SND Form 144: 100,000 Class A Shares Proposed Sale

SND submitted a Form 144 notice reporting a proposed sale of Class A Common shares.

Rhea-AI Filing Summary

SND submitted a Form 144 notice reporting a proposed sale of Class A Common shares. The filing lists 100,000 shares and names UBS Financial Services Inc as the broker; the form shows a date of 03/04/2026.

Insights

Securities Compliance Attorney

Routine Rule 144 notice for an affiliate sale; procedural compliance is the primary point.

The filing lists a proposed disposition of Class A Common shares and identifies UBS Financial Services Inc as the broker-dealer. The notice structure and broker naming align with typical Rule 144 mechanics for restricted or control securities.

Timing and final execution depend on holder decisions and market conditions; cash-flow treatment is not specified in the excerpt. Subsequent Form 4/Form 144 amendments or broker records would show actual sales.

FAQ

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

What does SND's Form 144 filing mean?

It notifies the SEC of a proposed sale of Class A Common shares under Rule 144. The filing lists 100,000 shares and a broker, indicating the holder intends to sell but does not confirm a completed sale.

How many shares does SND list for sale on Form 144?

The notice lists 100,000 Class A Common shares. This number appears on the filing alongside broker information and the date 03/04/2026, which reflects the filing notice rather than completed transactions.

Who is the broker named in the SND Form 144?

The filing names UBS Financial Services Inc as the broker-dealer. Broker identification is customary on Form 144 and signals the intermediary expected to handle any eventual sale of the listed shares.

Does Form 144 mean shares have been sold for SND?

No; Form 144 is a notice of intent to sell under Rule 144 and does not confirm execution. The filing shows proposed sale details but a completed sale would be documented in trade records or subsequent filings.

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

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Accepted by SEC EDGAR 03/04/2026 - 04:35 PM EST 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	0001319575
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	Smart Sand Inc.
SEC File Number	001-37936
Address of Issuer	1000 Floral Vale Blvd Suite 225 Yardley PENNSYLVANIA 19067
Phone	281-231-2660
Name of Person for Whose Account the Securities are To Be Sold	Frank Porcelli
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	Director

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
Class A Common	UBS Financial Services Inc 1000 Harbor Blvd 3rd Floor Weehawken NJ 07086	100000	402785.39	43538189	03/04/2026	NASD

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 *
Class A Common	02/28/2026	Board Compensation	Issuer			39130	02/28/2026	n/a
Class A Common	06/16/2023	Board Compensation	Issuer			16364	06/16/2023	n/a
Class A Common	07/30/2022	Board Compensation	Issuer			31802	07/30/2022	n/a
Class A Common	08/23/2024	Board Compensation	Issuer			16364	08/23/2024	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
Date of Notice	03/04/2026
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/JOSEPH CASSIDY, for UBS Financial Services Inc, as attorney-in-fact for Frank Porcelli
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)