Thomas Caulfield - 12 May 2026 Form 4 Insider Report for Sandisk Corp (SNDK)

Reporting relationship: Director
Issuer ticker: SNDK
Reported as of: 12 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 14 May 2026, 17:36:17 UTC
Prior SEC filing: 05 May 2026
Next SEC filing: 04 Jun 2026
Source filing: View source filing
Reporting owner signature: By: /s/ Van Huynh Attorney-in-Fact For: Thomas Caulfield

Key filing fact

Thomas Caulfield filed Form 4 for Sandisk Corp (SNDK) on 14 May 2026.

Key facts

This page summarizes Thomas Caulfield's Form 4 filing for Sandisk Corp (SNDK).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 14 May 2026, 17:36.

Change

Previous filing in this sequence was filed on 05 May 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001342570 Primary reporting owner

Caulfield Thomas

Relationship: Director
Address: C/O SANDISK CORPORATION, 951 SANDISK DRIVE, MILPITAS
Signature: By: /s/ Van Huynh Attorney-in-Fact For: Thomas Caulfield
Signature date: 14 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SNDK transaction

Common Stock

Gift

Transaction value
Shares: -9,666
Change %: -67%
Price: $0.000000^*
Shares after: 4,834
Date: 12 May 2026
Ownership: Spouse's Trust
Footnotes: F1

SNDK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2,312
Date: 12 May 2026
Ownership: Direct

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

On May 12, 2026, the Reporting Person's Spouse's Trust gifted 9,666 shares to irrevocable trusts for the benefit of the Reporting Person's children for estate planning purposes. The Reporting Person disclaims beneficial ownership of these shares, which are now held by a third-party trustee, and they are no longer indirectly owned by the Reporting Person.