Siebert Financial reports proposed CLSK RSU share sales

Siebert Financial Corp. submitted a Form 144 reporting proposed sales of Common Stock tied to RSU vesting for CleanSpark, Inc. scheduled 02/13/2026, listing 20,525 and 216,125 shares.

Rhea-AI Filing Summary

Siebert Financial Corp. submitted a Form 144 reporting proposed sales of Common Stock tied to RSU vesting for CleanSpark, Inc. scheduled 02/13/2026, listing 20,525 and 216,125 shares. The filing also records a prior sale of 9,031 shares by S. Matthew Schultz on 12/05/2025.

FAQ

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What does the Siebert Financial Form 144 for CLSK report?

The filing reports proposed sales of Common Stock tied to RSU vesting for CleanSpark, Inc. It lists 20,525 and 216,125 shares with a vesting date of 02/13/2026, and notes a prior sale of 9,031 shares on 12/05/2025.

Who sold shares recently according to the Form 144 excerpt for CLSK?

The excerpt shows S. Matthew Schultz sold 9,031 shares on 12/05/2025. The filing also lists RSU vesting entries for CleanSpark, Inc. dated 02/13/2026 with specific share counts.

How many shares are tied to the RSU vesting noted in the filing for CLSK?

The RSU vesting entries in the excerpt list 20,525 shares and 216,125 shares, both dated 02/13/2026. These amounts are presented under 'Securities To Be Sold' in the provided content.

Does the filing state proceeds or selling methods for the CLSK shares?

The provided excerpt does not state proceeds or describe methods of sale. It lists RSU vesting amounts and a prior sale, but cash‑flow treatment and distribution methods are not included in the excerpt.

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

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Accepted by SEC EDGAR 02/18/2026 - 09:00 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	0001625587
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	Schultz S. Matthew
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
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
Common Stock	Siebert Financial Corp. 535 Fifth Avenue, 4th Floor New York NY 10017	104126	966289	256168079	02/18/2026	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	02/13/2026	Vesting of RSUs	CleanSpark, Inc.			20525	02/13/2026	N/A - Vesting of RSUs
Common Stock	02/13/2026	Vesting of RSUs	CleanSpark, Inc.			216125	02/13/2026	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
S. Matthew Schultz 10624 S. Eastern Ave. Suite A-638 Henderson NV 89052	Common Stock	12/05/2025	9031	127092

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	02/18/2026
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/ S. Matthew Schultz
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)