Sandisk CLO reports 117-share tax withholding

Sandisk Corp Chief Legal Officer & Secretary Bernard Shek reported a small share disposition related to taxes, not an open-market trade.

Accepted by SEC EDGAR 03/24/2026 - 04:35 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Sandisk Corp Chief Legal Officer & Secretary Bernard Shek reported a small share disposition related to taxes, not an open-market trade. On this Form 4, 117 shares of common stock were withheld at $709.71 per share to satisfy tax obligations upon vesting under Rule 16b-3(e). After this tax-withholding event, Shek directly holds 33,300 shares of Sandisk common stock.

Insider Trade Summary

Exercise Price or Tax Liability: 117 shares

Exercise Price or Tax Liability 1 txn

Insider Shek Bernard

Role Chief Legal Officer & Secty

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	117	$709.71	$83K

Holdings After Transaction: Common Stock — 33,300 shares (Direct)

Footnotes (1)

1. F1. Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Sandisk Corp (SNDK) report for Bernard Shek?

Sandisk Corp reported that Chief Legal Officer Bernard Shek had 117 common shares withheld to cover tax obligations upon vesting. This was a tax-withholding disposition, not an open-market buy or sell transaction, and is treated as a routine administrative event.

How many Sandisk (SNDK) shares were involved in Bernard Shek’s Form 4 filing?

The Form 4 shows that 117 shares of Sandisk common stock were disposed of through tax withholding. These shares were used to satisfy a tax obligation tied to vesting, rather than being sold on the open market to another investor.

At what price were Bernard Shek’s Sandisk (SNDK) shares withheld for taxes?

The withheld Sandisk shares were valued at $709.71 per share for the tax-withholding transaction. This figure reflects the price used to calculate the tax obligation associated with the vesting event, according to the Form 4 disclosure details.

How many Sandisk (SNDK) shares does Bernard Shek hold after this Form 4 transaction?

Following the tax-withholding disposition of 117 shares, Bernard Shek directly holds 33,300 shares of Sandisk common stock. This remaining position is reported in the Form 4 as total shares beneficially owned after the reported transaction was completed.

Was Bernard Shek’s Sandisk (SNDK) Form 4 transaction an open-market sale?

No, the transaction was not an open-market sale. The Form 4 and its footnote state the 117 shares were withheld to pay a tax obligation upon vesting under Rule 16b-3(e), making it a routine tax-withholding disposition rather than a discretionary market sale.

What does the Rule 16b-3(e) reference mean in Sandisk (SNDK) insider filing?

The reference to Rule 16b-3(e) indicates the disposition was exempt as a tax payment related to equity vesting. It clarifies that the 117 withheld shares were used to satisfy tax obligations, classifying the event as administrative rather than a typical investment trade.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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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
Estimated average burden
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^*

Shek Bernard

(Last) (First) (Middle)

C/O SANDISK CORPORATION

951 SANDISK DRIVE

(Street)

MILPITAS CALIFORNIA 95035

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/20/2026

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

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

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

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	03/20/2026		F		117(1)	D	$709.71	33,300	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).

	/s/ Van Huynh, Attorney-in-Fact For Bernard Shek	03/24/2026
	** 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.
* Form 4: SEC 1474 (03-26)