Sandisk (NASDAQ: SNDK) legal chief now holds 30,484 shares

Rhea-AI Filing Summary

Sandisk Corp (SNDK) reported that Chief Legal Officer & Secty Bernard Shek had 212 shares of Common Stock disposed of on 2026-08-25 as a payment of tax obligation by withholding securities in connection with vesting, in accordance with Rule 16b-3(e). After this tax-withholding transaction, Shek directly holds 30,484 shares of Sandisk common stock.

Insider Trade Summary

Net Seller: 212 shares

Net Sell 1 txn

Insider Shek Bernard

Role Chief Legal Officer & Secty

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F1	212	$1,480.77	$314K

Holdings After Transaction: Common Stock — 30,484 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).

Key Figures

Shares disposed for tax obligation: 212 shares of Common Stock Transaction price per share: $1480.77 per share Shares owned after transaction: 30,484 shares of Common Stock +1 more

4 metrics

Shares disposed for tax obligation 212 shares of Common Stock Shares withheld on 2026-08-25 to pay tax obligation upon vesting

Transaction price per share $1480.77 per share Reported price for the 212 shares used to pay tax obligation

Shares owned after transaction 30,484 shares of Common Stock Direct ownership by Bernard Shek following the 2026-08-25 transaction

Tax-withholding transactions count 1 transaction Single Form 4 transaction coded F for tax obligation payment

Key Terms

Rule 16b-3(e), withholding securities, tax obligation, Common Stock

4 terms

Rule 16b-3(e) regulatory

"incident to the vesting of securities in accordance with Rule 16b-3(e)"

withholding securities financial

"Payment of tax obligation by withholding securities incident to the vesting"

tax obligation financial

"Payment of tax obligation by withholding securities incident to the vesting"

Common Stock financial

"security_title: Common Stock, transaction_shares: 212.0000"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

FAQ

What insider transaction did SNDK Chief Legal Officer Bernard Shek report?

Bernard Shek reported a disposition of 212 shares of Sandisk (SNDK) Common Stock on 2026-08-25, used to pay a tax obligation by withholding shares upon the vesting of securities under Rule 16b-3(e).

Was the SNDK Form 4 transaction a market sale or tax withholding?

The Form 4 states the transaction was a payment of tax obligation by withholding securities incident to vesting, coded as F, not an open-market sale. It was executed under Rule 16b-3(e) as a tax-withholding disposition.

How many SNDK shares were used to satisfy taxes in this Form 4?

The filing reports that 212 shares of Sandisk Common Stock were disposed of to pay a tax obligation associated with the vesting of securities. This is the only transaction reported in this Form 4.

What is Bernard Shek’s Sandisk (SNDK) share ownership after this transaction?

After the tax-withholding disposition, Bernard Shek directly owns 30,484 shares of Sandisk Common Stock, as stated in the Form 4’s post-transaction holdings field.

What price per share is reported for the SNDK tax-withholding transaction?

The Form 4 reports a transaction price of $1480.77 per share for the 212 shares withheld to satisfy the tax obligation. The price field is indicated as a per-share figure in the structured data.

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/27/2026 - 06:05 PM Accepted by SEC EDGAR 08/27/2026 - 06:04 PM Learn about SEC filing dates

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)
08/25/2026

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	08/25/2026		F		212(1)	D	$1,480.77	30,484	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	08/27/2026
	** 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)