Sandisk officer plans sale of 6,270 shares, $9.7M

A Sandisk Corp officer filed a Rule 144 notice to sell 6,270 common shares acquired through restricted stock unit vesting.

Rhea-AI Filing Summary

Sandisk Corp (SNDK) has a notice from officer Alper Ilkbahar indicating an intention under Rule 144 to sell up to 6,270 shares of common stock through Morgan Stanley Smith Barney LLC. The planned sale is dated September 3, 2026 on NASDAQ, with an aggregate market value reported as $9,739,818.00.

The shares were acquired from the issuer upon the vesting of restricted stock units during the period from March 20, 2025 through November 25, 2025, and the Form 144 states that these securities are being sold for the account of Alper Ilkbahar.

Key Figures

Shares to be sold: 6,270 shares Aggregate market value: $9,739,818.00 Planned sale date: September 3, 2026 +2 more

5 metrics

Shares to be sold 6,270 shares Common stock covered by the Rule 144 notice for Sandisk

Aggregate market value $9,739,818.00 Reported value of the 6,270 shares to be sold

Planned sale date September 3, 2026 Date listed for the Rule 144 sale on NASDAQ

Initial RSU vesting date March 20, 2025 Start of the period when RSUs vested and produced the shares

Final RSU vesting date November 25, 2025 End of the period when RSUs vested and produced the shares

Key Terms

Rule 144, restricted stock units, aggregate market value

3 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

restricted stock units financial

"The securities to be sold were acquired upon the vesting of restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

aggregate market value financial

"Common | Morgan Stanley Smith Barney LLC ... | 6270 | 9739818.00 |"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

FAQ

What does Sandisk Corp (SNDK) disclose in this Form 144 filing?

The filing states that officer Alper Ilkbahar plans, under Rule 144, to sell up to 6,270 shares of Sandisk common stock through Morgan Stanley Smith Barney LLC, with a planned sale date of September 3, 2026 on NASDAQ.

How many Sandisk (SNDK) shares are covered by this Form 144 notice?

The notice covers up to 6,270 shares of Sandisk common stock. The filing reports an aggregate market value of $9,739,818.00 for these shares in connection with the proposed Rule 144 sale.

How were the Sandisk (SNDK) shares in this Form 144 acquired?

The filing explains that the securities were acquired from the issuer upon the vesting of restricted stock units during the period from March 20, 2025 through November 25, 2025. The acquisition source is listed as the issuer.

Who is the broker for the planned Sandisk (SNDK) share sale?

The planned Rule 144 sale will be handled through Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, New York. The shares are listed for sale on NASDAQ as stated in the filing.

What is the reported value of the Sandisk (SNDK) shares to be sold?

For the 6,270 shares of Sandisk common stock covered by the notice, the filing reports an aggregate market value of $9,739,818.00. This figure is tied to the proposed Rule 144 sale dated September 3, 2026.

When were the Sandisk (SNDK) restricted stock units that generated these shares vested?

The remarks state that the securities to be sold were acquired upon the vesting of restricted stock units during the period from March 20, 2025 through November 25, 2025, resulting in the shares covered by this Form 144 notice.

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

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Available on EDGAR 09/03/2026 - 05:50 PM Accepted by SEC EDGAR 09/03/2026 - 04:39 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0002059630
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Sandisk Corporation
SEC File Number	001-42420
Address of Issuer	951 Sandisk Drive Milpitas CALIFORNIA 95035
Phone	4088011000
Name of Person for Whose Account the Securities are To Be Sold	ALPER ILKBAHAR
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	6270	9739818.00	146419001	09/03/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	03/20/2025	Restricted Stock Units	Issuer			6270	03/20/2025	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks	The securities to be sold were acquired upon the vesting of restricted stock units during the period of 03/20/2025 through 11/25/2025
Date of Notice	09/03/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	06/04/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Alper Ilkbahar
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)