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 Corp executive Gubbi Vidyadhara K, Chief of Global Operations, sold 8,518 shares of common stock in an open-market transaction. The shares were sold at an average price of $255.325 per share. After this sale, he continues to hold 99,276 Western Digital shares directly.
VIDYADHARA K GUBBI reported a proposed sale of 10,148 common shares dated 03/04/2026 for an aggregate amount of $2,743,110.02.
WESTERN DIGITAL CORP Chief Legal Officer and Corporate Secretary Cynthia L. Tregillis reported multiple transactions in the company’s common stock. She sold a total of 9,324 shares in open-market sales, including 777 shares at $257.91 per share and 8,547 shares at a weighted average price of $269.2156 per share, under a Rule 10b5-1 trading plan adopted on May 23, 2025.
She also acquired 23 shares of common stock upon the conversion of 23.8133 dividend equivalent rights tied to restricted stock units, and 2,798 shares were withheld at $250.61 per share to cover tax obligations related to vesting. After these transactions, she directly held 121,682 shares of common stock and 304.413 dividend equivalent rights.
Western Digital Corp Chief Executive Officer Irving Tan reported equity award activity involving dividend equivalents and common stock. On March 3, 2026, dividend equivalent rights representing 92.8686 units were converted into and paid in 92 shares of Western Digital common stock in connection with the vesting of related restricted stock units. A separate cash payment settled a fractional dividend equivalent right.
On the same date, 3,512 shares of common stock were disposed of at $250.61 per share to satisfy tax withholding obligations tied to the vesting of securities, a non-open-market, tax-related transaction. After these transactions, Tan directly held 619,143 shares of Western Digital common stock.
Western Digital executive Gubbi Vidyadhara K, Chief of Global Operations, reported multiple stock moves. On March 4, 2026, he sold a total of 10,148 shares of common stock in open-market transactions at prices around $269–$271, leaving 107,794 shares held directly afterward.
On March 3, 2026, dividend equivalent rights tied to restricted stock units converted into 47 shares of common stock, and 7,054 shares were withheld to cover tax obligations in connection with vesting, as permitted under Rule 16b-3(e).
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.