Western Digital (WDC) Form 4 Filings

WESTERN DIGITAL CORP Chief Executive Officer Irving Tan reported several equity-related transactions involving dividend equivalent rights and common stock. On February 21, dividend equivalent rights were exercised and converted into 21.0000 shares of common stock, with a related position of dividend equivalent rights at 995.4988 units following the transaction.

That same day, 523.0000 shares of common stock were disposed of at 285.5200 per share to cover tax obligations, leaving 622961.0000 shares of common stock directly owned. On February 20, additional dividend equivalent rights converted into 11.0000 shares of common stock, and 134.0000 shares of common stock were similarly withheld at 285.5200 per share for taxes.

Western Digital’s Chief of Global Operations, Vidyadhara K. Gubbi, reported small equity-related transactions tied to restricted stock units and dividend equivalent rights on February 20 and 21, 2026.

Dividend equivalent rights were converted into common stock on a one-for-one basis, adding a few shares to his direct holdings. On both dates, shares of common stock were also disposed of to cover tax obligations upon vesting, as allowed under Rule 16b-3(e). After these transactions, Gubbi directly owned just under 126,000 shares of Western Digital common stock.

Western Digital Chief Sales & Marketing Officer Brian Scott Davis reported small equity adjustments tied to vesting awards. On February 20–21, dividend equivalent rights converted into common stock, adding a few shares at no cost, while a total of 936 shares of common stock were withheld and disposed of at $285.52 per share to cover tax obligations under Rule 16b-3(e). These transactions reflect routine settlement of equity compensation rather than open-market trading.

WESTERN DIGITAL CORP’s Chief Sales & Marketing Officer Brian Scott Davis reported selling 10,000 shares of common stock in a series of open-market transactions on February 17, 2026. These sales were executed under a pre-arranged Rule 10b5-1 trading plan adopted on November 3, 2025, which allows insiders to sell shares according to a preset schedule. Following these transactions, Davis directly owned 121,792 shares of Western Digital common stock.

Western Digital Corporation director Bruce E. Kiddoo reported a gift transfer of company stock. On February 12, 2026, he disposed of 910 shares of Western Digital common stock as a bona fide gift to his adult children at a reported price of $0.00 per share. After this transaction, he beneficially owned 4,753 shares of Western Digital common stock in direct ownership. The filing notes that he disclaims beneficial ownership of the gifted shares.

Western Digital Corporation’s Chief Legal Officer and Corporate Secretary, Cynthia Tregillis, reported selling 6,780 shares of Western Digital common stock on February 6, 2026, at a price of $270.49 per share. After this sale, she directly owned 136,538 shares of Western Digital common stock.

Western Digital Corp. director Matthew E. Massengill reported a series of pre‑planned stock sales on February 5, 2026 by a family trust associated with him. The trust sold multiple blocks of Western Digital common stock, including 7,000 shares at $258.6719 and 5,987 shares at $260.5707, under a Rule 10b5‑1 trading plan adopted on November 6, 2025.

After these trust sales, Massengill reported 28,897 shares of Western Digital common stock held directly and another 500 shares held indirectly through an IRA, while the family trust reported no remaining shares.

Western Digital Corporation reported that its Chief Executive Officer and director, Irving Tan, sold shares of the company’s common stock on February 2, 2026, in a series of open-market transactions.

The sales were made under a Rule 10b5-1 trading plan adopted on May 12, 2025, at weighted average prices reflecting multiple trades in ranges starting around $242.02 and reaching per-share sale prices up to $262.55. After completing these transactions, Tan directly beneficially owned 623,586 shares of Western Digital common stock.

Western Digital’s Chief Legal Officer and Corporate Secretary, Cynthia L. Tregillis, reported several equity transactions in company stock. On January 21, 2026, she sold 447 shares of common stock at $229 per share, leaving her with 143,318 common shares held directly. The filing states these sales were made under a Rule 10b5-1 trading plan adopted on May 23, 2025.

