-in-fact on 09/22/2025 and includes the issuer address and reporting-person role.

Irving Tan, identified as a Director and Chief Executive Officer of Western Digital Corporation (WDC), reported transactions on Form 4 for 09/18/2025 and 09/20/2025. Dividend equivalent rights tied to previously awarded restricted stock units converted into common stock on a one-for-one basis, resulting in acquisitions recorded as 368.7967 shares (09/18/2025) and 34.5851 shares (09/20/2025). In connection with RSU vesting and tax withholding, 779 shares were disposed of at $106.63 per share. Following the reported transactions, Tan beneficially owned 665,467 shares of WDC common stock (direct ownership) and retained derivative rights underlying roughly 863.1841 shares. The form was signed by an attorney-in-fact on behalf of Mr. Tan on 09/22/2025.

Stephanie A. Streeter, a director of Western Digital Corporation (WDC), reported the acquisition of 6.0673 dividend equivalent rights on 09/18/2025. The filing states these dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) and vest proportionately with those RSUs; each right represents a contingent entitlement to one share of common stock or its cash value.

After the reported transaction the filing shows 16.8276 shares beneficially owned following the transaction and indicates the transaction was reported on Form 4 and signed on behalf of the reporting person by an attorney-in-fact on 09/22/2025. No prices were reported for the dividend equivalent rights.

Ahmed Mohammed Shihab, Chief Product Officer at Western Digital Corporation (WDC), reported on Form 4 that 175.462 dividend equivalent rights related to previously awarded restricted stock units (RSUs) were acquired on 09/18/2025 and converted into 175.462 shares of common stock at a $0.0 price (they represent contingent rights to one share or cash value). After this transaction the reporting person beneficially owns 439.7364 shares directly. The filing explains the dividend equivalent rights vest proportionately with the underlying RSUs and each right corresponds to one share or its cash value.

Western Digital Corp (WDC) Form 4: Kris Sennesael, Chief Financial Officer, reported a transaction dated 09/18/2025 in which 196.707 dividend equivalent rights related to previously awarded restricted stock units (RSUs) were acquired. The filing shows 486.9318 shares beneficially owned following the reported transaction, held directly. The dividend equivalent rights accrue and vest proportionately with the related RSUs, and each right represents a contingent entitlement to one share of common stock or its cash value. The Form 4 was submitted by attorney-in-fact Sandra Garcia on 09/22/2025.

Form 4 for Western Digital Corp (WDC) reports that Roxanne M. Oulman, a director, had dividend equivalent rights credited in connection with previously awarded restricted stock units (RSUs). The filing shows a transaction dated 09/18/2025 described as an acquisition of 3.8753 dividend equivalent rights (each contingent to receive one share or cash) with an indicated price of $0.0. Following the reported transaction the filing lists 10.7481 shares beneficially owned (direct). The Form 4 was signed on behalf of Ms. Oulman by an attorney-in-fact, Sandra Garcia, on 09/22/2025. No option exercise price or cash purchase was reported; the entry is described as dividend equivalents that vest proportionately with underlying RSUs.

Matthew E. Massengill, a director of Western Digital Corporation (WDC), was issued 26.0182 shares as dividend equivalent rights tied to previously awarded restricted stock units (RSUs). The filing reports the dividend equivalents accrued on RSUs and that they vest proportionately with the underlying RSUs; each dividend equivalent represents a contingent right to receive one share of common stock or its cash value. The Form 4 reports the transaction date as 09/18/2025 and is signed by an attorney-in-fact on 09/22/2025.

Bruce E. Kiddoo, a director of Western Digital Corporation (WDC), is reporting a change in beneficial ownership dated 09/18/2025. The Form 4 shows the acquisition of 3.8753 dividend equivalent rights tied to previously awarded restricted stock units; these rights vest proportionately with the RSUs and each represents a contingent right to one share of common stock or the cash value instead. After the reported transaction, Mr. Kiddoo is shown as directly owning 10.7481 shares or share-equivalents. The form is signed on behalf of Mr. Kiddoo by an attorney-in-fact on 09/22/2025.

Vidyadhara K. Gubbi, Chief of Global Operations at Western Digital (WDC), reported acquisition of dividend equivalent rights tied to previously awarded restricted stock units (RSUs). The Form 4 shows on 09/18/2025 an acquisition of 103.087 dividend equivalent rights, each representing a contingent claim to one share or cash value, recorded at $0.00. After the transaction the reporting person beneficially owns 257.9881 shares directly. The filing explains these rights vest proportionately with the underlying RSUs.