Insider Filing: MARA 1,000-Share Sale Planned via Fidelity on Sept. 10

Rhea-AI Filing Summary

Form 144 notice for proposed sale of common stock. The filing shows 1,000 shares of common stock expected to be sold through Fidelity Brokerage Services LLC on 09/10/2025 with an aggregate market value of $16,100. The shares were acquired on 01/31/2025 as restricted stock vesting and were paid as compensation. The filing reports total shares outstanding of 370,457,880. The document also discloses two prior sales by the same seller: 1,000 shares on 07/07/2025 for $17,420 and 1,000 shares on 08/07/2025 for $16,210.

Insights

Securities Analyst

TL;DR: Insider filing discloses routine sale of 1,000 vested shares; size is immaterial relative to outstanding shares.

The Form 144 documents a proposed sale of 1,000 shares acquired via restricted stock vesting on 01/31/2025 and intended to be sold through Fidelity on 09/10/2025. The filing includes two recent small-volume sales of 1,000 shares each in July and August 2025. Against an issued share base of 370,457,880, these transactions are negligible in scale and represent typical post-vesting disposition rather than a material change in ownership. The filing satisfies Rule 144 disclosure requirements but provides no additional operational or financial information about the issuer.

Corporate Governance Specialist

TL;DR: The notice appears compliant with Rule 144 and includes standard representations about material nonpublic information.

The filer discloses the acquisition method (restricted stock vesting), the nature of payment (compensation), and planned brokered sale details, fulfilling required transparency for an insider disposition. The statement includes the representation that the seller is not aware of undisclosed material adverse information. No governance events, director changes, or litigation are disclosed. Given the small size of the proposed sale relative to total outstanding shares, this is routine insider activity from a governance perspective.

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	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	1000	16100.00	370457880	09/10/2025	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	01/31/2025	Restricted Stock Vesting	Issuer			1000	01/31/2025	Compensation

* 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
Doug K. Mellinger 1010 South Federal Highway Suite 2700 Hallandale Beach FL 33009	Common	07/07/2025	1000	17420.00
Doug K. Mellinger 1010 South Federal Highway Suite 2700 Hallandale Beach FL 33009	Common	08/07/2025	1000	16210.00

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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 MARA Form 144 disclose about the proposed sale?

The filing shows a proposed sale of 1,000 common shares through Fidelity on 09/10/2025 with an aggregate market value of $16,100.

How were the shares being sold by the MARA filer acquired?

The 1,000 shares were acquired on 01/31/2025 through restricted stock vesting and the payment type is listed as compensation.

Has the filer sold MARA shares recently?

Yes. The filing discloses two prior sales by the same seller: 1,000 shares on 07/07/2025 for $17,420 and 1,000 shares on 08/07/2025 for $16,210.

What is the total number of MARA shares outstanding reported in the filing?

The filing reports 370,457,880 shares outstanding.

Who is the broker named for the proposed sale in the MARA Form 144?

The broker is listed as Fidelity Brokerage Services LLC, 900 Salem Street, Smithfield RI 02917.