On January 20, 2026, dividend equivalent rights tied to restricted stock units were converted on a one-for-one basis into 11 shares of common stock at an exercise price of $0.0. The same day, 842 shares were withheld at $222.97 per share to cover tax obligations upon vesting. After these derivative transactions, she held 347.4621 dividend equivalent rights in addition to her common stock position.

Western Digital Corporation (WDC) reported insider equity transactions by its Chief Legal Officer and Corporate Secretary, Cynthia Tregillis. On 11/25/2025, dividend equivalent rights converted into 5 shares of common stock at $0.0, increasing her direct holdings to 148,102 shares. On the same date, 770 shares of common stock were withheld at $155.41 per share to cover tax obligations related to vesting, leaving her with 147,332 directly owned shares. A related derivative position in dividend equivalent rights shows 5.16 underlying common shares involved in the transaction and 276.1717 derivative rights remaining beneficially owned.

Western Digital Corp (WDC) Chief Executive Officer and Director Irving Tan reported equity transactions in company stock. On 11/25/2025, dividend equivalent rights tied to previously granted restricted stock units were converted into 21 shares of Western Digital common stock at an exercise price of $0.0, increasing his direct holdings.

On the same date, 374 shares of common stock were withheld at a price of $155.41 per share to cover tax obligations related to vesting, a common administrative step for equity awards. After these transactions, Tan directly owned 644,510 shares of Western Digital common stock. These changes reflect routine equity award vesting and related tax withholding rather than an open-market purchase or sale.

Western Digital Corp (WDC) reported an insider stock transaction by a board member. Director Roxanne M. Oulman sold 1,800 shares of Western Digital common stock on 11/25/2025 at a price of $154.42 per share, as coded "S" for a sale. After this transaction, she directly owned 3,863 shares of the company’s common stock. The filing is for one reporting person and indicates her role as a director of Western Digital.

Western Digital Corp (WDC) reported an insider equity transaction by its Chief of Global Operations, Vidyadhara K. Gubbi, on 11/25/2025. A small number of dividend equivalent rights converted into shares of common stock at an exercise price of $0.0, contributing to a beneficial ownership position of 150,323 shares immediately after that transaction. On the same date, 1,142 shares of common stock were withheld and disposed of at $155.41 per share to cover tax obligations related to vesting, leaving the officer with 149,181 shares held directly.

Western Digital Corporation (WDC) filed a Form 4 reporting routine equity transactions by its Chief Sales & Marketing Officer, Brian Scott Davis. On 11/25/2025, 5 shares of common stock were acquired at $0.0 per share in connection with the conversion of dividend equivalent rights tied to previously granted restricted stock units. On the same date, 971 shares of common stock were withheld at $155.41 per share to satisfy tax obligations related to vesting, as permitted under Rule 16b-3(e).

After these transactions, Davis directly beneficially owned 132,748 shares of Western Digital common stock. In addition, 181.6825 dividend equivalent rights remained beneficially owned as derivative securities, each representing the right to receive one share of common stock upon vesting of the related restricted stock units.

Western Digital Corp. director transaction: A director of Western Digital Corp. (WDC) reported selling 1,768 shares of common stock on 11/25/2025 at a price of $154 per share. After this sale, the director directly holds 3,585 shares and indirectly holds 25,722 shares through a family trust. The filing indicates the transaction was reported on a Form 4 as a sale of non-derivative common stock, with no derivative securities activity disclosed.

Western Digital Corp (WDC) reported insider equity activity by its Chief Legal Officer and Corporate Secretary, Cynthia Tregillis, in a Form 4. On 11/20/2025 and 11/21/2025, dividend equivalent rights tied to restricted stock units were converted on a one-for-one basis into shares of Western Digital common stock at an exercise price of $0.0, increasing her direct holdings.

On the same dates, shares of common stock were withheld to cover tax obligations related to the vesting of these equity awards, at prices of $140.23 for 379 shares and $139.19 for 1,108 shares. After these transactions, Tregillis directly held 148,097 shares of Western Digital common stock and 281.3317 dividend equivalent rights.

