Siebert Financial files Form 144 noting RSU vesting

Siebert Financial Corp. submitted a Form 144 disclosing proposed sales of Common Stock, tied in part to the vesting of RSUs on 05/13/2026.

Rhea-AI Filing Summary

Siebert Financial Corp. submitted a Form 144 disclosing proposed sales of Common Stock, tied in part to the vesting of RSUs on 05/13/2026. The filing lists transactions by Gary Anthony Vecchiarelli with reported activity on 02/18/2026, including amounts of 632 and 27,397 shares in separate rows.

Insights

Securities Compliance Counsel

Form 144 records proposed dispositions and an RSU vesting event.

The filing lists a proposed sale of Common Stock and notes an RSU vesting on 05/13/2026. It names Gary Anthony Vecchiarelli and shows reported transactions dated 02/18/2026 with line items of 632 and 27,397 shares.

Timing and method of sale are not detailed here; subsequent Form 4 or broker reports would show executed sales and cash‑flow treatment.

Key Figures

RSU vesting date: 05/13/2026 Reported transaction date: 02/18/2026 Shares (row 1): 632 shares +3 more

6 metrics

RSU vesting date 05/13/2026 Vesting of RSUs reported in 'Securities To Be Sold' row

Reported transaction date 02/18/2026 Date shown for selling activity rows attributed to Gary Anthony Vecchiarelli

Shares (row 1) 632 shares Selling activity entry dated 02/18/2026

Shares (row 2) 27,397 shares Selling activity entry dated 02/18/2026

Form type Form 144 Filing type indicated in metadata

Exchange NASDAQ Exchange listed in the excerpt

Key Terms

RSU, Form 144, Securities To Be Sold

3 terms

RSU financial

"Vesting of RSUs on 05/13/2026"

Restricted stock units (RSUs) are a form of company shares given to employees as part of their compensation, usually with certain restrictions or conditions, such as remaining with the company for a set period. When these restrictions lift, employees receive actual shares that they can sell or hold. For investors, RSUs can impact a company's stock supply and reflect the company's commitment to attracting and retaining talent.

Form 144 regulatory

"Filer Information and Securities To Be Sold sections"

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.

Securities To Be Sold regulatory

"Section header listing Common Stock and vesting event"

FAQ

What does Siebert Financial Corp.'s Form 144 say about RSU vesting for CLSK?

The filing records a vesting of RSUs on 05/13/2026. It links the vesting to Common Stock to be sold, but the Form 144 excerpt does not state how or when those vested shares will be sold in the market.

Who is the reporting person named in the Form 144 for CLSK?

The filing names Gary Anthony Vecchiarelli as the reporting person. The excerpt lists transactions attributed to that individual with reported activity dated 02/18/2026 in Common Stock.

How many shares are listed in the Form 144 excerpt for Siebert Financial Corp.?

The excerpt shows line items of 632 shares and 27,397 shares on 02/18/2026. These appear as separate rows in the selling activity; the filing does not sum or state an aggregate total.

Does the Form 144 state whether the company receives proceeds from the sales?

The provided excerpt does not state who receives proceeds. It records proposed dispositions and RSU vesting but does not disclose cash‑flow treatment or whether proceeds go to the issuer or selling holder.

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

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Accepted by SEC EDGAR 05/14/2026 - 09:44 PM 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	0001568128
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	CLEANSPARK, INC.
SEC File Number	001-39187
Address of Issuer	10624 S. Eastern Ave. Suite A - 638 Henderson NEVADA 89052
Phone	(702)-989-7692
Name of Person for Whose Account the Securities are To Be Sold	Vecchiarelli Gary Anthony
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 Stock	Siebert Financial Corp. 535 Fifth Avenue, 4th Floor New York NY 10017	632	8406	256633949	05/14/2026	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 Stock	05/13/2026	Vesting of RSUs	CleanSpark, Inc.			1606	05/13/2026	N/A - Vesting of RSUs

* 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
Gary Anthony Vecchiarelli 10624 S. Eastern Ave. Suite A-638 Henderson NV 89052	Common Stock	02/18/2026	632	5835
Gary Anthony Vecchiarelli 10624 S. Eastern Ave. Suite A-638 Henderson NV 89052	Common Stock	02/18/2026	27397	253515

144: Remarks and Signature

Remarks	Reflects shares sold to cover the Reporting Person's tax liability in connection with the vesting and settlement of RSUs.
Date of Notice	05/14/2026
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/ Gary A. Vecchiarelli
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)