SNDK affiliate files notice to sell vested restricted shares

SNDK affiliate submitted a notice under Section 144 covering proposed sales tied to restricted stock vesting.

Rhea-AI Filing Summary

SNDK affiliate submitted a notice under Section 144 covering proposed sales tied to restricted stock vesting. The filing lists 922 shares vesting on 03/20/2025 and 1,078 shares vesting on 03/12/2025. The filing is an administrative sale notice; timing and sale mechanics are not detailed in the excerpt.

Insights

Securities Compliance Analyst

Form 144 records proposed resale of vested restricted shares by an affiliate.

The notice lists two restricted-stock vesting events with specific share counts and vesting dates: 922 shares vesting 03/20/2025 and 1,078 shares vesting 03/12/2025. Form 144 is a pre-sale notice and does not itself execute a sale.

Cash‑flow treatment and distribution method are not disclosed in the excerpt; subsequent filings or broker reports would show whether and when resale occurs.

Key Figures

Vesting — 03/12/2025: 1,078 shares Vesting — 03/20/2025: 922 shares Filing reference date: 06/01/2026

3 metrics

Vesting — 03/12/2025 1,078 shares Restricted stock vesting under a registered plan

Vesting — 03/20/2025 922 shares Restricted stock vesting under a registered plan

Filing reference date 06/01/2026 Date noted in header of excerpt

Key Terms

Form 144, restricted stock vesting, registered plan

3 terms

Form 144 regulatory

"Filer Information | | | 144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

restricted stock vesting financial

"Common | 03/20/2025 | Restricted stock vesting under a registered plan"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

registered plan regulatory

"Restricted stock vesting under a registered plan | Issuer"

A registered plan is a savings or investment account that a government recognizes for special tax treatment and rules, such as limits on how much you can put in and conditions for withdrawals. For investors it matters because those rules change how much of your gains are taxed, how quickly your money can be accessed and what strategies make sense — like a labeled jar that gives tax breaks but comes with rules about when and how you can take the money out.

FAQ

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

What does the SNDK Form 144 notice mean?

It is a pre-sale notice that an affiliate may sell shares. The filing lists 922 shares vesting on 03/20/2025 and 1,078 shares vesting on 03/12/2025 as the securities referenced.

Does the Form 144 mean the shares were already sold for SNDK?

No. Form 144 is a notice of intent to sell; it does not confirm a sale. The excerpt lists vesting events but does not provide sale dates, prices, or execution details.

Who appears to be the seller in the SNDK filing?

The excerpt identifies the securities as vested under a registered plan and lists the issuer context; it does not name a specific individual. The filing header references an affiliate broker entity.

Where can I find confirmation of any completed SNDK sale?

Confirmation appears in trade reports, broker statements, or subsequent SEC filings. This excerpt contains only the Form 144 notice and the vesting counts and dates.

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

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Accepted by SEC EDGAR 06/01/2026 - 04:22 PM EDT 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	(408) 801-1000
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	2000	3513153.00	148090000	06/01/2026	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 vesting under a registered plan	Issuer			922	03/20/2025	Services Rendered
Common	03/12/2025	Restricted stock vesting under a registered plan	Issuer			1078	03/12/2025	Services Rendered

* 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
Date of Notice	06/01/2026
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)