[Form 4] Sandisk Corporation Insider Trading Activity

Rhea-AI Filing Summary

Sandisk Corp (SNDK) Form 4 filing by Bernard Shek reports a grant of 18,313 restricted stock units (RSUs) on 09/03/2025. Each RSU represents a contingent right to receive one share of the issuer's common stock. The filing shows 34,909 shares beneficially owned by the reporting person following the grant. The transaction is recorded as an acquisition with a reported price of $0.0, reflecting a compensation grant rather than a market purchase.

The reporting person is identified as Chief Legal Officer & Secretary and a director. The Form 4 was signed on behalf of the reporting person by an attorney-in-fact on 09/04/2025. No derivative transactions, exercise dates, or additional compensation details are included in the filing.

Positive

• 18,313 restricted stock units granted to Bernard Shek as disclosed
• Beneficial ownership updated to 34,909 shares following the grant
• Form 4 filed and signed via attorney-in-fact, meeting disclosure requirements

Negative

• None.

Insights

Corporate Governance Expert

TL;DR: Insider received an equity grant; filing is routine and necessary for transparency.

The Form 4 documents a standard equity compensation grant of 18,313 restricted stock units to Bernard Shek, who is listed as an officer and director. The filing discloses beneficial ownership of 34,909 shares after the grant and is signed via attorney-in-fact. This disclosure fulfills Section 16 reporting obligations and provides investors with current insider ownership levels. No material dispositions, unusual terms, or related-party transactions are disclosed.

Compensation Analyst

TL;DR: This appears to be a routine RSU compensation award with no cash purchase recorded.

The entry reports an acquisition-coded grant of RSUs with a reported price of $0.0, consistent with restricted stock unit awards issued as compensation. The filing lacks vesting schedule, exercisability, or performance conditions; it only states each RSU equals one share. Without vesting or expiration details the award's timing and potential dilution impact cannot be assessed from this Form 4 alone.

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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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)
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		18,313(1)	A	$0.0	34,909	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: Bernard Shek	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 did Bernard Shek report on the SNDK Form 4?

The report shows an acquisition of 18,313 restricted stock units on 09/03/2025 and 34,909 shares beneficially owned after the transaction.

Are the restricted stock units convertible to common stock for SNDK?

Yes; the filing states each restricted stock unit represents a contingent right to receive one share of the issuer's common stock.

What price was reported for the transaction on the Form 4?

The filing reports a transaction price of $0.0, consistent with an equity grant rather than a market purchase.

What is Bernard Shek's role at Sandisk as stated on the Form 4?

The Form 4 lists Bernard Shek as a Director and as Chief Legal Officer & Secretary.

When was the Form 4 signed and by whom?

The signature block shows the form was signed by an Attorney-in-Fact for Bernard Shek on 09/04/2025.