TeraWulf director exercises 56,023 RSUs

TERAWULF INC. director Lisa A. Prager exercised previously granted awards and received new equity compensation.

Accepted by SEC EDGAR 06/25/2026 - 05:18 PM EDT

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Form Type

Rhea-AI Filing Summary

TERAWULF INC. director Lisa A. Prager exercised previously granted awards and received new equity compensation. On June 23, 2026 she exercised 56,023 restricted stock units into 56,023 shares of common stock at a stated price of $0.00 per share, bringing her direct common stock holdings to 310,497 shares.

On the same date she received a grant of 6,950 restricted stock units, each representing a contingent right to one share of common stock. These new units are scheduled to vest on the first anniversary of June 23, 2026, subject to her continued employment or service with the company through that date.

Insider Trade Summary

56,023 shares exercised/converted

Exercise 3 txns

Insider Prager Lisa A.

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	56,023	$0.00	$0.00
Grant/Award	Restricted Stock Units	6,950	$0.00	$0.00
Exercise	Common stock, $0.001 par value per share	56,023	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 6,950 contracts (Direct); Common stock, $0.001 par value per share — 310,497 shares (Direct)

Holdings Before and After: Restricted Stock Units, 56,023 to 6,950 contracts (Direct); Common stock, $0.001 par value per share, 254,474 to 310,497 shares (Direct)

Footnotes (4)

F1. The Reporting Person received restricted stock units which vested upon the first anniversary of June 23, 2025, as reported in this Form 4, subject to the Reporting Person's continued employment or service with the Issuer through such date.
F2. Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock, $0.001 par value per share.
F3. The restricted stock units vested upon the first anniversary of June 23, 2025, subject to the Reporting Person's continued employment or service with the Issuer through such date.
F4. The restricted stock units will vest upon the first anniversary of June 23, 2026, subject to the Reporting Person's continued employment or service with the Issuer through such date.

Key Figures

RSUs exercised to common stock: 56,023 shares New RSU grant: 6,950 restricted stock units Common shares held after transaction: 310,497 shares +2 more

5 metrics

RSUs exercised to common stock 56,023 shares Exercised on June 23, 2026

New RSU grant 6,950 restricted stock units Granted on June 23, 2026

Common shares held after transaction 310,497 shares Direct ownership after June 23, 2026 exercise

Underlying shares per RSU 1 share per RSU Each restricted stock unit converts into one common share

Transaction price per share/RSU $0.00 Reported for both the RSU exercise and new RSU grant

Key Terms

Restricted Stock Units, Exercise or conversion of derivative security, Grant, award, or other acquisition, contingent right to receive one share

4 terms

Restricted Stock Units financial

"The Reporting Person received restricted stock units which vested upon the first anniversary of June 23, 2025"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Exercise or conversion of derivative security financial

"transaction_code_description: Exercise or conversion of derivative security"

Grant, award, or other acquisition financial

"transaction_code_description: Grant, award, or other acquisition"

FAQ

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

What insider transactions did TeraWulf (WULF) director Lisa A. Prager report?

Lisa A. Prager reported exercising 56,023 restricted stock units into common shares and receiving a new grant of 6,950 restricted stock units. All actions were compensation-related, with no open-market purchases or sales disclosed in this Form 4 filing.

How many TeraWulf (WULF) shares does Lisa A. Prager hold after these transactions?

After exercising awards on June 23, 2026, Lisa A. Prager directly holds 310,497 shares of TeraWulf common stock. She also holds 6,950 restricted stock units that represent contingent rights to receive the same number of common shares upon future vesting.

What are the terms of the new 6,950 restricted stock units at TeraWulf (WULF)?

The 6,950 restricted stock units granted to Lisa A. Prager each represent a contingent right to one TeraWulf common share. They will vest on the first anniversary of June 23, 2026, provided she continues employment or service with the company through that date.

Did the TeraWulf (WULF) Form 4 include any insider stock sales?

The Form 4 reports no stock sales. It shows an exercise of 56,023 restricted stock units into common shares and a separate grant of 6,950 new restricted stock units, all with a transaction price per unit or share reported as $0.00.

How were previously granted restricted stock units at TeraWulf (WULF) treated in this filing?

Previously granted restricted stock units vested on the first anniversary of June 23, 2025 and were exercised into 56,023 common shares. Following this exercise, the Form 4 shows zero remaining balance for that specific restricted stock unit award.

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Form 4 Insider Transactions: What Each Field Means →

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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^*

Prager Lisa A.

(Last)

(First)

(Middle)

C/O TERAWULF INC.

9 FEDERAL STREET

(Street)

EASTON

MARYLAND

21601

(City)

(State)

(Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/23/2026

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

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

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

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common stock, $0.001 par value per share	06/23/2026		M		56,023	A	⁽¹⁾	310,497	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	⁽²⁾	06/23/2026		M			56,023	⁽³⁾	⁽³⁾	Common stock, $0.001 par value per share	56,023	$0	0	D
Restricted Stock Units	⁽²⁾	06/23/2026		A		6,950		⁽⁴⁾	⁽⁴⁾	Common stock, $0.001 par value per share	6,950	$0	6,950	D

Explanation of Responses:

1. The Reporting Person received restricted stock units which vested upon the first anniversary of June 23, 2025, as reported in this Form 4, subject to the Reporting Person's continued employment or service with the Issuer through such date.

2. Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock, $0.001 par value per share.

3. The restricted stock units vested upon the first anniversary of June 23, 2025, subject to the Reporting Person's continued employment or service with the Issuer through such date.

4. The restricted stock units will vest upon the first anniversary of June 23, 2026, subject to the Reporting Person's continued employment or service with the Issuer through such date.

Remarks:

	/s/ Stefanie C. Fleischmann, as attorney-in-fact for Lisa A. Prager	06/25/2026
	** 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.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR