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.
Western Digital Chief Sales & Marketing Officer Brian Scott Davis reported equity award activity tied to vesting restricted stock units. On March 3, 2026, dividend equivalent rights converted into 23.8133 dividend equivalent rights and were paid in Western Digital common stock on a one-for-one basis in connection with RSU vesting, with a small cash payment for a fractional right.
The filing also shows the related issuance of 23 shares of common stock at a stated price of $0.0000 per share from the derivative conversion, and a disposition of 3,526 shares of common stock at $250.6100 per share to satisfy tax obligations by share withholding under Rule 16b-3(e). After these transactions, Davis directly held 116,518 shares of Western Digital common stock.
WDC-related insider filed a Form 144 proposing the resale of restricted common stock. The notice lists proposed sales of 7,175, 1,297, 759 and 917 restricted shares with trade dates in 2026. The excerpt also shows a prior sale of 8,943 shares on 12/05/2025 for $1503713.41.
Western Digital Corporation reported Form 144 notice of intended sales of its common stock by Cynthia Lock Tregillis. The excerpt lists five transactions in the past three months: 6,780 shares on 02/06/2026 for $1,833,922.20, 447 shares on 01/21/2026 for $102,363.00, 308 shares on 02/24/2026 for $86,763.60, 214 shares on 02/26/2026 for $61,227.54, and 130 shares on 02/23/2026 for $36,897.90. The filing also lists multiple restricted stock awards delivered by the issuer on dates between 01/20/2026 and 03/03/2026 totaling listed grant amounts.
Regulation 144 notice reporting proposed sales of common stock related to WDC. The filing identifies Cynthia Lock Tregillis as a selling party and lists multiple recent transactions: 02/26/2026 sale of 214 shares for $61,227.54, 02/24/2026 sale of 308 shares for $86,763.60, 02/23/2026 sale of 130 shares for $36,897.90, 02/06/2026 sale of 6,780 shares for $1,833,922.20, and 01/21/2026 sale of 447 shares for $102,363.00.
The broker/filing agent is shown as Morgan Stanley Smith Barney LLC Executive Financial Services. The form lists Restricted Stock dated 03/03/2026 under "Securities To Be Sold."
Western Digital Corp director Martin I Cole reported selling 6,000 shares of common stock in a series of open-market transactions on March 2, 2026. The trades, executed under a pre-arranged Rule 10b5-1 trading plan adopted on August 1, 2025, occurred at prices generally between about $263.66 and $281.99 per share. Following these sales, Cole directly owned 29,433 shares of Western Digital common stock.
Western Digital Corporation submitted notices of proposed resale of common stock under Rule 144. The filing lists broker-dealer placement through J.P. Morgan Securities LLC and shows recent reported transactions including 10,000 shares on 11/05/2025 and 6,000 shares on 12/01/2025, with proceeds shown as 1,613,212.27 and 975,696.03 respectively. Other entries list compensation-related share figures and grant dates.
Western Digital Corp Chief Legal Officer Cynthia L. Tregillis reported several equity transactions involving company stock. On February 26, 2026, she completed an open-market sale of 214 shares of common stock at $286.11 per share, under a pre-established Rule 10b5-1 trading plan adopted on May 23, 2025.
On February 25, 2026, dividend equivalent rights converted into 6.5619 shares of common stock on a one-for-one basis in connection with vesting restricted stock units, and 6 additional common shares were acquired through a derivative exercise. Also on that date, 770 common shares were disposed of to cover tax obligations at $290.95 per share. After these transactions, she directly owned 133,781 common shares.
Western Digital director and Chief Executive Officer Irving Tan reported equity-related transactions on February 25, 2026. Dividend equivalent rights were exercised into 27 shares of common stock at $0.00 per share, increasing his direct holdings to 622,988 shares. In a separate transaction, 425 shares of common stock were withheld at $290.95 per share to cover tax obligations related to vesting, a tax-withholding disposition rather than an open-market sale.
Western Digital Corp executive Vidyadhara K Gubbi, Chief of Global Operations, reported equity award activity involving dividend equivalent rights and common stock. On the reported date, dividend equivalent rights were exercised and converted into 7 shares of common stock, increasing his directly held common stock to 125,959 shares.
In connection with the vesting of these equity awards, 1,010 shares of common stock were withheld to cover tax obligations, reducing his direct common stock holdings to 124,949 shares. The tax withholding was executed by delivering shares rather than through an open-market sale.
Western Digital’s Chief Sales & Marketing Officer Brian Scott Davis reported equity award activity. On February 25, 2026, dividend equivalent rights were exercised and converted into 6.5619 dividend equivalent rights and 6 shares of common stock at $0.0000 per share as part of restricted stock unit vesting. Following these transactions, he held 215.0754 dividend equivalent rights and 120,870 shares of common stock before tax withholding.
To satisfy tax obligations related to the vesting, 849 shares of common stock were withheld at a value of $290.9500 per share, leaving Davis with 120,021 directly owned common shares. The filing characterizes this as payment of tax obligations by withholding securities rather than an open-market sale.