MARA CEO Thiel has 10,418 shares withheld for taxes

MARA Holdings, Inc. Chief Executive Officer and director Frederick G. Thiel reported a transaction in the company’s common stock.

Rhea-AI Filing Summary

MARA Holdings, Inc. Chief Executive Officer and director Frederick G. Thiel reported a transaction in the company’s common stock. On 01/08/2026, 10,418 shares were withheld at a price of $8.98 per share to satisfy his tax liability related to vesting restricted stock units, and were not sold in the open market. Following this withholding, Thiel beneficially owns 3,545,071 shares of MARA Holdings common stock directly.

Insider Trade Summary

Exercise Price or Tax Liability: 10,418 shares

Exercise Price or Tax Liability 1 txn

Insider Thiel Frederick G

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	10,418	$8.98	$94K

Holdings After Transaction: Common Stock — 3,545,071 shares (Direct)

Footnotes (1)

1. F1. Reflects shares of the issuer's common stock withheld to cover the reporting person's tax liability in connection with the vesting of restricted stock units. This transaction was not an open market sale by the reporting person.

FAQ

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

What insider transaction did MARA (MARA) report for Frederick G. Thiel?

Frederick G. Thiel, Chief Executive Officer and director of MARA Holdings, Inc., reported a Form 4 transaction in the company’s common stock on 01/08/2026.

How many MARA Holdings shares were involved in Frederick Thiel’s January 2026 transaction?

The Form 4 shows 10,418 shares of MARA Holdings common stock were withheld in the 01/08/2026 transaction.

What was the purpose of the 10,418 MARA Holdings shares withheld from Frederick Thiel?

The 10,418 shares were withheld to cover Frederick Thiel’s tax liability arising from the vesting of restricted stock units, and the filing states this was not an open market sale.

At what price were Frederick Thiel’s MARA shares withheld for taxes?

The shares of MARA Holdings, Inc. common stock were withheld at a price of $8.98 per share.

How many MARA Holdings shares does Frederick Thiel own after this Form 4 transaction?

After the 01/08/2026 withholding transaction, Frederick G. Thiel beneficially owns 3,545,071 shares of MARA Holdings common stock directly.

Is Frederick Thiel’s January 2026 MARA transaction an open market sale?

No. The Form 4 footnote states the 10,418 shares were withheld to cover taxes on restricted stock unit vesting and that this was not an open market sale by Frederick Thiel.

What is Frederick Thiel’s role at MARA Holdings, Inc.?

Frederick G. Thiel is reported as both a director and the Chief Executive Officer of MARA Holdings, Inc. on the Form 4.

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

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Accepted by SEC EDGAR 01/09/2026 - 07:00 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Thiel Frederick G

(Last) (First) (Middle)

C/O MARA HOLDINGS, INC.

1010 SOUTH FEDERAL HIGHWAY, SUITE 2700

(Street)

HALLANDALE BEACH FL 33009

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
MARA Holdings, Inc. [ MARA ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

3. Date of Earliest Transaction (Month/Day/Year)
01/08/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	01/08/2026		F		10,418(1)	D	$8.98	3,545,071	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Reflects shares of the issuer's common stock withheld to cover the reporting person's tax liability in connection with the vesting of restricted stock units. This transaction was not an open market sale by the reporting person.

	/s/ Zabi Nowaid, Attorney-in-Fact for Fred Thiel	01/09/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.