Western Digital SEC Filings

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.

Form 144 notice for Western Digital Corp. (WDC) indicates a proposed sale of 14,067 common shares with an aggregate market value of $1,051,930.26. The shares represent part of a total outstanding share count of 346,922,126 and are slated for sale on 08/22/2025 on NASDAQ through Morgan Stanley Smith Barney LLC Executive Financial Services in New York.

The filing lists the acquisition sources for the securities being sold: 1,024 shares from an Employee Stock Purchase Plan acquired on 11/30/2023 (paid in cash); 11,852 restricted shares acquired on 11/20/2023; and 1,191 performance shares acquired on 08/27/2024. No securities sold in the past three months are reported. Certain filer and issuer identification fields are not populated in the provided text.

Form 144 filed for Western Digital Corp. (WDC) discloses a proposed sale of 1,828 common shares through Morgan Stanley Smith Barney LLC with an approximate aggregate market value of $136,697.84, and an approximate sale date of 08/22/2025 on NASDAQ. The shares were acquired as restricted stock from the issuer on 08/21/2025 and payment is recorded as 08/21/2025.

The filing also lists sales by the same person, Gene M Zamiska, during the past three months totaling multiple transactions: 2,692 shares and proceeds of $203,730.56 on 08/21/2025, 468 shares for $35,418.24 on 08/21/2025, and several June and early‑June sales totaling 1,974 shares and proceeds shown per line. The notice includes broker details and the standard signature representation regarding material nonpublic information.

Gene M. Zamiska, Senior Vice President and Principal Accounting Officer of Western Digital Corporation (WDC), reported insider transactions on 08/20/2025. Dividend equivalent rights converted into 10.5643 shares resulting from vesting of restricted stock units, increasing direct common stock holdings to 39,613 shares. Separately, 3,102 shares were withheld to cover tax obligations and disposed of at $75.64 per share, leaving 36,511 shares beneficially owned after the transactions. The Form 4 was signed on behalf of Mr. Zamiska by an attorney-in-fact on 08/21/2025.

Cynthia Tregillis, CLO and Corporate Secretary of Western Digital Corporation (WDC), reported securities transactions on Form 4 dated 08/20/2025. The filing shows conversion of dividend equivalent rights into 205.2347 shares of common stock on a one-for-one basis in connection with restricted stock unit vesting, increasing reported holdings to 156,393 shares. The filing also reports withholding of 2,565 shares to satisfy tax obligations on vesting at an average price of $75.64, reducing post-transaction beneficial ownership to 153,828 shares. Transactions were signed by an attorney-in-fact on 08/21/2025. The filing contains no other compensatory or derivative changes beyond the dividend-equivalent conversion and tax-withholding sale.

Western Digital Corp. director and Chief Executive Officer Irving Tan reported several equity transactions. On 08/19/2025 Mr. Tan sold 8,621 shares of common stock at $75.90 per share under a Rule 10b5-1 trading plan adopted May 12, 2025, leaving him with 594,836 shares beneficially owned. On 08/20/2025 he received 101 shares as dividend equivalent conversions related to vested restricted stock units and a cash payment for a fractional share, increasing reported ownership to 594,937 shares. Also on 08/20/2025 1,205 shares were disposed of to satisfy tax withholding upon vesting at a reported price of $75.64, leaving 593,732 shares beneficially owned. The Form 4 was signed by an attorney-in-fact on 08/21/2025.

Western Digital insider Vidyadhara K. Gubbi, Chief of Global Ops, reported transactions on 08/20/2025. Dividend equivalent rights from vested restricted stock units were converted and paid one-for-one in common stock, with a fractional amount settled in cash. As a result, the reporting person acquired additional common shares and held 154,690 shares following one conversion entry. Separately, 3,997 shares were disposed of at $75.64 each to satisfy tax withholding, leaving 150,693 shares reported as beneficially owned after that disposition. The Form 4 was signed by an attorney-in-fact on 08/21/2025.