[Form 4] Sandisk Corporation Insider Trading Activity

Rhea-AI Filing Summary

Form 4 Filing Details: Bernard Shek, Chief Legal Officer & Secretary of Sandisk Corp (SNDK), reported a transaction dated June 20, 2025. The insider disposed of 184 shares of Common Stock at $46.58 per share through a tax withholding transaction (Code F).

Key Transaction Details:

• Transaction was executed to satisfy tax obligations through withholding of securities (Rule 16b-3(e))
• Following the transaction, Shek directly owns 17,452 shares
• Filing was signed by Van Huynh as Attorney-in-Fact on June 24, 2025

This routine tax-related transaction represents a small portion of the executive's total holdings and appears to be related to the vesting of securities. No derivative securities were involved in this transaction.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Shek Bernard

(Last) (First) (Middle)

C/O SANDISK CORPORATION

951 SANDISK DRIVE

(Street)

MILPITAS CA 95035

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Sandisk Corp [ SNDK ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Legal Officer & Secty

3. Date of Earliest Transaction (Month/Day/Year)
06/20/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	06/20/2025		F		184(1)	D	$46.58	17,452	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

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

	By: /s/ Van Huynh Attorney-in-Fact For: Bernard Shek	06/24/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did SNDK's Chief Legal Officer Bernard Shek report on June 20, 2025?

Bernard Shek disposed of 184 shares of SNDK common stock at a price of $46.58 per share. This transaction was coded as 'F' which indicates the shares were withheld for tax payments related to the vesting of securities.

How many SNDK shares does Bernard Shek own after the June 2025 transaction?

Following the reported transaction, Bernard Shek directly owns 17,452 shares of SanDisk Corporation common stock.

What was the purpose of SNDK's insider's stock disposition in June 2025?

The disposition was for payment of tax obligations by withholding securities incident to the vesting of securities, executed in accordance with Rule 16b-3(e), as explained in the filing's footnotes.

When did SNDK's Chief Legal Officer Bernard Shek file this Form 4?

The Form 4 was filed on June 24, 2025, through Bernard Shek's attorney-in-fact Van Huynh, reporting a transaction that occurred on June 20, 2025.

What is Bernard Shek's role at SNDK according to the Form 4?

Bernard Shek serves as the Chief Legal Officer & Secretary of SanDisk Corporation (SNDK), as indicated in Section 5 of the Form 4 filing.