Alper Ilkbahar - 20 Aug 2026 Form 4 Insider Report for Sandisk Corp (SNDK)

Reporting relationship: EVP, Chief Technology Officer
Issuer ticker: SNDK
Reported as of: 20 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 24 Aug 2026, 17:50:30 UTC
Prior SEC filing: 02 Jun 2026
Next SEC filing: 27 Aug 2026
Source filing: View source filing
Reporting owner signature: By: /s/ Van Huynh Attorney-in-Fact For: Alper Ilkbahar

Key filing fact

Alper Ilkbahar filed Form 4 for Sandisk Corp (SNDK) on 24 Aug 2026.

Key facts

This page summarizes Alper Ilkbahar's Form 4 filing for Sandisk Corp (SNDK).
5 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 24 Aug 2026, 17:50.

Change

Previous filing in this sequence was filed on 02 Jun 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 0002059630 Primary reporting owner

Ilkbahar Alper

Relationship: EVP, Chief Technology Officer
Address: C/O SANDISK CORPORATION, 951 SANDISK DRIVE, MILPITAS
Signature: By: /s/ Van Huynh Attorney-in-Fact For: Alper Ilkbahar
Signature date: 24 Aug 2026

Reported non-derivative transactions

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

SNDK transaction

Common Stock

Options Exercise

Transaction value
Shares: +276
Change %: +0.55%
Price: $0.000000^*
Shares after: 50,259
Date: 20 Aug 2026
Ownership: Direct
Footnotes: F1

SNDK transaction

Common Stock

Tax liability

Transaction value
Shares: -276
Change %: -0.55%
Price: $1600.62^*
Shares after: 49,983
Date: 20 Aug 2026
Ownership: Direct
Footnotes: F2

SNDK transaction

Common Stock

Tax liability

Transaction value
Shares: -163
Change %: -0.33%
Price: $1600.62^*
Shares after: 49,820
Date: 20 Aug 2026
Ownership: Direct
Footnotes: F3

SNDK transaction

Common Stock

Tax liability

Transaction value
Shares: -320
Change %: -0.64%
Price: $1596.08^*
Shares after: 49,500
Date: 21 Aug 2026
Ownership: Direct
Footnotes: F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

SNDK transaction Derivative

Performance Shares

Options Exercise

Transaction value
Shares: -276
Change %: -0.19%
Price: $0.000000^*
Shares after: 148,770
Date: 20 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 276
Exercise price
Footnotes: F1

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

The reported transaction reflects the conversion of performance stock units to shares solely for the purpose of satisfying FICA tax withholding obligations as a result of the Reporting Person's retirement eligibility. The number of shares represents what was necessary to satisfy the FICA tax liability and related taxes attributable to the conversion itself, of which the shares were simultaneously forfeited to pay for the taxes.

Footnote F2

Represents shares withheld to satisfy the reporting person's tax withholding obligation in connection with the transaction described in Footnote (1) and is exempt pursuant to Rule 16b-3(e).

Footnote F3

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