An affiliate of Western Digital Corporation filed a Form 144 notice on October 29, 2026, disclosing a proposed sale of 4,000 shares of common stock by Martin I Cole through J.P. Morgan Securities LLC on Nasdaq.

Key Highlights

  • Seller: Martin I Cole, identified as an affiliate of Western Digital Corporation, with shares held through the Martin I Cole Revocable Trust, Martin I Cole as Trustee.
  • Shares proposed for sale: 4,000 shares of Western Digital common stock, with an aggregate market value of $1,585,680.
  • Shares outstanding: 374,323,269 shares of common stock reported as outstanding at the time of filing.
  • Acquisition date: The shares were acquired on November 14, 2023, as compensation from the issuer.
  • Approximate date of sale: October 29, 2026, on Nasdaq, through J.P. Morgan Securities LLC.
  • Rule 10b5-1 plan: A written trading plan was adopted on March 5, 2026, under Rule 10b5-1 of the Exchange Act.
  • Prior sales: No securities of the issuer were sold by Martin I Cole in the past three months, according to the filing.

Western Digital Affiliate Martin Cole Notices Proposed Common Stock Sale Under Rule 144

According to the Form 144 filing submitted to the U.S. Securities and Exchange Commission, Martin I Cole, an affiliate of Western Digital Corporation (NASDAQ:WDC), has provided notice of a proposed sale of 4,000 shares of Western Digital common stock. The sale is expected to occur on or around October 29, 2026, and is to be executed on the Nasdaq exchange through J.P. Morgan Securities LLC, located at 270 Park Avenue, 10th Floor, New York, NY 10017. The aggregate market value of the shares proposed for sale is listed as $1,585,680.

The filing discloses that the 4,000 shares were acquired on November 14, 2023, through compensation from the issuer. The shares are described as being sold by the Martin I Cole Revocable Trust, with Martin I Cole serving as Trustee. The filing also notes that a written trading plan relying on Rule 10b5-1 under the Exchange Act was adopted on March 5, 2026, and the proposed sale is being conducted in reliance on that plan.

The filing reports that Martin I Cole had no sales of Western Digital securities during the three months preceding the notice date. Western Digital's SEC file number is listed as 001-08703, and its principal office address is given as 5601 Great Oaks Parkway, San Jose, California 95119.

What Was Disclosed

A Form 144 notice was filed on October 29, 2026, by affiliate Martin I Cole, disclosing a proposed sale of 4,000 Western Digital common shares with an aggregate market value of $1,585,680, to be executed through J.P. Morgan Securities LLC under a Rule 10b5-1 plan adopted March 5, 2026.