254,778 RSUs awarded to American Bitcoin (ABTC) director Mateen Justin

Rhea-AI Filing Summary

Mateen Justin reported acquisition or exercise transactions in this Form 4 filing.

American Bitcoin Corp. director Mateen Justin received a grant of 254,778 restricted stock units. Each RSU represents a contingent right to receive one share of the company’s Class C common stock. These RSUs are scheduled to vest on the date of American Bitcoin’s 2026 annual stockholders’ meeting.

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

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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^*

Mateen Justin

(Last) (First) (Middle)

1101 BRICKELL AVENUE, SUITE 1500

(Street)

MIAMI FL 33131

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
American Bitcoin Corp. [ ABTC ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
02/24/2026

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

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
Restricted Stock Units	(1)	02/24/2026		A		254,778		(2)	(2)	Class C Common Stock	254,778	$0.00	254,778	D

Explanation of Responses:

1. Each restricted stock unit ("RSU") represents a contingent right to receive one share of Class C Common Stock, par value $0.0001 per share, of American Bitcoin Corp. (the "Company").

2. These RSUs vest on the date of the 2026 Annual Meeting of Stockholders of the Company.

	/s/ Aliza Rana, as Attorney-in-Fact	02/26/2026
	** 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.

FAQ

What insider transaction did American Bitcoin Corp. (ABTC) report for Mateen Justin?

American Bitcoin Corp. reported that director Mateen Justin received 254,778 restricted stock units. The award gives him a contingent right to receive the company’s Class C common shares, with vesting tied to the 2026 annual meeting of stockholders.

How many restricted stock units did Mateen Justin receive from American Bitcoin Corp. (ABTC)?

Mateen Justin received 254,778 restricted stock units from American Bitcoin Corp. All 254,778 RSUs represent potential future shares of Class C common stock, subject to vesting on the date of the company’s 2026 annual meeting of stockholders.

What does each RSU granted to Mateen Justin by American Bitcoin Corp. (ABTC) represent?

Each RSU granted to Mateen Justin represents a contingent right to receive one share of American Bitcoin Corp.’s Class C common stock. The value ultimately depends on the company’s share price when the RSUs vest at the 2026 annual stockholders’ meeting.

When do Mateen Justin’s restricted stock units at American Bitcoin Corp. (ABTC) vest?

Mateen Justin’s restricted stock units are scheduled to vest on the date of American Bitcoin Corp.’s 2026 annual meeting of stockholders. Vesting at that meeting means he can then receive the underlying Class C common shares, assuming all conditions are satisfied.

Is Mateen Justin’s American Bitcoin Corp. (ABTC) RSU grant an open-market stock purchase?

No, the transaction is a grant of restricted stock units, not an open-market stock purchase. The RSUs are an equity award that convert into Class C common shares only upon vesting at the company’s 2026 annual stockholders’ meeting.