Trust plans Rule 144 sale of 2,000 shares

Massengill Living Trust has filed a Form 144 notice to sell 2,000 shares of common stock through Morgan Stanley Smith Barney on the NASDAQ, with an aggregate market value of $1,331,060.40.

Accepted by SEC EDGAR 02/02/2026 - 04:03 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Massengill Living Trust has filed a Form 144 notice to sell 2,000 shares of common stock through Morgan Stanley Smith Barney on the NASDAQ, with an aggregate market value of $1,331,060.40. These shares were acquired via restricted stock vesting between 2018 and 2020 under a registered plan.

In the past three months, the trust has sold additional common shares in several transactions, including 2,816 shares on 01/06/2026 for $953,009.02 and 2,340 shares on 11/26/2025 for $508,394.95. The issuer had 213,047,472 shares outstanding at the time of this notice.

FAQ

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

What does the latest Form 144 filing related to SNDK disclose?

The filing shows Massengill Living Trust intends to sell 2,000 common shares through Morgan Stanley on NASDAQ for about $1.33 million. The notice is made under Rule 144, which governs resales of restricted or control securities by affiliates and other holders.

How many SNDK-related shares is Massengill Living Trust planning to sell?

Massengill Living Trust plans to sell 2,000 shares of common stock. The aggregate market value listed is $1,331,060.40, with the sale expected around 02/02/2026 on the NASDAQ, using Morgan Stanley Smith Barney LLC as the broker for the transaction.

How were the SNDK shares in this Form 144 acquired?

The 2,000 common shares were acquired through restricted stock vesting under a registered plan. Vesting dates include 11/02/2018, 11/07/2019, and 11/13/2020, with the issuer providing the shares as compensation for services rendered instead of cash payments.

What prior SNDK share sales has Massengill Living Trust reported?

Over the last three months, the trust reported multiple common stock sales. Examples include 2,816 shares sold on 01/06/2026 for $953,009.02 and 2,340 shares sold on 11/26/2025 for $508,394.95, along with other smaller transactions in that period.

How many shares of the SNDK issuer are outstanding in this Form 144?

The notice states that the issuer has 213,047,472 shares of common stock outstanding. This figure provides context for the relative size of the planned 2,000‑share sale disclosed in the Form 144 filed by Massengill Living Trust.

Which broker and exchange are involved in this SNDK Form 144 sale?

The planned sale will be executed through Morgan Stanley Smith Barney LLC Executive Financial Services, based in New York. The filing specifies that the 2,000 common shares are expected to be sold on the NASDAQ stock market around 02/02/2026, subject to market conditions.

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

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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	0001232826
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	MASSENGILL LIVING TRUST
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	Former Affiliate

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	1331060.40	213047472	02/02/2026	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	11/13/2020	Restricted stock vesting under a registered plan	Issuer			1117	11/13/2020	Services Rendered
Common	11/07/2019	Restricted stock vesting under a registered plan	Issuer			323	11/07/2019	Services Rendered
Common	11/02/2018	Restricted stock vesting under a registered plan	Issuer			560	11/02/2018	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
MASSENGILL LIVING TRUST 951 Sandisk Drive Milpitas CA 95035	Common	11/26/2025	2340	508394.95
MASSENGILL LIVING TRUST 951 Sandisk Drive Milpitas CA 95035	Common	11/25/2025	1500	335625.00
Massengill Living Trust 951 Sandisk Drive Milpitas CA 95035	Common	11/24/2025	1000	225089.00
MASSENGILL LIVING TRUST 951 Sandisk Drive Milpitas CA 95035	Common	01/21/2026	2000	984571.00
MASSENGILL LIVING TRUST 951 Sandisk Drive Milpitas CA 95035	Common	01/15/2026	1000	421459.40
MASSENGILL LIVING TRUST 951 Sandisk Drive Milpitas CA 95035	Common	01/07/2026	2000	693838.60
MASSENGILL LIVING TRUST 951 Sandisk Drive Milpitas CA 95035	Common	01/06/2026	2816	953009.02

144: Remarks and Signature

Remarks
Date of Notice	02/02/2026
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/ Matthew E Massengill, Trustee
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)