[Form 4] Sandisk Corporation Insider Trading Activity

Rhea-AI Filing Summary

Sandisk Corporation insider filing: Ilkbahar Alper, EVP and Chief Technology Officer, was granted 26,161 restricted stock units on 09/03/2025. Each unit represents a contingent right to one share of common stock and the filing reports a post-transaction beneficial ownership of 60,107 shares. The transaction is recorded as a grant with a reported price of $0.0, consistent with a restricted stock unit award rather than an open-market purchase. The Form 4 was signed by an attorney-in-fact on 09/04/2025.

Positive

• Equity-based retention: Grant of 26,161 restricted stock units supports executive retention and alignment with shareholder interests
• Clear disclosure: Form 4 reports transaction date, grant amount, and updated beneficial ownership, meeting Section 16 reporting requirements

Negative

• Limited award detail: The Form 4 does not disclose vesting schedule or economic value of the RSUs, so full compensation impact is unclear

Insights

Corporate Governance Expert

TL;DR: A routine executive equity grant to a senior officer; appears aimed at compensation/retention with no disclosed unusual terms.

This Form 4 discloses a non-derivative award of 26,161 restricted stock units to the EVP and CTO, increasing reported beneficial ownership to 60,107 shares. The filing shows a typical equity compensation event rather than a disposition or market trade. The disclosure is concise and complete for a Form 4: it lists the grant size, role of the reporting person, and resulting ownership. There are no additional contractual details, accelerated vesting statements, or derivative instruments disclosed here.

Compensation Analyst

TL;DR: Compensation grant recorded; quantity and resulting ownership are disclosed, but vesting schedule and grant value are not provided on this form.

The report identifies a grant of 26,161 RSUs, which increases the reporting person’s beneficial ownership to 60,107 shares. While the number of units is stated, the Form 4 appropriately notes these are restricted stock units and does not include price or vesting schedule details, which are commonly disclosed in proxy statements or award agreements rather than Form 4s. From a compensation disclosure perspective, the filing supplies the essential ownership change but omits material award terms that would be needed to assess cost or expected service/ performance incentives.

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

OMB Number:			3235-0287
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hours per response:			0.5

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^*

Ilkbahar Alper

(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)
	EVP, Chief Technology Officer

3. Date of Earliest Transaction (Month/Day/Year)
09/03/2025

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	09/03/2025		A		26,161(1)	A	$0.0	60,107	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.

	By: /s/ Van Huynh Attorney-in-Fact For: Alper Ilkbahar	09/04/2025
	** 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 transaction did Ilkbahar Alper report on the SNDK Form 4?

The Form 4 reports a grant of 26,161 restricted stock units to Ilkbahar Alper on 09/03/2025.

How many shares does Ilkbahar Alper beneficially own after the reported transaction (SNDK)?

The filing shows 60,107 shares beneficially owned following the reported transaction.

What price was reported for the RSU grant on the Form 4 for SNDK?

The Form 4 lists a price of $0.0, consistent with the reporting of restricted stock units rather than a market purchase price.

What is Ilkbahar Alper’s role at Sandisk as shown on the Form 4?

The filing identifies Ilkbahar Alper as EVP, Chief Technology Officer and an officer of the issuer.

When was the Form 4 signed and filed?

The signature block indicates the form was signed by an attorney-in-fact on 09/04/2025.