Massengill Living Trust to sell 2,000 SNDK (SNDK) shares

Rhea-AI Filing Summary

Massengill Living Trust filed a Rule 144/A notice to sell 2,000 shares of common stock of the SNDK issuer through Morgan Stanley Smith Barney, with an aggregate market value of 1,331,060.40. The shares are listed on NASDAQ and the approximate sale date is 02/02/2026.

The securities to be sold were acquired through restricted stock vesting under a registered plan in 2018–2020 in exchange for services rendered. Over the past three months, the trust has sold additional common shares, including 2,340 shares on 11/26/2025 for 508,394.95 and 2,816 shares on 01/06/2026 for 953,009.02.

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/A

144/A: Filer Information

Filer CIK
Filer CCC
Previous Accession Number Of The Filing
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144/A: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

144/A: 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	146553179	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/A: 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/A: 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/A: Remarks and Signature

Remarks

Date of Notice

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the SNDK Form 144/A filing by Massengill Living Trust disclose?

The filing discloses that Massengill Living Trust intends to sell 2,000 shares of SNDK common stock under Rule 144. The planned sale, via Morgan Stanley Smith Barney on 02/02/2026, has an aggregate market value of 1,331,060.40 and is listed on NASDAQ.

How many SNDK shares are covered by the new planned Rule 144 sale?

The notice covers a planned sale of 2,000 common shares of the SNDK issuer. These shares are to be sold through Morgan Stanley Smith Barney, with a disclosed aggregate market value of 1,331,060.40 and an approximate sale date of 02/02/2026 on NASDAQ.

What prior SNDK share sales has Massengill Living Trust reported in the last three months?

The trust reported several sales of SNDK common stock in the last three months, including 2,340 shares on 11/26/2025 for 508,394.95 and 2,816 shares on 01/06/2026 for 953,009.02, along with additional smaller transactions.

How were the SNDK shares being sold under this Form 144/A originally acquired?

The SNDK 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 consideration described as services rendered, reflecting equity compensation rather than cash purchases.

What is the total number of SNDK shares outstanding referenced in the filing?

The Rule 144/A notice states that the number of SNDK common shares outstanding is 146,553,179. This figure provides context for the scale of the planned 2,000-share sale relative to the issuer’s total outstanding common stock base.

Which broker is handling the planned SNDK share sale for Massengill Living Trust?

The planned sale of SNDK common stock will be handled by Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, 8th Floor, New York, NY 10004. The filing lists NASDAQ as the securities exchange for the transaction.