MARA insider plans 1,000-share sale on NASDAQ October 7

Rhea-AI Filing Summary

Form 144 notice for MARA (MARA Holdings, Inc.) reports a proposed sale of 1,000 common shares held by an insider through Fidelity Brokerage Services LLC on 10/07/2025 on NASDAQ. The filing shows those shares were acquired on 01/31/2025 by restricted stock vesting as compensation and the aggregate market value of the proposed sale is $20,710.00. The filer also reported three prior sales by the same person during the past three months totaling 3,000 shares for gross proceeds of $49,730.00 ($17,420.00, $16,210.00, $16,100.00). The notice includes the standard representation that the seller is not aware of undisclosed material adverse information.

Positive

• Disclosed acquisition method: shares were acquired via restricted stock vesting on 01/31/2025, clarifying origin of holdings
• Standard compliance steps followed: Form 144 filed and sales routed through a major broker (Fidelity)

Negative

• Recurring insider sales: three sales totaling 3,000 shares in the past three months plus a proposed 1,000 share sale could attract investor scrutiny
• Limited disclosure on holdings post-sale: filing does not state remaining insider ownership level, reducing clarity on insider stake

Insights

Securities Compliance Analyst

TL;DR: A standard Form 144 disclosing a proposed sale of recently vested restricted shares.

The filing documents a planned sale of $20,710.00 worth of 1,000 common shares acquired via restricted stock vesting on 01/31/2025, with execution through Fidelity Brokerage Services LLC on 10/07/2025. The form's mechanics and the signer’s representation align with Rule 144 notice requirements for sales by affiliates.

Key compliance dependencies include the insider’s representation of no undisclosed material adverse information and aggregation of recent sales: three prior transactions in the last three months totaling 3,000 shares. Monitor execution timing and subsequent filings for actual sale confirmations or additional notices within normal reporting windows.

Investor Relations Specialist

TL;DR: Insider liquidity events are modest but recurring; investors may note cadence.

The disclosed transactions show a sequence of small monthly disposals: three sales in 07/07/2025, 08/07/2025, and 09/10/2025 followed by this proposed sale on 10/07/2025. Each sale appears executed through the brokerage channel listed and originates from compensation-related vesting.

Risks include potential perception effects if selling continues regularly; events to watch are confirmations of the proposed sale and any subsequent Form 4 filings that report the actual dispositions or changes in holdings within the next few days after 10/07/2025.

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	20710.00	370457880	10/07/2025	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
Doug K. Mellinger 1010 South Federal Highway Suite 2700 Hallandale Beach FL 33009	Common	09/10/2025	1000	16100.00

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 MARA's Form 144 filed for 10/07/2025 disclose?

It discloses a proposed sale of 1,000 common shares valued at $20,710.00, to be executed through Fidelity Brokerage Services LLC on 10/07/2025.

How were the shares being sold acquired?

The shares were acquired on 01/31/2025 through restricted stock vesting and were paid as compensation.

Has the filer sold other MARA shares recently?

Yes. The filer reported three sales in the past three months: 1,000 shares on 07/07/2025 for $17,420.00, 1,000 on 08/07/2025 for $16,210.00, and 1,000 on 09/10/2025 for $16,100.00.

On which exchange will the proposed sale occur?

The filing states the sale is planned on NASDAQ.

Does the Form 144 confirm the sale was completed?

No. Form 144 is a notice of proposed sale; completion would be reported in a subsequent Form 4 if required.