Western Digital Corp (WDC) reported insider equity activity by its Chief Executive Officer and director. On 11/20/2025 and 11/21/2025, dividend equivalent rights tied to restricted stock units were converted into, and paid in the form of, shares of Western Digital common stock on a one-for-one basis, with a small cash payment to settle a fractional right. On the same dates, shares were withheld to satisfy tax obligations in accordance with Rule 16b-3(e), at prices of $140.23 and $139.19 per share. After these transactions, the reporting person beneficially owned 644,863 shares of Western Digital common stock directly.

Western Digital Corp (WDC) Chief Financial Officer Kris Sennesael reported routine equity compensation activity. On 11/20/2025, 99 shares of common stock were acquired at $0.0 in connection with the conversion of dividend equivalent rights tied to vested restricted stock units. To cover tax obligations on the vesting, 18,680 shares were withheld at a price of $140.23 per share.

After these transactions, Sennesael directly owned 187,966 shares of Western Digital common stock. He also held 387.6468 dividend equivalent rights as derivative securities, which can convert into additional common shares in connection with future vesting events.

Western Digital Corporation (WDC) reported insider equity activity by its Chief of Global Operations on 11/20/202511/21/2025$0.0592$140.23693$139.19

Following these transactions, the insider directly owned 150,317

Western Digital Corporation reported an insider equity award for a senior executive. On 11/20/2025, the company’s SVP & Chief Accounting Officer received a grant of 9,907 restricted stock units of Western Digital common stock. The filing notes that each restricted stock unit represents a contingent right to receive one share of common stock, meaning the executive will receive shares in the future if the vesting conditions are met. The transaction is reported as an acquisition at a stated price of $0.0, which is typical for stock-based compensation grants rather than an open-market purchase.

Western Digital Corporation’s Chief Sales & Marketing Officer filed a Form 4 reporting routine equity-based compensation activity. On 11/20/2025 and 11/21/2025, dividend equivalent rights tied to restricted stock units were converted into shares of Western Digital common stock on a one-for-one basis at an exercise price of $0.0, consistent with stock-based awards.

On each date, a portion of shares was withheld to cover tax obligations, including 715 shares at a price of $140.23 and 592 shares at $139.19. Following these transactions, the reporting person directly beneficially owned 133,714 shares of Western Digital common stock. The activity reflects standard settlement and tax withholding mechanics for vested equity awards.

Western Digital Corp. (WDC) director Stephanie A. Streeter reported changes in her holdings of the company’s stock. On 11/20/2025, she received 1,585 shares of common stock through a grant of restricted stock units, at a stated price of $0.0 per share, held directly.

On 11/19/2025, dividend equivalent rights tied to her restricted stock units were converted into and paid in the form of common stock. This included 16 shares shown in Table I and 16.8276 dividend equivalent rights in Table II, which were settled in stock with a small cash payment for the fractional right. Following these transactions, she beneficially owned 40,407 shares indirectly through a Family Trust.

The filing notes that this indirect total also reflects Streeter’s contribution of personally held shares to the Family Trust, vesting of restricted stock units whose underlying shares were issued to the trust, and 1,984 additional stock units credited to her in connection with Western Digital’s spin-off of a former wholly owned subsidiary on February 21, 2025, based on an equity conversion ratio of 1.452526 stock units for every existing Issuer stock unit.

Western Digital Corp. (WDC) reported a Form 4 insider transaction for director Matthew E. Massengill dated 11/20/2025. He received a grant of 1,585 restricted stock units, each representing a contingent right to one share of Western Digital common stock at no cash cost.

After this grant, Massengill beneficially owns 28,897 common shares directly, 36,926 indirectly through a family trust, and 500 indirectly through an IRA. The filing notes that these holdings include 8,508 additional stock units received in connection with Western Digital’s February 21, 2025 spin-off, where each outstanding stock unit was adjusted using an equity conversion ratio of 1.452526 per unit under an Employee Matters Agreement.

