SNDK: Financial results · Other company developments

Item 2.02 Results of Operations and Financial Condition. On October 29, 2026 , Sandisk Corporation (the “Company”) announced financial results for the fiscal first quarter ended October 2, 2026. A copy of the press release making this announcement is attached hereto as Exhibit 99.1 and is incorporated herein by reference. In accordance with General Instruction B.2 of Form 8-K, the information in this Item 2.02, including Exhibit 99.1, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing. Item 8.01 Other Events. On October 29, 2026, Sandisk Corporation (the “Company”) announced that its Board of Directors approved an eight-for-one forward stock split (the “Stock Split”) of its common stock, par value $0.01 per share ("Common Stock"). The Stock Split will be effected through an amendment (the “Charter Amendment”) to the Company’s Amended and Restated Certificate of Incorporation. The Charter Amendment, when effected, will proportionately increase the number of authorized shares of the Company’s Common Stock from 450 million to 3.6 billion. In connection with the Stock Split, each of the Company’s stockholders of record as of the close of business on November 9, 2026 will receive seven additional shares for each share held, which will be issued after market close on Thursday, November 19, 2026. The Company’s Common Stock is expected to begin trading on a post-split basis at the market open on Friday,