Alper Ilkbahar - 03 Sep 2026 Form 4 Insider Report for Sandisk Corp (SNDK)

Reporting relationship: EVP & Chief Technology Officer
Issuer ticker: SNDK
Reported as of: 03 Sep 2026
Net transaction value: -$625,557
SEC form: 4
Accepted by SEC: 08 Sep 2026, 20:50:14 UTC
Prior SEC filing: 27 Aug 2026
Source filing: View source filing
Reporting owner signature: By: /s/ Sharon Spehar Attorney-in-Fact For: Alper Ilkbahar

Key filing fact

Alper Ilkbahar filed Form 4 for Sandisk Corp (SNDK) on 08 Sep 2026.

Key facts

This page summarizes Alper Ilkbahar's Form 4 filing for Sandisk Corp (SNDK).
5 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 08 Sep 2026, 20:50.

Change

Previous filing in this sequence was filed on 27 Aug 2026.
Current net transaction value: -$625,557.

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 0002059630 Primary reporting owner

Ilkbahar Alper

Relationship: EVP & Chief Technology Officer
Address: C/O SANDISK CORPORATION, 951 SANDISK DRIVE, MILPITAS
Signature: By: /s/ Sharon Spehar Attorney-in-Fact For: Alper Ilkbahar
Signature date: 08 Sep 2026

Reported non-derivative transactions

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

SNDK transaction

Common Stock

Sale

Transaction value: $187,403
Shares: -120
Change %: -0.27%
Price: $1561.69
Shares after: 44,014
Date: 03 Sep 2026
Ownership: Direct
Footnotes: F1, F2, F3

SNDK transaction

Common Stock

Sale

Transaction value: $312,737
Shares: -200
Change %: -0.45%
Price: $1563.68
Shares after: 43,814
Date: 03 Sep 2026
Ownership: Direct
Footnotes: F2, F4

SNDK transaction

Common Stock

Sale

Transaction value: $62,576
Shares: -40
Change %: -0.09%
Price: $1564.40
Shares after: 43,774
Date: 03 Sep 2026
Ownership: Direct
Footnotes: F2

SNDK transaction

Common Stock

Sale

Transaction value: $62,842
Shares: -40
Change %: -0.09%
Price: $1571.04
Shares after: 43,734
Date: 03 Sep 2026
Ownership: Direct
Footnotes: F2, F5

SNDK transaction

Common Stock

Tax liability

Transaction value
Shares: -3,244
Change %: -7.4%
Price: $1554.99^*
Shares after: 40,490
Date: 03 Sep 2026
Ownership: Direct
Footnotes: F6

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

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 6 footnotes

Footnote F1

This Form 4 reports additional transactions effected on September 3, 2026 that were reported in part on a separate Form 4 filed on the same date, September 8, 2026.

Footnote F2

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 4, 2026.

Footnote F3

Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1561.31 to a high of $1562.01. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Footnote F4

Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1563.22 to a high of $1564.20. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Footnote F5

Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1571.03 to a high of $1571.25. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Footnote F6

Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).