Director boosts stake with TERAWULF (WULF) open-market share purchase

Rhea-AI Filing Summary

TERAWULF INC. director Michael C. Bucella reported an open-market purchase of 3,171 shares of common stock at $15.78 per share. After this transaction, he directly owns a total of 270,129 TERAWULF common shares, increasing his personal stake in the company.

Insider Trade Summary

Net Buyer: 3,171 shares ($50,038)

Net Buy 1 txn

Insider Bucella Michael C.

Role Director

Bought 3,171 shs ($50K)

Type	Security	Shares	Price	Value
Purchase	Common stock, $0.001 par value per share	3,171	$15.78	$50K

Holdings After Transaction: Common stock, $0.001 par value per share — 270,129 shares (Direct)

Footnotes (1)

Form 4 Insider Transactions: What Each Field Means →

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^*

Bucella Michael C.

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
03/04/2026

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, $0.001 par value per share	03/04/2026		P		3,171	A	$15.78	270,129	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:

Remarks:

	/s/ Stefanie C. Fleischmann, as attorney-in-fact for Michael C. Bucella	03/04/2026
	** 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 TERAWULF (WULF) disclose in this Form 4?

TERAWULF disclosed that director Michael C. Bucella bought 3,171 common shares in an open-market transaction at $15.78 per share. This Form 4 reports his increased ownership position in the company’s stock after the purchase.

How many TERAWULF (WULF) shares did Michael C. Bucella buy and at what price?

Michael C. Bucella purchased 3,171 TERAWULF common shares at $15.78 per share. The transaction was reported as an open-market purchase, indicating he acquired the shares directly on the market rather than through an award or option exercise.

What is Michael C. Bucella’s total TERAWULF (WULF) share ownership after this trade?

After the reported transaction, Michael C. Bucella directly owns 270,129 TERAWULF common shares. This total reflects his holdings following the 3,171-share open-market purchase disclosed in the Form 4 insider trading report.

What does transaction code “P” mean in the TERAWULF (WULF) Form 4?

Transaction code “P” on the Form 4 indicates a purchase, specifically an open-market or private transaction. In this case, it shows that director Michael C. Bucella bought TERAWULF common shares rather than selling or receiving them as a grant.

Is the TERAWULF (WULF) insider transaction a direct or indirect holding?

The filing classifies the holding as direct, meaning the shares are owned personally by Michael C. Bucella. The Form 4 lists the ownership code as “D,” indicating direct ownership rather than through a trust, partnership, or other indirect entity.