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Gubbi Vidyadhara K reported acquisition or exercise transactions in this Form 4 filing.
Western Digital Corp Chief of Global Operations Gubbi Vidyadhara K received a small compensation-related award of dividend equivalent rights tied to existing restricted stock units. The award covers 14.0786 dividend equivalent rights, bringing his total to 237.1611, each linked to one share of common stock or its cash value.
Feller Brad reported acquisition or exercise transactions in this Form 4 filing.
Western Digital Corp SVP & Chief Accounting Officer Brad Feller received a grant of 2.0887 Dividend Equivalent Rights tied to previously awarded restricted stock units. Each right represents a contingent right to receive one share of Western Digital common stock or its cash value. Following this grant, he holds a total of 13.2295 Dividend Equivalent Rights directly.
DOLUCA TUNC reported acquisition or exercise transactions in this Form 4 filing.
Western Digital Corp director Tunc Doluca reported a compensation-related award of 0.3342 Dividend Equivalent Rights tied to previously granted restricted stock units. After this grant, he holds 2.1166 Dividend Equivalent Rights. Each right represents a contingent right to receive one share of Western Digital common stock or its cash value, vesting proportionately with the underlying RSUs.
Western Digital Chief Sales & Marketing Officer Brian Scott Davis reported routine equity compensation activity. On 2026-06-20, 961 shares of common stock were disposed of to cover tax obligations at $746.23 per share, while 7 shares were acquired through a derivative exercise. He also received and exercised dividend equivalent rights tied to restricted stock units, and now directly holds 101,603 common shares.
Das Manuvir reported acquisition or exercise transactions in this Form 4 filing.
Western Digital Corp director Manuvir Das reported a small equity-based compensation grant. He received 0.1626 dividend equivalent rights tied to previously awarded restricted stock units. Each right corresponds to 0.1626 underlying shares of Western Digital common stock or their cash value, vesting proportionately with the related RSUs.
Cole Martin I reported acquisition or exercise transactions in this Form 4 filing.
WESTERN DIGITAL CORP director Cole Martin I reported a small compensation-related award tied to existing equity grants. On June 17, 2026, he received 0.4038 Dividend Equivalent Rights, each linked to previously awarded restricted stock units and representing a contingent right to receive one share of common stock or its cash value. Following this award, his holdings of these derivative rights total 2.5573 units, which will vest proportionately with the underlying RSUs.
Alexy Kimberly reported acquisition or exercise transactions in this Form 4 filing.
Western Digital director Kimberly Alexy received a grant of 0.3342 Dividend Equivalent Rights linked to previously awarded restricted stock units. These rights vest in step with the related RSUs and represent a contingent right to receive one share of common stock or its cash value per right. Following this award, Alexy holds 2.1166 Dividend Equivalent Rights in total, reflecting routine, compensation-related accruals rather than any open-market buying or selling of Western Digital stock.
WESTERN DIGITAL CORP director Cole Martin I reported open-market sales of company common stock. On June 9, 2026, he sold a total of 720 shares in 14 separate transactions at prices generally in the low-to-mid $530s per share. Footnotes state these sales were made under a pre-arranged Rule 10b5-1 trading plan adopted on March 5, 2026, indicating the trades were scheduled in advance rather than timed discretionarily.
Western Digital director Cole Martin I reported open-market sales of 3,280 shares of common stock on June 9, 2026. All 30 transactions were sales executed under a pre-arranged Rule 10b5-1 trading plan adopted on March 5, 2026.
The trades were completed at various prices, with footnotes indicating sale prices ranging from a low of $483.99 to a high of $527.60 per share. Following the individual trades, the filing shows Martin’s reported holdings in Western Digital stock remaining in the tens of thousands of shares, so he continues to retain a sizable stake.
Western Digital Corporation entered into privately negotiated exchange agreements with certain institutional investors. The company agreed to exchange 1,038,681 shares of Sandisk Corporation common stock it holds for shares of Western Digital common stock held by those investors.
The number of Western Digital shares to be exchanged will be based on the volume-weighted average prices of Sandisk stock and Western Digital common stock over a three-day measurement period on June 16-18, 2026. The exchange transactions are expected to close on June 22, 2026, subject to customary closing conditions.