Sandisk Corp — Director's Dealing 2025

Mar 5, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Sandisk Corp (SNDK)
CIK: 0002023554
Period of Report: 2025-02-28

Reporting Person: Caulfield Thomas (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-02-28	Common Stock	A	5693	—	Acquired	11685	Direct
2025-03-03	Common Stock	A	4148	—	Acquired	15833	Direct

Footnotes

F1: In connection with the Spin-Off, each WDC Restricted Stock Unit ("WDC RSU") held by the reporting person immediately prior to the Spin-Off was converted into Sandisk Restricted Stock Unit ("Sandisk RSU") using the Spinco ratio as per the agreement, and shall have substantially the same vesting and other applicable terms and conditions as the corresponding WDC RSUs immediately prior to the Spin-Off.

F2: Includes 5,992 shares of Sandisk Common Stock acquired in connection with the spin-off from Western Digital Corporation ("WDC") effective February 21, 2025 (the "Spin-Off"), as further described in the Issuer's current report on Form 8-K filed on February 24, 2025, where each WDC shareholder received one-third (1/3) of one share of Sandisk Common Stock for each share of WDC common stock held. Such acquisition was exempt from Section 16 of the Securities Exchange Act of 1934, as amended("Exchange Act") pursuant to Rule 16a-9 under the Exchange Act.

F3: Represents the grant of restricted stock units to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.