BlackRock, Inc. filed Amendment No. 4 to Schedule 13G with the SEC on October 27, 2026, disclosing beneficial ownership of 11,085,551 shares of Sandisk Corp common stock as of September 30, 2026.

Key Highlights

  • Aggregate beneficial ownership: BlackRock reported beneficial ownership of 11,085,551 shares of Sandisk Corp common stock, representing 7.7% of the class.
  • Sole voting power: BlackRock disclosed sole voting power over 10,088,654 shares.
  • Sole dispositive power: BlackRock reported sole dispositive power over 11,085,551 shares.
  • Shared voting and dispositive power: Both shared voting power and shared dispositive power are reported as 0.
  • Event date: The triggering date of the event requiring this filing is September 30, 2026.
  • Filing basis: BlackRock is classified as a parent holding company (type HC), incorporated in Delaware, with principal offices at 50 Hudson Yards, New York, NY 10001.

BlackRock's Schedule 13G Amendment on Sandisk Corp Common Stock

BlackRock, Inc. filed Amendment No. 4 to its Schedule 13G regarding its holdings in Sandisk Corp (CUSIP 80004C200), according to the filing. The statement covers common stock of Sandisk Corp, whose principal executive offices are located at 951 Sandisk Drive, Milpitas, CA 95035. The event triggering the amendment occurred on September 30, 2026, and the filing was signed by Spencer Fleming, Managing Director of BlackRock, Inc., on October 27, 2026.

According to the filing, BlackRock beneficially owns 11,085,551 shares in aggregate, equal to 7.7% of the class. Of that total, the company holds sole voting power over 10,088,654 shares and sole dispositive power over the full 11,085,551 shares. The filing reports no shared voting power and no shared dispositive power. BlackRock noted that the Schedule 13G reflects securities "beneficially owned, or deemed to be beneficially owned, by certain business units (collectively, the 'Reporting Business Units') of BlackRock, Inc. and its subsidiaries and affiliates," and does not include securities held by other business units whose beneficial ownership is disaggregated in accordance with SEC Release No. 34-39538.

With respect to Item 6, the filing states that "various persons have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of the common stock of Sandisk Corp," and affirms that no single person's interest exceeds five percent of the total outstanding common shares. The filing also references Exhibit 99 for the identification and classification of the relevant subsidiary under Item 7, and includes Exhibit 24 as a Power of Attorney.

What Was Disclosed

BlackRock, Inc. disclosed through Amendment No. 4 to Schedule 13G that it beneficially owns 11,085,551 shares of Sandisk Corp common stock, representing 7.7% of the class, with sole voting power over 10,088,654 shares, as of September 30, 2026.