[Form 4] Sandisk Corp Insider Trading Activity

Rhea-AI Filing Summary

Sandisk Corp (SNDK) reported an equity award to one of its directors. On 11/18/2025, the reporting person received 979 restricted stock units, each representing a contingent right to receive one share of Sandisk common stock, at a stated price of $0.0 per unit, reflecting a standard stock-based compensation grant rather than a market purchase.

After this grant, the director beneficially owns 4,769 shares of Sandisk common stock. This total includes 19 shares of Sandisk common stock received in connection with the spin-off from Western Digital Corporation, which were previously omitted from an earlier ownership report and are now reflected in the updated total.

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

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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^*

KUMAR DEVINDER

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
11/18/2025

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	11/18/2025		A		979(1)	A	$0.0	4,769(2)	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. 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.

2. Includes 19 shares of Sandisk common stock received in connection with the spin-off from Western Digital Corporation, as described in the Issuer's Form 8-K filed on February 24, 2025, that were inadvertently omitted from the Reporting Person's previous Form 4 filing.

	By: /s/ Van Huynh Attorney-in-Fact For: Devinder Kumar	11/19/2025
	** 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 Sandisk (SNDK) report in this Form 4?

The filing reports that a Sandisk director received 979 restricted stock units on 11/18/2025, each representing a contingent right to receive one share of Sandisk common stock.

How many Sandisk (SNDK) shares does the reporting person own after this transaction?

Following the reported grant, the director beneficially owns 4,769 shares of Sandisk common stock.

What is the nature of the 979 units reported for Sandisk (SNDK)?

The 979 units are restricted stock units, which give the holder a contingent right to receive one share of Sandisk common stock for each unit.

What was the reported price for the Sandisk (SNDK) restricted stock unit grant?

The restricted stock units were reported with a price of $0.0 per unit, consistent with stock-based compensation awards rather than an open-market purchase.

Why does the Sandisk (SNDK) Form 4 mention 19 additional shares?

The total includes 19 shares of Sandisk common stock received in the spin-off from Western Digital Corporation, which were inadvertently omitted from a previous filing and are now included.

What is the reporting person’s relationship to Sandisk (SNDK)?

The reporting person is identified as a Director of Sandisk Corp.

Is this Sandisk (SNDK) Form 4 filed for one or multiple reporting persons?

The Form 4 is indicated as being filed by one reporting person, not a group.