SDST (NASDAQ) Rule 144: RSU vesting 9,227 shares; insider sales noted

Rhea-AI Filing Summary

SDST submitted a Rule 144 notice reporting proposed sales and recent dispositions of Common Stock. The filing lists an RSU grant vesting of 9,227 shares effective 06/15/2026 and two reported dispositions by Udaychandra Devasper: 35,776 shares on 05/19/2026 for $72,554.00 and 4,507 shares on 03/20/2026 for $10,412.00.

Insights

Securities Compliance Analyst

Rule 144 notice lists an RSU vest and recent holder dispositions.

The filing records an RSU vest of 9,227 shares effective 06/15/2026 and two prior dispositions by a named holder with share counts and proceeds explicitly stated. These entries are procedural disclosures under Rule 144.

Key dependencies are the vesting date and the reported sale dates; subsequent filings may disclose whether any sale occurs under the reported Rule 144 notice.

Key Figures

RSU Vesting: 9,227 shares Disposition on 05/19/2026: 35,776 shares Proceeds from 05/19/2026 sale: $72,554.00 +2 more

5 metrics

RSU Vesting 9,227 shares RSU Grant Vest effective 06/15/2026

Disposition on 05/19/2026 35,776 shares Sold by Udaychandra Devasper on 05/19/2026

Proceeds from 05/19/2026 sale $72,554.00 Proceeds linked to 35,776-share disposition

Disposition on 03/20/2026 4,507 shares Sold by Udaychandra Devasper on 03/20/2026

Proceeds from 03/20/2026 sale $10,412.00 Proceeds linked to 4,507-share disposition

Key Terms

Rule 144, RSU Grant Vest, Proceeds

3 terms

Rule 144 regulatory

"144: Securities Sold During The Past 3 Months"

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.

RSU Grant Vest financial

"Common | 06/15/2026 | RSU Grant Vest | Issuer"

Proceeds financial

"35776 | 72554.00"

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

144: 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: 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	Raymond James & Associates 880 Carillon Parkway St. Petersburg FL 33716	3554	6912.53	10580000	06/15/2026	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	06/15/2026	RSU Grant Vest	Issuer			9227	06/15/2026	Cash

* 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
Udaychandra Devasper 1554 Pam Lane San Jose CA 95120	Common	05/19/2026	35776	72554.00
Udaychandra Devasper 1554 Pam Lane San Jose CA 95120	Common	03/20/2026	4507	10412.00

144: 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 SDST's Form 144 report say about RSU vesting?

The filing reports an RSU grant vesting of 9,227 shares effective on 06/15/2026. This line item is presented as an issuer-related vesting event in the excerpt.

Who reported recent dispositions in the SDST filing?

Udaychandra Devasper is shown as the reporting holder with dispositions: 35,776 shares on 05/19/2026 for $72,554.00, and 4,507 shares on 03/20/2026 for $10,412.00.

Does the Form 144 state proceeds from the reported sales?

Yes; the excerpt lists proceeds: $72,554.00 for the 35,776-share sale on 05/19/2026 and $10,412.00 for the 4,507-share sale on 03/20/2026, as shown in the text.

Is the RSU vesting in SDST's filing an issuer action or a resale?

The excerpt labels the RSU vesting as RSU Grant Vest with the reporting category Issuer and method Cash, indicating a company-side vesting event in the provided lines.

What dates are relevant in this SDST filing?

Relevant dates in the excerpt include the RSU vest effective date 06/15/2026 and sale dates 05/19/2026 and 03/20/2026, each tied to specific share counts and proceeds.