[Form 4] TeraWulf Inc. Insider Trading Activity

Rhea-AI Filing Summary

TeraWulf Chief Accounting Officer William Joseph Tanimoto received a grant of 30,000 Restricted Stock Units (RSUs) on June 24, 2025. The RSUs represent the right to receive an equivalent number of TeraWulf common shares ($0.001 par value).

Key terms of the RSU grant:

• Vesting Schedule: Equal installments over three years from grant date (June 24, 2025)
• Vesting Conditions: Subject to continued employment/service with TeraWulf
• Each installment represents 10,000 RSUs

The Form 4 was filed on June 26, 2025, within the required two-business-day reporting window for insider transactions. The filing was executed by Stefanie C. Fleischmann as attorney-in-fact for Tanimoto.

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^*

Tanimoto William Joseph

(Last) (First) (Middle)

C/O TERAWULF INC.

9 FEDERAL STREET

(Street)

EASTON MD 21601

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
TERAWULF INC. [ WULF ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
06/24/2025

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)	06/24/2025		A		30,000		(2)	(2)	Common stock, $0.001 par value per share	30,000	(2)	30,000	D

Explanation of Responses:

1. Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock, $0.001 par value per share.

2. The restricted stock units vest in three equal installments upon each of the first three anniversaries of June 24, 2025, subject to the Reporting Person's continued employment or service with the Issuer through each such date.

Remarks:

	/s/ Stefanie C. Fleischmann, as attorney-in-fact for William J. Tanimoto	06/26/2025
	** 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

How many Restricted Stock Units (RSUs) did WULF's Chief Accounting Officer receive on June 24, 2025?

William J. Tanimoto, WULF's Chief Accounting Officer, received 30,000 Restricted Stock Units (RSUs) on June 24, 2025.

What is the vesting schedule for WULF CAO's RSU grant in 2025?

The RSUs vest in three equal installments over three years, with each installment vesting on the anniversary of the grant date (June 24, 2025), subject to the executive's continued employment with TeraWulf.

Who filed the Form 4 for WULF on June 28, 2025?

The Form 4 was filed for William Joseph Tanimoto, WULF's Chief Accounting Officer, and was signed by Stefanie C. Fleischmann as attorney-in-fact on June 26, 2025.

What is the conversion ratio of WULF's RSUs granted to the CAO?

Each Restricted Stock Unit represents a contingent right to receive one share of TeraWulf's common stock with a par value of $0.001 per share.

What type of ownership does WULF's CAO have for the newly granted RSUs?

William J. Tanimoto has Direct (D) ownership of the 30,000 RSUs granted on June 24, 2025.