Sandisk (SNDK)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-09-03 10b5-1 Pre-arranged Plan: Yes --- 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: 2026-09-03 | Code: F (Payment of exercise/tax) Shares: -2,271 | Price: $1,554.99 Total Value: $3,531,382.29 Shares Owned After: 27,613 | 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: 2026-09-08 | Code: S (Open market sale) Shares: -2,308 | Price: $1,767.33 Total Value: $4,078,997.64 Shares Owned After: 25,305 | Ownership: D (Direct) Footnotes: [F2] The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 4, 2026. --- Footnotes (Complete Index) --- F1: Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e). F2: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 4, 2026. --- Signature --- /s/ By: /s/ Sharon Spehar Attorney-in-Fact For: Bernard Shek (2026-09-08)