Sandisk (SNDK)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-08-20 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: Sandisk Corp (SNDK) CIK: 0002023554 --- Reporting Owner --- Name: Shek Bernard CIK: 0002060144 Role: Officer (Chief Legal Officer & Secty) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-08-20 | Code: F (Payment of exercise/tax) Shares: -111 | Price: $1,600.62 Total Value: $177,668.82 Shares Owned After: 30,804 | Ownership: D (Direct) Footnotes: [F1] Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e). [Transaction #2] Security: Common Stock Date: 2026-08-21 | Code: F (Payment of exercise/tax) Shares: -108 | Price: $1,596.08 Total Value: $172,376.64 Shares Owned After: 30,696 | Ownership: D (Direct) Footnotes: [F1] Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e). --- Footnotes (Complete Index) --- F1: Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e). --- Signature --- /s/ By: /s/ Van Huynh Attorney-in-Fact For: Bernard Shek (2026-08-24)