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 CORPORATION (WDC) received a Rule 144 notice from officer Cynthia Lock Tregillis covering a proposed sale of 476 shares of common stock through Morgan Stanley Smith Barney LLC Executive Financial Services on NASDAQ. The notice also lists prior sales of WDC common stock over the past three months, including 684 shares on August 24, 2026 and 808 shares on July 21, 2026.
Western Digital Corporation (WDC) entered into separate, privately negotiated exchange agreements with certain holders of its 3.00% Convertible Senior Notes due 2028. Holders agreed to exchange approximately $191.0 million aggregate principal amount of these notes for consideration consisting of about $192.7 million in cash (covering principal and accrued and unpaid interest) plus common shares. The number of Exchange Shares will equal the remaining conversion value of the exchanged notes, calculated using the volume-weighted average price of WDC common stock on August 26, 2026. The exchanges are expected to close on or after September 2, 2026, subject to customary closing conditions, and are being conducted under a Section 4(a)(2) Securities Act exemption.
WESTERN DIGITAL CORP (WDC) insider Cynthia L. Tregillis, Chief Legal Officer & Corp Sec, reported multiple equity transactions. On August 21 and 24, 2026 she sold 235 and 684 shares of common stock at $477.27 and $446.17 per share, respectively, with both sales effected pursuant to a Rule 10b5-1 trading plan adopted on March 6, 2026. Around August 20–21, dividend equivalent rights related to restricted stock units were converted into common shares on a one-for-one basis, and a total of 1,488 shares was withheld at prices of $469.05 and $459.44 per share to satisfy tax obligations under Rule 16b-3(e).
WESTERN DIGITAL CORP (WDC) reported that Chief Executive Officer and director Irving Tan had dividend equivalent rights convert into common stock and related tax withholdings. On August 20 and 21, 2026, dividend equivalent rights were converted one-for-one into small amounts of common stock in connection with the vesting of restricted stock units, with any fractional right settled in cash. On those same dates, shares of common stock were withheld to satisfy tax obligations upon vesting in accordance with Rule 16b-3(e). These are compensation-related conversions and tax-withholding events rather than open-market purchases or sales.
WESTERN DIGITAL CORP (WDC) reported Form 4 transactions by executive Vidyadhara K. Gubbi, Chief of Global Operations, related to equity award vesting on August 20–21, 2026. Dividend Equivalent Rights were exercised and converted one-for-one into a total of 10.3029 shares of Common Stock, resulting in acquisitions of 4 and 5 shares of Common Stock in two transactions at a stated price of $0.00 per share. In connection with the vesting of the related restricted stock units, 592 and 694 shares of Common Stock (total 1,286 shares) were withheld and disposed of under code F at $469.05 and $459.44 per share, respectively, as payment of tax obligations pursuant to Rule 16b-3(e). The filing shows no open-market purchases or sales, only award conversion and tax-withholding activity.
WESTERN DIGITAL CORP (WDC) reported insider equity compensation activity by Chief Sales & Marketing Officer Brian Scott Davis. On August 20 and 21, 2026, dividend equivalent rights tied to vested restricted stock units were converted into common stock on a one-for-one basis, resulting in the delivery of a total of 9 shares of common stock to the executive, with fractional rights settled in cash. On both dates, a total of 1,309 common shares were withheld and disposed of to satisfy tax obligations, as permitted under Rule 16b-3(e). The filing indicates these are compensation- and tax-related transactions rather than open-market purchases or sales.
WESTERN DIGITAL CORPORATION (WDC) has an officer, Cynthia Lock Tregillis, filing a Rule 144 notice for a planned sale of 684 shares of Western Digital common stock. The proposed sale is through Morgan Stanley Smith Barney LLC Executive Financial Services on 08/24/2026 on NASDAQ.
The shares are described as Restricted Stock. The filing also lists prior sales of Western Digital common stock by Cynthia Lock Tregillis during the past three months, with multiple transactions in May, June, July, and August 2026, each showing the number of shares and aggregate dollar value sold.
WESTERN DIGITAL CORPORATION (symbol WDC) is the issuer for a notice filed by officer Cynthia Lock Tregillis under Rule 144, indicating an intention to sell 235 shares of common stock. The shares are to be sold through Morgan Stanley Smith Barney LLC Executive Financial Services, with an indicated transaction value of $112,158.45 and listing venue NASDAQ.
The 235 common shares were acquired on 08/20/2026 as Restricted Stock from the issuer. The notice also lists prior sales of Western Digital common stock by Cynthia Lock Tregillis during the past three months, including transactions of 808 shares for $427,941.04 on 07/21/2026, 432 shares for $235,699.20 on 06/05/2026, 214 shares for $115,480.82 on 05/27/2026, and 308 shares for $150,491.88 on 05/22/2026.
Western Digital Corporation describes a HDD-focused data storage business centered on cloud, client and consumer end markets. High-capacity enterprise HDDs for hyperscale and other cloud customers are the largest and fastest-growing segment, supported by proprietary head and media manufacturing and a roadmap including ePMR, OptiNAND, UltraSMR and HAMR.
The company reports approximately 4,700 active patents, vertically integrated global manufacturing in Asia and the U.S., and extensive strategic supplier relationships, some sole‑source. It employed about 40,000 people across 24 countries at the end of 2026, with heavy concentration in Asia Pacific.
Risk factors highlight dependence on a small number of cloud customers, rapid technology transitions, supply chain concentration, macroeconomic and geopolitical pressures, cybersecurity threats and AI-related regulatory and operational uncertainties. Customer concentration is significant, and the business is cyclical and sensitive to hyperscale spending patterns. The company also emphasizes sustainability initiatives, including increased carbon‑free energy use and circularity programs.
Western Digital Corp (WDC) Chief Executive Officer and director Irving Tan reported open-market sales of 20,000 shares of common stock on 2026-08-11, executed in seven separate transactions. The sales, at weighted average prices ranging from lows of $440.77 to highs of $447.88 per share, were carried out under a Rule 10b5-1 trading plan adopted on February 5, 2026.