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 Chief Sales & Marketing Officer Brian Scott Davis reported routine equity compensation activity involving common stock and related rights. On May 25, 2026, 971 shares of common stock were disposed of at $484.28 per share to satisfy tax obligations upon vesting, leaving 103,300 common shares directly owned after that withholding event.
On the same date, Davis also exercised dividend equivalent rights that converted into 7.3619 shares of common stock on a one-for-one basis tied to vested restricted stock units, with remaining dividend equivalent rights of 192.8438. After the common stock acquisition from these conversions, direct ownership increased to 104,271 common shares. No open-market purchases or sales were reported; the activity reflects vesting, derivative conversion, and tax withholding.
Company: WDC Rule 144 notice reporting intended and recent restricted‑stock dispositions by Cynthia Lock Tregillis.
The filing lists 214 restricted shares identified for sale on 05/25/2026, and shows recent past sales: 9,324 shares on 03/04/2026, 363 shares on 04/21/2026, 106 shares on 05/21/2026, and 308 shares on 05/22/2026. Dollar figures are shown alongside each sale in the excerpt.
WESTERN DIGITAL CORP Chief Legal Officer Cynthia L. Tregillis reported a small mix of stock transactions. She sold 106 shares of common stock in an open-market sale at $458.87 per share, executed under a pre-arranged Rule 10b5-1 trading plan.
On the same dates, shares were also withheld to cover tax obligations tied to vesting, totaling 1,487 shares treated as F-code tax-withholding dispositions, not open-market sales. She additionally acquired a small number of shares through exercises of dividend equivalent rights. After these transactions, she directly holds 118,443 shares of Western Digital common stock, indicating the sale represents a very small portion of her overall position.
Western Digital CEO Irving Tan reported routine equity award activity involving a small number of shares. On May 20 and 21, 2026, Tan exercised dividend equivalent rights tied to vested restricted stock units, receiving modest amounts of common stock. In connection with these vestings, the company withheld a total of 732 shares of common stock to cover tax obligations, as permitted under Rule 16b-3(e). After these transactions, Tan directly holds roughly 598,000 shares of Western Digital common stock, indicating these moves were minor relative to his overall position.
WESTERN DIGITAL CORP Chief Financial Officer Kris Sennesael reported equity compensation-related transactions involving company stock. On May 20, 2026, he exercised awards linked to Dividend Equivalent Rights, converting 141.6534 rights into an equal number of common shares. In connection with vesting, the company withheld 18,374 common shares at $459.62 per share to satisfy tax obligations under Rule 16b-3(e). After these transactions, Sennesael directly held 169,733 shares of Western Digital common stock, indicating a routine adjustment from compensation vesting rather than an open-market trade.
Western Digital Corp executive Gubbi Vidyadhara K, Chief of Global Operations, reported routine equity compensation activity involving stock vesting and tax withholding. On May 20 and 21, 2026, dividend equivalent rights tied to restricted stock units converted into a total of about 9.76 shares of common stock in two steps.
To cover tax obligations on these vestings, the company withheld 593 shares on May 20 at $459.62 per share and 693 shares on May 21 at $486.46 per share, coded as F transactions. These are not open‑market sales but share-withholding for taxes under Rule 16b-3(e).
After the transactions, Vidyadhara directly held 88,764 shares of Western Digital common stock. No open‑market purchases or sales were reported; the filing reflects compensation-related vesting, derivative conversion, and associated tax withholding.
Western Digital’s Chief Sales & Marketing Officer Brian Scott Davis reported routine equity compensation-related transactions. On May 20 and 21, 2026, he exercised dividend equivalent rights and related awards, acquiring additional common stock, and had shares withheld to cover tax obligations tied to vesting.
The filing shows 1,309 shares of common stock were disposed of as tax-withholding under code F, while derivative exercises under code M converted dividend equivalent rights into common stock. After these transactions, Davis directly held 104,264 shares of Western Digital common stock.
Cynthia Lock Tregillis reported open‑market dispositions of Common Stock under Rule 144. The filing lists multiple sales in 2026, including 9,324 shares on 03/04/2026 for $2,501,381.80, and smaller transactions such as 308 shares on 05/21/2026 for $150,491.88. The shares are described as Restricted Stock.
Morgan Stanley Smith Barney LLC Executive Financial Services submitted a Form 144 notice for proposed sale of restricted common stock on 05/20/2026 with execution via NASDAQ. The excerpt lists recent sales by Cynthia Lock Tregillis on multiple dates in 2026, showing individual dispositions and dollar amounts.
WESTERN DIGITAL CORP director Bruce E. Kiddoo reported a charitable stock donation. On May 15, he transferred 100 shares of Common Stock as a bona fide gift to a charitable organization at a reported price of $0.00 per share, indicating no sale proceeds. After this gift, he directly holds 4,653 shares of Western Digital common stock. This is a non-market, non-cash transaction that reflects a personal donation rather than a typical buy or sell in the open market.