Western Digital Corporation (WDC) director equity update. Director Roxanne M. Oulman reported equity transactions in Western Digital common stock and related awards. On 11/19/2025, 10 shares of common stock were acquired at a price of $0.0 through the conversion of dividend equivalent rights, bringing her directly held beneficial ownership to 4,078 shares.

On 11/20/2025, she received a grant of 1,585 restricted stock units, each representing a contingent right to one share of Western Digital common stock. After this grant, her directly held beneficial ownership increased to 5,663 shares. A small fractional dividend equivalent right was settled in cash, while the rest were paid in shares on a one-for-one basis when related restricted stock units vested.

Western Digital Corporation director reports new equity awards. A Western Digital (WDC) director filed a Form 4 disclosing equity-related transactions on 11/19/2025 and 11/20/2025. On 11/19/2025, dividend equivalent rights tied to previously granted restricted stock units converted into 10 shares of common stock at $0.0 per share, increasing the director’s direct holdings.

On 11/20/2025, the director received a grant of 1,585 restricted stock units, each representing a contingent right to one share of Western Digital common stock. After these transactions, the director directly beneficially owned 5,663 shares of Western Digital common stock. A small cash amount was also paid to settle a fractional dividend equivalent right.

Western Digital Corp. (WDC) director equity activity centers on restricted stock units and related adjustments. The reporting person received a grant of 1,585 restricted stock units of Western Digital common stock at a stated price of $0.0 per share, reflecting a stock-based compensation award. A separate transaction on 11/19/2025 shows 14 shares of common stock acquired through the exercise of derivative securities.

Following these transactions, 1,585 shares of common stock are held directly and 37,849 shares are held indirectly through a family trust. The filing explains that 14.4258 dividend equivalent rights were converted into common stock on a one-for-one basis as related restricted stock units vested, with a small cash payment for the fractional right. It also notes an additional 1,701 stock units credited in connection with Western Digital’s February 21, 2025 spin-off, based on an equity conversion ratio of 1.452526 stock units for every outstanding stock unit.

Western Digital Corp (WDC) reported insider equity activity by a director. On 11/19/2025, dividend equivalent rights tied to previously granted restricted stock units were converted into and paid in the form of 14 shares of common stock, with a small cash payment for a fractional right. Following this, the director beneficially owned 39,518 shares of common stock.

On 11/20/2025, the director received a grant of 1,915 restricted stock units, each representing a contingent right to one share of Western Digital common stock. After these transactions, the director's beneficial ownership increased to 41,433 shares held directly.

Western Digital Corp. director equity transactions were reported for November 2025. On 11/19/2025, dividend equivalent rights tied to previously granted restricted stock units were converted into and paid in the form of common stock on a one-for-one basis, resulting in an acquisition of common shares at a stated price of $0.0 per share and the elimination of the related derivative balance. On 11/20/2025, the director received a grant of 1,585 restricted stock units, each representing a contingent right to receive one share of Western Digital common stock. Following these transactions, the director held 5,353 shares of common stock directly and 25,722 shares indirectly through a family trust.

Western Digital (WDC): Director stock sale reported. A company director reported open-market sales totaling 10,000 shares of common stock on 11/05/2025 under a pre-set Rule 10b5-1 trading plan adopted on August 1, 2025. Trades executed in multiple lots showed weighted average prices from $152.99 to $164.9907. Following these transactions, the reporting person beneficially owns 39,504 shares, held directly.

The filing notes prior adjustments from the issuer’s February 21, 2025 spin-off, including 1,701 additional stock units based on an equity conversion ratio of 1.452526 per stock unit.

Western Digital (WDC) reported insider activity by CEO and director Irving Tan. On 11/03/2025, he sold a total of 20,000 shares of common stock in multiple tranches under a Rule 10b5-1 trading plan adopted on May 12, 2025. The weighted average sale prices ranged from $149.0176 to $153.9309, with underlying trade price ranges spanning $148.38 to $154.30. Following these transactions, Tan beneficially owned 645,467 shares of Western Digital common stock.